bcm27xx: bcm2712: backport RP1 interrupt affinity

[openwrt/openwrt.git] / target / linux / bcm27xx / patches-6.1 / 961-2-pinctrl-rp1-Use-the-correct-per-bank-GPIO-base.patch

diff --git a/target/linux/bcm27xx/patches-6.1/961-2-pinctrl-rp1-Use-the-correct-per-bank-GPIO-base.patch b/target/linux/bcm27xx/patches-6.1/961-2-pinctrl-rp1-Use-the-correct-per-bank-GPIO-base.patch
new file mode 100644 (file)
index 0000000..213df3f
--- /dev/null
+++ b/target/linux/bcm27xx/patches-6.1/961-2-pinctrl-rp1-Use-the-correct-per-bank-GPIO-base.patch
@@ -0,0 +1,30 @@
+From d11b1d7f7df4bd1a5ab4df35b2a5c8569f2eacbe Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.com>
+Date: Thu, 4 Apr 2024 10:47:46 +0100
+Subject: [PATCH 2/5] pinctrl: rp1: Use the correct per-bank GPIO base
+
+The GPIO start for each bank - min_gpio - must be used in the IRQ
+handler.
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.com>
+---
+ drivers/pinctrl/pinctrl-rp1.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/drivers/pinctrl/pinctrl-rp1.c
++++ b/drivers/pinctrl/pinctrl-rp1.c
+@@ -781,12 +781,12 @@ static void rp1_gpio_irq_handler(struct
+ 
+       ints = readl(pc->gpio_base + bank->ints_offset);
+       for_each_set_bit(b, &ints, 32) {
+-              struct rp1_pin_info *pin = rp1_get_pin(chip, b);
++              struct rp1_pin_info *pin = rp1_get_pin(chip, bank->min_gpio + b);
+ 
+               writel(RP1_GPIO_CTRL_IRQRESET,
+                      pin->gpio + RP1_SET_OFFSET + RP1_GPIO_CTRL);
+               generic_handle_irq(irq_linear_revmap(pc->gpio_chip.irq.domain,
+-                                                   bank->gpio_offset + b));
++                                                   bank->min_gpio + b));
+       }
+ 
+       chained_irq_exit(host_chip, desc);