From 33a4eeb1a67390dd2d485ec4918e87e931bf993f Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Mon, 6 Jul 2020 14:33:22 +0100 Subject: [PATCH] usb: host: r8a66597-hcd: Remove set, then over-written, but never used variable 'tmp' MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Looks like it's been this way since the driver's inception in 2007. Fixes the following W=1 kernel build warning(s): drivers/usb/host/r8a66597-hcd.c: In function ‘clear_all_buffer’: drivers/usb/host/r8a66597-hcd.c:478:6: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable] 478 | u16 tmp; | ^~~ Cc: Yoshihiro Shimoda Signed-off-by: Lee Jones Link: https://lore.kernel.org/r/20200706133341.476881-14-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/r8a66597-hcd.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index 0c03ac6..63719cd 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -475,16 +475,14 @@ static void pipe_stop(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe) static void clear_all_buffer(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe) { - u16 tmp; - if (!pipe || pipe->info.pipenum == 0) return; pipe_stop(r8a66597, pipe); r8a66597_bset(r8a66597, ACLRM, pipe->pipectr); - tmp = r8a66597_read(r8a66597, pipe->pipectr); - tmp = r8a66597_read(r8a66597, pipe->pipectr); - tmp = r8a66597_read(r8a66597, pipe->pipectr); + r8a66597_read(r8a66597, pipe->pipectr); + r8a66597_read(r8a66597, pipe->pipectr); + r8a66597_read(r8a66597, pipe->pipectr); r8a66597_bclr(r8a66597, ACLRM, pipe->pipectr); } -- 2.7.4