In case some board has special powering sequences for
the USB tranceiver, call those during __twl4030_phy_power
calls.
This is a preparation patch to allow powering down the
ISP1707 USB serial tranceiver in Nokia N900.
Signed-off-by: Kalle Jokiniemi <kalle.jokiniemi@xxxxxxxxx>
---
drivers/usb/otg/twl4030-usb.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/otg/twl4030-usb.c b/drivers/usb/otg/twl4030-usb.c
index 6ca505f..dea99b1 100644
--- a/drivers/usb/otg/twl4030-usb.c
+++ b/drivers/usb/otg/twl4030-usb.c
@@ -348,13 +348,20 @@ static void twl4030_i2c_access(struct twl4030_usb *twl, int on)
static void __twl4030_phy_power(struct twl4030_usb *twl, int on)
{
- u8 pwr = twl4030_usb_read(twl, PHY_PWR_CTRL);
+ u8 pwr;
+ struct twl4030_usb_data *board = twl->dev->platform_data;
+
+ pwr = twl4030_usb_read(twl, PHY_PWR_CTRL);
if (on)
pwr &= ~PHY_PWR_PHYPWD;
else
pwr |= PHY_PWR_PHYPWD;
+ /* do board specific power up/down, if available */
+ if (board->phy_power)
+ board->phy_power(twl->dev, 0, on);
+
WARN_ON(twl4030_usb_write_verify(twl, PHY_PWR_CTRL, pwr) < 0);
}
--
1.7.1
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
