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author | Arnd Bergmann <arnd@arndb.de> | 2024-03-22 16:21:07 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-05-02 17:32:47 +0300 |
commit | 3053b681b6782969f92bdb6c2a4da32151f7f74c (patch) | |
tree | 4c2f1f79e12406f10c234821e4af6c61496dbb8b /drivers | |
parent | 2431b5f2650dfc47ce782d1ca7b02d6b3916976f (diff) | |
download | linux-3053b681b6782969f92bdb6c2a4da32151f7f74c.tar.xz |
dmaengine: owl: fix register access functions
[ Upstream commit 43c633ef93a5d293c96ebcedb40130df13128428 ]
When building with 'make W=1', clang notices that the computed register
values are never actually written back but instead the wrong variable
is set:
drivers/dma/owl-dma.c:244:6: error: variable 'regval' set but not used [-Werror,-Wunused-but-set-variable]
244 | u32 regval;
| ^
drivers/dma/owl-dma.c:268:6: error: variable 'regval' set but not used [-Werror,-Wunused-but-set-variable]
268 | u32 regval;
| ^
Change these to what was most likely intended.
Fixes: 47e20577c24d ("dmaengine: Add Actions Semi Owl family S900 DMA driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Peter Korsgaard <peter@korsgaard.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240322132116.906475-1-arnd@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/dma/owl-dma.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dma/owl-dma.c b/drivers/dma/owl-dma.c index 384476757c5e..3bcf73ef69dc 100644 --- a/drivers/dma/owl-dma.c +++ b/drivers/dma/owl-dma.c @@ -250,7 +250,7 @@ static void pchan_update(struct owl_dma_pchan *pchan, u32 reg, else regval &= ~val; - writel(val, pchan->base + reg); + writel(regval, pchan->base + reg); } static void pchan_writel(struct owl_dma_pchan *pchan, u32 reg, u32 data) @@ -274,7 +274,7 @@ static void dma_update(struct owl_dma *od, u32 reg, u32 val, bool state) else regval &= ~val; - writel(val, od->base + reg); + writel(regval, od->base + reg); } static void dma_writel(struct owl_dma *od, u32 reg, u32 data) |