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2012-05-11sparc32: Kill asm/vac-ops.hDavid S. Miller
All sun4/sun4c stuff and unused. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: Stop warning about sun4/sun4c in SMP Kconfig option.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: Remove sun4c floppy assembler.David S. Miller
There were two blocks of code for the two ways to twiddle the terminal count pin in the AUXIO register, one for sun4c and one for sun4m. Kill the former. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: Put back SPARC_BRANCH.David S. Miller
It's needed for the floppy interrupt trap table patching. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: Kill SUN4C_LOCK_{VADDR,END} and associated comment.David S. Miller
No longer used. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc: Clear out unused asm/machines.h values.David S. Miller
Remove sun4 and sun4c machine ID values from asm/machines.h Also kill NUM_SUN_MACHINES, use ARRAY_SIZE instead. Kill asm/machines.h include and sun4c checks from asm/floppy_32.h Remove asm/machines.h include from setup_32.c and time_32.c, unused. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc: Convert some assembler over to linakge.h's ENTRY/ENDPROCDavid S. Miller
Use those, instead of doing it all by hand. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: Remove inline strncmp "optimization" for constant counts.David S. Miller
Let the compiler do stuff like this. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: use inline versions of pgprot_noncached, pte_to_pgoff and pgoff_to_pteSam Ravnborg
We no longer have different versions of these so use a few simple static inline functions. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: drop btfixup for alloc_thread_info_node/free_thread_infoSam Ravnborg
Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: drop sun4c bits from head_32.SSam Ravnborg
As we no longer support sun4c we can remove all the code to support remapping the kernel in head_32.S. We also try to tell the user that the machine is not support, in case someone try to boot the kernel on a sun4c one day Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: drop test for sun4c in signal_32Sam Ravnborg
Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: drop sun4c user stack checking routineSam Ravnborg
With this we no longer do any run-time patchings of traps. So drop the function + macro to support this. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: drop sun4c stack checking routineSam Ravnborg
And drop run-time patching too. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: drop sun4c window overflow stack checking routineSam Ravnborg
Also drop run-time patching for srmmu Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: drop sun4c specific stack validationSam Ravnborg
This allows us to kill run-time patching for this function too Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: delete pgtsun4c.hSam Ravnborg
Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: remove all uses of ARCH_SUN4CSam Ravnborg
Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: drop sun4c specific ___xchg32 implementationSam Ravnborg
Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: remove sun4c trapsSam Ravnborg
We used to runtime patch the trap table for srmmu. With the removal of sun4c support this is no longer required. With the sun4c trap removed we can remove all the referenced trap handling which is sun4c specific. This also allows us to get rid of the nosun4c.c file that contained only dummy functions/data. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: remove calls to sun4c dummy mm inits functionsSam Ravnborg
Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-11sparc32: drop sun4c supportSam Ravnborg
Machines with sun4c support are very rare these days, and noone is using them for any practical purposes. The sun4c support has been know broken for quite some time too. So rather than trying to keep it up-to-date, lets get rid of it. This allows us to do some very welcome cleanup of sparc32 support. Updated the former sun4c specifc nmi (which was also used for sun4m UP) to be a generic UP NMI. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-12ARM: mxs: enable pinctrl supportShawn Guo
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-05-12video: mxsfb: adopt pinctrl supportShawn Guo
Cc: linux-fbdev@vger.kernel.org Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-05-12ASoC: mxs-saif: adopt pinctrl supportShawn Guo
Cc: alsa-devel@alsa-project.org Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-05-12i2c: mxs: adopt pinctrl supportShawn Guo
Cc: linux-i2c@vger.kernel.org Cc: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-05-12mtd: nand: gpmi: adopt pinctrl supportShawn Guo
Cc: linux-mtd@lists.infradead.org Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-05-12mmc: mxs-mmc: adopt pinctrl supportShawn Guo
Cc: linux-mmc@vger.kernel.org Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Chris Ball <cjb@laptop.org>
2012-05-12serial: mxs-auart: adopt pinctrl supportShawn Guo
Cc: linux-serial@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-05-12serial: amba-pl011: adopt pinctrl supportShawn Guo
Cc: linux-serial@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-05-12spi/imx: adopt pinctrl supportShawn Guo
Cc: spi-devel-general@lists.sourceforge.net Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
2012-05-12i2c: imx: adopt pinctrl supportShawn Guo
Cc: linux-i2c@vger.kernel.org Cc: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
2012-05-12can: flexcan: adopt pinctrl supportShawn Guo
Cc: linux-can@vger.kernel.org Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
2012-05-12net: fec: adopt pinctrl supportShawn Guo
Cc: netdev@vger.kernel.org Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Dong Aisheng <dong.aisheng@linaro.org> Acked-by: David S. Miller <davem@davemloft.net>
2012-05-12dm mpath: check if scsi_dh module already loaded before trying to loadMike Snitzer
If the requested scsi_dh module is already loaded then skip request_module(). Multipath table loads can hang in an unnecessary __request_module. Reported-by: Ben Marzinski <bmarzins@redhat.com> Cc: stable@kernel.org Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2012-05-12dm thin: correct module descriptionAlasdair G Kergon
Remove duplicate copy of string "device-mapper" (DM_NAME) from MODULE_DESCRIPTION. Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2012-05-12dm thin: fix unprotected use of prepared_discards listMike Snitzer
Fix two places in commit 104655fd4dce ("dm thin: support discards") that didn't use pool->lock to protect against concurrent changes to the prepared_discards list. Without this fix, thin_endio() can race with process_discard(), leading to concurrent list_add()s that result in the processes locking up with an error like the following: WARNING: at lib/list_debug.c:32 __list_add+0x8f/0xa0() ... list_add corruption. next->prev should be prev (ffff880323b96140), but was ffff8801d2c48440. (next=ffff8801d2c485c0). ... Pid: 17205, comm: kworker/u:1 Tainted: G W O 3.4.0-rc3.snitm+ #1 Call Trace: [<ffffffff8103ca1f>] warn_slowpath_common+0x7f/0xc0 [<ffffffff8103cb16>] warn_slowpath_fmt+0x46/0x50 [<ffffffffa04f6ce6>] ? bio_detain+0xc6/0x210 [dm_thin_pool] [<ffffffff8124ff3f>] __list_add+0x8f/0xa0 [<ffffffffa04f70d2>] process_discard+0x2a2/0x2d0 [dm_thin_pool] [<ffffffffa04f6a78>] ? remap_and_issue+0x38/0x50 [dm_thin_pool] [<ffffffffa04f7c3b>] process_deferred_bios+0x7b/0x230 [dm_thin_pool] [<ffffffffa04f7df0>] ? process_deferred_bios+0x230/0x230 [dm_thin_pool] [<ffffffffa04f7e42>] do_worker+0x52/0x60 [dm_thin_pool] [<ffffffff81056fa9>] process_one_work+0x129/0x450 [<ffffffff81059b9c>] worker_thread+0x17c/0x3c0 [<ffffffff81059a20>] ? manage_workers+0x120/0x120 [<ffffffff8105eabe>] kthread+0x9e/0xb0 [<ffffffff814ceda4>] kernel_thread_helper+0x4/0x10 [<ffffffff8105ea20>] ? kthread_freezable_should_stop+0x70/0x70 [<ffffffff814ceda0>] ? gs_change+0x13/0x13 ---[ end trace 7e0a523bc5e52692 ]--- Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2012-05-12dm thin: reinstate missing mempool_free in cell_release_singletonMike Snitzer
Fix a significant memory leak inadvertently introduced during simplification of cell_release_singleton() in commit 6f94a4c45a6f744383f9f695dde019998db3df55 ("dm thin: fix stacked bi_next usage"). A cell's hlist_del() must be accompanied by a mempool_free(). Use __cell_release() to do this, like before. Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2012-05-11gpio/exynos: Fix compiler warnings when non-exynos machines are selectedSachin Kamat
Fixes the following compiler warnings: drivers/gpio/gpio-samsung.c: In function ‘samsung_gpiolib_init’: drivers/gpio/gpio-samsung.c:2980:1: warning: label ‘err_ioremap1’ defined but not used [-Wunused-label] drivers/gpio/gpio-samsung.c:2978:1: warning: label ‘err_ioremap2’ defined but not used [-Wunused-label] drivers/gpio/gpio-samsung.c:2976:1: warning: label ‘err_ioremap3’ defined but not used [-Wunused-label] drivers/gpio/gpio-samsung.c:2974:1: warning: label ‘err_ioremap4’ defined but not used [-Wunused-label] drivers/gpio/gpio-samsung.c:2722:55: warning: unused variable ‘gpio_base4’ [-Wunused-variable] drivers/gpio/gpio-samsung.c:455:32: warning: ‘exynos_gpio_cfg’ defined but not used [-Wunused-variable] drivers/gpio/gpio-samsung.c:2126:33: warning: ‘exynos4_gpios_1’ defined but not used [-Wunused-variable] drivers/gpio/gpio-samsung.c:2228:33: warning: ‘exynos4_gpios_2’ defined but not used [-Wunused-variable] drivers/gpio/gpio-samsung.c:2373:33: warning: ‘exynos4_gpios_3’ defined but not used [-Wunused-variable] Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-05-11gpio: pch9: Use proper flow type handlersThomas Gleixner
Jean-Francois Dagenais reported: Configuring a gpio pin with the gpio-pch driver with "IRQF_TRIGGER_LOW | IRQF_ONESHOT" generates an interrupt storm for threaded ISR until the ISR thread actually gets to physically clear the interrupt on the triggering chip!! The immediate observable symptom is the high CPU usage for my ISR thread task and the interrupt count in /proc/interrupts incrementing radically. The driver is wrong in several ways: 1) Using handle_simple_irq() does not provide proper flow control handling. In the case of oneshot threaded handlers for the demultiplexed interrupts this results in an interrupt storm because the simple handler does not deal with masking/unmasking. Even without threaded oneshot handlers an interrupt storm for level type interrupts can easily be triggered when the interrupt is disabled and the interrupt line is activated from the device. 2) Acknowlegding the demultiplexed interrupt before calling the handler is wrong for level type interrupts. 3) The set_type function unconditionally enables the interrupt. It's supposed to set the type and nothing else. The unmasking is done by the core code. Move the acknowledge code into a separate function and add it to the demux irqchip callbacks. Remove the unconditional enabling from the set_type() callback and set the proper flow handlers depending on the selected type (level/edge). Reported-and-tested-by: Jean-Francois Dagenais <jeff.dagenais@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-05-11usb: move struct usb_device->children to struct usb_hub_port->childLan Tianyu
Move child's pointer to the struct usb_hub_port since the child device is directly associated with the port. Provide usb_get_hub_child_device() to get child's pointer. Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-11usb: add struct usb_hub_port to store port related members.Lan Tianyu
Add struct usb_hub_port pointer port_data in the struct usb_hub and allocate struct usb_hub_port perspectively for each ports to store private data. Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-11usb: Set device removable state based on ACPI USB dataMatthew Garrett
ACPI offers two methods that allow us to infer whether or not a USB port is removable. The _PLD method gives us information on whether the port is "user visible" or not. If that's not present then we can fall back to the _UPC method which tells us whether or not a port is connectable. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-11usb: Bind devices to ACPI devices when possibleMatthew Garrett
Built-in USB devices will typically have a representation in the system ACPI tables. Add support for binding the two together so the USB code can make use of the associated methods. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-11ACPI: Add _PLD supportMatthew Garrett
Add a simple helper function to allow drivers to obtain the physical device location data. Acked-by: Len Brown <len.brown@intel.com> Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-11ACPI: Add stubs for (un)register_acpi_bus_typeMatthew Garrett
It's unreasonable to have CONFIG_ACPI for these in drivers, so add some stub functions. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-11MAINTAINERS: Add an entry for ChipIdea USB driverAlexander Shishkin
Now that the ChipIdea driver and related platform code has its own location in the kernel and more contributions from the interested parties are anticipated, add a new maintainer for it. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-11usb: gadget: remove langwell_udcAlexander Shishkin
We have the chipidea driver now that supports both langwell and penwell, so there is no need for this one any more. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-11usb: chipidea: drop unused field "device" from ci13xxx_epAlexander Shishkin
It was used as a shorthand for gadget's device in request mapping/unmapping code, but now it's not used any more. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-11usb: chipidea: use generic map/unmap routinesAlexander Shishkin
We're one of the remaining drivers to map/unmap requests by hand. Switch to using generic gadget routines for that instead. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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