[PATCH 08/12] USB: musb: remove dead stores

[Ahmad Fatoum]

Reading the interrupt registers has a side-effect, so their value need
not be used for anythig. Storing it into a variable never read
obfuscates this however. Cast to (void) for clarity.

Reported-by: clang-analyzer-10
Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
 drivers/usb/musb/musb_core.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 9fdef8679b88..266663a9b0ec 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -330,7 +330,6 @@ void musb_load_testpacket(struct musb *musb)
 static void musb_generic_disable(struct musb *musb)
 {
 	void __iomem	*mbase = musb->mregs;
-	u16	temp;
 
 	/* disable interrupts */
 	musb_writeb(mbase, MUSB_INTRUSBE, 0);
@@ -343,9 +342,9 @@ static void musb_generic_disable(struct musb *musb)
 	musb_writeb(mbase, MUSB_DEVCTL, 0);
 
 	/*  flush pending interrupts */
-	temp = musb_readb(mbase, MUSB_INTRUSB);
-	temp = musb_readw(mbase, MUSB_INTRTX);
-	temp = musb_readw(mbase, MUSB_INTRRX);
+	(void)musb_readb(mbase, MUSB_INTRUSB);
+	(void)musb_readw(mbase, MUSB_INTRTX);
+	(void)musb_readw(mbase, MUSB_INTRRX);
 
 }
 
-- 
2.28.0