diff options
Diffstat (limited to 'target/linux/ipq40xx/patches-4.19/084-ARM-dts-qcom-ipq4019-Fix-MSI-IRQ-type.patch')
-rw-r--r-- | target/linux/ipq40xx/patches-4.19/084-ARM-dts-qcom-ipq4019-Fix-MSI-IRQ-type.patch | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/target/linux/ipq40xx/patches-4.19/084-ARM-dts-qcom-ipq4019-Fix-MSI-IRQ-type.patch b/target/linux/ipq40xx/patches-4.19/084-ARM-dts-qcom-ipq4019-Fix-MSI-IRQ-type.patch deleted file mode 100644 index b5492c9f98..0000000000 --- a/target/linux/ipq40xx/patches-4.19/084-ARM-dts-qcom-ipq4019-Fix-MSI-IRQ-type.patch +++ /dev/null @@ -1,32 +0,0 @@ -From: Niklas Cassel <niklas.cassel@linaro.org> -Subject: [PATCH] ARM: dts: qcom: ipq4019: Fix MSI IRQ type -Date: Thu, 24 Jan 2019 14:00:47 +0100 - -The databook clearly states that the MSI IRQ (msi_ctrl_int) is a level -triggered interrupt. - -The msi_ctrl_int will be high for as long as any MSI status bit is set, -thus the IRQ type should be set to IRQ_TYPE_LEVEL_HIGH, causing the -IRQ handler to keep getting called, as long as any MSI status bit is set. - -A git grep shows that ipq4019 is the only SoC using snps,dw-pcie that has -configured this IRQ incorrectly. - -Not having the correct IRQ type defined will cause us to lose interrupts, -which in turn causes timeouts in the PCIe endpoint drivers. - -Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org> -Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> ---- - ---- a/arch/arm/boot/dts/qcom-ipq4019.dtsi -+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi -@@ -408,7 +408,7 @@ - ranges = <0x81000000 0 0x40200000 0x40200000 0 0x00100000>, - <0x82000000 0 0x40300000 0x40300000 0 0x00d00000>; - -- interrupts = <GIC_SPI 141 IRQ_TYPE_EDGE_RISING>; -+ interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "msi"; - #interrupt-cells = <1>; - interrupt-map-mask = <0 0 0 0x7>; |