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085eefb594
linux/arch/arm
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David Brownell 085eefb594 [ARM] 5316/1: AT91: oops (regression) fix on gpio irq 
From: David Brownell <dbrownell@users.sourceforge.net>

The "5298/1: Drop desc_handle_irq()" patch went overboard
and deleted an essential line of code, causing all AT91
GPIO interrupts to oops (in irq).  Trimmed example:

Unable to handle kernel NULL pointer dereference at virtual address 000000c4
...
PC is at gpio_irq_handler+0x78/0xd0
LR is at gpio_irq_handler+0x38/0xd0
...
Backtrace:
[<c0029884>] (gpio_irq_handler+0x0/0xd0) from [<c0020054>] (__exception_text_start+0x54/0x7c)
[<c0020000>] (__exception_text_start+0x0/0x7c) from [<c00209ec>] (__irq_svc+0x2c/0x60)
Exception stack(0xc1c1de00 to 0xc1c1de48)
[<c01f4ca8>] (_spin_unlock_irq+0x0/0x3c) from [<c01389f8>] (at91ether_open+0x220/0x318)
[<c01387d8>] (at91ether_open+0x0/0x318) from [<c018caa4>] (dev_open+0xa8/0x10c)
[<c018c9fc>] (dev_open+0x0/0x10c) from [<c018b874>] (dev_change_flags+0x98/0x164)
[<c018b7dc>] (dev_change_flags+0x0/0x164) from [<c0019f8c>] (ip_auto_config+0x164/0xe28)
[<c0019e28>] (ip_auto_config+0x0/0xe28) from [<c0020318>] (__exception_text_end+0x60/0x180)
[<c00202b8>] (__exception_text_end+0x0/0x180) from [<c0008738>] (kernel_init+0x70/0xd8)
[<c00086c8>] (kernel_init+0x0/0xd8) from [<c00398e0>] (do_exit+0x0/0x6ac)

This patch restores the missing line'o'code.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-22 19:40:06 +01:00
..
boot [ARM] 5229/3: Replace some ARMv7 opcodes with the instruction name 2008-10-03 11:32:09 +01:00
common [ARM] 5315/1: Fix section mismatch warning (sa1111) 2008-10-21 22:51:46 +01:00
configs Merge branch 'for-rmk' of git://git.android.com/kernel into devel 2008-10-22 19:34:09 +01:00
include/asm [PATCH] remove unused ibcs2/PER_SVR4 in SET_PERSONALITY 2008-10-16 15:40:05 +02:00
kernel Merge branch 's3c-move' into devel 2008-10-14 22:24:51 +01:00
lib Merge branch 'ptebits' into devel 2008-10-09 21:31:56 +01:00
mach-aaec2000 [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
mach-at91 [ARM] 5316/1: AT91: oops (regression) fix on gpio irq 2008-10-22 19:40:06 +01:00
mach-clps711x [ARM] clps711x: add sparsemem definitions 2008-10-21 23:31:23 +01:00
mach-clps7500 [ARM] mm: enable sparsemem on clps7500 and RiscPC 2008-10-01 17:24:04 +01:00
mach-davinci Merge branch 's3c-move' into devel 2008-10-14 22:24:51 +01:00
mach-ebsa110 [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
mach-ep93xx Merge branch 'pxa-all' into devel 2008-10-09 21:33:02 +01:00
mach-footbridge Merge branch 'pxa-all' into devel 2008-10-09 21:33:02 +01:00
mach-h720x Merge branch 'pxa-all' into devel 2008-10-09 21:33:02 +01:00
mach-imx Merge branch 'for-rmk' of git://pasiphae.extern.pengutronix.de/git/imx/linux-2.6.git 2008-10-09 21:33:03 +01:00
mach-integrator cpufreq: remove policy->governor setting in drivers initialization 2008-10-15 16:42:47 -07:00
mach-iop13xx misc: replace remaining __FUNCTION__ with __func__ 2008-10-20 16:17:42 -07:00
mach-iop32x [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
mach-iop33x [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
mach-ixp4xx [ARM] dmabounce requires ZONE_DMA 2008-10-17 14:00:43 +01:00
mach-ixp23xx Merge branch 'pxa-all' into devel 2008-10-09 21:33:02 +01:00
mach-ixp2000 genirq: fix name space collisions of nr_irqs in arch/* 2008-10-16 16:53:30 +02:00
mach-kirkwood [ARM] Orion: instantiate the dsa switch driver 2008-10-19 14:29:05 -04:00
mach-ks8695 Merge branches 'machtypes', 'core', 'ep93xx', 'ks8695', 'netdev' and 'sa1100' into devel 2008-10-09 21:31:54 +01:00
mach-l7200 [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
mach-lh7a40x Merge branch 'pxa-all' into devel 2008-10-09 21:33:02 +01:00
mach-loki Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2008-10-11 10:09:45 -07:00
mach-msm [ARM] msm: vreg interface to msm7k pmic 2008-10-22 02:41:00 -07:00
mach-mv78xx0 [ARM] mv78xx0: force link speed/duplex on eth2/eth3 2008-10-19 14:29:05 -04:00
mach-mx2 i.MX2: make SoC devices globally available 2008-09-09 10:19:41 +02:00
mach-mx3 Merge branch 'for-rmk' of git://source.mvista.com/git/linux-davinci-2.6.git 2008-10-09 21:33:05 +01:00
mach-netx Merge branch 'pxa-all' into devel 2008-10-09 21:33:02 +01:00
mach-ns9xxx Merge branch 'pxa-all' into devel 2008-10-09 21:33:02 +01:00
mach-omap1 Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2008-10-16 11:25:32 -07:00
mach-omap2 Merge branch 'genirq-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-10-20 13:23:01 -07:00
mach-orion5x [ARM] Orion: activate workaround for 88f6183 SPI clock erratum 2008-10-19 14:29:05 -04:00
mach-pnx4008 [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
mach-pxa Merge branch 'for-rmk' of git://git.android.com/kernel into devel 2008-10-22 19:34:09 +01:00
mach-realview [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
mach-rpc [ARM] mm: enable sparsemem on clps7500 and RiscPC 2008-10-01 17:24:04 +01:00
mach-s3c2400 [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
mach-s3c2410 Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2008-10-16 11:25:32 -07:00
mach-s3c2412 Merge branch 's3c-move' into devel 2008-10-14 22:24:51 +01:00
mach-s3c2440 Merge branch 's3c-move' into devel 2008-10-14 22:24:51 +01:00
mach-s3c2442 Merge branch 's3c-move' into devel 2008-10-14 22:24:51 +01:00
mach-s3c2443 Merge branch 'for-rmk-fixes' of git://aeryn.fluff.org.uk/bjdooks/linux 2008-10-17 14:29:03 +01:00
mach-sa1100 ide: remove dead <asm-arm/arch-sa1100/ide.h> 2008-10-17 18:09:15 +02:00
mach-shark [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
mach-versatile Merge branch 's3c-move' into devel 2008-10-14 22:24:51 +01:00
mm Merge branch 'for-rmk' of git://git.android.com/kernel into devel 2008-10-22 19:34:09 +01:00
nwfpe [ARM] Convert asm/uaccess.h to linux/uaccess.h 2008-09-06 11:35:55 +01:00
oprofile [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
plat-iop [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
plat-mxc Merge git://git.infradead.org/mtd-2.6 2008-10-20 09:03:12 -07:00
plat-omap Merge git://git.infradead.org/mtd-2.6 2008-10-20 09:03:12 -07:00
plat-orion [ARM] Move include/asm-arm/plat-orion to arch/arm/plat-orion/include/plat 2008-08-09 13:44:58 +02:00
plat-s3c [ARM] S3C24XX: Additional include moves 2008-10-07 23:09:51 +01:00
plat-s3c24xx Merge branch 'for-rmk-fixes' of git://aeryn.fluff.org.uk/bjdooks/linux 2008-10-17 14:29:03 +01:00
tools [ARM] Update mach-types 2008-09-25 10:12:25 +01:00
vfp [ARM] 5227/1: Add the ENDPROC declarations to the .S files 2008-09-01 12:06:34 +01:00
Kconfig Merge branch 'for-rmk' of git://git.android.com/kernel into devel 2008-10-22 19:34:09 +01:00
Kconfig-nommu [ARM] 4532/1: allow configuration of processor ID 2007-10-12 23:43:02 +01:00
Kconfig.debug [ARM] CONFIG_DEBUG_STACK_USAGE 2008-01-26 14:50:06 +00:00
Makefile [ARM] msm: rename ARCH_MSM7X00A to ARCH_MSM 2008-10-22 02:39:32 -07:00