Commit c609c05d authored by David Jander's avatar David Jander Committed by Grant Likely

gpio/pca953x: Fix IRQ support.

It seems that in the normal case, IRQ_NOREQUEST needs to be explicitly
cleared, otherwise claiming the interrupt fails.
In the case of sparse interrupts, the descriptor needs to be allocated
first.
Signed-off-by: default avatarDavid Jander <david@protonic.nl>
Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
parent 8e46ea3e
...@@ -517,8 +517,10 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, ...@@ -517,8 +517,10 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
static void pca953x_irq_teardown(struct pca953x_chip *chip) static void pca953x_irq_teardown(struct pca953x_chip *chip)
{ {
if (chip->irq_base != -1) if (chip->irq_base != -1) {
irq_free_descs(chip->irq_base, chip->gpio_chip.ngpio);
free_irq(chip->client->irq, chip); free_irq(chip->client->irq, chip);
}
} }
#else /* CONFIG_GPIO_PCA953X_IRQ */ #else /* CONFIG_GPIO_PCA953X_IRQ */
static int pca953x_irq_setup(struct pca953x_chip *chip, static int pca953x_irq_setup(struct pca953x_chip *chip,
......
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