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PCI: imx6: Add #define PCIE_RC_LCSR

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Define PCIE_RC_LCSR and use it instead of the bare offset "0x80."
No functional change.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2015-06-12 17:27:43 -05:00
parent 1c7fae18a1
commit 2393f79cf9
1 changed files with 3 additions and 1 deletions
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4
drivers/pci/host/pci-imx6.c
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@ -47,6 +47,8 @@ struct imx6_pcie {
#define PCIE_RC_LCR_MAX_LINK_SPEEDS_GEN2 0x2
#define PCIE_RC_LCR_MAX_LINK_SPEEDS_MASK 0xf
#define PCIE_RC_LCSR 0x80
/* PCIe Port Logic registers (memory-mapped) */
#define PL_OFFSET 0x700
#define PCIE_PL_PFLR (PL_OFFSET + 0x08)
@ -427,7 +429,7 @@ static int imx6_pcie_start_link(struct pcie_port *pp)
return ret;
}
tmp = readl(pp->dbi_base + 0x80);
tmp = readl(pp->dbi_base + PCIE_RC_LCSR);
dev_dbg(pp->dev, "Link up, Gen=%i\n", (tmp >> 16) & 0xf);
return 0;
}