linux-kernel - [PATCH 31/35] dma: xgene: convert tasklets to use new tasklet

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Date:   Mon, 17 Aug 2020 13:47:22 +0530
From:   Allen Pais <allen.lkml@...il.com>
To:     shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com, ast@...nel.org,
        daniel@...earbox.net, kafai@...com, songliubraving@...com,
        yhs@...com, andriin@...com, john.fastabend@...il.com,
        kpsingh@...omium.org, baohua@...nel.org, mripard@...nel.org,
        wens@...e.org, thierry.reding@...il.com, jonathanh@...dia.com,
        michal.simek@...inx.com, matthias.bgg@...il.com
Cc:     keescook@...omium.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-mediatek@...ts.infradead.org,
        Allen Pais <allen.lkml@...il.com>,
        Romain Perier <romain.perier@...il.com>
Subject: [PATCH 31/35] dma: xgene: 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/dma/xgene-dma.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/xgene-dma.c b/drivers/dma/xgene-dma.c
index 4f733d37a22e..3589b4ef50b8 100644
--- a/drivers/dma/xgene-dma.c
+++ b/drivers/dma/xgene-dma.c
@@ -975,9 +975,9 @@ static enum dma_status xgene_dma_tx_status(struct dma_chan *dchan,
 	return dma_cookie_status(dchan, cookie, txstate);
 }
 
-static void xgene_dma_tasklet_cb(unsigned long data)
+static void xgene_dma_tasklet_cb(struct tasklet_struct *t)
 {
-	struct xgene_dma_chan *chan = (struct xgene_dma_chan *)data;
+	struct xgene_dma_chan *chan = from_tasklet(chan, t, tasklet);
 
 	/* Run all cleanup for descriptors which have been completed */
 	xgene_dma_cleanup_descriptors(chan);
@@ -1539,8 +1539,7 @@ static int xgene_dma_async_register(struct xgene_dma *pdma, int id)
 	INIT_LIST_HEAD(&chan->ld_pending);
 	INIT_LIST_HEAD(&chan->ld_running);
 	INIT_LIST_HEAD(&chan->ld_completed);
-	tasklet_init(&chan->tasklet, xgene_dma_tasklet_cb,
-		     (unsigned long)chan);
+	tasklet_setup(&chan->tasklet, xgene_dma_tasklet_cb);
 
 	chan->pending = 0;
 	chan->desc_pool = NULL;
-- 
2.17.1