[tip:irq/core] mfd/pm8921: Consolidate chained IRQ handler install/remove

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Commit-ID:  468fddba892462b47e0ce427f5f9aa0397fa39ff
Gitweb:     http://git.kernel.org/tip/468fddba892462b47e0ce427f5f9aa0397fa39ff
Author:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Mon, 13 Jul 2015 20:44:51 +0000
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Mon, 27 Jul 2015 13:36:38 +0200

mfd/pm8921: Consolidate chained IRQ handler install/remove

Chained irq handlers usually set up handler data as well. We now have
a function to set both under irq_desc->lock. Replace the two calls
with one.

Reported-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Cc: Lee Jones <lee.jones@xxxxxxxxxx>
Cc: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
Cc: Julia Lawall <Julia.Lawall@xxxxxxx>
Link: http://lkml.kernel.org/r/20150712225929.739294107@xxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 drivers/mfd/pm8921-core.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/mfd/pm8921-core.c b/drivers/mfd/pm8921-core.c
index 5a92646..38b35e5 100644
--- a/drivers/mfd/pm8921-core.c
+++ b/drivers/mfd/pm8921-core.c
@@ -336,14 +336,12 @@ static int pm8921_probe(struct platform_device *pdev)
 	if (!chip->irqdomain)
 		return -ENODEV;
 
-	irq_set_handler_data(irq, chip);
-	irq_set_chained_handler(irq, pm8xxx_irq_handler);
+	irq_set_chained_handler_and_data(irq, pm8xxx_irq_handler, chip);
 	irq_set_irq_wake(irq, 1);
 
 	rc = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
 	if (rc) {
-		irq_set_chained_handler(irq, NULL);
-		irq_set_handler_data(irq, NULL);
+		irq_set_chained_handler_and_data(irq, NULL, NULL);
 		irq_domain_remove(chip->irqdomain);
 	}
 
@@ -362,8 +360,7 @@ static int pm8921_remove(struct platform_device *pdev)
 	struct pm_irq_chip *chip = platform_get_drvdata(pdev);
 
 	device_for_each_child(&pdev->dev, NULL, pm8921_remove_child);
-	irq_set_chained_handler(irq, NULL);
-	irq_set_handler_data(irq, NULL);
+	irq_set_chained_handler_and_data(irq, NULL, NULL);
 	irq_domain_remove(chip->irqdomain);
 
 	return 0;
--
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