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* ata: Switch back to struct platform_driver::remove()Uwe Kleine-König2024-10-171-1/+1
| | | | | | | | | | | | | | | | | | | After commit 0edb555a65d1 ("platform: Make platform_driver::remove() return void") .remove() is (again) the right callback to implement for platform drivers. Convert all platform drivers below drivers/ata/ to use .remove(), with the eventual goal to drop struct platform_driver::remove_new(). As .remove() and .remove_new() have the same prototypes, conversion is done by just changing the structure member name in the driver initializer. While touching these files, make indention of the struct initializer consistent in several files. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Link: https://lore.kernel.org/r/20241016141609.27329-2-u.kleine-koenig@baylibre.com Signed-off-by: Niklas Cassel <cassel@kernel.org>
* ata: Explicitly include correct DT includesRob Herring2023-08-021-1/+1
| | | | | | | | | | | | | | The DT of_device.h and of_platform.h date back to the separate of_platform_bus_type before it as merged into the regular platform bus. As part of that merge prepping Arm DT support 13 years ago, they "temporarily" include each other. They also include platform_device.h and of.h. As a result, there's a pretty much random mix of those include files used throughout the tree. In order to detangle these headers and replace the implicit includes with struct declarations, users need to explicitly include the correct includes. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
* ata: libata: Make ata_platform_remove_one return voidUwe Kleine-König2023-05-151-1/+1
| | | | | | | | | | | | | | | The function returned zero unconditionally, so the function returning an int is something between useless and irritating. With the goal to make platform drivers' remove function return void, it's helpful to convert the function accordingly. This converts several drivers to the new .remove_new callback that was introduced to smoothen the platform driver conversion. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> Acked-by: Serge Semin <fancer.lancer@gmail.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
* scsi: ata: Declare SCSI host templates constBart Van Assche2023-03-241-1/+1
| | | | | | | | | | | | | | | | | | Make it explicit that ATA host templates are not modified. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Reviewed-by: Serge Semin <fancer.lancer@gmail.com> (for DWC AHCI SATA) Reviewed-by: John Garry <john.g.garry@oracle.com> Reviewed-by: Jon Hunter <jonathanh@nvidia.com> (for Tegra) Cc: Christoph Hellwig <hch@lst.de> Cc: Ming Lei <ming.lei@redhat.com> Cc: Hannes Reinecke <hare@suse.de> Cc: John Garry <john.g.garry@oracle.com> Cc: Mike Christie <michael.christie@oracle.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20230322195515.1267197-5-bvanassche@acm.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* Merge tag 'char-misc-5.18-rc1' of ↵Linus Torvalds2022-03-281-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc and other driver updates from Greg KH: "Here is the big set of char/misc and other small driver subsystem updates for 5.18-rc1. Included in here are merges from driver subsystems which contain: - iio driver updates and new drivers - fsi driver updates - fpga driver updates - habanalabs driver updates and support for new hardware - soundwire driver updates and new drivers - phy driver updates and new drivers - coresight driver updates - icc driver updates Individual changes include: - mei driver updates - interconnect driver updates - new PECI driver subsystem added - vmci driver updates - lots of tiny misc/char driver updates All of these have been in linux-next for a while with no reported problems" * tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (556 commits) firmware: google: Properly state IOMEM dependency kgdbts: fix return value of __setup handler firmware: sysfb: fix platform-device leak in error path firmware: stratix10-svc: add missing callback parameter on RSU arm64: dts: qcom: add non-secure domain property to fastrpc nodes misc: fastrpc: Add dma handle implementation misc: fastrpc: Add fdlist implementation misc: fastrpc: Add helper function to get list and page misc: fastrpc: Add support to secure memory map dt-bindings: misc: add fastrpc domain vmid property misc: fastrpc: check before loading process to the DSP misc: fastrpc: add secure domain support dt-bindings: misc: add property to support non-secure DSP misc: fastrpc: Add support to get DSP capabilities misc: fastrpc: add support for FASTRPC_IOCTL_MEM_MAP/UNMAP misc: fastrpc: separate fastrpc device from channel context dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells dt-bindings: nvmem: make "reg" property optional nvmem: brcm_nvram: parse NVRAM content into NVMEM cells nvmem: dt-bindings: Fix the error of dt-bindings check ...
| * Revert "ata: ahci: mvebu: Make SATA PHY optional for Armada 3720"Pali Rohár2022-02-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 45aefe3d2251e4e229d7662052739f96ad1d08d9. Armada 3720 PHY driver (phy-mvebu-a3700-comphy.c) does not return -EOPNOTSUPP from phy_power_on() callback anymore. So remove AHCI_HFLAG_IGN_NOTSUPP_POWER_ON flag from Armada 3720 plat data. AHCI_HFLAG_IGN_NOTSUPP_POWER_ON is not used by any other ahci driver, so remove this flag completely. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Marek Behún <kabel@kernel.org> Acked-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Link: https://lore.kernel.org/r/20220203214444.1508-4-kabel@kernel.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
* | ata: Drop commas after OF match table sentinelsGeert Uytterhoeven2022-03-071-1/+1
|/ | | | | | | | | | | | | | | It does not make sense to have a comma after a sentinel, as any new elements must be added before the sentinel. Add comments to clarify the purpose of the empty elements. Rewrap entries to a single line to have a consistent style. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Acked-by: Florian Fainelli <f.fainelli@gmail.com> [ahci_brcm] Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
* ata: ahci: mvebu: Make SATA PHY optional for Armada 3720Pali Rohár2020-10-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Older ATF does not provide SMC call for SATA phy power on functionality and therefore initialization of ahci_mvebu is failing when older version of ATF is using. In this case phy_power_on() function returns -EOPNOTSUPP. This patch adds a new hflag AHCI_HFLAG_IGN_NOTSUPP_POWER_ON which cause that ahci_platform_enable_phys() would ignore -EOPNOTSUPP errors from phy_power_on() call. It fixes initialization of ahci_mvebu on Espressobin boards where is older Marvell's Arm Trusted Firmware without SMC call for SATA phy power. This is regression introduced in commit 8e18c8e58da64 ("arm64: dts: marvell: armada-3720-espressobin: declare SATA PHY property") where SATA phy was defined and therefore ahci_platform_enable_phys() on Espressobin started failing. Fixes: 8e18c8e58da64 ("arm64: dts: marvell: armada-3720-espressobin: declare SATA PHY property") Signed-off-by: Pali Rohár <pali@kernel.org> Tested-by: Tomasz Maciej Nowak <tmn505@gmail.com> Cc: <stable@vger.kernel.org> # 5.1+: ea17a0f153af: phy: marvell: comphy: Convert internal SMCC firmware return codes to errno Signed-off-by: Jens Axboe <axboe@kernel.dk>
* ata: ahci: mvebu: request PHY suspend/resume for Armada 3700Miquel Raynal2019-01-111-0/+3
| | | | | | | | | | A feature has been added in the libahci driver: the possibility to set a new flag in hpriv->flags to let the core handle PHY suspend/resume automatically. Make use of this feature to make suspend to RAM work with SATA drives on A3700. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* ata: ahci: mvebu: add Armada 3700 initialization needed for S2RAMMiquel Raynal2019-01-111-9/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | A3700 comphy initialization is done in the firmware (TF-A). Looking at the SATA PHY initialization routine, there is a comment about "vendor specific" registers. Two registers are mentioned. They are not initialized there in the firmware because they are AHCI related, while the firmware at this location does only PHY configuration. The solution to avoid doing such initialization is relying on U-Boot. While this work at boot time, U-Boot is definitely not going to run during a resume after suspending to RAM. Two possible solutions were considered: * Fixing the firmware. * Fixing the kernel driver. The first solution would take ages to propagate, while the second solution is easy to implement as the driver as been a little bit reworked to prepare for such platform configuration. Hence, this patch adds an Armada 3700 configuration function to set these two registers both at boot time (in the probe) and after a suspend (in the resume path). Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* ata: ahci: mvebu: do Armada 38x configuration only on relevant SoCsMiquel Raynal2019-01-111-17/+51
| | | | | | | | | | | | | | | | | | | | | | At the beginning, only Armada 38x SoCs where supported by the ahci_mvebu.c driver. Commit 15d3ce7b63bd ("ata: ahci_mvebu: add support for Armada 3700 variant") introduced Armada 3700 support. As opposed to Armada 38x SoCs, the 3700 variants do not have to configure mbus and the regret option. This patch took care of avoiding such configuration when not needed in the probe function, but failed to do the same in the resume path. While doing so looks harmless by experience, let's clean the driver logic and avoid doing this useless configuration with Armada 3700 SoCs. Because the logic is very similar between these two places, it has been decided to factorize this code and put it in a "Armada 38x configuration function". This function is part of a new (per-compatible) platform data structure, so that the addition of such configuration function for Armada 3700 will be eased. Fixes: 15d3ce7b63bd ("ata: ahci_mvebu: add support for Armada 3700 variant") Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* ata: ahci: mvebu: remove stale commentMiquel Raynal2019-01-111-5/+0
| | | | | | | | | | | | | | | | | | | | For Armada-38x (32-bit) SoCs, PM platform support has been added since: commit 32f9494c9dfd ("ARM: mvebu: prepare pm-board.c for the introduction of Armada 38x support") commit 3cbd6a6ca81c ("ARM: mvebu: Add standby support") For Armada 64-bit SoCs, like the A3700 also using this AHCI driver, PM platform support has always existed. There are even suspend/resume hooks in this driver since: commit d6ecf15814888 ("ata: ahci_mvebu: add suspend/resume support") Remove the stale comment at the end of this driver stating that all the above does not exist yet. Fixes: d6ecf15814888 ("ata: ahci_mvebu: add suspend/resume support") Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* Merge branch 'for-4.19' of ↵Linus Torvalds2018-08-241-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata updates from Tejun Heo: "Nothing too interesting. Mostly ahci and ahci_platform changes, many around power management" * 'for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (22 commits) ata: ahci_platform: enable to get and control reset ata: libahci_platform: add reset control support ata: add an extra argument to ahci_platform_get_resources() ata: sata_rcar: Add r8a77965 support ata: sata_rcar: exclude setting of PHY registers in Gen3 ata: sata_rcar: really mask all interrupts on Gen2 and later Revert "ata: ahci_platform: allow disabling of hotplug to save power" ata: libahci: Allow reconfigure of DEVSLP register ata: libahci: Correct setting of DEVSLP register ata: ahci: Enable DEVSLP by default on x86 with SLP_S0 ata: ahci: Support state with min power but Partial low power state Revert "ata: ahci_platform: convert kcalloc to devm_kcalloc" ata: sata_rcar: Add rudimentary Runtime PM support ata: sata_rcar: Provide a short-hand for &pdev->dev ata: Only output sg element mapped number in verbose debug ata: Guard ata_scsi_dump_cdb() by ATA_VERBOSE_DEBUG ata: ahci_platform: convert kcalloc to devm_kcalloc ata: ahci_platform: convert kzallloc to kcalloc ata: ahci_platform: correct parameter documentation for ahci_platform_shutdown libata: remove ata_sff_data_xfer_noirq() ...
| * ata: add an extra argument to ahci_platform_get_resources()Kunihiko Hayashi2018-08-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add an extra argument to ahci_platform_get_resources(), that is for the bitmap representing the resource to get in this function. Currently there is no resources to be defined, so all the callers set '0' to the argument. Suggested-by: Hans de Goede <hdegoede@redhat.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: Patrice Chotard <patrice.chotard@st.com> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* | ata: ahci_mvebu: ahci_mvebu_stop_engine() can be staticWei Yongjun2018-06-181-1/+1
|/ | | | | | | | | | Fixes the following sparse warning: drivers/ata/ahci_mvebu.c:85:5: warning: symbol 'ahci_mvebu_stop_engine' was not declared. Should it be static? Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: ahci: mvebu: override ahci_stop_engine for mvebu AHCIEvan Wang2018-04-261-0/+56
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is an issue(Errata Ref#226) that the SATA can not be detected via SATA Port-MultiPlayer(PMP) with following error log: ata1.15: PMP product ID mismatch ata1.15: SATA link up 6.0 Gbps (SStatus 133 SControl 300) ata1.15: Port Multiplier vendor mismatch '0x1b4b'!='0x0' ata1.15: PMP revalidation failed (errno=-19) After debugging, the reason is found that the value Port-x FIS-based Switching Control(PxFBS@0x40) become wrong. According to design, the bits[11:8, 0] of register PxFBS are cleared when Port Command and Status (0x18) bit[0] changes its value from 1 to 0, i.e. falling edge of Port Command and Status bit[0] sends PULSE that resets PxFBS bits[11:8; 0]. So it needs a mvebu SATA WA to save the port PxFBS register before PxCMD ST write and restore it afterwards. This patch implements the WA in a separate function of ahci_mvebu_stop_engine to override ahci_stop_gngine. Signed-off-by: Evan Wang <xswang@marvell.com> Cc: Ofer Heifetz <oferh@marvell.com> Cc: Tejun Heo <tj@kernel.org> Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: ahci_mvebu: add support for Armada 3700 variantLior Amsalem2016-02-181-5/+9
| | | | | | | | | | | | | The main difference in the new Armada 3700 is that no address decoding needs to take place in the driver probe. [gregory.clement@free-electrons.com: reformulate the commit log] Signed-off-by: Lior Amsalem <alior@marvell.com> Reviewed-by: Nadav Haklai <nadavh@marvell.com> Tested-by: Nadav Haklai <nadavh@marvell.com> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* sata/mvebu: use #ifdef around suspend/resume codeArnd Bergmann2015-11-201-0/+5
| | | | | | | | | | | | | | | | The newly added suspend/resume implementation for ahci_mvebu causes a link error when CONFIG_PM_SLEEP is disabled: ERROR: "ahci_platform_suspend_host" [drivers/ata/ahci_mvebu.ko] undefined! ERROR: "ahci_platform_resume_host" [drivers/ata/ahci_mvebu.ko] undefined! This adds the same #ifdef here that exists in the ahci_platform driver which defines the above functions. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: d6ecf1581488 ("ata: ahci_mvebu: add suspend/resume support") Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* Merge branch 'for-4.2' of ↵Linus Torvalds2015-06-251-0/+22
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata updates from Tejun Heo: - a number of libata core changes to better support NCQ TRIM. - ahci now supports MSI-X in single IRQ mode to support a new controller which doesn't implement MSI or INTX. - ahci now supports edge-triggered IRQ mode to support a new controller which for some odd reason did edge-triggered IRQ. - the usual controller support additions and changes. * 'for-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (27 commits) libata: Do not blacklist Micron M500DC ata: ahci_mvebu: add suspend/resume support ahci, msix: Fix build error for !PCI_MSI ahci: Add support for Cavium's ThunderX host controller ahci: Add generic MSI-X support for single interrupts to SATA PCI driver libata: finally use __initconst in ata_parse_force_one() drivers: ata: add support for Ceva sata host controller devicetree:bindings: add devicetree bindings for ceva ahci ahci: added support for Freescale AHCI sata ahci: Store irq number in struct ahci_host_priv ahci: Move interrupt enablement code to a separate function Doc: libata: Fix spelling typo found in libata.xml ata:sata_nv - Change 1 to true for bool type variable. ata: add Broadcom AHCI SATA3 driver for STB chips Documentation: devicetree: add Broadcom SATA binding libata: Fix regression when the NCQ Send and Receive log page is absent ata: hpt366: fix constant cast warning ata: ahci_xgene: potential NULL dereference in probe ata: ahci_xgene: Add AHCI Support for 2nd HW version of APM X-Gene SoC AHCI SATA Host controller. libahci: Add support to handle HOST_IRQ_STAT as edge trigger latch. ...
| * ata: ahci_mvebu: add suspend/resume supportThomas Petazzoni2015-06-171-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | This commit adds suspend/resume support to the ahci_mvebu driver. The suspend hook doesn't do anything special despite calling the generic ahci_platform_suspend_host() function. However, the resume hook has to restore the MBus windows configuration, as well as the regret option. Tested on Marvell Armada 388 GP. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* | ata: ahci_mvebu: Fix wrongly set base address for the MBus window settingNadav Haklai2015-05-261-1/+1
|/ | | | | | | | | | | | | | | | | | | | | | According to the Armada 38x datasheet, the window base address registers value is set in bits [31:4] of the register and corresponds to the transaction address bits [47:20]. Therefore, the 32bit base address value should be shifted right by 20bits and left by 4bits, resulting in 16 bit shift right. The bug as not been noticed yet because if the memory available on the platform is less than 2GB, then the base address is zero. [gregory.clement@free-electrons.com: add extra-explanation] Fixes: a3464ed2f14 (ata: ahci_mvebu: new driver for Marvell Armada 380 AHCI interfaces) Signed-off-by: Nadav Haklai <nadavh@marvell.com> Reviewed-by: Omri Itach <omrii@marvell.com> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Cc: <stable@vger.kernel.org> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: ahci_platform: fix owner module reference mismatch for scsi hostAkinobu Mita2015-01-281-2/+9
| | | | | | | | | | | | | | | | | | | The owner module reference of the ahci platform's scsi_host is initialized to libahci_platform's one, because these drivers use a scsi_host_template defined in libahci_platform. So these drivers can be unloaded even if the scsi device is being accessed. This fixes it by pushing the scsi_host_template from libahci_platform to all leaf drivers. The scsi_host_template is passed through a new argument of ahci_platform_init_host(). Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: "James E.J. Bottomley" <JBottomley@parallels.com> Cc: linux-ide@vger.kernel.org Cc: linux-scsi@vger.kernel.org
* ata: 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>
* ata: libahci_platform: move port_map parameters into the AHCI structureAntoine Ténart2014-07-301-2/+1
| | | | | | | | | | | | | | This patch moves force_port_map and mask_port_map into the ahci_host_priv structure. This allows to modify them into the AHCI framework. This is needed by the new dt bindings representing ports as the port_map mask is computed automatically. Parameters modifying force_port_map, mask_port_map and flags have been removed from the ahci_platform_init_host() function, and inputs in the ahci_host_priv structure are now directly filed. Signed-off-by: Antoine Ténart <antoine.tenart@free-electrons.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* libahci_platform: add host_flags parameter in ahci_platform_init_host()Kefeng Wang2014-05-141-1/+2
| | | | | | | | | | | Add a dynamic host_flags argument to make ahci_platform_init_host more flexible, then remove the AHCI_HFLAGS(...) argument from some driver's ata_port_info, and pass that in as the new argument. Cc: Hans de Geode <hdegoede@redhat.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Kefeng Wang <kefeng.wang@linaro.org> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: ahci_mvebu: new driver for Marvell Armada 380 AHCI interfacesThomas Petazzoni2014-05-041-0/+127
The Marvell Armada 380 SoC includes two AHCI compatible interfaces. However, like all DMA-capable Marvell interface, they require special handling to configure MBus windows. Therefore, this commit adds a new ahci_mvebu driver, which relies on the libahci_platform.c code recently introduced. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Tejun Heo <tj@kernel.org>
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