On Mon, Feb 04, 2013 at 02:24:32PM +0100, Sascha Hauer wrote:
> Even if a chipidea core is otg capable the board may not. This allows
> to explicitly set the core to host/peripheral mode. Without these
> flags the driver falls back to the old behaviour.
>
> Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
> ---
> drivers/usb/chipidea/core.c | 21 +++++++++++++++------
> include/linux/usb/chipidea.h | 2 +-
> 2 files changed, 16 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
> index 04d68cb..c89f2aa 100644
> --- a/drivers/usb/chipidea/core.c
> +++ b/drivers/usb/chipidea/core.c
> @@ -435,6 +435,7 @@ static int ci_hdrc_probe(struct platform_device *pdev)
> struct resource *res;
> void __iomem *base;
> int ret;
> + enum usb_dr_mode dr_mode;
>
> if (!dev->platform_data) {
> dev_err(dev, "platform data missing\n");
> @@ -487,14 +488,22 @@ static int ci_hdrc_probe(struct platform_device *pdev)
> return -ENODEV;
> }
>
> - ret = ci_hdrc_gadget_init(ci);
> - if (ret)
> - dev_info(dev, "doesn't support gadget\n");
> + if (dr_mode == USB_DR_MODE_OTG || dr_mode == USB_DR_MODE_PERIPHERAL) {
Can we change "USB_DR_MODE_PERIPHERAL" to "USB_DR_MODE_GADGET", since we always
use gadget to stands for device or peripheral mode at code (like below
CI_ROLE_GADGET), it may make code uniform.
> + ret = ci_hdrc_gadget_init(ci);
> + if (ret)
> + dev_info(dev, "doesn't support gadget\n");
> + }
>
> if (!ci->roles[CI_ROLE_HOST] && !ci->roles[CI_ROLE_GADGET]) {
> dev_err(dev, "no supported roles\n");
--
Best Regards,
Peter Chen
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