summaryrefslogtreecommitdiffstats
path: root/drivers/mfd
Commit message (Collapse)AuthorAgeFilesLines
* Merge tag 'tty-6.8-rc1' of ↵Linus Torvalds2024-01-181-5/+5
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty / serial updates from Greg KH: "Here is the big set of tty and serial driver changes for 6.8-rc1. As usual, Jiri has a bunch of refactoring and cleanups for the tty core and drivers in here, along with the usual set of rs485 updates (someday this might work properly...) Along with those, in here are changes for: - sc16is7xx serial driver updates - platform driver removal api updates - amba-pl011 driver updates - tty driver binding updates - other small tty/serial driver updates and changes All of these have been in linux-next for a while with no reported issues" * tag 'tty-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (197 commits) serial: sc16is7xx: refactor EFR lock serial: sc16is7xx: reorder code to remove prototype declarations serial: sc16is7xx: refactor FIFO access functions to increase commonality serial: sc16is7xx: drop unneeded MODULE_ALIAS serial: sc16is7xx: replace hardcoded divisor value with BIT() macro serial: sc16is7xx: add explicit return for some switch default cases serial: sc16is7xx: add macro for max number of UART ports serial: sc16is7xx: add driver name to struct uart_driver serial: sc16is7xx: use i2c_get_match_data() serial: sc16is7xx: use spi_get_device_match_data() serial: sc16is7xx: use DECLARE_BITMAP for sc16is7xx_lines bitfield serial: sc16is7xx: improve do/while loop in sc16is7xx_irq() serial: sc16is7xx: remove obsolete loop in sc16is7xx_port_irq() serial: sc16is7xx: set safe default SPI clock frequency serial: sc16is7xx: add check for unsupported SPI modes during probe serial: sc16is7xx: fix invalid sc16is7xx_lines bitfield in case of probe error serial: 8250_exar: Set missing rs485_supported flag serial: omap: do not override settings for RS485 support serial: core, imx: do not set RS485 enabled if it is not supported serial: core: make sure RS485 cannot be enabled when it is not supported ...
| * tty: serdev: convert to u8 and size_tJiri Slaby (SUSE)2023-12-081-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Switch character types to u8 and sizes to size_t. To conform to characters/sizes in the rest of the tty layer. This patch converts struct serdev_device_ops hooks and its instantiations. Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org> Cc: Rob Herring <robh@kernel.org> Acked-by: Johan Hovold <johan@kernel.org> Link: https://lore.kernel.org/r/20231206073712.17776-24-jirislaby@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | Merge tag 'mfd-next-6.8' of ↵Linus Torvalds2024-01-1730-224/+168
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull mfd updates from Lee Jones: "New Device Support: - Add support for Qualcomm PM8937 PMIC to QCOM SPMI PMIC Fix-ups: - Use/convert to new/better APIs/helpers/MACROs instead of hand-rolling implementations - Device Tree binding adaptions/conversions/creation - Improve error handling; return proper error values, simplify, avoid duplicates, etc - Continue work to remove superfluous platform .remove() call-backs - Move some exported symbols into private namespaces - Clean-up and staticify PM related operations - Trivial; spelling, whitespace, clean-ups, etc - Fix include lists; alphabetise, remove unused, explicitly add used Bug Fixes: - Use PLATFORM_DEVID_AUTO to ensure multiple duplicate devices can co-exist - Ensure debugfs register view is correctly presented - Fix ordering and value issues in current use of clk_register_fractional_divider() - Repair Kconfig based dependency lists" * tag 'mfd-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (50 commits) mfd: ti_am335x_tscadc: Fix TI SoC dependencies dt-bindings: mfd: sprd: Add support for UMS9620 mfd: ab8500-sysctrl: Drop ancient charger mfd: intel-lpss: Fix the fractional clock divider flags mfd: tps6594: Add null pointer check to tps6594_device_init() dt-bindings: mfd: pm8008: Clean up example node names dt-bindings: mfd: hisilicon,hi6421-spmi-pmic: Clean up example dt-bindings: mfd: hisilicon,hi6421-spmi-pmic: Fix regulator binding dt-bindings: mfd: hisilicon,hi6421-spmi-pmic: Fix up binding reference mfd: da9062: Simplify obtaining I2C match data mfd: syscon: Fix null pointer dereference in of_syscon_register() mfd: intel-lpss: Don't fail probe on success of pci_alloc_irq_vectors() mfd: twl6030-irq: Revert to use of_match_device() mfd: cs42l43: Correct order of include files to be alphabetical mfd: cs42l43: Correct SoundWire port list mfd: Fix a few spelling mistakes in PMIC header file comments mfd: intel-lpss: Provide Intel LPSS PM ops structure mfd: intel-lpss: Move exported symbols to INTEL_LPSS namespace mfd: intel-lpss: Adjust header inclusions mfd: intel-lpss: Use device_get_match_data() ...
| * | mfd: ti_am335x_tscadc: Fix TI SoC dependenciesPeter Robinson2024-01-101-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | The ti_am335x_tscadc is specific to some TI SoCs, update the dependencies for those SoCs and compile testing. Signed-off-by: Peter Robinson <pbrobinson@gmail.com> Link: https://lore.kernel.org/r/20231220155643.445849-1-pbrobinson@gmail.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: ab8500-sysctrl: Drop ancient chargerLinus Walleij2024-01-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The sysctrl driver was looking for an instance of the PM2301 charger but this has been deleted from the kernel and is not used with the U8500 systems any more. Drop the string. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20231214-ab8500-sysctrl-oneliner-v1-1-fd78a15c0b2f@linaro.org Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: intel-lpss: Fix the fractional clock divider flagsAndy Shevchenko2023-12-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The conversion to CLK_FRAC_DIVIDER_POWER_OF_TWO_PS uses wrong flags in the parameters and hence miscalculates the values in the clock divider. Fix this by applying the flag to the proper parameter. Fixes: 82f53f9ee577 ("clk: fractional-divider: Introduce POWER_OF_TWO_PS flag") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reported-by: Alex Vinarskis <alex.vinarskis@gmail.com> Link: https://lore.kernel.org/r/20231211111441.3910083-1-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: tps6594: Add null pointer check to tps6594_device_init()Kunwu Chan2023-12-131-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Fixes: 325bec7157b3 ("mfd: tps6594: Add driver for TI TPS6594 PMIC") Suggested-by: Lee Jones <lee@kernel.org> Signed-off-by: Kunwu Chan <chentao@kylinos.cn> Link: https://lore.kernel.org/r/20231208033320.49345-1-chentao@kylinos.cn Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: da9062: Simplify obtaining I2C match dataBiju Das2023-12-071-13/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Simplify probe() by replacing of_device_get_match_data() and ID lookup for retrieving match data by i2c_get_match_data(). Some minor cleanups: * Remove the trailing comma in the terminator entry for the ID table making code robust against (theoretical) misrebases or other similar things where the new entry goes _after_ the termination without the compiler noticing. * Move OF table near to the user. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20231204124507.124758-1-biju.das.jz@bp.renesas.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: syscon: Fix null pointer dereference in of_syscon_register()Kunwu Chan2023-12-071-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Fixes: e15d7f2b81d2 ("mfd: syscon: Use a unique name with regmap_config") Signed-off-by: Kunwu Chan <chentao@kylinos.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20231204092443.2462115-1-chentao@kylinos.cn Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: intel-lpss: Don't fail probe on success of pci_alloc_irq_vectors()Andy Shevchenko2023-12-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The pci_alloc_irq_vectors() returns a positive number on success. Hence we have to filter the negative numbers for error condition. Update the check accordingly. Fixes: e6951fb78787 ("mfd: intel-lpss: Use PCI APIs instead of dereferencing") Reported-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20231130143206.1475831-1-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: twl6030-irq: Revert to use of_match_device()Peter Ujfalusi2023-12-071-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The core twl chip is probed via i2c and the dev->driver->of_match_table is NULL, causing the driver to fail to probe. This partially reverts: commit 1e0c866887f4 ("mfd: Use device_get_match_data() in a bunch of drivers") Fixes: 1e0c866887f4 ("mfd: Use device_get_match_data() in a bunch of drivers") Signed-off-by: Peter Ujfalusi <peter.ujfalusi@gmail.com> Link: https://lore.kernel.org/r/20231029114843.15553-1-peter.ujfalusi@gmail.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: cs42l43: Correct order of include files to be alphabeticalCharles Keepax2023-12-071-1/+1
| | | | | | | | | | | | | | | | | | Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20231130115712.669180-2-ckeepax@opensource.cirrus.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: cs42l43: Correct SoundWire port listCharles Keepax2023-12-071-46/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Two ports are missing from the port list, and the wrong port is set to 4 channels. Also the attempt to list them by function is rather misguided, there is nothing in the hardware that fixes a particular port to one function. Factor out the port properties to an actual struct, fixing the missing ports and correcting the port set to 4 channels. Fixes: ace6d1448138 ("mfd: cs42l43: Add support for cs42l43 core driver") Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20231130115712.669180-1-ckeepax@opensource.cirrus.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: intel-lpss: Provide Intel LPSS PM ops structureAndy Shevchenko2023-12-074-41/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With the help of EXPORT_NS_GPL_DEV_PM_OPS() and other *_PM_OPS() macros we may convert PM ops functions to become static. This also takes into account the PM configuration options such as CONFIG_PM and CONFIG_PM_SLEEP. This all removes a lot of ugly macros and ifdeffery in the driver. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20231124200258.3682979-6-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: intel-lpss: Move exported symbols to INTEL_LPSS namespaceAndy Shevchenko2023-12-073-5/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Avoid unnecessary pollution of the global symbol namespace by moving library functions in to a specific namespace and import that into the drivers that make use of the functions. For more info: https://lwn.net/Articles/760045/ Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20231124200258.3682979-5-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: intel-lpss: Adjust header inclusionsAndy Shevchenko2023-12-073-8/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | Adjust header inclusions to avoid "proxy" headers and explicitly include what we are using. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20231124200258.3682979-4-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: intel-lpss: Use device_get_match_data()Andy Shevchenko2023-12-072-8/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use preferred device_get_match_data() instead of acpi_match_device() to get the driver match data. With this, adjust the includes to explicitly include the correct headers. Introduce a temporary variable in PCI glue driver to be consistent with ACPI one on the same matter. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20231124200258.3682979-3-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: intel-lpss: Revert "Add missing check for platform_get_resource"Andy Shevchenko2023-12-072-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit d918e0d5824495a75d00b879118b098fcab36fdb. The commit in question does not fix anything and only introduces a duplication in the code. The main intel_lpss_probe() performs all necessary checks. While at it and in order of avoiding similar patches to come, add a comment. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20231124200258.3682979-2-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: qcom-spmi-pmic: Add support for PM8937Dang Huynh2023-12-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add the subtype and compatible strings for PM8937. The PM8937 is found in various SoCs, including MSM8917, MSM8937, MSM8940 and APQ variants. Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org> Signed-off-by: Dang Huynh <danct12@riseup.net> Link: https://lore.kernel.org/r/20231121-pm8937-v2-1-b0171ab62075@riseup.net Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: twl4030-audio: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-19-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: tps65911-comparator: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-18-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: ti_am335x_tscadc: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-17-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: stm32-timers: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-16-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: sm501: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-15-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: qcom-pm8xxx: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-14-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: pcf50633-adc: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-13-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: omap-usb-tll: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-12-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: omap-usb-host: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-11-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: mxs-lradc: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-10-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: mcp-sa11x0: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-9-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: kempld-core: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-8-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: intel-lpss-acpi: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-7-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: hi655x-pmic: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-6-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: fsl-imx25-tsadc: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-5-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: exynos-lpass: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-4-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: cros_ec_dev: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-3-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: ab8500-sysctrl: Convert to platform remove callback returning voidUwe Kleine-König2023-12-071-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-2-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: tps65086: Enable register view in debugfsAndre Werner2023-12-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously there was no output for the regmap's registers in debugfs due to missing "max_register" property in regmap configuration. Signed-off-by: Andre Werner <andre.werner@systec-electronic.com> Link: https://lore.kernel.org/r/20231121063259.13991-1-andre.werner@systec-electronic.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: rk8xx: fixup devices registration with PLATFORM_DEVID_AUTONeil Armstrong2023-12-071-21/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 210f418f8ace ("mfd: rk8xx: Add rk806 support"), devices are registered with "0" as id, causing devices to not have an automatic device id and prevents having multiple RK8xx PMICs on the same system. Properly pass PLATFORM_DEVID_AUTO to devm_mfd_add_devices() and since it will ignore the cells .id with this special value, also cleanup by removing all now ignored cells .id values. Now we have the same behaviour as before rk806 introduction and rk806 retains the intended behavior. This fixes a regression while booting the Odroid Go Ultra on v6.6.1: sysfs: cannot create duplicate filename '/bus/platform/devices/rk808-clkout' CPU: 3 PID: 97 Comm: kworker/u12:2 Not tainted 6.6.1 #1 Hardware name: Hardkernel ODROID-GO-Ultra (DT) Workqueue: events_unbound deferred_probe_work_func Call trace: dump_backtrace+0x9c/0x11c show_stack+0x18/0x24 dump_stack_lvl+0x78/0xc4 dump_stack+0x18/0x24 sysfs_warn_dup+0x64/0x80 sysfs_do_create_link_sd+0xf0/0xf8 sysfs_create_link+0x20/0x40 bus_add_device+0x114/0x160 device_add+0x3f0/0x7cc platform_device_add+0x180/0x270 mfd_add_device+0x390/0x4a8 devm_mfd_add_devices+0xb0/0x150 rk8xx_probe+0x26c/0x410 rk8xx_i2c_probe+0x64/0x98 i2c_device_probe+0x104/0x2e8 really_probe+0x184/0x3c8 __driver_probe_device+0x7c/0x16c driver_probe_device+0x3c/0x10c __device_attach_driver+0xbc/0x158 bus_for_each_drv+0x80/0xdc __device_attach+0x9c/0x1ac device_initial_probe+0x14/0x20 bus_probe_device+0xac/0xb0 deferred_probe_work_func+0xa0/0xf4 process_one_work+0x1bc/0x378 worker_thread+0x1dc/0x3d4 kthread+0x104/0x118 ret_from_fork+0x10/0x20 rk8xx-i2c 0-001c: error -EEXIST: failed to add MFD devices rk8xx-i2c: probe of 0-001c failed with error -17 Fixes: 210f418f8ace ("mfd: rk8xx: Add rk806 support") Reported-by: Adam Green <greena88@gmail.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20231116-topic-amlogic-upstream-fix-rk8xx-devid-auto-v2-1-3f1bad68ab9d@linaro.org Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: intel-lpss: Return error code received from the IRQ APIChen Ni2023-12-071-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | platform_get_irq() returns a negative error code to indicate an error. As does pci_alloc_irq_vectors() and pci_irq_vector(). So in intel_lpss_probe() the erroneous IRQ would be better returned as is. The pci_alloc_irq_vectors() call and platform_get_irq() guarantee that IRQs will not be 0, so we'll drop that check as well. Signed-off-by: Chen Ni <nichen@iscas.ac.cn> [andy: updated commit message] Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20231106184052.1166579-3-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: intel-lpss: Use PCI APIs instead of dereferencingAndy Shevchenko2023-12-071-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | We have a few PCI APIs that may be used instead of direct dereferencing, Using them will also provide better error codes. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20231106184052.1166579-2-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones <lee@kernel.org>
| * | mfd: intel-lpss: Remove usage of the deprecated ida_simple_xx() APIChristophe JAILLET2023-12-071-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ida_alloc() and ida_free() should be preferred to the deprecated ida_simple_get() and ida_simple_remove(). This is less verbose. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/a63f3da5745187f5a9b1e2ec0492f2fe2e0b0b8d.1698854117.git.christophe.jaillet@wanadoo.fr Signed-off-by: Lee Jones <lee@kernel.org>
* | | Merge tag 'spi-v6.8' of ↵Linus Torvalds2024-01-091-1/+1
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi updates from Mark Brown: "A moderately busy release for SPI, the main core update was the merging of support for multiple chip selects, used in some flash configurations. There were also big overhauls for the AXI SPI Engine and PL022 drivers, plus some new device support for ST. There's a few patches for other trees, API updates to allow the multiple chip select support and one of the naming modernisations touched a controller embedded in the USB code. - Support for multiple chip selects. - A big overhaul for the AXI SPI engine driver, modernising it and adding a bunch of new features. - Modernisation of the PL022 driver, fixing some issues with submitting messages while in atomic context in the process. - Many drivers were converted to use new APIs which avoid outdated terminology for devices and controllers. - Support for ST Microelectronics STM32F7 and STM32MP25, and Renesas RZ/Five" * tag 'spi-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (83 commits) spi: stm32: add st,stm32mp25-spi compatible supporting STM32MP25 soc dt-bindings: spi: stm32: add st,stm32mp25-spi compatible spi: stm32: use dma_get_slave_caps prior to configuring dma channel spi: axi-spi-engine: fix struct member doc warnings spi: pl022: update description of internal_cs_control() spi: pl022: delete description of cur_msg spi: dw: Remove Intel Thunder Bay SOC support spi: dw: Remove Intel Thunder Bay SOC support spi: sh-msiof: Enforce fixed DTDL for R-Car H3 spi: ljca: switch to use devm_spi_alloc_host() spi: cs42l43: switch to use devm_spi_alloc_host() spi: zynqmp-gqspi: switch to use modern name spi: zynq-qspi: switch to use modern name spi: xtensa-xtfpga: switch to use modern name spi: xlp: switch to use modern name spi: xilinx: switch to use modern name spi: xcomm: switch to use modern name spi: uniphier: switch to use modern name spi: topcliff-pch: switch to use modern name spi: wpcm-fiu: switch to use devm_spi_alloc_host() ...
| * | mfd: tps6594: Use spi_get_chipselect() API to access spi->chip_selectAmit Kumar Mahapatra2023-12-071-1/+1
| |/ | | | | | | | | | | | | | | | | | | | | | | In preparation for adding multiple CS support for a device, set/get functions were introduces accessing spi->chip_select in 'commit 303feb3cc06a ("spi: Add APIs in spi core to set/get spi->chip_select and spi->cs_gpiod")'. Replace spi->chip_select with spi_get_chipselect() API. Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@amd.com> Link: https://lore.kernel.org/r/20231125092137.2948-2-amit.kumar-mahapatra@amd.com Signed-off-by: Lee Jones <lee@kernel.org>
* / lib: crc_ccitt_false() is identical to crc_itu_t()Mathis Marion2023-12-292-3/+3
|/ | | | | | | | | | | | | crc_ccitt_false() was introduced in commit 0d85adb5fbd33 ("lib/crc-ccitt: Add CCITT-FALSE CRC16 variant"), but it is redundant with crc_itu_t(). Since the latter is more used, it is the one being kept. Link: https://lkml.kernel.org/r/20231219131154.748577-1-Mathis.Marion@silabs.com Signed-off-by: Mathis Marion <mathis.marion@silabs.com> Cc: Andrey Smirnov <andrew.smirnov@gmail.com> Cc: Andrey Vostrikov <andrey.vostrikov@cogentembedded.com> Cc: Jérôme Pouiller <jerome.pouiller@silabs.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* Merge tag 'mfd-next-6.7' of ↵Linus Torvalds2023-11-0244-333/+436
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull MFD updates from Lee Jones: "Core Frameworks: - Allow all MFD Cell properties to be filled in dynamically at runtime - Skip disabled device nodes and continue to look for subsequent devices New Device Support: - Add support for Lunar Lake-M PCI to Intel LPSS PCI - Add support for Denverton to Intel ICH LPC New Functionality: - Add support for Clocks to Texas Instruments TWL* Core - Add support for Interrupts to STMicroelectronics STM32 Timers Fix-ups: - Convert to new devm-* (managed) power-off API - Remove superfluous code - Bunch of Device Tree additions, conversions and adaptions - Simplify obtaining resources (memory, device data) using unified API helpers - Trivial coding-style / spelling type clean-ups - Constify / staticify changes - Expand or edit on existing documentation - Convert some Regmap configurations to use the Maple Tree cache - Apply new __counted_by() annotation to several data structures containing flexible arrays - Replace strncpy() with strscpy() Bug Fixes: - Remove double put creating reference imbalances - Ensure headphone/lineout detection gets set when booting with ACPI" * tag 'mfd-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (73 commits) mfd: lpc_ich: Mark *_gpio_offsets data with const spmi: rename spmi device lookup helper spmi: document spmi_device_from_of() refcounting dt-bindings: mfd: armltd: Move Arm board syscon's to separate schema mfd: rk8xx: Add support for RK806 power off mfd: rk8xx: Add support for standard system-power-controller property dt-bindings: mfd: rk806: Allow system-power-controller property dt-bindings: mfd: rk8xx: Deprecate rockchip,system-power-controller dt-bindings: mfd: max8925: Convert to DT schema format mfd: Use i2c_get_match_data() in a selection of drivers mfd: Use device_get_match_data() in a bunch of drivers mfd: mc13xxx-spi/wm831x-spi: Use spi_get_device_match_data() mfd: motorola-cpcap: Drop unnecessary of_match_device() call mfd: arizona-spi: Set pdata.hpdet_channel for ACPI enumerated devs mfd: qcom-spmi-pmic: Switch to EXPORT_SYMBOL_GPL() mfd: qcom-spmi-pmic: Fix revid implementation mfd: qcom-spmi-pmic: Fix reference leaks in revid helper mfd: intel-m10-bmc: Change contact for ABI docs mfd: max8907: Convert to use maple tree register cache mfd: max77686: Convert to use maple tree register cache ...
| * mfd: lpc_ich: Mark *_gpio_offsets data with constAndy Shevchenko2023-11-011-3/+3
| | | | | | | | | | | | | | | | | | | | There is no reason why the GPIO resource offsets should not be const. Mark them accordingly and update a qualifier in struct lpc_ich_gpio_info definition. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20231024160650.3898959-1-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones <lee@kernel.org>
| * spmi: rename spmi device lookup helperJohan Hovold2023-11-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Rename the SPMI device helper which is used to lookup a device from its OF node as spmi_find_device_by_of_node() so that it reflects the implementation and matches how other helpers like this are named. This will specifically make it more clear that this is a lookup function which returns a reference counted structure. Signed-off-by: Johan Hovold <johan+linaro@kernel.org> Acked-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20231003152927.15000-6-johan+linaro@kernel.org Signed-off-by: Lee Jones <lee@kernel.org>
| * mfd: rk8xx: Add support for RK806 power offOndrej Jirman2023-11-011-0/+4
| | | | | | | | | | | | | | | | | | | | Use DEV_OFF bit to power off the RK806 PMIC, when system-power-controller is used in DTS. Signed-off-by: Ondrej Jirman <megi@xff.cz> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20231019165732.3818789-5-megi@xff.cz Signed-off-by: Lee Jones <lee@kernel.org>
| * mfd: rk8xx: Add support for standard system-power-controller propertyOndrej Jirman2023-11-011-1/+2
| | | | | | | | | | | | | | | | | | DT property rockchip,system-power-controller is now deprecated. Signed-off-by: Ondrej Jirman <megi@xff.cz> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20231019165732.3818789-4-megi@xff.cz Signed-off-by: Lee Jones <lee@kernel.org>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 23:41:52 +0000