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2012-03-08Merge branch 'next/cleanup-s3c24xx' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup * 'next/cleanup-s3c24xx' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (24 commits) ARM: S3C24XX: remove call to s3c24xx_setup_clocks ARM: S3C24XX: add get_rate for clk_p on S3C2416/2443 ARM: S3C24XX: add get_rate for clk_h on S3C2416/2443 ARM: S3C24XX: remove XXX_setup_clocks method from S3C2443 ARM: S3C24XX: remove obsolete S3C2416_DMA option ARM: S3C24XX: Reuse S3C2443 dma for S3C2416 ARM: S3C24XX: Fix indentation of dma-s3c2443 ARM: S3C24XX: Move device setup files to mach directory ARM: S3C24XX: Consolidate Simtec extensions ARM: S3C24XX: move simtec-specific code to mach directory ARM: S3C24XX: Move common-smdk code to mach directory ARM: S3C24XX: Move s3c2443-clock.c to mach-s3c24xx ARM: s3c2410_defconfig: update s3c2410_defconfig ARM: S3C2443: move mach-s3c2443/* into mach-s3c24xx/ ARM: S3C2440: move mach-s3c2440/* into mach-s3c24xx/ ARM: S3C2416: move mach-s3c2416/* into mach-s3c24xx/ ARM: S3C2412: move mach-s3c2412/* into mach-s3c24xx/ ARM: S3C2410: move mach-s3c2410/* into mach-s3c24xx/ ARM: S3C24XX: change the ARCH_S3C2410 to ARCH_S3C24XX ARM: S3C2410: move s3c2410_baseclk_add to clock.h ...
2012-03-07Merge branch 'next/cleanup-use-static' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup * 'next/cleanup-use-static' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: SAMSUNG: use static declaration when it is not used in other files ARM: S5PV210: use static declaration when it is not used in other files ARM: S5PC100: use static declaration when it is not used in other files ARM: S5P64X0: use static declaration when it is not used in other files ARM: S3C64XX: use static declaration when it is not used in other files ARM: S3C24XX: use static declaration when it is not used in other files ARM: EXYNOS: use static declaration when it is not used in other files
2012-03-07Merge branch 'cleanup' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup * 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: Fix build error after merge
2012-03-07ARM: OMAP2+: Fix build error after mergeTony Lindgren
Commit 9890ce44 (ARM: get rid of asm/irq.h in asm/prom.h) removed include of asm/irq.h in asm/prom.h. This commit together with recent omap cleanup to remove io.h causes build breakage: arrch/arm/mach-omap2/control.c: In function 'omap3_ctrl_write_boot_mode': arch/arm/mach-omap2/control.c:238: error: 'OMAP343X_CTRL_BASE' undeclared (first use in this function) ... Fix this by including hardware.h directly where needed instead of relying on asm/irq.h in asm/prom.h. Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-03-07Merge branch 'topic/cleanup-use-static' into next/cleanup-use-staticKukjin Kim
Conflicts: arch/arm/mach-exynos/dma.c arch/arm/mach-s5p64x0/dma.c arch/arm/mach-s5pc100/dma.c arch/arm/mach-s5pv210/dma.c
2012-03-07ARM: S3C24XX: remove call to s3c24xx_setup_clocksHeiko Stuebner
As the clocks can calculate their rate themself now, there is no need to set it statically. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-07ARM: S3C24XX: add get_rate for clk_p on S3C2416/2443Heiko Stuebner
Currently the rate of clk_p is calculated once and set through the s3c24xx_setup_clocks call. As the clk_p is a child of clk_h we can evaluate its divider and calculate the rate in get_rate. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-07ARM: S3C24XX: add get_rate for clk_h on S3C2416/2443Heiko Stuebner
Currently the rate of clk_h is calculated once and set through the s3c24xx_setup_clocks call. As the clk_h is a child of the prediv we can evaluate its divider and calculate the rate in get_rate. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-07ARM: S3C24XX: remove XXX_setup_clocks method from S3C2443Heiko Stuebner
s3c2443_common_setup_clocks is always called through s3c2443_common_init_clocks, so there is no need to call it separately. It was also called twice through this separate call. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-07ARM: S3C24XX: remove obsolete S3C2416_DMA optionHeiko Stuebner
The S3C2416 now reuses the dma selection of the S3C2443. Therefore it is not necessary to keep the S3C2416_DMA option around. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-07ARM: S3C24XX: Reuse S3C2443 dma for S3C2416Heiko Stuebner
The dma controller is similar in S3C2443 and S3C2416 and has also the same register layout with the same REQSEL-bits in the source select. The only small difference is the SIO channel of the S3C2443 for the non-hsmmc controller which is not present on S3C2416/2450 and second spi channel which is not present on the S3C2416. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-07ARM: S3C24XX: Fix indentation of dma-s3c2443Heiko Stuebner
Spaces seem to have slipped in at some point in the past. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-07ARM: S3C24XX: Move device setup files to mach directoryHeiko Stuebner
Includes a small rename of the SETUP_TS option to a S3C24XX prefix. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-07ARM: S3C24XX: Consolidate Simtec extensionsHeiko Stuebner
The Simtec extension didn't follow a specific naming scheme for files and config options until now. This distributed the files throughout the whole mach-s3c24xx directory. This patch fixes the naming of files and option names and also creates a simtec.h header instead of using many one-liners. As the plat/audio-simtec.h only contains the platform-data struct now, it can also move to include/sound in a later patch. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-07ARM: S3C24XX: move simtec-specific code to mach directoryHeiko Stuebner
This includes a rename of the pm-simtec.c to keep the simtec extensions together a bit and also better naming of the Kconfig options. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-07ARM: S3C24XX: Move common-smdk code to mach directoryHeiko Stuebner
This code is used by boards based on the S3C2410/S3C2440/S3C2416. The patch includes also a rename of the option, as the smdk code is not a mach itself, but only an extension with common code. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-07Merge branch 'topic/cleanup-s3c24xx' into next/cleanup-s3c24xxKukjin Kim
Conflicts: arch/arm/mach-s3c24xx/include/mach/system.h
2012-03-04Merge tag 'tegra-cleanups' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/olof/tegra into tegra/cleanups Minor fixes that weren't urgent enough to go into 3.3. The two paz00 patches are in mainline already but got merged after the branch point for this branch, so they're duplicated. I also ended up merging in rmk/for-armsoc into this later on to fix a bug introduced by it, so it's included but it's not the base of this branch. * tag 'tegra-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/tegra: ARM: tegra: Enable CPUIdle on Tegra20 ARM: tegra: export usb phy symbols ARM: tegra: build localtimer support only when needed ARM: tegra: select CPU_FREQ_TABLE ARM: tegra: select required CPU and L2 errata options ARM: tegra: paz00: fix wrong UART port on mini-pcie plug ARM: tegra: paz00: fix wrong SD1 power gpio Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-03-04ARM: tegra: Enable CPUIdle on Tegra20Peter De Schrijver
As the LP3 code also works for Tegra20, we can enable cpuidle for Tegra20. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-03-04ARM: tegra: export usb phy symbolsArnd Bergmann
The ehci driver can be a module, so the functions provided by the tegra platform code used by ehci-tegra need to be exported. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Alan Ott <alan@signal11.us> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-03-04ARM: tegra: build localtimer support only when neededArnd Bergmann
It is possible to build a tegra kernel without localtimer support, so the tegra specific parts should only be built when that is indeed enabled. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Alan Ott <alan@signal11.us> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-03-04ARM: tegra: select CPU_FREQ_TABLEArnd Bergmann
The tegra cpufreq implementation relies on the cpu_freq_table code, so make sure that this is always there when needed. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Alan Ott <alan@signal11.us> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-03-04Merge branch 'depends/rmk/for-armsoc' into for-3.4/cleanup-and-fixesOlof Johansson
2012-03-03ARM: S3C24XX: Move s3c2443-clock.c to mach-s3c24xxHeiko Stuebner
S3C-SoCs starting with the S3C2443 can share a lot of functionality. The file can collect more common code of these SocS later on and therefore gets a new name to reflect this future purpose. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-03ARM: s3c2410_defconfig: update s3c2410_defconfigKukjin Kim
According to merging s3c24xx, updates the current s3c2410_defconfig. Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-03ARM: S3C2443: move mach-s3c2443/* into mach-s3c24xx/Kukjin Kim
This patch moves S3C2443 stuff into mach-s3c24xx/ directory so that we can merge the s3c24 series' directories to the just one mach-s3c24xx/ directory. Cc: Ben Dooks <ben-linux@fluff.org> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-03ARM: S3C2440: move mach-s3c2440/* into mach-s3c24xx/Kukjin Kim
This patch moves S3C2440 stuff into mach-s3c24xx/ directory so that we can merge the s3c24 series' directories to the just one mach-s3c24xx/ directory. And this patch is including following. - re-ordered alphabetically by option text at Kconfig and Makefile Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-03ARM: S3C2416: move mach-s3c2416/* into mach-s3c24xx/Kukjin Kim
This patch moves S3C2416 stuff into mach-s3c24xx/ directory so that we can merge the s3c24 series' directories to the just one mach-s3c24xx/ directory. Cc: Ben Dooks <ben-linux@fluff.org> Tested-by: Heiko Stuebner <heiko@sntech.de> [kgene.kim@samsung.com: removed compiling s3c2416 as per Heiko's suggestion] Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-03ARM: S3C2412: move mach-s3c2412/* into mach-s3c24xx/Kukjin Kim
This patch moves S3C2412 stuff into mach-s3c24xx/ directory so that we can merge the s3c24 series' directories to the just one mach-s3c24xx/ directory. And this patch is including following. - re-ordered alphabetically by option text at Kconfig and Makefile Cc: Ben Dooks <ben-linux@fluff.org> [heiko@sntech.de: move 'config S3C2412_PM_SLEEP' to use it for S3C2416] Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-03ARM: S3C2410: move mach-s3c2410/* into mach-s3c24xx/Kukjin Kim
This patch moves S3C2410 stuff into mach-s3c24xx/ directory so that we can merge the s3c24 series' directories to the just one mach-s3c24xx/ directory. And this patch is including following. - re-ordered alphabetically by option text at Kconfig and Makefile - removed unused option, MACH_N35 - fixed duplcated option name, S3C2410_DMA to S3C24XX_DMA which is in plat-s3c24xx/ Cc: Ben Dooks <ben-linux@fluff.org> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-03ARM: S3C24XX: change the ARCH_S3C2410 to ARCH_S3C24XXKukjin Kim
This patch changes the ARCH name to "ARCH_S3C24XX" for Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443, and S3C2450 SoCs so that we can merge the mach-xxx directories and plat-s3c24xx dir. to just one mach-s3c24xx for them. I think this should be sent to upstream via samsung tree because this touches many samsung stuff. Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Chris Ball <cjb@laptop.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Greg Kroah-Hartman <gregkh@suse.de> [for the gadget part:] Acked-by: Felipe Balbi <balbi@ti.com> [for the framebuffer (video) part:] Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> [For the watchdog-part:] Acked-by: Wim Van Sebroeck <wim@iguana.be> Cc: Sangbeom Kim <sbkim73@samsung.com> Cc: Liam Girdwood <lrg@ti.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-02Merge branch 'depends/omap/gpio/runtime-pm-cleanup' into next/cleanupArnd Bergmann
Conflicts: arch/arm/mach-omap1/gpio16xx.c drivers/gpio/gpio-omap.c Merge in the runtime-pm-cleanup branch from the gpio tree into next/cleanup, this resolves a nonobvious merge conflict between the two branches. Both branches move parts of the gpio-omap driver into platform code, this takes the superset of both changes. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-02-29Merge branch 'cleanup' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup * 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: Fix L4_EMU_34XX_BASE error after iomap changes ARM: OMAP2+: Limit omap_read/write usage to legacy USB drivers ARM: OMAP: Remove plat/io.h by splitting it into mach/io.h and mach/hardware.h ARM: OMAP2+: Move most of plat/io.h into local iomap.h ARM: OMAP1: Move most of plat/io.h into local iomap.h ARM: OMAP1: Move 16xx GPIO system clock to platform init code ARM: OMAP: Move omap_init_consistent_dma_size() to local common.h ARM: OMAP2+: Move SDRC related functions from io.h into local common.h ARM: OMAP2+: Drop DISPC L3 firewall code ARM: OMAP2xxx: PM: remove obsolete timer disable code in the suspend path ARM: OMAP: McSPI: Remove unused flag from struct omap2_mcspi_device_config (update to latest rmk/for-arm-soc branch) Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-02-28ARM: OMAP2+: Fix L4_EMU_34XX_BASE error after iomap changesTony Lindgren
With the introduction of iomap changes platform init code fails for emu.c if CONFIG_OMAP3_EMU is selected: arch/arm/mach-omap2/emu.c:35:8: error: 'L4_EMU_34XX_BASE' undeclared here (not in a function) Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-02-28Merge branch 'iomap' into cleanupTony Lindgren
2012-02-28Merge branch 'cleanup-3.4' of git://github.com/hzhuang1/linux into next/cleanupArnd Bergmann
* 'cleanup-3.4' of git://github.com/hzhuang1/linux: (2 commits) rtc: sa1100: remove verification code of alarm rtc: sa1100: remove periodic code (update to v3.3-rc5)
2012-02-28rtc: sa1100: remove verification code of alarmHaojian Zhuang
Since next alarm time is already calculated in rtc common interface, we needn't keep this logic in rtc-sa1100.c any more. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
2012-02-28rtc: sa1100: remove periodic codeHaojian Zhuang
Since periodic timer is already supported by hrtimer in rtc interface, we needn't keep the duplicated code in rtc-sa1100.c any more. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
2012-02-27Merge branch 'davinci/cleanups' into next/cleanupArnd Bergmann
* davinci/cleanups: ARM: davinci: add back dummy header files ARM: davinci: dm644x: don't force vpfe registeration on all boards ARM: davinci: dm644x: fix inconsistent variable naming ARM: davinci: dm644x: improve readability using macro ARM: davinci: streamline sysmod access ARM: davinci: create new common platform header for davinci ARM: davinci: dm646x: move private definitions to C file ARM: davinci: dm365: move private definitions to C file ARM: davinci: dm644x: move private definitions to C file Conflicts: arch/arm/mach-davinci/board-dm644x-evm.c arch/arm/mach-davinci/board-neuros-osd2.c arch/arm/mach-davinci/board-sffsdr.c
2012-02-27ARM: davinci: add back dummy header filesArnd Bergmann
The mach/dm365.h and mach/dm646xh headers are currently being included in some device drivers. The removal of those includes is already merged in some subsystem trees, but adding the dummy files ensures that this branch can be built standalone. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-02-27Merge branch 'imx-cleanup' of git://git.pengutronix.de/git/imx/linux-2.6 ↵Arnd Bergmann
into next/cleanup * 'imx-cleanup' of git://git.pengutronix.de/git/imx/linux-2.6: (247 commits) ARM: Remove redundant ';' from avic_irq_set_priority() ARM: mx3: Let mx31 and mx35 share the same CCM header file ARM: plat-mxc: audmux-v1: Remove unneeded ifdef's Update to v3.3-rc3 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-02-27ARM: Remove redundant ';' from avic_irq_set_priority()Jesper Juhl
One semi-colon at the end of the return statement is sufficient. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-02-27ARM: mx3: Let mx31 and mx35 share the same CCM header fileFabio Estevam
Let mx31 and mx35 share the same CCM header file Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-02-27ARM: plat-mxc: audmux-v1: Remove unneeded ifdef'sFabio Estevam
As we are able to build a single kernel that can run on mx21 and mx27, there is no need for the ifdef's anymore inside audmux-v1.c. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-02-26ARM: tegra: select required CPU and L2 errata optionsStephen Warren
The ARM IP revisions in Tegra are: Tegra20: CPU r1p1, PL310 r2p0 Tegra30: CPU A01=r2p7/>=A02=r2p9, NEON r2p3-50, PL310 r3p1-50 Based on work by Olof Johansson, although the actual list of errata is somewhat different here, since I added a bunch more and removed one PL310 erratum that doesn't seem applicable. Signed-off-by: Stephen Warren <swarren@nvidia.com> Cc: stable@vger.kernel.org Signed-off-by: Olof Johansson <olof@lixom.net>
2012-02-25Linux 3.3-rc5Linus Torvalds
2012-02-25Merge tag 'hwmon-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Couple of minor driver fixes. * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (max34440) Fix resetting temperature history hwmon: (f75375s) Fix register write order when setting fans to full speed hwmon: (ads1015) Fix file leak in probe function hwmon: (max6639) Fix PPR register initialization to set both channels hwmon: (max6639) Fix FAN_FROM_REG calculation
2012-02-25Merge branch 'rc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild three kbuild fixes for 3.3: - make deb-pkg symlink race fix. - make coccicheck fix. - Dropping the check for modutils. This is not a regression, but allows the module-init-tools replacement kmod work with the 3.3 kernel. * 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: coccicheck: change handling of C={1,2} when M= is set builddeb: Don't create files in /tmp with predictable names kbuild: do not check for ancient modutils tools
2012-02-25autofs: work around unhappy compat problem on x86-64Ian Kent
When the autofs protocol version 5 packet type was added in commit 5c0a32fc2cd0 ("autofs4: add new packet type for v5 communications"), it obvously tried quite hard to be word-size agnostic, and uses explicitly sized fields that are all correctly aligned. However, with the final "char name[NAME_MAX+1]" array at the end, the actual size of the structure ends up being not very well defined: because the struct isn't marked 'packed', doing a "sizeof()" on it will align the size of the struct up to the biggest alignment of the members it has. And despite all the members being the same, the alignment of them is different: a "__u64" has 4-byte alignment on x86-32, but native 8-byte alignment on x86-64. And while 'NAME_MAX+1' ends up being a nice round number (256), the name[] array starts out a 4-byte aligned. End result: the "packed" size of the structure is 300 bytes: 4-byte, but not 8-byte aligned. As a result, despite all the fields being in the same place on all architectures, sizeof() will round up that size to 304 bytes on architectures that have 8-byte alignment for u64. Note that this is *not* a problem for 32-bit compat mode on POWER, since there __u64 is 8-byte aligned even in 32-bit mode. But on x86, 32-bit and 64-bit alignment is different for 64-bit entities, and as a result the structure that has exactly the same layout has different sizes. So on x86-64, but no other architecture, we will just subtract 4 from the size of the structure when running in a compat task. That way we will write the properly sized packet that user mode expects. Not pretty. Sadly, this very subtle, and unnecessary, size difference has been encoded in user space that wants to read packets of *exactly* the right size, and will refuse to touch anything else. Reported-and-tested-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-24Merge tag 'rdma-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband One InfiniBand/RDMA regression fix for 3.3: - mlx4 SR-IOV changes added static exported functions, which doesn't build on powerpc at least. Fix from Doug Ledford for this. * tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: mlx4_core: Exported functions can't be static
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