kernel-hacking-2024-linux-s.../drivers
Aaro Koskinen 532f649f14 sisfb: change SiS_DDC_Port type to SISIOADDRESS
The patch enables the driver to be used on platforms such as ARM where an
I/O address is a 32-bit memory address.

The patch avoids the following kernel oops:

debian:~# modprobe sisfb
[   73.070000] sisfb: Video ROM found
[   73.080000] sisfb: Video RAM at 0x80000000, mapped to 0xe0a00000, size 1024k
[   73.090000] sisfb: MMIO at 0x84080000, mapped to 0xe0b80000, size 256k
[   73.090000] sisfb: Memory heap starting at 800K, size 32K
[   73.360000] Unable to handle kernel paging request at virtual address 6e000844
[   73.380000] pgd = df230000
[   73.380000] [6e000844] *pgd=00000000
[   73.380000] Internal error: Oops: 8f5 [#1]
[   73.380000] Modules linked in: sisfb(+) fb cfbcopyarea cfbimgblt cfbfillrect
[   73.380000] CPU: 0    Not tainted  (2.6.31-iop32x #1)
[   73.380000] PC is at SiS_SetRegANDOR+0x10/0x38 [sisfb]
[   73.380000] LR is at SiS_SetSCLKHigh+0x38/0x94 [sisfb]
[   73.380000] pc : [<bf01dc00>]    lr : [<bf0238f8>]    psr: 60000013
[   73.380000] sp : df38fd00  ip : 6e000000  fp : 00000002
[   73.380000] r10: 00000108  r9 : 00000000  r8 : 00000108
[   73.380000] r7 : df064258  r6 : 00000110  r5 : 6e000844  r4 : 0000010a
[   73.380000] r3 : 00000001  r2 : 0000000e  r1 : 00000011  r0 : 00000844
[   73.380000] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
[   73.380000] Control: 0000397f  Table: bf230000  DAC: 00000015
[   73.380000] Process modprobe (pid: 1849, stack limit = 0xdf38e270)
[   73.380000] Stack: (0xdf38fd00 to 0xdf390000)
[   73.380000] fd00: 0000010a 00000108 df064258 df064258 df064258 00000000 00000000 bf02c4e0
[   73.380000] fd20: 00000114 bf02c50c 00000013 00000114 0000010a df064258 00000000 bf02c980
[   73.380000] fd40: 00009c66 00000004 00000001 df064250 a0010000 a6a2a0a0 df064250 00000003
[   73.380000] fd60: df064250 00000000 df064258 0000fffd 00000000 00000000 00000000 bf033948
[   73.380000] fd80: 00000000 00000000 00000000 bf019e2c 00000000 df064a70 bf03b470 00010000
[   73.380000] fda0: 00000000 df064250 00000000 df831c00 00000012 bf039f70 00000000 c00abed8
[   73.380000] fdc0: 000008a6 000008a4 df0649b0 df064878 df064258 df064000 00000000 00000000
[   73.380000] fde0: 00000001 00008000 00000001 00030000 df81c930 bf049f88 df831c00 00000000
[   73.380000] fe00: bf049f58 df3952a0 c0447708 bf049f88 bf049fe0 c0191980 df831c00 c0191b10
[   73.380000] fe20: df831c58 bf049f58 df831c00 bf04aca8 df3952a0 df831c58 df831c58 bf049f88
[   73.380000] fe40: c01ba1b4 c01ba0a0 df831c58 df831c8c bf049f88 c01ba1b4 df3952a0 00000000
[   73.380000] fe60: c03e265c c01ba240 00000000 df38fe78 bf049f88 c01b990c df812938 df81b8d0
[   73.380000] fe80: df3952a0 df807780 00000000 00000060 bf049f88 c01b9224 bf0429c8 00000000
[   73.380000] fea0: bf049f58 00000000 bf049f88 00000000 00000000 bf04aea8 00000000 c01ba4e4
[   73.380000] fec0: e09861a0 bf049f58 00000000 bf049f88 00000000 c0191f20 00000000 00000000
[   73.380000] fee0: c03f7bac bf04d418 0000fff2 0000fff1 bf04ad08 0002f260 0002f260 e0986038
[   73.380000] ff00: e0986150 e098568b df143340 e0990280 00000036 c03d8b00 fffffffd 00000000
[   73.380000] ff20: bf04acfc 00000000 fffffffc 0003cf4b 00018098 c03f7bac 00000000 bf04d000
[   73.380000] ff40: df38e000 00000000 bedc0984 c00272a4 ffffffff c005bc88 00000000 00000000
[   73.380000] ff60: 0003cf4b 0003cf4b 00018098 bf04acfc 00000000 c0027fe8 df38e000 00000000
[   73.380000] ff80: bedc0984 c006882c 00001000 00000003 00000000 00009064 00000000 00008edc
[   73.380000] ffa0: 00000080 c0027e20 00009064 00000000 4014e000 0003cf4b 00018098 0003cf4b
[   73.380000] ffc0: 00009064 00000000 00008edc 00000080 00000000 00000000 40025000 bedc0984
[   73.380000] ffe0: 00000000 bedc08fc 0000b6b0 400e8f34 60000010 4014e000 00000000 00000000
[   73.380000] [<bf01dc00>] (SiS_SetRegANDOR+0x10/0x38 [sisfb]) from [<df064258>] (0xdf064258)
[   73.380000] Code: e92d0030 e20110ff e280546e e3a0c46e (e5c51000)
[   73.680000] ---[ end trace 62a93e01df37a5f2 ]---

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-23 07:39:57 -07:00
..
accessibility
acpi x86: Trivial whitespace cleanups 2009-09-20 20:18:57 +02:00
amba
ata trivial: fix comment typo in drivers/ata/pata_hpt37x.c 2009-09-21 15:15:53 +02:00
atm
auxdisplay
base mm: oom analysis: add shmem vmstat 2009-09-22 07:17:27 -07:00
block seq_file: constify seq_operations 2009-09-23 07:39:29 -07:00
bluetooth
cdrom const: make block_device_operations const 2009-09-22 07:17:25 -07:00
char BUILD_BUG_ON(): fix it and a couple of bogus uses of it 2009-09-23 07:39:29 -07:00
clocksource
connector proc connector: add event for process becoming session leader 2009-09-23 07:39:29 -07:00
cpufreq
cpuidle cpuidle: menu governor: reduce latency on exit 2009-09-22 07:17:45 -07:00
crypto
dca
dio
dma
edac trivial: fix typo "for for" in multiple files 2009-09-21 15:14:54 +02:00
eisa
firewire
firmware mm: don't use alloc_bootmem_low() where not strictly needed 2009-09-22 07:17:38 -07:00
gpio gpio: gpio support for ADP5520/ADP5501 MFD PMICs 2009-09-23 07:39:48 -07:00
gpu Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-09-22 07:51:45 -07:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2009-09-22 07:51:28 -07:00
hwmon spi: prefix modalias with "spi:" 2009-09-23 07:39:43 -07:00
i2c [PATCH] i2c-imx: make bus available early 2009-09-19 23:36:56 +01:00
ide Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-09-22 07:51:45 -07:00
idle
ieee1394
ieee802154
infiniband walk system ram range 2009-09-23 07:39:41 -07:00
input spi: prefix modalias with "spi:" 2009-09-23 07:39:43 -07:00
isdn seq_file: constify seq_operations 2009-09-23 07:39:29 -07:00
leds spi: prefix modalias with "spi:" 2009-09-23 07:39:43 -07:00
lguest trivial: fix typo "to to" in multiple files 2009-09-21 15:14:55 +02:00
macintosh trivial: remove unnecessary semicolons 2009-09-21 15:14:58 +02:00
mca
md Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-09-22 07:51:45 -07:00
media Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-09-22 07:51:45 -07:00
memstick const: make block_device_operations const 2009-09-22 07:17:25 -07:00
message Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-09-22 07:51:45 -07:00
mfd mfd/gpio: add a GPIO interface to the UCB1400 MFD chip driver via gpiolib 2009-09-23 07:39:48 -07:00
misc spi: prefix modalias with "spi:" 2009-09-23 07:39:43 -07:00
mmc spi: prefix modalias with "spi:" 2009-09-23 07:39:43 -07:00
mtd spi: prefix modalias with "spi:" 2009-09-23 07:39:43 -07:00
net spi: prefix modalias with "spi:" 2009-09-23 07:39:43 -07:00
nubus
of of: remove "stm,m25p40" alias 2009-09-23 07:39:43 -07:00
oprofile const: mark remaining super_operations const 2009-09-22 07:17:24 -07:00
parisc mm: replace various uses of num_physpages by totalram_pages 2009-09-22 07:17:38 -07:00
parport
pci
pcmcia pcmcia: cleanup/fixup patch for sa1100_jornada_pcmcia driver 2009-09-22 07:17:42 -07:00
platform
pnp pnp: add a shutdown method to pnp drivers 2009-09-22 07:17:49 -07:00
power
pps
ps3
rapidio
regulator
rtc rtc: add boot_timesource sysfs attribute 2009-09-23 07:39:46 -07:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-09-22 07:51:45 -07:00
sbus const: make block_device_operations const 2009-09-22 07:17:25 -07:00
scsi seq_file: constify seq_operations 2009-09-23 07:39:29 -07:00
serial spi: prefix modalias with "spi:" 2009-09-23 07:39:43 -07:00
sh
sn
spi spi: handle TX-only/RX-only 2009-09-23 07:39:44 -07:00
ssb
staging spi: prefix modalias with "spi:" 2009-09-23 07:39:43 -07:00
tc
telephony
thermal
uio
usb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-09-22 07:51:45 -07:00
uwb trivial: remove unnecessary semicolons 2009-09-21 15:14:58 +02:00
video sisfb: change SiS_DDC_Port type to SISIOADDRESS 2009-09-23 07:39:57 -07:00
virtio
vlynq vlynq: includecheck fix: drivers/vlynq/vlynq.c 2009-09-23 07:39:30 -07:00
w1
watchdog
xen Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-09-22 07:51:45 -07:00
zorro
Kconfig
Makefile