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usb: phy: tegra: Increase PHY clock stabilization timeout

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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>
This commit is contained in:
Dmitry Osipenko 2017-12-17 20:02:39 +03:00 committed by Felipe Balbi
parent 5864470a6e
commit 43bcf64e5c
1 changed files with 5 additions and 9 deletions
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14
drivers/usb/phy/phy-tegra-usb.c
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@ -16,7 +16,7 @@
#include <linux/export.h> #include <linux/export.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/io.h> #include <linux/iopoll.h>
#include <linux/gpio.h> #include <linux/gpio.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/of_device.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) static int utmi_wait_register(void __iomem *reg, u32 mask, u32 result)
{ {
unsigned long timeout = 2000; u32 tmp;
do {
if ((readl(reg) & mask) == result) return readl_poll_timeout(reg, tmp, (tmp & mask) == result,
return 0; 2000, 6000);
udelay(1);
timeout--;
} while (timeout);
return -1;
} }
static void utmi_phy_clk_disable(struct tegra_usb_phy *phy) static void utmi_phy_clk_disable(struct tegra_usb_phy *phy)