summaryrefslogtreecommitdiffstats
Commit message (Collapse)AuthorAgeFilesLines
* pcdp: use early_ioremap/early_iounmap to access pcdp tableGreg Pearson2012-07-311-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | efi_setup_pcdp_console() is called during boot to parse the HCDP/PCDP EFI system table and setup an early console for printk output. The routine uses ioremap/iounmap to setup access to the HCDP/PCDP table information. The call to ioremap is happening early in the boot process which leads to a panic on x86_64 systems: panic+0x01ca do_exit+0x043c oops_end+0x00a7 no_context+0x0119 __bad_area_nosemaphore+0x0138 bad_area_nosemaphore+0x000e do_page_fault+0x0321 page_fault+0x0020 reserve_memtype+0x02a1 __ioremap_caller+0x0123 ioremap_nocache+0x0012 efi_setup_pcdp_console+0x002b setup_arch+0x03a9 start_kernel+0x00d4 x86_64_start_reservations+0x012c x86_64_start_kernel+0x00fe This replaces the calls to ioremap/iounmap in efi_setup_pcdp_console() with calls to early_ioremap/early_iounmap which can be called during early boot. This patch was tested on an x86_64 prototype system which uses the HCDP/PCDP table for early console setup. Signed-off-by: Greg Pearson <greg.pearson@hp.com> Acked-by: Khalid Aziz <khalid.aziz@hp.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* mm: fix wrong argument of migrate_huge_pages() in soft_offline_huge_page()Joonsoo Kim2012-07-311-3/+3
| | | | | | | | | | | | | | | | | | | | | | Commit a6bc32b89922 ("mm: compaction: introduce sync-light migration for use by compaction") changed the declaration of migrate_pages() and migrate_huge_pages(). But it missed changing the argument of migrate_huge_pages() in soft_offline_huge_page(). In this case, we should call migrate_huge_pages() with MIGRATE_SYNC. Additionally, there is a mismatch between type the of argument and the function declaration for migrate_pages(). Signed-off-by: Joonsoo Kim <js1304@gmail.com> Cc: Christoph Lameter <cl@linux.com> Cc: Mel Gorman <mgorman@suse.de> Acked-by: David Rientjes <rientjes@google.com> Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'i2c-embedded/for-next' of git://git.pengutronix.de/git/wsa/linuxLinus Torvalds2012-07-2825-567/+693
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull embedded i2c changes from Wolfram Sang: "Changes for the "embedded" part of the I2C subsystem: - lots of devicetree conversions of drivers (and preparations for that) - big cleanups for drivers for OMAP, Tegra, Nomadik, Blackfin - Rafael's struct dev_pm_ops conversion patches for I2C - usual driver cleanups and fixes All patches have been in linux-next for an apropriate time and all patches touching files outside of i2c-folders should have proper acks from the maintainers." * 'i2c-embedded/for-next' of git://git.pengutronix.de/git/wsa/linux: (60 commits) Revert "i2c: tegra: convert normal suspend/resume to *_noirq" I2C: MV64XYZ: Add Device Tree support i2c: stu300: use devm managed resources i2c: i2c-ocores: support for 16bit and 32bit IO V4L/DVB: mfd: use reg_shift instead of regstep i2c: i2c-ocores: Use reg-shift property i2c: i2c-ocores: DT bindings and minor fixes. i2c: mv64xxxx: remove EXPERIMENTAL tag i2c-s3c2410: Use plain pm_runtime_put() i2c: s3c2410: Fix pointer type passed to of_match_node() i2c: mxs: Set I2C timing registers for mxs-i2c i2c: i2c-bfin-twi: Move blackfin TWI register access Macro to head file. i2c: i2c-bfin-twi: Move TWI peripheral pin request array to platform data. i2c:i2c-bfin-twi: include twi head file i2c:i2c-bfin-twi: TWI fails to restart next transfer in high system load. i2c: i2c-bfin-twi: Tighten condition when failing I2C transfer if MEN bit is reset unexpectedly. i2c: i2c-bfin-twi: Break dead waiting loop if i2c device misbehaves. i2c: i2c-bfin-twi: Improve the patch for bug "Illegal i2c bus lock upon certain transfer scenarios". i2c: i2c-bfin-twi: Illegal i2c bus lock upon certain transfer scenarios. i2c-mv64xxxx: allow more than one driver instance ... Conflicts: drivers/i2c/busses/i2c-nomadik.c
| * Revert "i2c: tegra: convert normal suspend/resume to *_noirq"Wolfram Sang2012-07-241-6/+3
| | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 7c86d44cda2e715bc95f525fd0eac4bd6a66998e. Stephen says: IIRC, I proposed it before solely to solve some suspend/resume ordering issues, and Colin Cross NAKd it. These days, deferred probe should make this change unnecessary. Reported-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * I2C: MV64XYZ: Add Device Tree supportAndrew Lunn2012-07-232-6/+146
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Extends the driver to get properties from device tree. Rather than pass the N & M factors in DT, use the more standard clock-frequency property. Calculate N & M at run time. In order to do this, we need to know tclk. So the driver uses clk_get() etc in order to get the clock and clk_get_rate() to determine the tclk rate. Not all platforms however have CLK, so some #ifdefery is needed to ensure the driver still compiles when CLK is not available. Signed-off-by: Andrew Lunn <andrew@lunn.ch> [wsa: converted some ints to u32 to match signedness] Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: stu300: use devm managed resourcesLinus Walleij2012-07-161-65/+18
| | | | | | | | | | | | | | | | | | | | | | Allocate memory for device state using devm_kzalloc(), get the clock using devm_clk_get(), get the IRQ using devm_request_irq(), request and remap memory using devm_request_and_ioremap(). All to simplify accounting and letting the kernel do the garbage-collection. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: i2c-ocores: support for 16bit and 32bit IOGanesan Ramalingam2012-07-143-2/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | Some architectures supports only 16-bit or 32-bit read/write access to their IO space. Add a 'reg-io-width' platform and OF parameter which specifies the IO width to support these platforms. reg-io-width can be specified as 1, 2 or 4, and has a default value of 1 if it is unspecified. Signed-off-by: Ganesan Ramalingam <ganesanr@broadcom.com> Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * V4L/DVB: mfd: use reg_shift instead of regstepJayachandran C2012-07-141-1/+1
| | | | | | | | | | | | | | | | | | Update for change in i2c-ocores.h which uses reg_shift to specify the register offset shifts instead of regstep. Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com> Acked-by: Richard Rojfors <richard.rojfors@pelagicore.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: i2c-ocores: Use reg-shift propertyGanesan Ramalingam2012-07-143-17/+29
| | | | | | | | | | | | | | | | | | | | Deprecate 'regstep' property and use the standard 'reg-shift' property for register offset shifts. 'regstep' will still be supported as an optional property, but will give a warning when used. Signed-off-by: Ganesan Ramalingam <ganesanr@broadcom.com> Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: i2c-ocores: DT bindings and minor fixes.Jayachandran C2012-07-142-38/+34
| | | | | | | | | | | | | | | | | | | | | | Cleanups to i2c-cores, no change in logic, changes are: * Move i2c-ocores device tree documentation from source file to Documentation/devicetree/bindings/i2c/i2c-ocores.txt. * Add \n to dev_warn and dev_err messages where missing * Minor updates to the text and formatting fixes. Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: mv64xxxx: remove EXPERIMENTAL tagWolfram Sang2012-07-141-1/+1
| | | | | | | | | | | | | | | | | | As git history indicates, the driver predates the git era and is heavily used and worked on since. Not EXPERIMENTAL anymore. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Cc: Rodolfo Giometti <giometti@linux.it> Cc: Florian Fainelli <ffainelli@freebox.fr>
| * i2c-s3c2410: Use plain pm_runtime_put()Mark Brown2012-07-131-2/+2
| | | | | | | | | | | | | | | | | | There's no point in using _sync() as we don't really care if the suspend has completed immediately. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Reviewed-by: Shubhrajyoti D <shubhrajyoti@ti.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: s3c2410: Fix pointer type passed to of_match_node()Karol Lewandowski2012-07-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | This commit fixes warning introduced in 27452498a ("i2c-s3c2410: Rework device type handling"): drivers/i2c/busses/i2c-s3c2410.c: In function 's3c24xx_get_device_quirks': drivers/i2c/busses/i2c-s3c2410.c:125: warning: passing argument 1 of 'of_match_node' from incompatible pointer type include/linux/of.h:245: note: expected 'const struct of_device_id *' but argument is of type 'const struct of_device_id (*)[4]' Signed-off-by: Karol Lewandowski <k.lewandowsk@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: mxs: Set I2C timing registers for mxs-i2cMarek Vasut2012-07-133-0/+71
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch configures the I2C bus timing registers according to information passed via DT. Currently, 100kHz and 400kHz modes are supported. The TIMING2 register value is wrong in the documentation for i.MX28! This was found and fixed by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: i2c-bfin-twi: Move blackfin TWI register access Macro to head file.Sonic Zhang2012-07-131-45/+0
| | | | | | | | | | | | | | Depend on 1e92bf6d80b5a0a137455c96bf6cdd9c1a5b531e Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: i2c-bfin-twi: Move TWI peripheral pin request array to platform data.Sonic Zhang2012-07-131-8/+4
| | | | | | | | | | | | | | Depend on commit cf93feb3a0dee97c7896016a352a3226139fbcf4 Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c:i2c-bfin-twi: include twi head fileSonic Zhang2012-07-131-0/+1
| | | | | | | | | | | | | | | | | | TWI bit mask macros are moved to twi head file. Depend on commit 61c16b5c7414b6d0511dc384e0ea994e250e6339 Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c:i2c-bfin-twi: TWI fails to restart next transfer in high system load.Sonic Zhang2012-07-131-11/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Current driver was developed based on BF537 0.2 HRM. In high system load, BUFRDERR error interrupt may be raised if XMTSERV interrupt of last TX byte is not served in time (set RSTART bit), which breaks restart tranfer as expected. "Buffer Read Error (BUFRDERR)" description in Blackfin HRM only applys to BF537 rev. < 0.3. In later rev. and later announced Blackfin chips, such as BF527 and BF548, a new TWI master feature "Clock Stretching" is added into the TWI controller, BUFRDERR interrupt is not triggered after TX FIFO is empty. This patch sets RSTART bit at the beginning of the first transfer. The SCL and SDA is hold till XMTSERV interrupt of last TX byte is served. Restart transfer is not broken in high system load. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> [wsa: fixed spaces around operators] Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: i2c-bfin-twi: Tighten condition when failing I2C transfer if MEN bit is ↵Sonic Zhang2012-07-131-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | reset unexpectedly. In order to mark I2C transfer fail when MEN bit in I2C controller is reset unexpectedly in MCOMP interrupt, interrupt status bits XMTSERV or RCVSERV should be checked. Master Transfer Complete (MCOMP). [1] The initiated master transfer has completed. In the absence of a repeat start, the bus has been released. [0] The completion of a transfer has not been detected. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> [wsa: fixed spaces around operators and typo in commit message] Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: i2c-bfin-twi: Break dead waiting loop if i2c device misbehaves.Sonic Zhang2012-07-131-4/+4
| | | | | | | | | | | | | | | | | | | | Some fault i2c device may hold the sda/scl line and cause i2c driver wait in the BUS busy loop. The I2C framework already retry the transfer loop before timeout. Return -EAGAIN instead of pull BUSBUSY in the other loop. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: i2c-bfin-twi: Improve the patch for bug "Illegal i2c bus lock upon ↵Sonic Zhang2012-07-131-19/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | certain transfer scenarios". For transfer counts > 255 bytes i2c-bfin-twi sets the data transfer counter DCNT to 0xFF indicating unlimited transfers. It then uses a flag iface->manual_stop to manually issue the STOP condition, once the required amount of bytes are received. We found that on I2C receive operation issuing the STOP condition together with a FULL RCV FIFO (2bytes) will cause SDA and SCL be constantly driven low. This patch stops receiving operation immediately in last rx interrupt. This patch also wakes up waiting process when transfer completes. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: i2c-bfin-twi: Illegal i2c bus lock upon certain transfer scenarios.Michael Hennerich2012-07-131-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For transfer counts > 255 bytes i2c-bfin-twi sets the data transfer counter DCNT to 0xFF indicating unlimited transfers. It then uses a flag iface->manual_stop to manually issue the STOP condition, once the required amount of bytes are received. We found that on I2C receive operation issuing the STOP condition together with a FULL RCV FIFO (2bytes) will cause SDA and SCL be constantly driven low. Temporary workaround until further investigation: Discard the RCV FIFO before issuing the STOP condition. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c-mv64xxxx: allow more than one driver instanceFlorian Fainelli2012-07-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | The driver currently checks the platform device id and rejects platform device id different from 0. This prevents the registration of a second i2c controller on systems where a second one might be available (such as Kirkwood 88F6282). CC: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Nicolas Schichan <nschichan@freebox.fr> Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: omap: Correct I2C revision for OMAP3Jon Hunter2012-07-121-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The OMAP3530 is based upon the same silicon as the OMAP3430 and so the I2C revision is the same for 3430 and 3530. However, the OMAP3630 device has the same I2C revision as OMAP4. Correct the revision definition to reflect this. This patch is based on work done by Jon Hunter <jon-hunter@ti.com> Changes from his patch - Update OMAP_I2C_REV_ON_3430 also to reflect that it is same as 3530 Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Jon Hunter <jon-hunter@ti.com> Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: omap: Do not initialise the completion everytimeShubhrajyoti D2012-07-121-1/+2
| | | | | | | | | | | | | | | | Use INIT_COMPLETION instead of init_completion in transfer. Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: omap: Use SET_RUNTIME_PM_OPSShubhrajyoti D2012-07-121-3/+5
| | | | | | | | | | | | | | | | Use SET_RUNTIME_PM_OPS macro to set runtime functions. Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: omap: Annotate the remove codeShubhrajyoti D2012-07-121-3/+2
| | | | | | | | | | | | | | | | The omap_i2c_remove function may not be needed after device exit so the memory could be freed. Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: tegra: convert normal suspend/resume to *_noirqLaxman Dewangan2012-07-121-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | To provide the late suspend and early resume for i2c driver, convert the suspend/resume as suspend-> suspend_noirq resume -> resume_noirq Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> [wsa: fixed up to match previous pm_ops change] Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c-tegra: Use struct dev_pm_ops for power managementRafael J. Wysocki2012-07-121-8/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | Make the Tegra I2C controller driver define its PM callbacks through a struct dev_pm_ops object rather than by using legacy PM hooks in struct platform_driver. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Laxman Dewangan <ldewangan@nvidia.com> [wsa] adapt to of_match_ptr change Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c-stu300: Use struct dev_pm_ops for power managementRafael J. Wysocki2012-07-121-9/+10
| | | | | | | | | | | | | | | | | | | | Make the ST-Ericsson U300 I2C controller driver define its PM callbacks through a struct dev_pm_ops object rather than by using legacy PM hooks in struct platform_driver. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c-puv3: Use struct dev_pm_ops for power managementRafael J. Wysocki2012-07-121-9/+6
| | | | | | | | | | | | | | | | | | | | | | Make the PKUnity-v3 SoC I2C controller driver define its suspend callback through a struct dev_pm_ops object rather than by using a legacy PM hook in struct platform_driver. The empty resume callback is not necessary, so remove it. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c-pnx: Use struct dev_pm_ops for power managementRafael J. Wysocki2012-07-121-9/+10
| | | | | | | | | | | | | | | | | | Make the PNX I2C controller driver define its PM callbacks through a struct dev_pm_ops object rather than by using legacy PM hooks in struct platform_driver. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c-ocores: Use struct dev_pm_ops for power managementRafael J. Wysocki2012-07-121-8/+9
| | | | | | | | | | | | | | | | | | Make the OpenCores I2C controller driver define its PM callbacks through a struct dev_pm_ops object rather than by using legacy PM hooks in struct platform_driver. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c-bfin-twi: Use struct dev_pm_ops for power managementRafael J. Wysocki2012-07-121-8/+10
| | | | | | | | | | | | | | | | | | | | Make the Blackfin On-Chip Two Wire Interface driver define its PM callbacks through a struct dev_pm_ops object rather than by using legacy PM hooks in struct platform_driver. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c-at91: Use struct dev_pm_ops for power managementRafael J. Wysocki2012-07-121-6/+7
| | | | | | | | | | | | | | | | | | Make the AT91 Two-Wire Interface driver define its PM callbacks through a struct dev_pm_ops object rather than by using legacy PM hooks in struct platform_driver. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: tegra: use of_match_ptr() for match_table initializationLaxman Dewangan2012-07-121-3/+1
| | | | | | | | | | | | | | | | In place of defining match_table for non-DT based as NULL, use of_match_ptr() for initialzing the of_match_table. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: tegra: use clk_disable_unprepare in place of clk_disableLaxman Dewangan2012-07-121-1/+1
| | | | | | | | | | | | | | | | | | Use clk_disable_unprepare() inplace of clk_disable(). This was missed as part of moving clock enable/disable to prepare/unprepare for using the common clock framework. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: tegra: remove unused member variableLaxman Dewangan2012-07-121-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | Remove unused member variable "iomem" of the i2c device structure. This variable becomes unused when converted all allocation to devm_* in following change: i2c: tegra: make all resource allocation through devm_* Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: imx: make bitrate an u32 typeWolfram Sang2012-07-102-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | sparse found this assignment of u32 to an int. Fix it: drivers/i2c/busses/i2c-imx.c:540:56: warning: incorrect type in argument 3 (different signedness) and also fix the type in platform_data. All current users use values which fit into the old and new type, so it is a safe change. Signed-off-by: Wolfram Sang <wolfram@the-dreams.de> Reviewed-by: Richard Zhao <richard.zhao@freescale.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
| * i2c: i2c-imx: Adapt the clock name to the new clock frameworkFabio Estevam2012-07-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With the new i.mx clock framework the i2c clock is registered as: clk_register_clkdev(clk[i2c1_ipg_gate], NULL, "imx-i2c.0") So we do not need to pass "i2c_clk" string and can use NULL instead. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> [wsa: rebased on top of the devm-conversion] Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: stu300: use clk_prepare/unprepareLinus Walleij2012-07-091-1/+3
| | | | | | | | | | | | | | | | | | Make sure we prepare/unprepare the clock for the ST U300 I2C driver as is required by the clk API especially if you use common clock. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: mxs: mxs_i2c_finish_read: mute flase positive uninitialized varMarc Kleine-Budde2012-07-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | This patch mutes the false positive compiler warning: drivers/i2c/busses/i2c-mxs.c: In function 'mxs_i2c_xfer_msg': drivers/i2c/busses/i2c-mxs.c:206:8: warning: 'data' may be used uninitialized in this function [-Wuninitialized] drivers/i2c/busses/i2c-mxs.c:196:6: note: 'data' was declared here Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c-nomadik: Add 10-bit addressing supportVirupax Sadashivpetimath2012-07-091-17/+29
| | | | | | | | | | | | | | Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com> Signed-off-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c-nomadik: depend on ARM_AMBA, not PLAT_NOMADIKAlessandro Rubini2012-07-091-2/+3
| | | | | | | | | | | | | | | | | | | | The gateware device has been used outside of the Nomadik world, using the pci-amba bridge driver, so loosen the dependencies. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Tested-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c-nomadik: turn the platform driver to an amba driverAlessandro Rubini2012-07-092-86/+78
| | | | | | | | | | | | | | | | | | | | | | | | | | The i2c-nomadik gateware is really a PrimeCell APB device. By hosting the driver under the amba bus we can access it more easily, for example using the generic pci-amba driver. The patch also fixes the mach-ux500 users, so they register an amba device instead than a platform device. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Tested-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c-nomadik: move header to <linux/platform_data/i2c-nomadik.h>Alessandro Rubini2012-07-094-7/+6
| | | | | | | | | | | | | | | | | | | | | | | | The header and driver are only used by arm/mach-u8500 (and potentially arm/mach-nomadik), but the STA2X11 I/O Hub exports on PCIe a number of devices, including i2c-nomadik. This patch allows compilation of the driver under x86. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Tested-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: imx: convert to use managed functionsRichard Zhao2012-07-081-53/+18
| | | | | | | | | | | | | | | | | | | | - convert to use devm_request_and_ioremap, devm_kzalloc, devm_clk_get, devm_request_irq. - clean up unused variables. Signed-off-by: Richard Zhao <richard.zhao@freescale.com> Reviewed-by: Shubhrajyoti D <Shubhrajyoti@ti.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: tegra: make all resource allocation through devm_*Laxman Dewangan2012-07-081-45/+17
| | | | | | | | | | | | | | | | | | | | Use the devm_* for the memory region allocation, interrupt request, clock handler request. By doing this, it does not require to explicitly free it and hence saving some code. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: tegra: support for I2C_M_NOSTART functionalityLaxman Dewangan2012-07-081-5/+26
| | | | | | | | | | | | | | | | | | | | | | Adding support for functionality I2C_M_NOSTART. When multiple message transfer request made through i2c and if any message is flagged with I2C_M_NOSTART then it will not send the start/repeat-start and address of that message i.e. sends data directly. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
| * i2c: tegra: add PROTOCOL_MANGLING as supported functionality.Laxman Dewangan2012-07-081-1/+2
| | | | | | | | | | | | | | | | The Tegra i2c driver supports the I2C_M_IGNORE_NAK and hence returning I2C_FUNC_PROTOCOL_MANGLING as supported functionality. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 15:54:00 +0100