Am Mon, Apr 26, 2021 at 01:26:32PM +0000 schrieb Anand Moon:
> Use udelay instead of msleep fix the below warning.

You sure that's correct? the m in msleep means milli, while the u
in udelay means micro.  That's a factor of 1000 of a difference.

> drivers/pci/pcie_dw_rockchip.c:254:3: warning: implicit
>       declaration of function 'msleep' [-Wimplicit-function-declaration]
> 
> Cc: Neil Armstrong <narmstr...@baylibre.com>
> Cc: Kever Yang <kever.y...@rock-chips.com>
> Signed-off-by: Anand Moon <linux.am...@gmail.com>
> ---
>  drivers/pci/pcie_dw_rockchip.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/pci/pcie_dw_rockchip.c b/drivers/pci/pcie_dw_rockchip.c
> index e7f42604ab..6c87ee1ea0 100644
> --- a/drivers/pci/pcie_dw_rockchip.c
> +++ b/drivers/pci/pcie_dw_rockchip.c
> @@ -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(PERST_WAIT_MS);
>               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(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(1000);
>       return -EIO;
>  }
>  
> @@ -296,7 +296,7 @@ static int rockchip_pcie_init_port(struct udevice *dev)
>               }
>       }
>  
> -     msleep(1000);
> +     udelay(1000);
>  
>       ret = generic_phy_init(&priv->phy);
>       if (ret) {
> -- 
> 2.31.1
> 

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