linux-kernel - [PATCH 03/35] dma: at_xdmac: convert tasklets to use new tasklet

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Message-Id: <20200817081726.20213-4-allen.lkml@gmail.com>
Date:   Mon, 17 Aug 2020 13:46:54 +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 03/35] dma: at_xdmac: 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/at_xdmac.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index fd92f048c491..18fc0f3f817f 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1615,7 +1615,7 @@ static void at_xdmac_handle_error(struct at_xdmac_chan *atchan)
 
 static void at_xdmac_tasklet(unsigned long data)
 {
-	struct at_xdmac_chan	*atchan = (struct at_xdmac_chan *)data;
+	struct at_xdmac_chan	*atchan = from_tasklet(atchan, t, tasklet);
 	struct at_xdmac_desc	*desc;
 	u32			error_mask;
 
@@ -2063,8 +2063,7 @@ static int at_xdmac_probe(struct platform_device *pdev)
 		spin_lock_init(&atchan->lock);
 		INIT_LIST_HEAD(&atchan->xfers_list);
 		INIT_LIST_HEAD(&atchan->free_descs_list);
-		tasklet_init(&atchan->tasklet, at_xdmac_tasklet,
-			     (unsigned long)atchan);
+		tasklet_setup(&atchan->tasklet, at_xdmac_tasklet);
 
 		/* Clear pending interrupts. */
 		while (at_xdmac_chan_read(atchan, AT_XDMAC_CIS))
-- 
2.17.1