Anton Blanchard ce47c1c45b powerpc/eeh: Fix oops when probing in early boot ... If we take an EEH error early enough, we oops: Call Trace: [c000000010483770] [c000000000013ee4] .show_stack+0xd8/0x218 (unreliable) [c000000010483850] [c000000000658940] .dump_stack+0x28/0x3c [c0000000104838d0] [c000000000057a68] .eeh_dn_check_failure+0x2b8/0x304 [c000000010483990] [c0000000000259c8] .rtas_read_config+0x120/0x168 [c000000010483a40] [c000000000025af4] .rtas_pci_read_config+0xe4/0x124 [c000000010483af0] [c00000000037af18] .pci_bus_read_config_word+0xac/0x104 [c000000010483bc0] [c0000000008fec98] .pcibios_allocate_resources+0x7c/0x220 [c000000010483c90] [c0000000008feed8] .pcibios_resource_survey+0x9c/0x418 [c000000010483d80] [c0000000008fea10] .pcibios_init+0xbc/0xf4 [c000000010483e20] [c000000000009844] .do_one_initcall+0x98/0x1d8 [c000000010483ed0] [c0000000008f0560] .kernel_init+0x228/0x2e8 [c000000010483f90] [c000000000031a08] .kernel_thread+0x54/0x70 EEH: Detected PCI bus error on device <null> EEH: This PCI device has failed 1 times in the last hour: EEH: location=U78A5.001.WIH8464-P1 driver= pci addr=0001:00:01.0 EEH: of node=/pci@800000020000209/usb@1 EEH: PCI device/vendor: 00351033 EEH: PCI cmd/status register: 12100146 Unable to handle kernel paging request for data at address 0x00000468 Oops: Kernel access of bad area, sig: 11 [#1] .... NIP [c000000000057610] .rtas_set_slot_reset+0x38/0x10c LR [c000000000058724] .eeh_reset_device+0x5c/0x124 Call Trace: [c00000000bc6bd00] [c00000000005a0e0] .pcibios_remove_pci_devices+0x7c/0xb0 (unreliable) [c00000000bc6bd90] [c000000000058724] .eeh_reset_device+0x5c/0x124 [c00000000bc6be40] [c0000000000589c0] .handle_eeh_events+0x1d4/0x39c [c00000000bc6bf00] [c000000000059124] .eeh_event_handler+0xf0/0x188 [c00000000bc6bf90] [c000000000031a08] .kernel_thread+0x54/0x70 We called rtas_set_slot_reset while scanning the bus and before the pci_dn to pcidev mapping has been created. Since we only need the pcidev to work out the type of reset and that only gets set after the module for the device loads, lets just do a hot reset if the pcidev is NULL. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Linas Vepstas <linasvepstas@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>		2010-05-21 17:31:09 +10:00
..
boot	powerpc/83xx: Add MCU LEDs support for MPC837xRDB and MPC8315RDB boards	2010-05-17 10:55:32 -05:00
configs	Merge commit 'origin/master' into next	2010-05-07 11:29:25 +10:00
include/asm	Merge commit 'origin/master' into next	2010-05-07 11:29:25 +10:00
kernel	powerpc/pci: Check devices status property when scanning OF tree	2010-05-21 17:31:09 +10:00
kvm	KVM: fix the handling of dirty bitmaps to avoid overflows	2010-04-20 13:06:55 +03:00
lib	powerpc: Fix string library functions	2010-05-21 17:31:08 +10:00
math-emu
mm	powerpc/fsl-booke: Move loadcam_entry back to asm code to fix SMP ftrace	2010-05-17 10:56:20 -05:00
oprofile	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
platforms	powerpc/eeh: Fix oops when probing in early boot	2010-05-21 17:31:09 +10:00
sysdev	powerpc: Add interrupt support to mpc8xxx_gpio	2010-05-17 10:48:28 -05:00
xmon
Kconfig	powerpc: Add kprobe-based event tracer	2010-04-07 18:11:43 +10:00
Kconfig.debug	powerpc/cpumask: Add DEBUG_PER_CPU_MAPS option	2010-05-06 18:05:26 +10:00
Makefile
relocs_check.pl