On Fri, Nov 10, 2017 at 10:58:39PM +0100, Marek Vasut wrote:
> The data link active signal usually takes ~20 uSec to be asserted,
> poll the bit more often to avoid useless delays in this function.
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
> Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Cc: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
> Cc: Simon Horman <horms+renesas@xxxxxxxxxxxx>
> Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx>
> Cc: linux-renesas-soc@xxxxxxxxxxxxxxx
Acked-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
> ---
> V2: New patch
> ---
> drivers/pci/host/pcie-rcar.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
> index e00f865952d5..351e1276b90a 100644
> --- a/drivers/pci/host/pcie-rcar.c
> +++ b/drivers/pci/host/pcie-rcar.c
> @@ -531,13 +531,13 @@ static void phy_write_reg(struct rcar_pcie *pcie,
>
> static int rcar_pcie_wait_for_dl(struct rcar_pcie *pcie)
> {
> - unsigned int timeout = 10;
> + unsigned int timeout = 10000;
>
> while (timeout--) {
> if ((rcar_pci_read_reg(pcie, PCIETSTR) & DATA_LINK_ACTIVE))
> return 0;
>
> - msleep(5);
> + udelay(5);
> }
>
> return -ETIMEDOUT;
> --
> 2.11.0
>
