pci: pcie_dw_rockchip: Replace msleep occurences by udelay

Replace msleep occurences by udelay.

drivers/pci/pcie_dw_rockchip.c:254:3: warning: implicit
     declaration of function 'msleep' [-Wimplicit-function-declaration]

Cc: Patrick Wildt <patrick@blueri.se>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

diff --git a/drivers/pci/pcie_dw_rockchip.c b/drivers/pci/pcie_dw_rockchip.c
index 4e448c0..9322e73 100644 (file)
--- a/drivers/pci/pcie_dw_rockchip.c
+++ b/drivers/pci/pcie_dw_rockchip.c
@@ -61,7 +61,7 @@ struct rk_pcie {
 #define PCIE_CLIENT_DBF_EN             0xffff0003
 
 /* Parameters for the waiting for #perst signal */
-#define PERST_WAIT_MS                  1000
+#define MACRO_US                       1000
 
 static int rk_pcie_read(void __iomem *addr, int size, u32 *val)
 {
@@ -249,7 +249,7 @@ static int rk_pcie_link_up(struct rk_pcie *priv, u32 cap_speed)
                 * some wired devices need much more, such as 600ms.
                 * Add a enough delay to cover all cases.
                 */
-               msleep(PERST_WAIT_MS);
+               udelay(MACRO_US * 1000);
                dm_gpio_set_value(&priv->rst_gpio, 1);
        }
 
@@ -271,12 +271,12 @@ static int rk_pcie_link_up(struct rk_pcie *priv, u32 cap_speed)
                dev_info(priv->dw.dev, "PCIe Linking... LTSSM is 0x%x\n",
                         rk_pcie_readl_apb(priv, PCIE_CLIENT_LTSSM_STATUS));
                rk_pcie_debug_dump(priv);
-               msleep(1000);
+               udelay(MACRO_US * 1000);
        }
 
        dev_err(priv->dw.dev, "PCIe-%d Link Fail\n", dev_seq(priv->dw.dev));
        /* Link maybe in Gen switch recovery but we need to wait more 1s */
-       msleep(1000);
+       udelay(MACRO_US * 1000);
        return -EIO;
 }
 
@@ -296,7 +296,7 @@ static int rockchip_pcie_init_port(struct udevice *dev)
                }
        }
 
-       msleep(1000);
+       udelay(MACRO_US * 1000);
 
        ret = generic_phy_init(&priv->phy);
        if (ret) {