diff options
| author |   Dmitry Osipenko <digetx@gmail.com> | 2017-12-17 20:02:39 +0300 |
|---|---|---|
| committer |   Felipe Balbi <felipe.balbi@linux.intel.com> | 2018-03-13 10:47:52 +0200 |
| commit | 43bcf64e5cdc3da44363eb2be157c3c99b5d4e7c (patch) | |
| tree | 148734317f2aac01bcdde3367ff98c5333e7561a /drivers/usb/phy | |
| parent | usb: phy-generic: Use gpiod_set_value_cansleep (diff) | |
| download | linux-dev-43bcf64e5cdc3da44363eb2be157c3c99b5d4e7c.tar.xz linux-dev-43bcf64e5cdc3da44363eb2be157c3c99b5d4e7c.zip | |
usb: phy: tegra: Increase PHY clock stabilization timeout
This fixes "utmi_phy_clk_enable: timeout waiting for phy to stabilize"
error message.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/phy')
| -rw-r--r-- | drivers/usb/phy/phy-tegra-usb.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c index f668bfb708d3..0e8d23e51732 100644 --- a/drivers/usb/phy/phy-tegra-usb.c +++ b/drivers/usb/phy/phy-tegra-usb.c @@ -16,7 +16,7 @@ #include <linux/export.h> #include <linux/module.h> #include <linux/platform_device.h> -#include <linux/io.h> +#include <linux/iopoll.h> #include <linux/gpio.h> #include <linux/of.h> #include <linux/of_device.h> @@ -305,14 +305,10 @@ static int utmip_pad_power_off(struct tegra_usb_phy *phy) static int utmi_wait_register(void __iomem *reg, u32 mask, u32 result) { - unsigned long timeout = 2000; - do { - if ((readl(reg) & mask) == result) - return 0; - udelay(1); - timeout--; - } while (timeout); - return -1; + u32 tmp; + + return readl_poll_timeout(reg, tmp, (tmp & mask) == result, + 2000, 6000); } static void utmi_phy_clk_disable(struct tegra_usb_phy *phy) |