shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-06 10:58:48 +09:00
Code Issues Packages Projects Releases Wiki Activity

PCI: rockchip: rk: fix subsys_irq_handler logic

Browse Source 
Clear irq status first then handle the udma interrupt.

Change-Id: I3638524b7bd09ad21a431bfebd3ba0b5bfbe7b8e
Signed-off-by: Simon Xue <xxm@rock-chips.com>
This commit is contained in:
Simon Xue
2021-07-29 09:54:22 +08:00
committed by Tao Huang
parent 7a101ebabb
commit 905df02dc1
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/pci/controller/pcie-rockchip-host.c
View File

@@ -546,9 +546,9 @@ static irqreturn_t rockchip_pcie_subsys_irq_handler(int irq, void *arg)
}
if (reg & PCIE_CLIENT_INT_UDMA) {
rockchip_pcie_handle_dma_interrupt(rockchip);
rockchip_pcie_write(rockchip, sub_reg, PCIE_CLIENT_INT_STATUS);
rockchip_pcie_write(rockchip, reg, PCIE_CLIENT_INT_STATUS);
rockchip_pcie_handle_dma_interrupt(rockchip);
}
rockchip_pcie_write(rockchip, reg & PCIE_CLIENT_INT_LOCAL,