When PHY reset pin is connected to a GPIO on external GPIO chip
(e.g. I2C), we should not call the gpio_set_value() function, but
gpio_set_value_cansleep().
Signed-off-by: Igor Grinberg <redacted>
---
This patch depends on the patch from Keshava [1]:
ARM: OMAP3: USB: Fix the EHCI ULPI PHY reset issue
[1] http://www.spinics.net/lists/linux-omap/msg66774.html
drivers/usb/host/ehci-omap.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index 5c78f9e..26e9241 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -258,10 +258,10 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
udelay(10);
if (gpio_is_valid(pdata->reset_gpio_port[0]))
- gpio_set_value(pdata->reset_gpio_port[0], 1);
+ gpio_set_value_cansleep(pdata->reset_gpio_port[0], 1);
if (gpio_is_valid(pdata->reset_gpio_port[1]))
- gpio_set_value(pdata->reset_gpio_port[1], 1);
+ gpio_set_value_cansleep(pdata->reset_gpio_port[1], 1);
}
return 0;
--
1.7.3.4