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[v5,04/19] crypto: caam: convert tasklets to use new tasklet_setup() API

Message ID 20210208094238.571015-5-allen.lkml@gmail.com (mailing list archive)
State New
Headers show
Series crypto: convert tasklets to use new tasklet_setup API() | expand

Commit Message

Allen Pais Feb. 8, 2021, 9:42 a.m. UTC
From: Allen Pais <apais@linux.microsoft.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.

Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Allen Pais <apais@linux.microsoft.com>
 drivers/crypto/caam/jr.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
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diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 7f2b1101f567..2903e1af0a56 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -9,6 +9,7 @@ 
 #include <linux/of_irq.h>
 #include <linux/of_address.h>
+#include <linux/interrupt.h>
 #include "compat.h"
 #include "ctrl.h"
@@ -201,11 +202,11 @@  static irqreturn_t caam_jr_interrupt(int irq, void *st_dev)
 /* Deferred service handler, run as interrupt-fired tasklet */
-static void caam_jr_dequeue(unsigned long devarg)
+static void caam_jr_dequeue(struct tasklet_struct *t)
 	int hw_idx, sw_idx, i, head, tail;
-	struct device *dev = (struct device *)devarg;
-	struct caam_drv_private_jr *jrp = dev_get_drvdata(dev);
+	struct caam_drv_private_jr *jrp = from_tasklet(jrp, t, irqtask);
+	struct device *dev = jrp->dev;
 	void (*usercall)(struct device *dev, u32 *desc, u32 status, void *arg);
 	u32 *userdesc, userstatus;
 	void *userarg;
@@ -483,7 +484,7 @@  static int caam_jr_init(struct device *dev)
-	tasklet_init(&jrp->irqtask, caam_jr_dequeue, (unsigned long)dev);
+	tasklet_setup(&jrp->irqtask, caam_jr_dequeue);
 	/* Connect job ring interrupt handler. */
 	error = devm_request_irq(dev, jrp->irq, caam_jr_interrupt, IRQF_SHARED,