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path: root/drivers/mfd/pm8921-core.c
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* genirq: Remove irq argument from irq flow handlersThomas Gleixner2015-09-161-1/+1
| | | | | | | | | | | | | | Most interrupt flow handlers do not use the irq argument. Those few which use it can retrieve the irq number from the irq descriptor. Remove the argument. Search and replace was done with coccinelle and some extra helper scripts around it. Thanks to Julia for her help! Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Jiang Liu <jiang.liu@linux.intel.com>
* mfd: pm8921: Consolidate chained IRQ handler install/removeThomas Gleixner2015-08-111-6/+3
| | | | | | | | | | Chained irq handlers usually set up handler data as well. We now have a function to set both under irq_desc->lock. Replace the two calls with one. Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: Kill off set_irq_flags usageRob Herring2015-08-111-4/+1
| | | | | | | | | | | | | | | | | | | | | set_irq_flags is ARM specific with custom flags which have genirq equivalents. Convert drivers to use the genirq interfaces directly, so we can kill off set_irq_flags. The translation of flags is as follows: IRQF_VALID -> !IRQ_NOREQUEST IRQF_PROBE -> !IRQ_NOPROBE IRQF_NOAUTOEN -> IRQ_NOAUTOEN For IRQs managed by an irqdomain, the irqdomain core code handles clearing and setting IRQ_NOREQUEST already, so there is no need to do this in .map() functions and we can simply remove the set_irq_flags calls. Some users also modify IRQ_NOPROBE and this has been maintained although it is not clear that is really needed. There appears to be a great deal of blind copy and paste of this code. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: pm8921: Implement irq_get_irqchip_stateBjorn Andersson2015-08-111-0/+38
| | | | | | | | | | Implement irq_chip->irq_get_irqchip_state to make it possible for PMIC block drivers to access the IRQ real time status bits. The status bits are used for various kinds of input signals, e.g. GPIO. Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: drop owner assignment from platform_driversWolfram Sang2014-10-201-1/+0
| | | | | | | A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
* mfd: pm8921-core: Remove unused variableSachin Kamat2014-07-091-4/+0
| | | | | | | ‘irq_bit’ is unused in the function. Remove it. Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: pm8921: Remove pm8xxx API now that sub-devices use regmapStephen Boyd2014-06-031-121/+2
| | | | | | | | The pm8xxx read/write wrappers are no longer necessary now that all the sub-device drivers are using the regmap API. Remove it. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: pm8921: Fixup probe() error path when irq invalidJosh Cartwright2014-03-191-2/+1
| | | | | | | | | platform_get_irq() returns a negative error code when an IRQ is invalid or unspecified. Make 'irq' signed to properly handle this. Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Josh Cartwright <joshc@codeaurora.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: pm8921: Use IRQCHIP_SKIP_SET_WAKEStephen Boyd2014-03-191-7/+1
| | | | | | | | | We don't need to implement a dummy irq_set_wake op if we just set IRQCHIP_SKIP_SET_WAKE. Suggested-by: Josh Cartwright <joshc@codeaurora.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: pm8921: Drop irq_set_lockdep_class() codeStephen Boyd2014-03-191-3/+0
| | | | | | | | This isn't necessary as we aren't setting the summary interrupt to wake up the system in the irq_wake() callback. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: pm8921: Add DT match tableStephen Boyd2014-03-191-0/+8
| | | | | | | Allow this driver to probe based on devicetree. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: pm8921: Use ssbi regmapStephen Boyd2014-03-191-28/+38
| | | | | | | | | Use a regmap so that the pm8xxx read/write APIs can be removed once all consumer drivers are converted. Reviewed-by: Mark Brown <broonie@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: pm8921: Migrate to irqdomainsStephen Boyd2014-03-191-123/+75
| | | | | | | | Convert this driver to use irqdomains so that the PMIC's child devices can be converted to devicetree. Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
* mfd: pm8921: Update for genirq changesStephen Boyd2014-03-191-2/+5
| | | | | | | | | | | | | Since this code has been marked broken for some time a few genirq tree wide changes weren't made. set_irq_wake() was renamed to irq_set_irq_wake() in commit a0cd9ca2b (genirq: Namespace cleanup, 2011-02-10) and commit 10a8c383 (irq: introduce entry and exit functions for chained handlers) introduced the chained irq functions but this driver wasn't updated to use them. Fix these problems and remove the BROKEN marking on this driver. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: pm8xxx: Move pm8xxx-irq.c contents into only driver that uses itStephen Boyd2014-03-191-0/+348
| | | | | | | | | | | | | | | | | The pm8xxx-irq.c code is practically mandatory given that the pm8921-core driver will WARN about it missing and the Kconfig marks it as default y when a PM8xxx chips is enabled. The only reason the file was split out was because we planned to support other pm8xxx chips with different pm8xxx-core.c files. Now that we have DT on ARM this isn't necessary because we should be able to support all the ssbi based PM8xxx chips in one driver and one file with no data bloat. Let's move this code into the only driver that uses it right now (pm8921) so that it's always compiled when needed. In the future we can rename pm8921-core.c to something more generic. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: pm8921: Potential NULL dereference in pm8921_remove()Dan Carpenter2013-11-111-4/+5
| | | | | | | | | | We assume that "pmic" could be NULL and then dereference it two lines later. I fix this by moving the dereference inside the NULL check. Fixes: c013f0a56c56 ('mfd: Add pm8xxx irq support') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: pm8921: Use devm_*() functionsJingoo Han2013-08-201-6/+3
| | | | | | | Use devm_*() functions to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: pm8921: Remove unnecessary platform_set_drvdata()Jingoo Han2013-08-201-2/+0
| | | | | | | | | | The driver core clears the driver data to NULL after device_release or on probe failure, since commit 0998d0631001288a5974afc0b2a5f568bcdecb4d (device-core: Ensure drvdata = NULL when no driver is bound). Thus, it is not needed to manually clear the device driver data to NULL. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: pm8921: Include missing linux/module.hJingoo Han2013-08-201-0/+1
| | | | | | | | | | | | Include <linux/module.h> in order to fix the following errors. drivers/mfd/pm8921-core.c:209:16: error: expected declaration specifiers or '...' before string constant drivers/mfd/pm8921-core.c:210:20: error: expected declaration specifiers or '...' before string constant drivers/mfd/pm8921-core.c:211:16: error: expected declaration specifiers or '...' before string constant drivers/mfd/pm8921-core.c:212:14: error: expected declaration specifiers or '...' before string constant Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* mfd: Use dev_get_platdata()Jingoo Han2013-07-311-1/+1
| | | | | | | | Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* SSBI: Remove MSM_ prefix from SSBI driversDavid Brown2013-03-251-7/+7
| | | | | | | | | | Although the SSBI sub is currently only used on MSM SoCs, it is still a bus in its own right. Remove this msm_ prefix from the driver and it's symbols. Clients can now refer directly to ssbi_write() and ssbi_read(). Signed-off-by: David Brown <davidb@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* mfd: remove use of __devexitBill Pemberton2012-11-281-1/+1
| | | | | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option so __devexit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Cc: Peter Tyser <ptyser@xes-inc.com> Cc: Daniel Walker <dwalker@fifo99.com> Cc: Bryan Huntsman <bryanh@codeaurora.org> Acked-by: David Brown <davidb@codeaurora.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* mfd: remove use of __devinitBill Pemberton2012-11-281-2/+2
| | | | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option so __devinit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Cc: Peter Tyser <ptyser@xes-inc.com> Cc: Daniel Walker <dwalker@fifo99.com> Cc: Bryan Huntsman <bryanh@codeaurora.org> Acked-by: David Brown <davidb@codeaurora.org> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* mfd: remove use of __devexit_pBill Pemberton2012-11-281-1/+1
| | | | | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Cc: Peter Tyser <ptyser@xes-inc.com> Cc: Daniel Walker <dwalker@fifo99.com> Cc: Bryan Huntsman <bryanh@codeaurora.org> Acked-by: David Brown <davidb@codeaurora.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* mfd: Add pm8xxx irq supportAbhijeet Dharmapurikar2011-05-261-0/+54
| | | | | | | | | | | | Add support for the irq controller in Qualcomm 8xxx pmic. The 8xxx interrupt controller provides control for gpio and mpp configured as interrupts in addition to other subdevice interrupts. The interrupt controller also provides a way to read the real time status of an interrupt. This real time status is the only way one can get the input values of gpio and mpp lines. Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Add Qualcomm PMIC 8921 core driverAbhijeet Dharmapurikar2011-05-261-0/+158
Add support for the Qualcomm PM8921 PMIC chip. The core driver will communicate with the PMIC chip via the MSM SSBI bus. Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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