Hi,
On Mon, Mar 21, 2011 at 03:50:19PM +0200, Kalle Jokiniemi wrote:
> 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);
> }
Wrong driver. We are controlling isp1707. The driver is
drivers/power/isp1704_charger.c.
--
heikki
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