diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/812-pcie-0003-PCI-dwc-fix-the-msi-failure-after-pm-operations.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/812-pcie-0003-PCI-dwc-fix-the-msi-failure-after-pm-operations.patch | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/target/linux/layerscape/patches-5.4/812-pcie-0003-PCI-dwc-fix-the-msi-failure-after-pm-operations.patch b/target/linux/layerscape/patches-5.4/812-pcie-0003-PCI-dwc-fix-the-msi-failure-after-pm-operations.patch deleted file mode 100644 index 91b2a34b3f..0000000000 --- a/target/linux/layerscape/patches-5.4/812-pcie-0003-PCI-dwc-fix-the-msi-failure-after-pm-operations.patch +++ /dev/null @@ -1,32 +0,0 @@ -From f5db8274c8d6c86812fd2036ae49153d3ade3eaa Mon Sep 17 00:00:00 2001 -From: richard zhu <hongxing.zhu@nxp.com> -Date: Wed, 6 Nov 2019 15:11:36 +0800 -Subject: [PATCH] PCI: dwc: fix the msi failure after pm operations - -The controller may be powered off (Link is in L3) during the suspend -mode. The MSI_ADDR would be missed after resume and MSI function -would be failed. -Re-store MSI_ADDR to fix the MSI failure after PM operations. - -Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com> -Acked-by: Fugang Duan <fugang.duan@nxp.com> -Acked-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> ---- - drivers/pci/controller/dwc/pcie-designware-host.c | 6 ++++++ - 1 file changed, 6 insertions(+) - ---- a/drivers/pci/controller/dwc/pcie-designware-host.c -+++ b/drivers/pci/controller/dwc/pcie-designware-host.c -@@ -656,6 +656,12 @@ void dw_pcie_setup_rc(struct pcie_port * - dw_pcie_setup(pci); - - if (!pp->ops->msi_host_init) { -+ /* Program the msi_data */ -+ dw_pcie_wr_own_conf(pp, PCIE_MSI_ADDR_LO, 4, -+ lower_32_bits((u64)pp->msi_data)); -+ dw_pcie_wr_own_conf(pp, PCIE_MSI_ADDR_HI, 4, -+ upper_32_bits((u64)pp->msi_data)); -+ - num_ctrls = pp->num_vectors / MAX_MSI_IRQS_PER_CTRL; - - /* Initialize IRQ Status array */ |