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authorÁlvaro Fernández Rojas <noltari@gmail.com>2020-05-27 17:29:45 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2020-05-28 10:36:27 +0200
commit745c447579326d26a239676173854065fae1a197 (patch)
treee24a7dc47314abc0689ec251569272832121bf70 /target/linux/bcm27xx/patches-4.19/950-0122-gpiolib-Don-t-prevent-IRQ-usage-of-output-GPIOs.patch
parentad84c095028f6ddef95a92e028760cce23d32f6c (diff)
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bcm27xx: remove linux 4.19 support
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0122-gpiolib-Don-t-prevent-IRQ-usage-of-output-GPIOs.patch')
-rw-r--r--target/linux/bcm27xx/patches-4.19/950-0122-gpiolib-Don-t-prevent-IRQ-usage-of-output-GPIOs.patch46
1 files changed, 0 insertions, 46 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0122-gpiolib-Don-t-prevent-IRQ-usage-of-output-GPIOs.patch b/target/linux/bcm27xx/patches-4.19/950-0122-gpiolib-Don-t-prevent-IRQ-usage-of-output-GPIOs.patch
deleted file mode 100644
index 5cec38351b..0000000000
--- a/target/linux/bcm27xx/patches-4.19/950-0122-gpiolib-Don-t-prevent-IRQ-usage-of-output-GPIOs.patch
+++ /dev/null
@@ -1,46 +0,0 @@
-From 1929780cf2cc997f990085bd878112b28f4175c9 Mon Sep 17 00:00:00 2001
-From: Phil Elwell <phil@raspberrypi.org>
-Date: Tue, 24 Apr 2018 14:42:27 +0100
-Subject: [PATCH] gpiolib: Don't prevent IRQ usage of output GPIOs
-
-Upstream Linux deems using output GPIOs to generate IRQs as a bogus
-use case, even though the BCM2835 GPIO controller is capable of doing
-so. A number of users would like to make use of this facility, so
-disable the checks.
-
-See: https://github.com/raspberrypi/linux/issues/2527
-
-Signed-off-by: Phil Elwell <phil@raspberrypi.org>
----
- drivers/gpio/gpiolib.c | 6 ++++--
- 1 file changed, 4 insertions(+), 2 deletions(-)
-
---- a/drivers/gpio/gpiolib.c
-+++ b/drivers/gpio/gpiolib.c
-@@ -53,6 +53,8 @@
- #define extra_checks 0
- #endif
-
-+#define dont_test_bit(b,d) (0)
-+
- /* Device and char device-related information */
- static DEFINE_IDA(gpio_ida);
- static dev_t gpio_devt;
-@@ -2662,7 +2664,7 @@ int gpiod_direction_output(struct gpio_d
- value = !!value;
-
- /* GPIOs used for IRQs shall not be set as output */
-- if (test_bit(FLAG_USED_AS_IRQ, &desc->flags)) {
-+ if (dont_test_bit(FLAG_USED_AS_IRQ, &desc->flags)) {
- gpiod_err(desc,
- "%s: tried to set a GPIO tied to an IRQ as output\n",
- __func__);
-@@ -3361,7 +3363,7 @@ int gpiochip_lock_as_irq(struct gpio_chi
- }
- }
-
-- if (test_bit(FLAG_IS_OUT, &desc->flags)) {
-+ if (dont_test_bit(FLAG_IS_OUT, &desc->flags)) {
- chip_err(chip,
- "%s: tried to flag a GPIO set as output for IRQ\n",
- __func__);