Hi,
On 22-12-15 05:27, Chen-Yu Tsai wrote:
The driver allocates the spinlock but fails to initialize it correctly.
The kernel reports a BUG indicating bad spinlock magic when spinlock
debugging is enabled.
Call spin_lock_init() on it to initialize it correctly.
Fixes: b4e3e59fb59c ("[media] rc: add sunxi-ir driver")
Signed-off-by: Chen-Yu Tsai <w...@csie.org>
Good catch:
Acked-by: Hans de Goede <hdego...@redhat.com>
Regards,
Hans
---
drivers/media/rc/sunxi-cir.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/media/rc/sunxi-cir.c b/drivers/media/rc/sunxi-cir.c
index 7830aef3db45..40f77685cc4a 100644
--- a/drivers/media/rc/sunxi-cir.c
+++ b/drivers/media/rc/sunxi-cir.c
@@ -153,6 +153,8 @@ static int sunxi_ir_probe(struct platform_device *pdev)
if (!ir)
return -ENOMEM;
+ spin_lock_init(&ir->ir_lock);
+
if (of_device_is_compatible(dn, "allwinner,sun5i-a13-ir"))
ir->fifo_size = 64;
else
--
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