[Letux-kernel] [PATCH] musb: omap2430: make b_host.sh script work again

H. Nikolaus Schaller hns at goldelico.com
Fri Jul 29 22:44:03 CEST 2016


Hi Andreas,
great progress!!!

Seems as if we have some breakthrough together with your other branch :)

As soon as this stabilizes, please push some feature branch on top of letux-base
so that I can easily merge.

BR and thanks,
Nikolaus


> Am 29.07.2016 um 22:15 schrieb Andreas Kemnade <andreas at kemnade.info>:
> 
> In 1ace8fcf607f87b48477ffbaee1d64a8b902282d some parts which are vital
> for the b_host.sh script were removed, re-add them together with an entry in
> the platform ops table
> 
> Signed-off-by: Andreas Kemnade <andreas at kemnade.info>
> ---
> drivers/usb/musb/omap2430.c | 25 ++++++++++++++++++++++++-
> 1 file changed, 24 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
> index c7ae117..44b2b3f 100644
> --- a/drivers/usb/musb/omap2430.c
> +++ b/drivers/usb/musb/omap2430.c
> @@ -122,6 +122,29 @@ static void omap2430_musb_set_vbus(struct musb *musb, int is_on)
> 		musb_readb(musb->mregs, MUSB_DEVCTL));
> }
> 
> +static int omap2430_musb_set_mode(struct musb *musb, u8 musb_mode)
> +{
> +	u8	devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
> +
> +	devctl |= MUSB_DEVCTL_SESSION;
> +
> +	/* this bit only works in the b_peripheral state
> +	 * to start the transition to b_wait_aconn
> +	 * and would normally be set through as a response
> +	 * to a b_hnp_enable
> +	 */
> +
> +	if (musb_mode == MUSB_HOST) {
> +		devctl |= MUSB_DEVCTL_HR;
> +		if (musb->g.is_otg)
> +			musb->g.b_hnp_enable = 1;
> +	} else if (musb_mode == MUSB_PERIPHERAL) {
> +		devctl &= (~MUSB_DEVCTL_HR);
> +	}
> +	musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
> +	return 0;
> +}
> +
> static inline void omap2430_low_level_exit(struct musb *musb)
> {
> 	u32 l;
> @@ -449,7 +472,7 @@ static const struct musb_platform_ops omap2430_ops = {
> 	.exit		= omap2430_musb_exit,
> 
> 	.set_vbus	= omap2430_musb_set_vbus,
> -
> +	.set_mode	= omap2430_musb_set_mode,
> 	.enable		= omap2430_musb_enable,
> 	.disable	= omap2430_musb_disable,
> 
> -- 
> 2.1.4
> 
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