BCM7xxx ARM and MIPS platforms share a similar hardware block for
reporting GISB errors, so they both benefit from the use of this driver.
Conditionally compile the ARM-specific bus error handler so that the
GISB error IRQ handler works on other architectures.
Signed-off-by: Kevin Cernekee <cernekee@xxxxxxxxx>
---
drivers/bus/Kconfig | 2 +-
drivers/bus/brcmstb_gisb.c | 4 ++++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
index 603eb1b..b99729e 100644
--- a/drivers/bus/Kconfig
+++ b/drivers/bus/Kconfig
@@ -6,7 +6,7 @@ menu "Bus devices"
config BRCMSTB_GISB_ARB
bool "Broadcom STB GISB bus arbiter"
- depends on ARM
+ depends on ARM || MIPS
help
Driver for the Broadcom Set Top Box System-on-a-chip internal bus
arbiter. This driver provides timeout and target abort error handling
diff --git a/drivers/bus/brcmstb_gisb.c b/drivers/bus/brcmstb_gisb.c
index f2cd6a2d..5da935a 100644
--- a/drivers/bus/brcmstb_gisb.c
+++ b/drivers/bus/brcmstb_gisb.c
@@ -24,8 +24,10 @@
#include <linux/of.h>
#include <linux/bitops.h>
+#ifdef CONFIG_ARM
#include <asm/bug.h>
#include <asm/signal.h>
+#endif
#define ARB_TIMER 0x008
#define ARB_ERR_CAP_CLR 0x7e4
@@ -141,6 +143,7 @@ static int brcmstb_gisb_arb_decode_addr(struct brcmstb_gisb_arb_device *gdev,
return 0;
}
+#ifdef CONFIG_ARM
static int brcmstb_bus_error_handler(unsigned long addr, unsigned int fsr,
struct pt_regs *regs)
{
@@ -165,6 +168,7 @@ void __init brcmstb_hook_fault_code(void)
hook_fault_code(22, brcmstb_bus_error_handler, SIGBUS, 0,
"imprecise external abort");
}
+#endif
static irqreturn_t brcmstb_gisb_timeout_handler(int irq, void *dev_id)
{
--
2.1.0
--
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