| Message ID | E1Z4zMT-0004Y7-KJ@rmk-PC.arm.linux.org.uk |
|---|---|
| State | New |
| Headers | show |
Am Dienstag, den 16.06.2015, 23:29 +0100 schrieb Russell King: > Even with the oops fixed by a previous patch, the system still fails to > kexec, due to a stuck chained interrupt locking the system. We must > disable the child interrupts prior to setting up the irq chip to ensure > we don't get stuck here. > > Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Applied, thank you. > Maybe this is all that's really needed... would also be nice if this > path had an etry in MAINTAINERS... I'll send a patch to add it to the imx-drm driver section. regards Philipp -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index 6d2f39d36e44..00f2058944e5 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -1107,6 +1107,9 @@ static int ipu_irq_init(struct ipu_soc *ipu) return ret; } + for (i = 0; i < IPU_NUM_IRQS; i += 32) + ipu_cm_write(ipu, 0, IPU_INT_CTRL(i / 32)); + for (i = 0; i < IPU_NUM_IRQS; i += 32) { gc = irq_get_domain_generic_chip(ipu->domain, i); gc->reg_base = ipu->cm_reg;
Even with the oops fixed by a previous patch, the system still fails to kexec, due to a stuck chained interrupt locking the system. We must disable the child interrupts prior to setting up the irq chip to ensure we don't get stuck here. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> --- Maybe this is all that's really needed... would also be nice if this path had an etry in MAINTAINERS... drivers/gpu/ipu-v3/ipu-common.c | 3 +++ 1 file changed, 3 insertions(+)