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+rene...@gmail.com> Cc: Geert Uytterhoeven <geert+rene...@glider.be> Cc: Phil Edworthy <phil.edwor...@renesas.com> Cc: Simon Horman <horms+rene...@verge.net.au> Cc: Wolfram Sang <w...@the-dreams.de> Cc: linux-renesas-soc@vger.kernel.org --- 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 93d59f15c589..099998f1923a 100644 --- a/drivers/pci/host/pcie-rcar.c +++ b/drivers/pci/host/pcie-rcar.c @@ -528,13 +528,13 @@ 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; -- 2.16.2