linux-kernel - [PATCH 09/11] media: sti: convert tasklets to use new tasklet

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Date:   Mon, 17 Aug 2020 14:01:51 +0530
From:   Allen Pais <allen.lkml@...il.com>
To:     mchehab@...nel.org, maintainers@...echerrydvr.com,
        patrice.chotard@...com
Cc:     keescook@...omium.org, linux-media@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Allen Pais <allen.lkml@...il.com>,
        Romain Perier <romain.perier@...il.com>
Subject: [PATCH 09/11] media: sti: convert tasklets to use new tasklet_setup() API

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@...il.com>
Signed-off-by: Allen Pais <allen.lkml@...il.com>
---
 drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
index 5baada4f65e5..dbe7788083a4 100644
--- a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
+++ b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
@@ -77,9 +77,9 @@ static void c8sectpfe_timer_interrupt(struct timer_list *t)
 	add_timer(&fei->timer);
 }
 
-static void channel_swdemux_tsklet(unsigned long data)
+static void channel_swdemux_tsklet(struct tasklet_struct *t)
 {
-	struct channel_info *channel = (struct channel_info *)data;
+	struct channel_info *channel = from_tasklet(channel, t, tsklet);
 	struct c8sectpfei *fei;
 	unsigned long wp, rp;
 	int pos, num_packets, n, size;
@@ -208,8 +208,7 @@ static int c8sectpfe_start_feed(struct dvb_demux_feed *dvbdmxfeed)
 
 		dev_dbg(fei->dev, "Starting channel=%p\n", channel);
 
-		tasklet_init(&channel->tsklet, channel_swdemux_tsklet,
-			     (unsigned long) channel);
+		tasklet_setup(&channel->tsklet, channel_swdemux_tsklet);
 
 		/* Reset the internal inputblock sram pointers */
 		writel(channel->fifo,
@@ -638,8 +637,7 @@ static int configure_memdma_and_inputblock(struct c8sectpfei *fei,
 	writel(tsin->back_buffer_busaddr, tsin->irec + DMA_PRDS_BUSRP_TP(0));
 
 	/* initialize tasklet */
-	tasklet_init(&tsin->tsklet, channel_swdemux_tsklet,
-		(unsigned long) tsin);
+	tasklet_setup(&tsin->tsklet, channel_swdemux_tsklet);
 
 	return 0;
 
-- 
2.17.1