[media] s5p-jpeg: Avoid assigning readl result

Avoid gcc warning when -Wunused-but-set-variable is enabled.
The readl return value need not to be assigned to any variable
as the reading itself is just a part of a sequence required
for clearing the interrupt flag.

Change-Id: I09b9ec4a724ae46eca0491d81003cd0c0f714ad2
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.c b/drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.c
index 0d37bed..e3b8e67 100644 (file)
--- a/drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.c
@@ -324,11 +324,9 @@ int s5p_jpeg_stream_stat_ok(void __iomem *regs)
 
 void s5p_jpeg_clear_int(void __iomem *regs)
 {
-       unsigned long reg;
-
        readl(regs + S5P_JPGINTST);
        writel(S5P_INT_RELEASE, regs + S5P_JPGCOM);
-       reg = readl(regs + S5P_JPGOPR);
+       readl(regs + S5P_JPGOPR);
 }
 
 unsigned int s5p_jpeg_compressed_size(void __iomem *regs)