[PATCH v4 31/50] scsi: mac53c94: Fix a set-but-not-used compiler warning

Bart Van Assche
2022-02-16T21:04:08Z

Fix the following compiler warning:

drivers/scsi/mac53c94.c: In function 'mac53c94_init':
drivers/scsi/mac53c94.c:128:13: warning: variable 'x' set but not used [-Wunused-but-set-variable]
128 | int x;

Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
drivers/scsi/mac53c94.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c
index 3976a18f6333..afa08309de36 100644
--- a/drivers/scsi/mac53c94.c
+++ b/drivers/scsi/mac53c94.c
@@ -125,7 +125,6 @@ static void mac53c94_init(struct fsc_state *state)
{
struct mac53c94_regs __iomem *regs = state->regs;
struct dbdma_regs __iomem *dma = state->dma;
- int x;

writeb(state->host->this_id | CF1_PAR_ENABLE, &regs->config1);
writeb(TIMO_VAL(250), &regs->sel_timeout); /* 250ms */
@@ -134,7 +133,7 @@ static void mac53c94_init(struct fsc_state *state)
writeb(0, &regs->config3);
writeb(0, &regs->sync_period);
writeb(0, &regs->sync_offset);
- x = readb(&regs->interrupt);
+ (void)readb(&regs->interrupt);
writel((RUN|PAUSE|FLUSH|WAKE) << 16, &dma->control);
}