[3.8-rc4 arm] SCSI_SYM53C8XX_2 module cannot register IRQ

From: Tetsuo Handa
Date: Sun Jan 20 2013 - 07:24:35 EST


Hello.

I'm experiencing two regressions in 3.8-rcX.

Regression:

(1) Console shows nothing, which makes it impossible to determine whether
the system is working or not.

(2) SCSI_SYM53C8XX_2 cannot register IRQ, showing below messages upon load.

PCI: enabling device 0000:00:0c.0 (0100 -> 0103)
sym0: <895a> rev 0x0 at pci 0000:00:0c.0 irq 27
sym0: No NVRAM, ID 7, Fast-40, LVD, parity checking
sym0: request irq 27 failure
sym0: giving up ...

While (1) was fixed by now, I can't bisect (2) since (1) is preventing (2) from
printing messages.

Bisection result:

No problem until commit b1112249 "OMAPDSS: DISPC: cleanup lcd/digit enable/disable".

(1) was introduced by commit 07c9249f "ARM: 7554/1: VIC: use irq_domain_add_simple()".

(2) was introduced between commit 07c9249f "ARM: 7554/1: VIC: use irq_domain_add_simple()"
and commit 5c49985c "Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm".

(1) was fixed by commit 5c49985c "Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm".

(2) is not yet fixed as of commit 5da1f88b "Merge tag 'usb-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb".

Environment:

Host is Ubuntu 12.04 on x86_32.
Cross compiling with ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- using
gcc-arm-linux-gnueabi 4:4.6.2-7 and booting with arch/arm/boot/zImage using
qemu-system 1.0.50-2012.03-0ubuntu2.1 .

Command line:

$ qemu-system-arm -M versatilepb -hda hda.img -kernel arch/arm/boot/zImage -append "root=/dev/sda1"

Kernel config:

http://I-love.SAKURA.ne.jp/tmp/config-3.8-rc1-arm

Regards.
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