linux-kernel - [PATCH] media: cx18: remove unnecessary (void*) conversions

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Message-Id: <20230320084502.29478-1-yuzhe@nfschina.com>
Date:   Mon, 20 Mar 2023 16:45:02 +0800
From:   Yu Zhe <yuzhe@...china.com>
To:     awalls@...metrocast.net, mchehab@...nel.org
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org, liqiong@...china.com,
        Yu Zhe <yuzhe@...china.com>
Subject: [PATCH] media: cx18: remove unnecessary (void*) conversions

Pointer variables of void * type do not require type cast.

Signed-off-by: Yu Zhe <yuzhe@...china.com>
---
 drivers/media/pci/cx18/cx18-dvb.c  | 4 ++--
 drivers/media/pci/cx18/cx18-gpio.c | 2 +-
 drivers/media/pci/cx18/cx18-irq.c  | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/media/pci/cx18/cx18-dvb.c b/drivers/media/pci/cx18/cx18-dvb.c
index 33e5a5b5fab4..cf82360a503d 100644
--- a/drivers/media/pci/cx18/cx18-dvb.c
+++ b/drivers/media/pci/cx18/cx18-dvb.c
@@ -234,7 +234,7 @@ static int dvb_register(struct cx18_stream *stream);
 static int cx18_dvb_start_feed(struct dvb_demux_feed *feed)
 {
 	struct dvb_demux *demux = feed->demux;
-	struct cx18_stream *stream = (struct cx18_stream *) demux->priv;
+	struct cx18_stream *stream = demux->priv;
 	struct cx18 *cx;
 	int ret;
 	u32 v;
@@ -305,7 +305,7 @@ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed)
 static int cx18_dvb_stop_feed(struct dvb_demux_feed *feed)
 {
 	struct dvb_demux *demux = feed->demux;
-	struct cx18_stream *stream = (struct cx18_stream *)demux->priv;
+	struct cx18_stream *stream = demux->priv;
 	struct cx18 *cx;
 	int ret = -EINVAL;
 
diff --git a/drivers/media/pci/cx18/cx18-gpio.c b/drivers/media/pci/cx18/cx18-gpio.c
index 160c8377e352..c85eb8d25837 100644
--- a/drivers/media/pci/cx18/cx18-gpio.c
+++ b/drivers/media/pci/cx18/cx18-gpio.c
@@ -307,7 +307,7 @@ int cx18_gpio_register(struct cx18 *cx, u32 hw)
 
 void cx18_reset_ir_gpio(void *data)
 {
-	struct cx18 *cx = to_cx18((struct v4l2_device *)data);
+	struct cx18 *cx = to_cx18(data);
 
 	if (cx->card->gpio_i2c_slave_reset.ir_reset_mask == 0)
 		return;
diff --git a/drivers/media/pci/cx18/cx18-irq.c b/drivers/media/pci/cx18/cx18-irq.c
index fb10e9c2c5b8..db63077821b1 100644
--- a/drivers/media/pci/cx18/cx18-irq.c
+++ b/drivers/media/pci/cx18/cx18-irq.c
@@ -30,7 +30,7 @@ static void epu_cmd(struct cx18 *cx, u32 sw1)
 
 irqreturn_t cx18_irq_handler(int irq, void *dev_id)
 {
-	struct cx18 *cx = (struct cx18 *)dev_id;
+	struct cx18 *cx = dev_id;
 	u32 sw1, sw2, hw2;
 
 	sw1 = cx18_read_reg(cx, SW1_INT_STATUS) & cx->sw1_irq_mask;
-- 
2.11.0