linux-kernel - [PATCH] gpio/stmpe: Correct cleanup for no-irq mode

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Date:	Wed, 25 Jan 2012 00:06:43 +0100
From:	Linus Walleij <linus.walleij@...ricsson.com>
To:	Samuel Ortiz <sameo@...ux.intel.com>,
	<linux-kernel@...r.kernel.org>,
	Grant Likely <grant.likely@...retlab.ca>
Cc:	Viresh Kumar <viresh.kumar@...com>,
	Chris Blair <chris.blair@...ricsson.com>
Subject: [PATCH] gpio/stmpe: Correct cleanup for no-irq mode

From: Chris Blair <chris.blair@...ricsson.com>

Corrects error condition and driver removal cleanup for the no-irq
configuration.

Cc: Viresh Kumar <viresh.kumar@...com>
Cc: Grant Likely <grant.likely@...retlab.ca>
Signed-off-by: Chris Blair <chris.blair@...ricsson.com>
---
This depends on the previous patch to the MFD code so should
better be merged into the MFD tree with the previous patch.
---
 drivers/gpio/gpio-stmpe.c |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
index 87a68a8..1008c7c 100644
--- a/drivers/gpio/gpio-stmpe.c
+++ b/drivers/gpio/gpio-stmpe.c
@@ -361,9 +361,11 @@ static int __devinit stmpe_gpio_probe(struct platform_device *pdev)
 	return 0;
 
 out_freeirq:
-	free_irq(irq, stmpe_gpio);
+	if (!stmpe->pdata->no_irq)
+		free_irq(irq, stmpe_gpio);
 out_removeirq:
-	stmpe_gpio_irq_remove(stmpe_gpio);
+	if (!stmpe->pdata->no_irq)
+		stmpe_gpio_irq_remove(stmpe_gpio);
 out_disable:
 	stmpe_disable(stmpe, STMPE_BLOCK_GPIO);
 out_free:
@@ -391,8 +393,10 @@ static int __devexit stmpe_gpio_remove(struct platform_device *pdev)
 
 	stmpe_disable(stmpe, STMPE_BLOCK_GPIO);
 
-	free_irq(irq, stmpe_gpio);
-	stmpe_gpio_irq_remove(stmpe_gpio);
+	if (!stmpe->pdata->no_irq) {
+		free_irq(irq, stmpe_gpio);
+		stmpe_gpio_irq_remove(stmpe_gpio);
+	}
 	platform_set_drvdata(pdev, NULL);
 	kfree(stmpe_gpio);
 
-- 
1.7.8

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