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authorWolfram Sang <wsa+renesas@sang-engineering.com>2024-07-07 10:28:47 +0200
committerAndi Shyti <andi.shyti@kernel.org>2024-07-10 09:57:49 +0200
commit3291d2327e4f1e83f290c26ab7e9d17fd8e1bb2e (patch)
tree7251e84433397973b69dd368b9524576e3f663a0 /drivers/i2c/busses/i2c-rcar.c
parent00fa2450c11138c1c3171224cd2727a3a6240bae (diff)
i2c: rcar: WARN about spurious irqs
The FIXME is very old and probably needed because of some driver bug like insufficient initialization. It may well be that it was fixed meanwhile but we never know because the spurious irq is silently ignored. Add now a call trace when this happens so we have more information in case the issue still exists. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-rcar.c')
-rw-r--r--drivers/i2c/busses/i2c-rcar.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 828aa2ea0fe4..efa306076493 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -545,7 +545,7 @@ static void rcar_i2c_irq_send(struct rcar_i2c_priv *priv, u32 msr)
u32 irqs_to_clear = MDE;
/* FIXME: sometimes, unknown interrupt happened. Do nothing */
- if (!(msr & MDE))
+ if (WARN(!(msr & MDE), "spurious irq"))
return;
if (msr & MAT)