diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/901-fix_irq_type_of_pca953x.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/901-fix_irq_type_of_pca953x.patch | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/target/linux/layerscape/patches-5.4/901-fix_irq_type_of_pca953x.patch b/target/linux/layerscape/patches-5.4/901-fix_irq_type_of_pca953x.patch deleted file mode 100644 index 5f022ac27f..0000000000 --- a/target/linux/layerscape/patches-5.4/901-fix_irq_type_of_pca953x.patch +++ /dev/null @@ -1,28 +0,0 @@ -From 12de4b5e7cbcd193d5abb753ca511fe8f2236846 Mon Sep 17 00:00:00 2001 -From: Pawel Dembicki <paweldembicki@gmail.com> -Date: Fri, 13 Nov 2020 07:30:03 +0100 -Subject: [PATCH 1/1] gpio-pca953x: hack: Allow to use falling trigger - -Gpio-mpc8xxx driver of Layerscape gpio support only edge interrupts. -Gpio-pca953x allow only low state trigger. This hack fix the problem. - -Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com> ---- - ---- a/drivers/gpio/gpio-pca953x.c -+++ b/drivers/gpio/gpio-pca953x.c -@@ -881,10 +881,12 @@ static int pca953x_irq_setup(struct pca9 - for (i = 0; i < NBANK(chip); i++) - chip->irq_stat[i] &= reg_direction[i]; - mutex_init(&chip->irq_lock); -- -+ /* gpio-mpc8xxx driver of Layerscape gpio support only edge interrupts. -+ * This hack fix the problem. -+ */ - ret = devm_request_threaded_irq(&client->dev, client->irq, - NULL, pca953x_irq_handler, -- IRQF_TRIGGER_LOW | IRQF_ONESHOT | -+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT | - IRQF_SHARED, - dev_name(&client->dev), chip); - if (ret) { |