[openwrt/openwrt] mediatek: mt7622: add irq for spi-nor controller

[LEDE Commits]

981213 pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/99cd44487e2e7205e1521a52faf498dfda6f100c

commit 99cd44487e2e7205e1521a52faf498dfda6f100c
Author: Chuanhong Guo <gch981213 at gmail.com>
AuthorDate: Sat Apr 30 20:24:07 2022 +0800

    mediatek: mt7622: add irq for spi-nor controller
    
    Save some CPU from unnecessary polling and make SPI flash reading
    a tiny bit faster.
    
    Signed-off-by: Chuanhong Guo <gch981213 at gmail.com>
---
 .../linux/mediatek/patches-5.15/104-mt7622-add-snor-irq.patch  | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/target/linux/mediatek/patches-5.15/104-mt7622-add-snor-irq.patch b/target/linux/mediatek/patches-5.15/104-mt7622-add-snor-irq.patch
new file mode 100644
index 0000000000..506db69152
--- /dev/null
+++ b/target/linux/mediatek/patches-5.15/104-mt7622-add-snor-irq.patch
@@ -0,0 +1,10 @@
+--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
++++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+@@ -577,6 +577,7 @@
+ 		compatible = "mediatek,mt7622-nor",
+ 			     "mediatek,mt8173-nor";
+ 		reg = <0 0x11014000 0 0xe0>;
++		interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_LOW>;
+ 		clocks = <&pericfg CLK_PERI_FLASH_PD>,
+ 			 <&topckgen CLK_TOP_FLASH_SEL>;
+ 		clock-names = "spi", "sf";