staging: kpc2000: Remove unnecessary return variable
Remove unnecessary variable `val` in kp_spi_read_reg() that only holds
the return value from readq().
Issue found by coccinelle using the script:
@@
local idexpression ret;
expression e;
@@
-ret =
+return
e;
-return ret;
Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Link: https://lore.kernel.org/r/20191009170703.GA2869@wambui
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/kpc2000/kpc2000_spi.c b/drivers/staging/kpc2000/kpc2000_spi.c
index 3be33c4..6ba94b0 100644
--- a/drivers/staging/kpc2000/kpc2000_spi.c
+++ b/drivers/staging/kpc2000/kpc2000_spi.c
@@ -162,14 +162,12 @@
kp_spi_read_reg(struct kp_spi_controller_state *cs, int idx)
{
u64 __iomem *addr = cs->base;
- u64 val;
addr += idx;
if ((idx == KP_SPI_REG_CONFIG) && (cs->conf_cache >= 0))
return cs->conf_cache;
- val = readq(addr);
- return val;
+ return readq(addr);
}
static inline void
