@@ -584,9 +584,9 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
reg &= ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
advk_writel(pcie, reg, PCIE_CORE_CMD_STATUS_REG);
- /* Set Advanced Error Capabilities and Control PF0 register */
- reg = PCI_ERR_CAP_ECRC_GENC | PCI_ERR_CAP_ECRC_GENE |
- PCI_ERR_CAP_ECRC_CHKC | PCI_ERR_CAP_ECRC_CHKE;
+ /* Enable generation and checking of ECRC on Root Bridge */
+ reg = advk_readl(pcie, PCIE_CORE_PCIERR_CAP + PCI_ERR_CAP);
+ reg |= PCI_ERR_CAP_ECRC_GENE | PCI_ERR_CAP_ECRC_CHKE;
advk_writel(pcie, reg, PCIE_CORE_PCIERR_CAP + PCI_ERR_CAP);
/* Set PCIe Device Control register */
The bits PCI_ERR_CAP_ECRC_GENC and PCI_ERR_CAP_ECRC_CHKC are read only, reporting the capability of ECRC. Don't write them explicitly, instead read the register (where they are set), and add the bits that enable these features. Signed-off-by: Marek BehĂșn <kabel@kernel.org> --- drivers/pci/controller/pci-aardvark.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)