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| author | Lucas Stach <l.stach@pengutronix.de> | 2015-10-15 12:32:22 +0200 |
|---|---|---|
| committer | Florian Fainelli <f.fainelli@gmail.com> | 2015-11-24 16:00:26 -0800 |
| commit | 937b12306ea79044c86f2e69b3061c7279245825 (patch) | |
| tree | 0ba7059d297c50c85bec005c50e2dc6b9abf5d1a /arch/arm/mach-bcm | |
| parent | 8005c49d9aea74d382f474ce11afbbc7d7130bec (diff) | |
| download | linux-stable-937b12306ea79044c86f2e69b3061c7279245825.tar.gz linux-stable-937b12306ea79044c86f2e69b3061c7279245825.tar.bz2 linux-stable-937b12306ea79044c86f2e69b3061c7279245825.zip | |
ARM: BCM5301X: remove workaround imprecise abort fault handler
This is not needed anymore. Handling a potentially pending imprecise external
abort left behind by the bootloader is now done in a slightly safer way inside
the common ARM startup code.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Diffstat (limited to 'arch/arm/mach-bcm')
| -rw-r--r-- | arch/arm/mach-bcm/bcm_5301x.c | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/arch/arm/mach-bcm/bcm_5301x.c b/arch/arm/mach-bcm/bcm_5301x.c index 5478fe6bcce6..c8830a2b0d60 100644 --- a/arch/arm/mach-bcm/bcm_5301x.c +++ b/arch/arm/mach-bcm/bcm_5301x.c @@ -9,40 +9,6 @@ #include <asm/hardware/cache-l2x0.h> #include <asm/mach/arch.h> -#include <asm/siginfo.h> -#include <asm/signal.h> - - -static bool first_fault = true; - -static int bcm5301x_abort_handler(unsigned long addr, unsigned int fsr, - struct pt_regs *regs) -{ - if ((fsr == 0x1406 || fsr == 0x1c06) && first_fault) { - first_fault = false; - - /* - * 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); - - /* Returning non-zero causes fault display and panic */ - return 0; - } - - /* Others should cause a fault */ - return 1; -} - -static void __init bcm5301x_init_early(void) -{ - /* Install our hook */ - hook_fault_code(16 + 6, bcm5301x_abort_handler, SIGBUS, BUS_OBJERR, - "imprecise external abort"); -} static const char *const bcm5301x_dt_compat[] __initconst = { "brcm,bcm4708", @@ -52,6 +18,5 @@ static const char *const bcm5301x_dt_compat[] __initconst = { DT_MACHINE_START(BCM5301X, "BCM5301X") .l2c_aux_val = 0, .l2c_aux_mask = ~0, - .init_early = bcm5301x_init_early, .dt_compat = bcm5301x_dt_compat, MACHINE_END |