linux-kernel - [PATCH] drivers: rapidio: convert tasklets to use new tasklet

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Date:   Mon, 17 Aug 2020 14:46:01 +0530
From:   Allen Pais <allen.cryptic@...il.com>
To:     jdike@...toit.com, richard@....at, anton.ivanov@...bridgegreys.com,
        3chas3@...il.com, axboe@...nel.dk, stefanr@...6.in-berlin.de,
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Cc:     keescook@...omium.org, linux-um@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        linux-atm-general@...ts.sourceforge.net, netdev@...r.kernel.org,
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        openipmi-developer@...ts.sourceforge.net,
        linux1394-devel@...ts.sourceforge.net,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
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        linux-ntb@...glegroups.com, linux-s390@...r.kernel.org,
        linux-spi@...r.kernel.org, devel@...verdev.osuosl.org,
        Allen Pais <allen.lkml@...il.com>,
        Romain Perier <romain.perier@...il.com>
Subject: [PATCH] drivers: rapidio: convert tasklets to use new tasklet_setup() API

From: Allen Pais <allen.lkml@...il.com>

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/rapidio/devices/tsi721_dma.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/rapidio/devices/tsi721_dma.c b/drivers/rapidio/devices/tsi721_dma.c
index d375c02059f3..4a2bb6d7c692 100644
--- a/drivers/rapidio/devices/tsi721_dma.c
+++ b/drivers/rapidio/devices/tsi721_dma.c
@@ -566,9 +566,9 @@ static void tsi721_advance_work(struct tsi721_bdma_chan *bdma_chan,
 		  bdma_chan->id);
 }
 
-static void tsi721_dma_tasklet(unsigned long data)
+static void tsi721_dma_tasklet(struct tasklet_struct *t)
 {
-	struct tsi721_bdma_chan *bdma_chan = (struct tsi721_bdma_chan *)data;
+	struct tsi721_bdma_chan *bdma_chan = from_tasklet(bdma_chan, t, tasklet);
 	u32 dmac_int, dmac_sts;
 
 	dmac_int = ioread32(bdma_chan->regs + TSI721_DMAC_INT);
@@ -988,8 +988,7 @@ int tsi721_register_dma(struct tsi721_device *priv)
 		INIT_LIST_HEAD(&bdma_chan->queue);
 		INIT_LIST_HEAD(&bdma_chan->free_list);
 
-		tasklet_init(&bdma_chan->tasklet, tsi721_dma_tasklet,
-			     (unsigned long)bdma_chan);
+		tasklet_setup(&bdma_chan->tasklet, tsi721_dma_tasklet);
 		list_add_tail(&bdma_chan->dchan.device_node,
 			      &mport->dma.channels);
 		nr_channels++;
-- 
2.17.1