linux-kernel - [PATCH] hpet: Drop unused variable 'm' in hpet

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Message-ID: <20190711133238.131602-1-wangkefeng.wang@huawei.com>
Date:   Thu, 11 Jul 2019 21:32:38 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Clemens Ladisch <clemens@...isch.de>,
        Arnd Bergmann <arnd@...db.de>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        <linux-kernel@...r.kernel.org>
CC:     <wangkefeng.wang@...wei.com>
Subject: [PATCH] hpet: Drop unused variable 'm' in hpet_interrupt()

../drivers/char/hpet.c:159:17: warning: variable ‘m’ set but not used
[-Wunused-but-set-variable]
   unsigned long m, t, mc, base, k;
                 ^
Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 drivers/char/hpet.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 9ac6671bb514..039398cb14aa 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -156,12 +156,11 @@ static irqreturn_t hpet_interrupt(int irq, void *data)
 	 * This has the effect of treating non-periodic like periodic.
 	 */
 	if ((devp->hd_flags & (HPET_IE | HPET_PERIODIC)) == HPET_IE) {
-		unsigned long m, t, mc, base, k;
+		unsigned long t, mc, base, k;
 		struct hpet __iomem *hpet = devp->hd_hpet;
 		struct hpets *hpetp = devp->hd_hpets;
 
 		t = devp->hd_ireqfreq;
-		m = read_counter(&devp->hd_timer->hpet_compare);
 		mc = read_counter(&hpet->hpet_mc);
 		/* The time for the next interrupt would logically be t + m,
 		 * however, if we are very unlucky and the interrupt is delayed
-- 
2.20.1