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authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>2018-05-03 21:37:52 +0200
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2018-05-04 11:04:57 +0200
commitbd7b6d147a14c308a0227852334e01723451c73c (patch)
tree9fff5c68a8ed8d88629467927dcafd9230268381
parentPCI: rcar: Poll PHYRDY in rcar_pcie_hw_init() (diff)
downloadlinux-bd7b6d147a14c308a0227852334e01723451c73c.tar.xz
linux-bd7b6d147a14c308a0227852334e01723451c73c.zip
PCI: rcar: Remove PHYRDY polling from rcar_pcie_hw_init_h1()
Since rcar_pcie_hw_init() is polling PCIEPHYSR.PHYRDY there is no need anymore for polling the PHY specific register in rcar_pcie_hw_init_h1(). Remove it. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> [lorenzo.pieralisi@arm.com: updated commit log] Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
-rw-r--r--drivers/pci/host/pcie-rcar.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
index fa084477a3cd..ac838156d7a4 100644
--- a/drivers/pci/host/pcie-rcar.c
+++ b/drivers/pci/host/pcie-rcar.c
@@ -103,7 +103,6 @@
#define LANE_POS 8
#define ADR_POS 0
#define H1_PCIEPHYDOUTR 0x040014
-#define H1_PCIEPHYSR 0x040018
/* R-Car Gen2 PHY */
#define GEN2_PCIEPHYADDR 0x780
@@ -627,8 +626,6 @@ static int rcar_pcie_hw_init(struct rcar_pcie *pcie)
static int rcar_pcie_hw_init_h1(struct rcar_pcie *pcie)
{
- unsigned int timeout = 10;
-
/* Initialize the phy */
phy_write_reg(pcie, 0, 0x42, 0x1, 0x0EC34191);
phy_write_reg(pcie, 1, 0x42, 0x1, 0x0EC34180);
@@ -647,14 +644,7 @@ static int rcar_pcie_hw_init_h1(struct rcar_pcie *pcie)
phy_write_reg(pcie, 0, 0x64, 0x1, 0x3F0F1F0F);
phy_write_reg(pcie, 0, 0x66, 0x1, 0x00008000);
- while (timeout--) {
- if (rcar_pci_read_reg(pcie, H1_PCIEPHYSR))
- return rcar_pcie_hw_init(pcie);
-
- msleep(5);
- }
-
- return -ETIMEDOUT;
+ return rcar_pcie_hw_init(pcie);
}
static int rcar_pcie_hw_init_gen2(struct rcar_pcie *pcie)