diff options
| author | Felix Fietkau <nbd@nbd.name> | 2020-10-24 21:15:20 +0200 |
|---|---|---|
| committer | Daniel Golle <daniel@makrotopia.org> | 2021-02-28 00:45:56 +0000 |
| commit | c46ccb69d17e584479df849a107423175a143c83 (patch) | |
| tree | 10c0b329ba571cbdd366e48e61173a64e56c841d /target/linux/mediatek/patches-5.10/610-pcie-mediatek-fix-clearing-interrupt-status.patch | |
| parent | 11425c9de29c8b9c5e4d7eec163a6afbb7fbdce2 (diff) | |
| download | upstream-c46ccb69d17e584479df849a107423175a143c83.tar.gz upstream-c46ccb69d17e584479df849a107423175a143c83.tar.bz2 upstream-c46ccb69d17e584479df849a107423175a143c83.zip | |
mediatek: mt7622: add Linux 5.10 support
Switch mt7622 subtarget to Linux 5.10, it has been tested by many of us
on several devices for a couple of weeks already.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/mediatek/patches-5.10/610-pcie-mediatek-fix-clearing-interrupt-status.patch')
| -rw-r--r-- | target/linux/mediatek/patches-5.10/610-pcie-mediatek-fix-clearing-interrupt-status.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.10/610-pcie-mediatek-fix-clearing-interrupt-status.patch b/target/linux/mediatek/patches-5.10/610-pcie-mediatek-fix-clearing-interrupt-status.patch new file mode 100644 index 0000000000..7b74a8ac73 --- /dev/null +++ b/target/linux/mediatek/patches-5.10/610-pcie-mediatek-fix-clearing-interrupt-status.patch @@ -0,0 +1,24 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Fri, 4 Sep 2020 18:33:27 +0200 +Subject: [PATCH] pcie-mediatek: fix clearing interrupt status + +Clearing the status needs to happen after running the handler, otherwise +we will get an extra spurious interrupt after the cause has been cleared + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/drivers/pci/controller/pcie-mediatek.c ++++ b/drivers/pci/controller/pcie-mediatek.c +@@ -613,10 +613,10 @@ static void mtk_pcie_intr_handler(struct + if (status & INTX_MASK) { + for_each_set_bit_from(bit, &status, PCI_NUM_INTX + INTX_SHIFT) { + /* Clear the INTx */ +- writel(1 << bit, port->base + PCIE_INT_STATUS); + virq = irq_find_mapping(port->irq_domain, + bit - INTX_SHIFT); + generic_handle_irq(virq); ++ writel(1 << bit, port->base + PCIE_INT_STATUS); + } + } + |