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2012-01-05ARM: restart: lpc32xx: use new restart hookRussell King
Hook these platforms restart code into the arm_pm_restart hook rather than using arch_reset(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: ks8695: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: kirkwood: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: ixp4xx: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Acked-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: ixp23xx: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). In doing so, we split out the ixdp2351 restart code into its own platform file. Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: ixp2000: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). In doing so, we split out the IXDP2401, IXDP2801 and IXDP2805 platform specific restart code into their own platform files. Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: iop13xx: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: iop3xx: use new restart hookRussell King
Hook these platforms restart code into the arm_pm_restart hook rather than using arch_reset(). In doing so, we split out the n2100 platform specific restart handler into the n2100 platform file. Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: integrator: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: highbank: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Acked-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: h720x: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: footbridge: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: 7262/1: restart: EXYNOS: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). [kgene.kim@samsung.com: according to local header, updated] Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: ep93xx: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: ebsa110: use new restart hookRussell King
Hook the EBSA110 platform restart code into the new restart hook rather than using arch_reset(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: dove: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: 7190/1: restart: davinci: use new restart hookSekhar Nori
Rather than using DaVinci specific davinci_soc_info based restart hook, use the restart hook available in the machine descriptor instead. Tested on DM365 and AM18x EVMs. v2: Changed to use restart hook in machine descriptor per Russell's comment. Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: cns3xxx: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Acked-by: Anton Vorontsov <cbouatmailru@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: clps711x: use new restart hookRussell King
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: bcmring: use new restart hookRussell King
Hook the Shark restart code into the new restart hook rather than using arch_reset(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: at91: use new restart hookRussell King
Rather than using a private function pointer, use the existing arm_pm_restart function pointer instead. We no longer need to enable the I-cache in at91sam9_alt_reset() as the caches will now be on when this function is called. Update the function names to use the 'restart' terminology rather than the 'reboot' terminology. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: remove s3c24xx restart handlerRussell King
Remove the s3c24xx restart handler, which is trying to work around a chip bug by keeping caches on but flushed. As we now only disable caches when performing a soft reboot, there doesn't need to be a work-around to do that. Acked-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05Merge branch 'restart-cleanup' into restartRussell King
Conflicts: arch/arm/kernel/setup.c
2012-01-05Merge branch 'for-russell' of git://hansjkoch.de/git/linux-tcc into HEADRussell King
Conflicts: arch/arm/plat-omap/include/plat/common.h
2012-01-05arm: Remove plat-tcc directoryHans J. Koch
The Telechips ARM architecture is being removed. This patch deletes the arch/arm/plat-tcc/ folder. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Harry Sievers <hsievers@csselectronic.com> Signed-off-by: Hans J. Koch <hjk@hansjkoch.de>
2012-01-05arm: Remove mach-tcc8k directoryHans J. Koch
The Telechips ARM architecture is being removed. This patch deletes the arch/arm/mach-tcc8k/ folder. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Harry Sievers <hsievers@csselectronic.com> Signed-off-by: Hans J. Koch <hjk@hansjkoch.de>
2012-01-05arm: Remove TCC subarch from Kconfig/MakefileHans J. Koch
The Telechips subarchitecture is being completely removed. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Harry Sievers <hsievers@csselectronic.com> Signed-off-by: Hans J. Koch <hjk@hansjkoch.de>
2012-01-04ARM: prom.h: Fix build error by removing unneeded header fileFabio Estevam
Fix the following build error: CC [M] fs/udf/balloc.o In file included from /home/fabio/next/linux-next/arch/arm/include/asm/prom.h:16, from include/linux/of.h:140, from include/asm-generic/gpio.h:7, from arch/arm/plat-mxc/include/mach/irqs.h:14, from /home/fabio/next/linux-next/arch/arm/include/asm/irq.h:4, from /home/fabio/next/linux-next/arch/arm/include/asm/hardirq.h:6, from include/linux/hardirq.h:7, from include/linux/highmem.h:8, from include/linux/pagemap.h:10, from include/linux/buffer_head.h:13, from fs/udf/udfdecl.h:11, from fs/udf/balloc.c:22: /home/fabio/next/linux-next/arch/arm/include/asm/setup.h:146: error: redefinition of 'struct tag' Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> [grant.likely: fix build failure on drivers/of/fdt.c] Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-01-04Merge branch 'spi/next' (early part) into spi/mergeGrant Likely
2012-01-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2012-01-04Merge branch 'for-usb-next' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-next * 'for-usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci: xhci: Clean up 32-bit build warnings. xhci: Properly handle COMP_2ND_BW_ERR
2012-01-04mwl8k: Changing the driver version to 0.13Yogesh Ashok Powar
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-04xhci: Clean up 32-bit build warnings.Sarah Sharp
Randy Dunlap points out that commit 9258c0b2 "xhci: Better debugging for critical host errors." introduces some new build warnings on 32-bit builds: drivers/usb/host/xhci-ring.c:1936:3: warning: format '%016llx' expects type 'long long unsigned int', but argument 3 has type 'dma_addr_t' drivers/usb/host/xhci-ring.c:1958:3: warning: format '%016llx' expects type 'long long unsigned int', but argument 3 has type 'dma_addr_t' Cast the results of xhci_trb_virt_to_dma() from a dma_addr_t to an unsigned long long. Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Reported-by: Randy Dunlap <rdunlap@xenotime.net>
2012-01-04firmware: Fix an oops on reading fw_priv->fw in sysfs loading fileNeil Horman
This oops was reported recently: firmware_loading_store+0xf9/0x17b dev_attr_store+0x20/0x22 sysfs_write_file+0x101/0x134 vfs_write+0xac/0xf3 sys_write+0x4a/0x6e system_call_fastpath+0x16/0x1b The complete backtrace was unfortunately not captured, but details can be found here: https://bugzilla.redhat.com/show_bug.cgi?id=769920 The cause is fairly clear. Its caused by the fact that firmware_loading_store has a case 0 in its switch statement that reads and writes the fw_priv->fw poniter without the protection of the fw_lock mutex. since there is a window between the time that _request_firmware sets fw_priv->fw to NULL and the time the corresponding sysfs file is unregistered, its possible for a user space application to race in, and write a zero to the loading file, causing a NULL dereference in firmware_loading_store. Fix it by extending the protection of the fw_lock mutex to cover all of the firware_loading_store function. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04tty: serial: imx: move del_timer_sync() to avoid potential deadlockEric Miao
del_timer_sync() acquires its own lock and doesn't have to be nested within the spinlock of sport->port.lock in imx_set_termios(), which will cause potential deadlock. Fix this by moving it outside. Cc: Fabio Estevam <fabio.estevam@freescale.com> Cc: Shawn Guo <shawn.guo@linaro.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Eric Miao <eric.miao@linaro.org> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04imx: add polled io uart methodsSaleem Abdulrasool
These methods are invoked if the iMX uart is used in conjuction with kgdb during early boot. In order to access the UART without the interrupts, the kernel uses the basic polling methods for IO with the device. With these methods implemented, it is now possible to enable kgdb during early boot over serial. Signed-off-by: Saleem Abdulrasool <compnerd@compnerd.org> Signed-off-by: Dirk Behme <dirk.behme@gmail.com> CC: Sascha Hauer <s.hauer@pengutronix.de> CC: Fabio Estevam <festevam@gmail.com> CC: Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> CC: linux-serial@vger.kernel.org CC: Alan Cox <alan@linux.intel.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04imx: Add save/restore functions for UART control regsDirk Behme
Factor out the uart save/restore functionality instead of having the same code several times in the driver. Signed-off-by: Dirk Behme <dirk.behme@gmail.com> CC: Saleem Abdulrasool <compnerd@compnerd.org> CC: Sascha Hauer <s.hauer@pengutronix.de> CC: Fabio Estevam <festevam@gmail.com> CC: Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> CC: linux-serial@vger.kernel.org CC: Alan Cox <alan@linux.intel.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04serial/imx: let probing fail for the dt case without a valid aliasUwe Kleine-König
When the uart device is instantiated by dt but dt doesn't provide an alias then better let probing fail instead of falling back to an unrelated device id used for the line number and no platform data. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04serial/imx: propagate error from of_alias_get_id instead of using -ENODEVUwe Kleine-König
A quick look at of_alias_get_id shows that in the error case it returns -ENODEV, too, but still it's better style to propagate the value as is. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Shawn Guo <shawn.guo@linaro.org> Cc: Alan Cox <alan@linux.intel.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Jeremy Kerr <jeremy.kerr@canonical.com> Cc: Jason Liu <jason.hui@linaro.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Jason Liu <jason.hui@linaro.org> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04tty: serial: imx: Allow UART to be a source for wakeupFabio Estevam
Allow UART to be a source for wakeup from low power mode. Tested on a MX27PDK by doing: echo enabled > /sys/devices/platform/imx21-uart.0/tty/ttymxc0/power/wakeup echo mem > /sys/power/state and then pressing a key in the console will wakeup the sytem. Suggested-by: Shawn Guo <shawn.guo@freescale.com> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Tested-by: Richard Zhao <richard.zhao@freescale.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04serial: driver for m32 arch should not have DEC alpha errataPaul Gortmaker
This driver was copied from the original 8250 driver and hence got the DEC alpha errata workaround. But the workaround is ugly and we don't really want it in any more places than it absolutely needs to be. Obviously ARCH=m32r means ARCH != alpha, so just remove the references to the ALPHA_KLUDGE_MCR define. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04serial/documentation: fix documented name of DCD cpp symbolUwe Kleine-König
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Alan Cox <alan@linux.intel.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04atmel_serial: fix spinlock lockup in RS485 codeClaudio Scordino
Patch to fix a spinlock lockup in the driver that sometimes happens when the tasklet starts. Signed-off-by: Claudio Scordino <claudio@evidence.eu.com> Signed-off-by: Dave Bender <codehero@gmail.com> Tested-by: Dave Bender <codehero@gmail.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Alan Cox <alan@linux.intel.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04tty: Fix memory leak in virtual console when enable unicode translationZeng Zhaoming
Virtual console unicode translation map leaks with following message when enable kmemleak: unreferenced object 0xeb5ec450 (size 192): comm "setfont", pid 665, jiffies 4294899028 (age 3696.220s) hex dump (first 32 bytes): e0 5b 9d eb 00 00 00 00 00 00 00 00 80 b9 ea eb .[.............. b0 5a 9d eb 00 00 00 00 00 00 00 00 00 00 00 00 .Z.............. backtrace: [<c1533f8c>] kmemleak_alloc+0x3c/0xa0 [<c114acc2>] kmem_cache_alloc_trace+0xe2/0x250 [<c13498e8>] con_clear_unimap+0x78/0xd0 [<c1345552>] vt_ioctl+0x1562/0x1d00 [<c133aa00>] tty_ioctl+0x230/0x7c0 [<c1171519>] do_vfs_ioctl+0x79/0x2d0 [<c11717df>] sys_ioctl+0x6f/0x80 [<c156601f>] sysenter_do_call+0x12/0x38 [<ffffffff>] 0xffffffff unreferenced object 0xeb9d5be0 (size 128): comm "setfont", pid 660, jiffies 4294899030 (age 3696.212s) hex dump (first 32 bytes): 60 c2 a6 eb 50 c8 a6 eb c0 54 9d eb 80 59 9d eb `...P....T...Y.. 90 53 9d eb 60 52 9d eb 60 92 9b eb 00 00 00 00 .S..`R..`....... backtrace: [<c1533f8c>] kmemleak_alloc+0x3c/0xa0 [<c114acc2>] kmem_cache_alloc_trace+0xe2/0x250 [<c134938c>] con_insert_unipair+0x7c/0x150 [<c1349f8c>] con_set_unimap+0x15c/0x1f0 [<c13456fb>] vt_ioctl+0x170b/0x1d00 [<c133aa00>] tty_ioctl+0x230/0x7c0 [<c1171519>] do_vfs_ioctl+0x79/0x2d0 [<c11717df>] sys_ioctl+0x6f/0x80 [<c156601f>] sysenter_do_call+0x12/0x38 [<ffffffff>] 0xffffffff The leak caused by con_set_default_unimap() not correct free the old map. Signed-off-by: Zeng Zhaoming <zengzm.kernel@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04serial: use DIV_ROUND_CLOSEST instead of open coding itUwe Kleine-König
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04Drivers:hv: Fix a bug in vmbus_driver_unregister()K. Y. Srinivasan
The function vmbus_exists() was introduced recently to deal with cases where the vmbus driver failed to initialize and yet other Hyper-V drivers attempted to register with the vmbus bus driver. This patch introduced a bug where vmbus_driver_unregister() would fail to unregister the driver. This patch fixes the problem. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Fuzhou Chen <fuzhouch@microsoft.com> Cc: Sasha Levin <levinsasha928@gmail.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04net/hyperv: Add support for jumbo frame up to 64KBHaiyang Zhang
Allow the user set the MTU up to 65536 for Linux guests running on Hyper-V 2008 R2 or later. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04net/hyperv: Add NETVSP protocol version negotiationHaiyang Zhang
Automatically negotiate the highest protocol version mutually recognized by both host and guest. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04net/hyperv: Remove unnecessary kmap_atomic in netvsc driverHaiyang Zhang
__get_free_pages() doesn't return HI memory, so the memory is always mapped. kmap_atomic() is not necessary here. This patch removes the kmap_atomic() calls and related code for locking and page manipulation. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04USB: update documentation for usbmonAlan Stern
The documentation for usbmon is out of date; the usbfs "devices" file now exists in /sys/kernel/debug/usb rather than /proc/bus/usb. This patch (as1505) updates the documentation accordingly, and also mentions that the necessary information can be found by running lsusb. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> CC: Pete Zaitcev <zaitcev@redhat.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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