* [PATCH 2/9] media: rc: nuvoton-cir: remove unneeded lock
@ 2015-10-29 21:19 Heiner Kallweit
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From: Heiner Kallweit @ 2015-10-29 21:19 UTC (permalink / raw)
To: Mauro Carvalho Chehab; +Cc: linux-media
chip_major / chip_minor are accessed sequentially in probe only.
Therefore no lock is needed.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
drivers/media/rc/nuvoton-cir.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index 3d9a4cf..4d8e12f 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -227,7 +227,6 @@ static void cir_wake_dump_regs(struct nvt_dev *nvt)
/* detect hardware features */
static int nvt_hw_detect(struct nvt_dev *nvt)
{
- unsigned long flags;
u8 chip_major, chip_minor;
char chip_id[12];
bool chip_unknown = false;
@@ -279,10 +278,8 @@ static int nvt_hw_detect(struct nvt_dev *nvt)
nvt_efm_disable(nvt);
- spin_lock_irqsave(&nvt->nvt_lock, flags);
nvt->chip_major = chip_major;
nvt->chip_minor = chip_minor;
- spin_unlock_irqrestore(&nvt->nvt_lock, flags);
return 0;
}
--
2.6.2
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2015-10-29 21:19 [PATCH 2/9] media: rc: nuvoton-cir: remove unneeded lock Heiner Kallweit
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