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2012-10-06backlight: lp855x: add FAST bit description for LP8556Kim, Milo1-0/+2
LP8556 backlight driver supports fast refresh mode when exiting the low power mode. This bit can be configurable in the platform side. Signed-off-by: Milo(Woogyom) Kim <[email protected]> Cc: Richard Purdie <[email protected]> Cc: Bryan Wu <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06drivers/video/backlight/kb3886_bl.c: use usleep_range() instead of msleep() ↵Jingoo Han1-2/+2
for small sleeps Since msleep() might not sleep for the desired amount when less than 20ms, use usleep_range(). Signed-off-by: Jingoo Han <[email protected]> Cc: Claudio Nieder <[email protected]> Cc: Richard Purdie <[email protected]> Cc: Sachin Kamat <[email protected]> Cc: Mark Brown <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06drivers/video/backlight/ltv350qv.c: use usleep_range() instead of msleep() ↵Jingoo Han1-3/+3
for small sleeps Since msleep() might not sleep for the desired amount when less than 20ms, use usleep_range(). Signed-off-by: Jingoo Han <[email protected]> Cc: Haavard Skinnemoen <[email protected]> Cc: Richard Purdie <[email protected]> Cc: Sachin Kamat <[email protected]> Cc: Mark Brown <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06drivers/video/backlight/da9052_bl.c: use usleep_range() instead of msleep() ↵Jingoo Han1-1/+1
for small sleeps Since msleep() might not sleep for the desired amount when less than 20ms, use usleep_range(). Signed-off-by: Jingoo Han <[email protected]> Cc: Ashish Jangam <[email protected]> Cc: Richard Purdie <[email protected]> Cc: Sachin Kamat <[email protected]> Cc: Mark Brown <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06MAINTAINERS: update email address for Khalid AzizKhalid Aziz1-1/+1
Signed-off-by: Khalid Aziz <[email protected]> Cc: Khalid Aziz <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06MAINTAINERS: fix indentation for Viresh KumarAndy Shevchenko1-8/+8
Signed-off-by: Andy Shevchenko <[email protected]> Acked-by: Viresh Kumar <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06MAINTAINERS: Update gianfar_ptp after renamingJoe Perches1-1/+1
Commit ec21e2ec3676 ("freescale: Move the Freescale drivers") moved the files, update the pattern. Signed-off-by: Joe Perches <[email protected]> Acked-by: Richard Cochran <[email protected]> Acked-by: Jeff Kirsher <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06MAINTAINERS: add defconfig file to IMX sectionUwe Kleine-König1-0/+1
Signed-off-by: Uwe Kleine-König <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06MAINTAINERS: update gpio subsystem file listYang Bai1-0/+1
Signed-off-by: Yang Bai <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06lib/vsprintf: update documentation to cover all of %p[Mm][FR]Andy Shevchenko2-1/+5
Acked-by: Andrei Emeltchenko <[email protected]> Signed-off-by: Andy Shevchenko <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06lib: vsprintf: fix broken commentsGeorge Spelvin1-7/+7
Numbering the 8 potential digits 2 though 9 never did make a lot of sense. Signed-off-by: George Spelvin <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: Michal Nazarewicz <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06lib: vsprintf: optimize put_dec_trunc8()George Spelvin1-16/+6
If you're going to have a conditional branch after each 32x32->64-bit multiply, might as well shrink the code and make it a loop. This also avoids using the long multiply for small integers. (This leaves the comments in a confusing state, but that's a separate patch to make review easier.) Signed-off-by: George Spelvin <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: Michal Nazarewicz <[email protected]> Cc: Rabin Vincent <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06lib: vsprintf: optimize division by 10000George Spelvin1-27/+33
The same multiply-by-inverse technique can be used to convert division by 10000 to a 32x32->64-bit multiply. Signed-off-by: George Spelvin <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: Michal Nazarewicz <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06lib: vsprintf: optimize division by 10 for small integersGeorge Spelvin1-2/+3
Shrink the reciprocal approximations used in put_dec_full4() based on the comments in put_dec_full9(). Signed-off-by: George Spelvin <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: Michal Nazarewicz <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06poweroff: fix bug in orderly_poweroff()hongfeng1-1/+1
orderly_poweroff is trying to poweroff platform in two steps: step 1: Call user space application to poweroff step 2: If user space poweroff fail, then do a force power off if force param is set. The bug here is, step 1 is always successful with param UMH_NO_WAIT, which obey the design goal of orderly_poweroff. We have two choices here: UMH_WAIT_EXEC which means wait for the exec, but not the process; UMH_WAIT_PROC which means wait for the process to complete. we need to trade off the two choices: If using UMH_WAIT_EXEC, there is potential issue comments by Serge E. Hallyn: The exec will have started, but may for whatever (very unlikely) reason fail. If using UMH_WAIT_PROC, there is potential issue comments by Eric W. Biederman: If the caller is not running in a kernel thread then we can easily get into a case where the user space caller will block waiting for us when we are waiting for the user space caller. Thanks for their excellent ideas, based on the above discussion, we finally choose UMH_WAIT_EXEC, which is much more safe, if the user application really fails, we just complain the application itself, it seems a better choice here. Signed-off-by: Feng Hong <[email protected]> Acked-by: Kees Cook <[email protected]> Acked-by: Serge Hallyn <[email protected]> Cc: "Eric W. Biederman" <[email protected]> Acked-by: "Rafael J. Wysocki" <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06kernel/sys.c: call disable_nonboot_cpus() in kernel_restart()Shawn Guo1-0/+1
As kernel_power_off() calls disable_nonboot_cpus(), we may also want to have kernel_restart() call disable_nonboot_cpus(). Doing so can help machines that require boot cpu be the last alive cpu during reboot to survive with kernel restart. This fixes one reboot issue seen on imx6q (Cortex-A9 Quad). The machine requires that the restart routine be run on the primary cpu rather than secondary ones. Otherwise, the secondary core running the restart routine will fail to come to online after reboot. Signed-off-by: Shawn Guo <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06tile: fix personality bits handling upon exec()Jiri Kosina1-2/+2
Historically, the top three bytes of personality have been used for things such as ADDR_NO_RANDOMIZE, which made sense only for specific architectures. We now however have a flag there that is general no matter the architecture (UNAME26); generally we have to be careful to preserve the personality flags across exec(). This patch fixes tile architecture not to forcefully overwrite personality flags during exec(). In addition to that, we fix two other things along the way: - exec_domain switching is fixed -- set_personality() should always be used instead of directly assigning to current->personality. - as pointed out by Arnd Bergmann, PER_LINUX_32BIT is not used anywhere by tile, so let's just drop that in favor of PER_LINUX Signed-off-by: Jiri Kosina <[email protected]> Acked-by: Chris Metcalf <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06cross-arch: don't corrupt personality flags upon exec()Jiri Kosina16-16/+31
Historically, the top three bytes of personality have been used for things such as ADDR_NO_RANDOMIZE, which made sense only for specific architectures. We now however have a flag there that is general no matter the architecture (UNAME26); generally we have to be careful to preserve the personality flags across exec(). This patch tries to fix all architectures that forcefully overwrite personality flags during exec() (ppc32 and s390 have been fixed recently by commits f9783ec862ea ("[S390] Do not clobber personality flags on exec") and 59e4c3a2fe9c ("powerpc/32: Don't clobber personality flags on exec") in a similar way already). Signed-off-by: Jiri Kosina <[email protected]> Cc: Haavard Skinnemoen <[email protected]> Cc: Hans-Christian Egtvedt <[email protected]> Cc: Mike Frysinger <[email protected]> Cc: Mark Salter <[email protected]> Cc: Mikael Starvik <[email protected]> Cc: Jesper Nilsson <[email protected]> Cc: David Howells <[email protected]> Cc: Yoshinori Sato <[email protected]> Cc: Richard Kuo <[email protected]> Cc: Hirokazu Takata <[email protected]> Cc: Geert Uytterhoeven <[email protected]> Cc: Michal Simek <[email protected]> Cc: Koichi Yasutake <[email protected]> Cc: Jonas Bonn <[email protected]> Cc: Chen Liqin <[email protected]> Cc: Lennox Wu <[email protected]> Cc: Paul Mundt <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Chris Zankel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06score: select generic atomic64_t supportFengguang Wu1-0/+1
It's required for the core fs/namespace.c and many other basic features. Signed-off-by: Fengguang Wu <[email protected]> Acked-by: Lennox Wu <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06frv: kill used but uninitialized variableGeert Uytterhoeven1-10/+9
Commit 6afe1a1fe8ff ("PM: Remove legacy PM") removed the initialization of retval, causing: arch/frv/kernel/pm.c: In function 'sysctl_pm_do_suspend': arch/frv/kernel/pm.c:165:5: warning: 'retval' may be used uninitialized in this function [-Wuninitialized] Remove the variable completely to fix this, and convert to a proper switch (...) { ... } construct to improve readability. Signed-off-by: Geert Uytterhoeven <[email protected]> Cc: David Howells <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix const sections for crc32 tableJoe Mario2-6/+9
Fix the const sections for the code generated by crc32 table. There's no ro version of the cacheline aligned section, so we cannot put in const data without a conflict Just don't make the crc tables const for now. [[email protected]: some fixes and new description] [[email protected]: checkpatch fixes] Signed-off-by: Joe Mario <[email protected]> Signed-off-by: Andi Kleen <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in soundAndi Kleen1-1/+1
Signed-off-by: Andi Kleen <[email protected]> Cc: Takashi Iwai <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in netAndi Kleen7-6/+8
Signed-off-by: Andi Kleen <[email protected]> Cc: David Miller <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in net/canAndi Kleen4-4/+4
Signed-off-by: Andi Kleen <[email protected]> Cc: Oliver Hartkopp <[email protected]> Cc: David Miller <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in mm/percpu.cAndi Kleen2-2/+2
Signed-off-by: Andi Kleen <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in drivers/videoAndi Kleen5-6/+6
Signed-off-by: Andi Kleen <[email protected]> Cc: Florian Tobias Schandinat <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in drivers/scsiAndi Kleen2-2/+2
Signed-off-by: Andi Kleen <[email protected]> Cc: James Bottomley <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in drivers/platform/x86Andi Kleen3-7/+7
Signed-off-by: Andi Kleen <[email protected]> Cc: Matthew Garrett <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in drivers/net/wanAndi Kleen1-1/+1
Signed-off-by: Andi Kleen <[email protected]> Cc: Krzysztof Halasa <[email protected]> Cc: David Miller <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in drivers/net/hamradioAndi Kleen5-7/+7
Signed-off-by: Andi Kleen <[email protected]> Cc: David Miller <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in drivers/netAndi Kleen14-15/+15
Signed-off-by: Andi Kleen <[email protected]> Cc: David Miller <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in drivers/mmcAndi Kleen1-1/+1
Signed-off-by: Andi Kleen <[email protected]> Cc: Chris Ball <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in drivers/mfdAndi Kleen1-3/+3
Signed-off-by: Andi Kleen <[email protected]> Cc: Samuel Ortiz <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in drivers/macintoshAndi Kleen1-1/+1
[[email protected]: checkpatch fixes] Signed-off-by: Andi Kleen <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in drivers/ideAndi Kleen41-53/+53
Signed-off-by: Andi Kleen <[email protected]> Cc: David Miller <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in drivers/charAndi Kleen1-1/+1
Signed-off-by: Andi Kleen <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in drivers/atmAndi Kleen1-1/+1
Signed-off-by: Andi Kleen <[email protected]> Cc: Chas Williams <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in arch/x86Andi Kleen3-4/+4
Signed-off-by: Andi Kleen <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in arch/shAndi Kleen2-2/+2
Signed-off-by: Andi Kleen <[email protected]> Cc: Paul Mundt <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in arch/scoreAndi Kleen1-0/+1
Signed-off-by: Andi Kleen <[email protected]> Cc: Chen Liqin <[email protected]> Cc: Lennox Wu <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in arch/powerpcAndi Kleen6-6/+6
Signed-off-by: Andi Kleen <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in arch/mipsAndi Kleen2-2/+2
Signed-off-by: Andi Kleen <[email protected]> Cc: Ralf Baechle <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in arch/ia64Andi Kleen2-2/+2
Signed-off-by: Andi Kleen <[email protected]> Cc: "Luck, Tony" <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in arch/h8300Andi Kleen7-8/+9
[[email protected]: checkpatch fixes] Signed-off-by: Andi Kleen <[email protected]> Cc: Yoshinori Sato <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in arch/frvAndi Kleen2-2/+2
Signed-off-by: Andi Kleen <[email protected]> Cc: David Howells <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: fix section conflicts in arch/arm/Andi Kleen6-36/+36
Signed-off-by: Andi Kleen <[email protected]> Cc: Russell King <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06sections: disable const sections for PA-RISC v2Andi Kleen3-8/+26
The PA-RISC tool chain seems to have some problem with correct read/write attributes on sections. This causes problems when the const sections are fixed up for other architecture to only contain truly read-only data. Disable const sections for PA-RISC This can cause a bit of noise with modpost. Signed-off-by: Andi Kleen <[email protected]> Cc: "James E.J. Bottomley" <[email protected]> Cc: Helge Deller <[email protected]> Acked-by: Sam Ravnborg <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06drivers/scsi/atp870u.c: fix bad use of udelayMartin Michlmayr1-1/+10
The ACARD driver calls udelay() with a value > 2000, which leads to to the following compilation error on ARM: ERROR: "__bad_udelay" [drivers/scsi/atp870u.ko] undefined! make[1]: *** [__modpost] Error 1 This is because udelay is defined on ARM, roughly speaking, as #define udelay(n) ((n) > 2000 ? __bad_udelay() : \ __const_udelay((n) * ((2199023U*HZ)>>11))) The argument to __const_udelay is the number of jiffies to wait divided by 4, but this does not work unless the multiplication does not overflow, and that is what the build error is designed to prevent. The intended behavior can be achieved by using mdelay to call udelay multiple times in a loop. [[email protected]: adding context] Signed-off-by: Martin Michlmayr <[email protected]> Signed-off-by: Jonathan Nieder <[email protected]> Cc: James Bottomley <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06unicore32: select generic atomic64_t supportFengguang Wu1-0/+1
It's required for the core fs/namespace.c and many other basic features. Signed-off-by: Guan Xuetao <[email protected]> Signed-off-by: Fengguang Wu <[email protected]> Cc: "Eric W. Biederman" <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-10-06kbuild: make: fix if_changed when command contains backslashesSascha Hauer1-1/+1
The call if_changed mechanism does not work when the command contains backslashes. This basically is an issue with lzo and bzip2 compressed kernels. The compressed binaries do not contain the uncompressed image size, so these use size_append to append the size. This results in backslashes in the executed command. With this if_changed always detects a change in the command and rebuilds the compressed image even if nothing has changed. Fix this by escaping backslashes in make-cmd Signed-off-by: Sascha Hauer <[email protected]> Signed-off-by: Jan Luebbe <[email protected]> Cc: Sam Ravnborg <[email protected]> Cc: Bernhard Walle <[email protected]> Cc: Michal Marek <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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