Re: [PATCH 2/3] usb: misc: usb3503: Remove hardcoded disabling ofports 2 and 3

From: Dongjin Kim
Date: Fri May 31 2013 - 23:02:20 EST


Hi,

I have sent two patches for the same issue, these two are merged into
Greg's tree. Please review the patches.

[1] https://patchwork.kernel.org/patch/2599021
[2] https://patchwork.kernel.org/patch/2599031

Many thanks,
Dongjin.

On Sat, Jun 1, 2013 at 10:34 AM, Julius Werner <jwerner@xxxxxxxxxxxx> wrote:
> The usb3503 driver currently disables port 2 and 3 without explaination.
> It doesn't make sense to do this in a mainline Linux driver that should
> support all platforms which use this chip. If specific use cases really
> require ports to be disabled, this should either be done through local
> patches or a configurable mechanism (such as a device tree property).
> Until then, let's keep all ports enabled.
>
> Signed-off-by: Julius Werner <jwerner@xxxxxxxxxxxx>
> ---
> drivers/usb/misc/usb3503.c | 8 --------
> 1 file changed, 8 deletions(-)
>
> diff --git a/drivers/usb/misc/usb3503.c b/drivers/usb/misc/usb3503.c
> index 73aeb87..a647a2e 100644
> --- a/drivers/usb/misc/usb3503.c
> +++ b/drivers/usb/misc/usb3503.c
> @@ -134,14 +134,6 @@ static int usb3503_switch_mode(struct usb3503 *hub, enum usb3503_mode mode)
> goto err_hubmode;
> }
>
> - /* PDS : Port2,3 Disable For Self Powered Operation */
> - err = usb3503_set_bits(i2c, USB3503_PDS,
> - (USB3503_PORT2 | USB3503_PORT3));
> - if (err < 0) {
> - dev_err(&i2c->dev, "PDS failed (%d)\n", err);
> - goto err_hubmode;
> - }
> -
> /* CFG1 : SELF_BUS_PWR -> Self-Powerd operation */
> err = usb3503_set_bits(i2c, USB3503_CFG1, USB3503_SELF_BUS_PWR);
> if (err < 0) {
> --
> 1.7.12.4
>
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