Daniel Mack 5d6b1edf8c [ARM] pxamci: call mmc_remove_host() before freeing resources ... mmc_remove_host() will cause the mmc core to switch off the bus power by eventually calling pxamci_set_ios(). This function uses the regulator or the GPIO which have been freed already. This causes the following Oops on module unload. [ 49.519649] Unable to handle kernel paging request at virtual address 30303a70 [ 49.526878] pgd = c7084000 [ 49.529563] [30303a70] *pgd=00000000 [ 49.533136] Internal error: Oops: 5 [#1] [ 49.537025] last sysfs file: /sys/devices/platform/pxa27x-ohci/usb1/1-1/1-1:1.0/host0/target0:0:0/0:0:0:0/scsi_level [ 49.547471] Modules linked in: pxamci(-) eeti_ts [ 49.552061] CPU: 0 Not tainted (2.6.32-rc8 #322) [ 49.557001] PC is at regulator_is_enabled+0x3c/0xbc [ 49.561846] LR is at regulator_is_enabled+0x30/0xbc [ 49.566691] pc : [<c01a2448>] lr : [<c01a243c>] psr: 60000013 [ 49.566702] sp : c7083e70 ip : 30303a30 fp : 00000000 [ 49.578093] r10: c705e200 r9 : c7082000 r8 : c705e2e0 [ 49.583280] r7 : c7061340 r6 : c7061340 r5 : c7083e70 r4 : 00000000 [ 49.589759] r3 : c04dc434 r2 : c04dc434 r1 : c03eecea r0 : 00000047 [ 49.596241] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 49.603329] Control: 0000397f Table: a7084018 DAC: 00000015 [ 49.609031] Process rmmod (pid: 1101, stack limit = 0xc7082278) [ 49.614908] Stack: (0xc7083e70 to 0xc7084000) [ 49.619238] 3e60: c7082000 c703c4f8 c705ea00 c04f4074 [ 49.627366] 3e80: 00000000 c705e3a0 ffffffff c0247ddc c70361a0 00000000 c705e3a0 ffffffff [ 49.635499] 3ea0: c705e200 bf006400 c78c4f00 c705e200 c705e3a0 ffffffff c705e200 ffffffff [ 49.643633] 3ec0: c04d8ac8 c02476d0 ffffffff c0247c60 c705e200 c0248678 c705e200 c0249064 [ 49.651765] 3ee0: ffffffff bf006204 c04d8ad0 c04d8ad0 c04d8ac8 bf007490 00000880 c00440c4 [ 49.659898] 3f00: 0000b748 c01c5708 bf007490 c01c44c8 c04d8ac8 c04d8afc bf007490 c01c4570 [ 49.668031] 3f20: bf007490 bf00750c c04f4258 c01c37a4 00000000 bf00750c c7083f44 c007b014 [ 49.676162] 3f40: 4000d000 6d617870 08006963 00000001 00000000 c7085000 00000001 00000000 [ 49.684287] 3f60: 4000d000 c7083f8c 00000001 bea01a54 00005401 c7ab1400 c00440c4 00082000 [ 49.692420] 3f80: bf00750c 00000880 c7083f8c 00000000 4000cfa8 00000000 00000880 bea01cc8 [ 49.700552] 3fa0: 00000081 c0043f40 00000000 00000880 bea01cc8 00000880 00000006 00000000 [ 49.708677] 3fc0: 00000000 00000880 bea01cc8 00000081 00000097 0000cca4 0000b748 00000000 [ 49.716802] 3fe0: 4001a4f0 bea01cc0 00018bf4 4001a4fc 20000010 bea01cc8 a063e021 a063e421 [ 49.724958] [<c01a2448>] (regulator_is_enabled+0x3c/0xbc) from [<c0247ddc>] (mmc_regulator_set_ocr+0x14/0xd8) [ 49.734836] [<c0247ddc>] (mmc_regulator_set_ocr+0x14/0xd8) from [<bf006400>] (pxamci_set_ios+0xd8/0x17c [pxamci]) [ 49.745044] [<bf006400>] (pxamci_set_ios+0xd8/0x17c [pxamci]) from [<c02476d0>] (mmc_power_off+0x50/0x58) [ 49.754555] [<c02476d0>] (mmc_power_off+0x50/0x58) from [<c0247c60>] (mmc_detach_bus+0x68/0xc4) [ 49.763207] [<c0247c60>] (mmc_detach_bus+0x68/0xc4) from [<c0248678>] (mmc_stop_host+0xd4/0x1bc) [ 49.771944] [<c0248678>] (mmc_stop_host+0xd4/0x1bc) from [<c0249064>] (mmc_remove_host+0xc/0x20) [ 49.780681] [<c0249064>] (mmc_remove_host+0xc/0x20) from [<bf006204>] (pxamci_remove+0xc8/0x174 [pxamci]) [ 49.790211] [<bf006204>] (pxamci_remove+0xc8/0x174 [pxamci]) from [<c01c5708>] (platform_drv_remove+0x1c/0x24) [ 49.800164] [<c01c5708>] (platform_drv_remove+0x1c/0x24) from [<c01c44c8>] (__device_release_driver+0x7c/0xc4) [ 49.810110] [<c01c44c8>] (__device_release_driver+0x7c/0xc4) from [<c01c4570>] (driver_detach+0x60/0x8c) [ 49.819535] [<c01c4570>] (driver_detach+0x60/0x8c) from [<c01c37a4>] (bus_remove_driver+0x90/0xcc) [ 49.828452] [<c01c37a4>] (bus_remove_driver+0x90/0xcc) from [<c007b014>] (sys_delete_module+0x1d8/0x254) [ 49.837891] [<c007b014>] (sys_delete_module+0x1d8/0x254) from [<c0043f40>] (ret_fast_syscall+0x0/0x28) [ 49.847145] Code: eb06c53a e596c030 e1a0500d e59f106c (e59c0040) [ 49.853566] ---[ end trace b5fa66a00cea142f ]--- Signed-off-by: Daniel Mack <daniel@caiaq.de> Reported-by: Sven Neumann <s.neumann@raumfeld.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: linux-mmc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: stable@kernel.org Signed-off-by: Eric Miao <eric.y.miao@gmail.com>		2009-12-02 22:58:19 +08:00
..
at91_mci.c	mmc: at91_mci: Don't include asm/mach/mmc.h	2009-10-22 08:22:25 +09:00
atmel-mci-regs.h
atmel-mci.c	Merge branch 'for-linus' of git://neil.brown.name/md	2009-09-24 07:55:29 -07:00
au1xmmc.c
cb710-mmc.c
cb710-mmc.h
imxmmc.c
imxmmc.h
Kconfig	s3cmci: make SDIO IRQ hardware IRQ support build-time configurable	2009-10-01 16:11:15 -07:00
Makefile	mmc: msm_sdccc: driver for HTC Dream	2009-09-23 07:39:32 -07:00
mmc_spi.c	spi: prefix modalias with "spi:"	2009-09-23 07:39:43 -07:00
mmci.c	ARM: 5731/2: Fix U300 generic GPIO, remove ifdefs from MMCI v3	2009-10-01 16:26:15 +01:00
mmci.h	ARM: 5721/1: MMCI enable the use of a regulator	2009-09-22 20:49:05 +01:00
msm_sdcc.c	msm_sdcc.c: move overly indented code to separate function	2009-09-23 07:39:33 -07:00
msm_sdcc.h	mmc: msm_sdccc: driver for HTC Dream	2009-09-23 07:39:32 -07:00
mvsdio.c
mvsdio.h
mxcmmc.c	trivial: fix typo "to to" in multiple files	2009-09-21 15:14:55 +02:00
of_mmc_spi.c
omap_hsmmc.c	omap_hsmmc: add missing probe handler hook	2009-10-29 07:39:25 -07:00
omap.c	mmci-omap: free irq resource	2009-11-12 07:25:57 -08:00
pxamci.c	[ARM] pxamci: call mmc_remove_host() before freeing resources	2009-12-02 22:58:19 +08:00
pxamci.h
ricoh_mmc.c
s3cmci.c	s3cmci: add better support for no card detect or write protect available	2009-10-01 16:11:15 -07:00
s3cmci.h	s3cmci: DMA fixes	2009-10-01 16:11:15 -07:00
sdhci-of.c	sdhci-of: cleanup eSDHC's set_clock() a little bit	2009-09-23 07:39:37 -07:00
sdhci-pci.c	sdhci: support for ADMA only hosts	2009-09-23 07:39:38 -07:00
sdhci-pltfm.c
sdhci-s3c.c
sdhci.c	sdhci: increase timeout for internal clock stabilization.	2009-09-23 07:39:40 -07:00
sdhci.h	sdhci: support for ADMA only hosts	2009-09-23 07:39:38 -07:00
sdricoh_cs.c
tifm_sd.c
tmio_mmc.c
tmio_mmc.h
via-sdmmc.c
wbsd.c
wbsd.h