diff options
| author | Shiji Yang <yangshiji66@qq.com> | 2023-05-31 08:31:18 +0800 |
|---|---|---|
| committer | David Bauer <mail@david-bauer.net> | 2023-09-08 18:06:30 +0200 |
| commit | 54758cf24bd8123c724c59805a21d940db0b058c (patch) | |
| tree | 52a4db660bc8762153d204c6a8f9afcdedb90e8f /target/linux | |
| parent | 7189b4578466a8a4c570ee328895d8a97a942893 (diff) | |
| download | openwrt-54758cf24bd8123c724c59805a21d940db0b058c.tar.gz openwrt-54758cf24bd8123c724c59805a21d940db0b058c.tar.bz2 openwrt-54758cf24bd8123c724c59805a21d940db0b058c.zip | |
ath79: ignore the abused interrupt-map on PCIe node
ath79 PCIe interrupt controller has stopped working correctly. This
is because the DT exposing a non-sensical interrupt-map property,
and their drivers relying on the kernel ignoring this property[1].
This patch fixes the PCIe init error:
ath9k 0000:00:00.0: of_irq_parse_pci: failed with rc=-14
Notice:
This is just a workaround, not a fix. PCIe driver and related dts
node need to be rewritten.
[1] https://lore.kernel.org/all/20211201114102.13446-1-maz@kernel.org/
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/ath79/patches-6.1/810-ath79-ignore-the-abused-interrupt-map-on-pcie-node.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/ath79/patches-6.1/810-ath79-ignore-the-abused-interrupt-map-on-pcie-node.patch b/target/linux/ath79/patches-6.1/810-ath79-ignore-the-abused-interrupt-map-on-pcie-node.patch new file mode 100644 index 0000000000..980c265fe6 --- /dev/null +++ b/target/linux/ath79/patches-6.1/810-ath79-ignore-the-abused-interrupt-map-on-pcie-node.patch @@ -0,0 +1,33 @@ +From: Shiji Yang <yangshiji66@outlook.com> +Date: Wed, 31 May 2023 00:15:23 +0000 +Subject: [PATCH] ath79: ignore the abused interrupt-map on pcie node + +ath79 PCIe interrupt controller has stopped working correctly. This +is because the DT exposing a non-sensical interrupt-map property, +and their drivers relying on the kernel ignoring this property[1]. + +This patch fix the pcie init error: +ath9k 0000:00:00.0: of_irq_parse_pci: failed with rc=-14 + +Notice: +This is just a workaround, not a fix. PCIe driver and related dts +node need to be rewritten. + +[1] https://lore.kernel.org/all/20211201114102.13446-1-maz@kernel.org/ + +Signed-off-by: Shiji Yang <yangshiji66@outlook.com> +--- + drivers/of/irq.c | 2 ++ + 1 file changed, 2 insertions(+) + +--- a/drivers/of/irq.c ++++ b/drivers/of/irq.c +@@ -86,6 +86,8 @@ EXPORT_SYMBOL_GPL(of_irq_find_parent); + * drawing board. + */ + static const char * const of_irq_imap_abusers[] = { ++ "qca,ar7100-pci", ++ "qcom,ar7240-pci", + "CBEA,platform-spider-pic", + "sti,platform-spider-pic", + "realtek,rtl-intc", |