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From: Chen Zhou <chenzhou10@huawei.com>
To: <patrik.r.jakobsson@gmail.com>, <airlied@linux.ie>, <daniel@ffwll.ch>
Cc: <dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>,
	<chenzhou10@huawei.com>
Subject: [PATCH next] drm/gma500: remove set but not used variables 'hist_reg'
Date: Fri, 27 Dec 2019 19:48:11 +0800	[thread overview]
Message-ID: <20191227114811.14907-1-chenzhou10@huawei.com> (raw)

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/gma500/psb_irq.c: In function psb_irq_turn_off_dpst:
drivers/gpu/drm/gma500/psb_irq.c:473:6:
	warning: variable hist_reg set but not used [-Wunused-but-set-variable]

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
---
 drivers/gpu/drm/gma500/psb_irq.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/gma500/psb_irq.c b/drivers/gpu/drm/gma500/psb_irq.c
index 40a37e4..91f9001 100644
--- a/drivers/gpu/drm/gma500/psb_irq.c
+++ b/drivers/gpu/drm/gma500/psb_irq.c
@@ -470,12 +470,11 @@ void psb_irq_turn_off_dpst(struct drm_device *dev)
 {
 	struct drm_psb_private *dev_priv =
 	    (struct drm_psb_private *) dev->dev_private;
-	u32 hist_reg;
 	u32 pwm_reg;
 
 	if (gma_power_begin(dev, false)) {
 		PSB_WVDC32(0x00000000, HISTOGRAM_INT_CONTROL);
-		hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
+		PSB_RVDC32(HISTOGRAM_INT_CONTROL);
 
 		psb_disable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
 
-- 
2.7.4


WARNING: multiple messages have this Message-ID (diff)
From: Chen Zhou <chenzhou10@huawei.com>
To: <patrik.r.jakobsson@gmail.com>, <airlied@linux.ie>, <daniel@ffwll.ch>
Cc: chenzhou10@huawei.com, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org
Subject: [PATCH next] drm/gma500: remove set but not used variables 'hist_reg'
Date: Fri, 27 Dec 2019 19:48:11 +0800	[thread overview]
Message-ID: <20191227114811.14907-1-chenzhou10@huawei.com> (raw)

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/gma500/psb_irq.c: In function psb_irq_turn_off_dpst:
drivers/gpu/drm/gma500/psb_irq.c:473:6:
	warning: variable hist_reg set but not used [-Wunused-but-set-variable]

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
---
 drivers/gpu/drm/gma500/psb_irq.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/gma500/psb_irq.c b/drivers/gpu/drm/gma500/psb_irq.c
index 40a37e4..91f9001 100644
--- a/drivers/gpu/drm/gma500/psb_irq.c
+++ b/drivers/gpu/drm/gma500/psb_irq.c
@@ -470,12 +470,11 @@ void psb_irq_turn_off_dpst(struct drm_device *dev)
 {
 	struct drm_psb_private *dev_priv =
 	    (struct drm_psb_private *) dev->dev_private;
-	u32 hist_reg;
 	u32 pwm_reg;
 
 	if (gma_power_begin(dev, false)) {
 		PSB_WVDC32(0x00000000, HISTOGRAM_INT_CONTROL);
-		hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
+		PSB_RVDC32(HISTOGRAM_INT_CONTROL);
 
 		psb_disable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
 
-- 
2.7.4

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             reply	other threads:[~2019-12-27 11:52 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-27 11:48 Chen Zhou [this message]
2019-12-27 11:48 ` [PATCH next] drm/gma500: remove set but not used variables 'hist_reg' Chen Zhou
2020-01-08  9:12 ` Patrik Jakobsson
2020-01-08  9:12   ` Patrik Jakobsson

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