linux-kernel - [PATCH] platform: goldfish: convert tasklets to use new tasklet

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Message-Id: <20200817091617.28119-18-allen.cryptic@gmail.com>
Date:   Mon, 17 Aug 2020 14:46:12 +0530
From:   Allen Pais <allen.cryptic@...il.com>
To:     jdike@...toit.com, richard@....at, anton.ivanov@...bridgegreys.com,
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Cc:     keescook@...omium.org, linux-um@...ts.infradead.org,
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        Allen Pais <allen.lkml@...il.com>,
        Romain Perier <romain.perier@...il.com>
Subject: [PATCH] platform: goldfish: 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/platform/goldfish/goldfish_pipe.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c
index 1ab207ec9c94..b9bead07760c 100644
--- a/drivers/platform/goldfish/goldfish_pipe.c
+++ b/drivers/platform/goldfish/goldfish_pipe.c
@@ -577,10 +577,10 @@ static struct goldfish_pipe *signalled_pipes_pop_front(
 	return pipe;
 }
 
-static void goldfish_interrupt_task(unsigned long dev_addr)
+static void goldfish_interrupt_task(struct tasklet_struct *t)
 {
 	/* Iterate over the signalled pipes and wake them one by one */
-	struct goldfish_pipe_dev *dev = (struct goldfish_pipe_dev *)dev_addr;
+	struct goldfish_pipe_dev *dev = from_tasklet(dev, t, irq_tasklet);
 	struct goldfish_pipe *pipe;
 	int wakes;
 
@@ -811,8 +811,7 @@ static int goldfish_pipe_device_init(struct platform_device *pdev,
 {
 	int err;
 
-	tasklet_init(&dev->irq_tasklet, &goldfish_interrupt_task,
-		     (unsigned long)dev);
+	tasklet_setup(&dev->irq_tasklet, &goldfish_interrupt_task);
 
 	err = devm_request_irq(&pdev->dev, dev->irq,
 			       goldfish_pipe_interrupt,
-- 
2.17.1