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authorLucas Stach <l.stach@pengutronix.de>2015-10-15 13:32:22 +0300
committerFlorian Fainelli <f.fainelli@gmail.com>2015-11-25 03:00:26 +0300
commit937b12306ea79044c86f2e69b3061c7279245825 (patch)
tree0ba7059d297c50c85bec005c50e2dc6b9abf5d1a /arch/arm/mach-bcm
parent8005c49d9aea74d382f474ce11afbbc7d7130bec (diff)
downloadlinux-937b12306ea79044c86f2e69b3061c7279245825.tar.xz
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.c35
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