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ARM: BCM5301X: Ignore another (BCM4709 specific) fault code 

Broadcom ARM devices seem to generate some fault once per boot. We
already have an ignoring handler for BCM4707/BCM4708, but BCM4709
generates different code.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
This commit is contained in:
Rafał Miłecki 2015-02-11 16:40:58 +01:00 committed by Florian Fainelli
parent b787f68c36
commit 7eb68a2a05
1 changed files with 5 additions and 4 deletions
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9
arch/arm/mach-bcm/bcm_5301x.c
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@ -18,15 +18,16 @@ static bool first_fault = true;
static int bcm5301x_abort_handler(unsigned long addr, unsigned int fsr,
struct pt_regs *regs)
{
if (fsr == 0x1c06 && first_fault) {
if ((fsr == 0x1406 || fsr == 0x1c06) && first_fault) {
first_fault = false;
/*
* These faults with code 0x1c06 happens for no good reason,
* possibly left over from the CFE boot loader.
* These faults with codes 0x1406 (BCM4709) or 0x1c06 happens
* for no good reason, possibly left over from the CFE boot
* loader.
*/
pr_warn("External imprecise Data abort at addr=%#lx, fsr=%#x ignored.\n",
addr, fsr);
addr, fsr);
/* Returning non-zero causes fault display and panic */
return 0;