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authorMagnus Damm <damm@opensource.se>2010-02-16 05:17:52 +0000
committerPaul Mundt <lethal@linux-sh.org>2010-02-17 12:45:43 +0900
commite9125ac0bf78bc19181359a3411d2e2bb757942d (patch)
treee4ca2ede81fecf5c9aaf75040188bfc1737f6322 /arch
parent4d2185d93c670902b6e4716b360e2bcb7d2f7b2f (diff)
downloadblackbird-op-linux-e9125ac0bf78bc19181359a3411d2e2bb757942d.tar.gz
blackbird-op-linux-e9125ac0bf78bc19181359a3411d2e2bb757942d.zip
sh: fix sh7722 SDHI support using INTC force_disable
Update the sh7722 INTC tables with force_enable support to mask out pending unsupported SDHI interrupt sources. Without this patch the kernel locks up due to a pending SDHI interrupt that the tmio_mmc driver cannot handle. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7722.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 0949135a125c..ef3f97827808 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -447,6 +447,7 @@ void __init plat_early_device_setup(void)
enum {
UNUSED=0,
ENABLED,
+ DISABLED,
/* interrupt sources */
IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
@@ -534,7 +535,7 @@ static struct intc_mask_reg mask_registers[] __initdata = {
{ I2C_DTEI, I2C_WAITI, I2C_TACKI, I2C_ALI,
FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLENDI, FLCTL_FLSTEI } },
{ 0xa40800a0, 0xa40800e0, 8, /* IMR8 / IMCR8 */
- { 0, 0, ENABLED, ENABLED, 0, 0, TWODG, SIU } },
+ { DISABLED, DISABLED, ENABLED, ENABLED, 0, 0, TWODG, SIU } },
{ 0xa40800a4, 0xa40800e4, 8, /* IMR9 / IMCR9 */
{ 0, 0, 0, CMT, 0, USB_USBI1, USB_USBI0, } },
{ 0xa40800a8, 0xa40800e8, 8, /* IMR10 / IMCR10 */
@@ -575,6 +576,7 @@ static struct intc_mask_reg ack_registers[] __initdata = {
static struct intc_desc intc_desc __initdata = {
.name = "sh7722",
.force_enable = ENABLED,
+ .force_disable = DISABLED,
.hw = INTC_HW_DESC(vectors, groups, mask_registers,
prio_registers, sense_registers, ack_registers),
};
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