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| author | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2018-05-03 21:37:52 +0200 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2018-05-04 11:04:57 +0200 |
| commit | bd7b6d147a14c308a0227852334e01723451c73c (patch) | |
| tree | 9fff5c68a8ed8d88629467927dcafd9230268381 /drivers/pci | |
| parent | PCI: rcar: Poll PHYRDY in rcar_pcie_hw_init() (diff) | |
| download | linux-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>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/host/pcie-rcar.c | 12 |
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) |