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path: root/drivers/pci/controller/dwc/pci-keystone.c
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Diffstat (limited to 'drivers/pci/controller/dwc/pci-keystone.c')
-rw-r--r--drivers/pci/controller/dwc/pci-keystone.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
index 3576a184b9eb..2decbaec81a3 100644
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -40,7 +40,7 @@
#define LTSSM_EN_VAL BIT(0)
#define LTSSM_STATE_MASK 0x1f
#define LTSSM_STATE_L0 0x11
-#define DBI_CS2_EN_VAL 0x20
+#define DBI_CS2 BIT(5)
#define OB_XLAT_EN_VAL BIT(1)
/* Application registers */
@@ -315,11 +315,12 @@ static void ks_pcie_set_dbi_mode(struct keystone_pcie *ks_pcie)
u32 val;
val = ks_pcie_app_readl(ks_pcie, CMD_STATUS);
- ks_pcie_app_writel(ks_pcie, CMD_STATUS, DBI_CS2_EN_VAL | val);
+ val |= DBI_CS2;
+ ks_pcie_app_writel(ks_pcie, CMD_STATUS, val);
do {
val = ks_pcie_app_readl(ks_pcie, CMD_STATUS);
- } while (!(val & DBI_CS2_EN_VAL));
+ } while (!(val & DBI_CS2));
}
/**
@@ -333,11 +334,12 @@ static void ks_pcie_clear_dbi_mode(struct keystone_pcie *ks_pcie)
u32 val;
val = ks_pcie_app_readl(ks_pcie, CMD_STATUS);
- ks_pcie_app_writel(ks_pcie, CMD_STATUS, ~DBI_CS2_EN_VAL & val);
+ val &= ~DBI_CS2;
+ ks_pcie_app_writel(ks_pcie, CMD_STATUS, val);
do {
val = ks_pcie_app_readl(ks_pcie, CMD_STATUS);
- } while (val & DBI_CS2_EN_VAL);
+ } while (val & DBI_CS2);
}
static void ks_pcie_setup_rc_app_regs(struct keystone_pcie *ks_pcie)