diff options
| -rw-r--r-- | target/linux/realtek/patches-5.10/007-5.16-gpio-realtek-realtek-otto-fix-gpio-line-irq-offset.patch | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/realtek/patches-5.10/007-5.16-gpio-realtek-realtek-otto-fix-gpio-line-irq-offset.patch b/target/linux/realtek/patches-5.10/007-5.16-gpio-realtek-realtek-otto-fix-gpio-line-irq-offset.patch new file mode 100644 index 0000000000..f1f739d470 --- /dev/null +++ b/target/linux/realtek/patches-5.10/007-5.16-gpio-realtek-realtek-otto-fix-gpio-line-irq-offset.patch @@ -0,0 +1,21 @@ +gpio: realtek-otto: fix GPIO line IRQ offset + +The irqchip uses one domain for all GPIO lines, so th line offset should be +determined w.r.t. the first line of the first port, not the first line of the +triggered port. + +Fixes: 0d82fb1127fb ("gpio: Add Realtek Otto GPIO support") +Signed-off-by: Sander Vanheule <sander@svanheule.net> +Link: https://lore.kernel.org/linux-gpio/20211028085243.34360-1-sander@svanheule.net/ + +--- a/drivers/gpio/gpio-realtek-otto.c ++++ b/drivers/gpio/gpio-realtek-otto.c +@@ -206,7 +206,7 @@ static void realtek_gpio_irq_handler(str + status = realtek_gpio_read_isr(ctrl, lines_done / 8); + port_pin_count = min(gc->ngpio - lines_done, 8U); + for_each_set_bit(offset, &status, port_pin_count) { +- irq = irq_find_mapping(gc->irq.domain, offset); ++ irq = irq_find_mapping(gc->irq.domain, offset + lines_done); + generic_handle_irq(irq); + } + } |