Commit b015b37e authored by Hou Zhiqiang's avatar Hou Zhiqiang Committed by Bjorn Helgaas

PCI: artpec6: Stop enabling writes to DBI read-only registers

Previously we enabled writes to the DBI read-only registers so the Class
Code fix in dw_pcie_setup_rc() would work.  But now dw_pcie_setup_rc()
enables write permission itself, so we don't need to do it here.

Stop enabling writes to the DBI read-only registers.
Signed-off-by: default avatarHou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Acked-by: default avatarRoy Zang <tie-fei.zang@freescale.com>
parent c3f90939
...@@ -141,12 +141,6 @@ static int artpec6_pcie_establish_link(struct artpec6_pcie *artpec6_pcie) ...@@ -141,12 +141,6 @@ static int artpec6_pcie_establish_link(struct artpec6_pcie *artpec6_pcie)
artpec6_pcie_writel(artpec6_pcie, PCIECFG, val); artpec6_pcie_writel(artpec6_pcie, PCIECFG, val);
usleep_range(100, 200); usleep_range(100, 200);
/*
* Enable writing to config regs. This is required as the Synopsys
* driver changes the class code. That register needs DBI write enable.
*/
dw_pcie_writel_dbi(pci, MISC_CONTROL_1_OFF, DBI_RO_WR_EN);
/* setup root complex */ /* setup root complex */
dw_pcie_setup_rc(pp); dw_pcie_setup_rc(pp);
......
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