On Fri, Aug 22, 2014 at 05:50:19PM +0200, Antoine Ténart wrote:
> Move the usb_otg member from struct usb_phy to struct ci_hdrc. Rework
> its initialization taking in account this modification.
>
If the common usb_otg and usb_phy struct still has another's pointer, you
may not need to add this patch.
> Signed-off-by: Antoine Ténart <antoine.tenart@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/usb/chipidea/ci.h | 1 +
> drivers/usb/chipidea/host.c | 8 +++-----
> drivers/usb/chipidea/otg_fsm.c | 15 ++-------------
> 3 files changed, 6 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
> index b2caa1772712..dac5ab6adfa2 100644
> --- a/drivers/usb/chipidea/ci.h
> +++ b/drivers/usb/chipidea/ci.h
> @@ -177,6 +177,7 @@ struct ci_hdrc {
> struct ci_role_driver *roles[CI_ROLE_END];
> enum ci_role role;
> bool is_otg;
> + struct usb_otg otg;
> struct otg_fsm fsm;
> struct ci_otg_fsm_timer_list *fsm_timer;
> struct work_struct work;
> diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
> index 0b67d78dd953..0952d4adfa4c 100644
> --- a/drivers/usb/chipidea/host.c
> +++ b/drivers/usb/chipidea/host.c
> @@ -85,13 +85,11 @@ static int host_start(struct ci_hdrc *ci)
> if (ret) {
> goto disable_reg;
> } else {
> - struct usb_otg *otg = ci->usb_phy->otg;
> + struct usb_otg *otg = &ci->otg;
>
> ci->hcd = hcd;
> - if (otg) {
> - otg->host = &hcd->self;
> - hcd->self.otg_port = 1;
> - }
> + otg->host = &hcd->self;
> + hcd->self.otg_port = 1;
> }
You may need use other way to identify if otg is supported or not
>
> if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING)
> diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c
> index 8a64ce87364e..7eb86863fb3c 100644
> --- a/drivers/usb/chipidea/otg_fsm.c
> +++ b/drivers/usb/chipidea/otg_fsm.c
> @@ -778,20 +778,9 @@ void ci_hdrc_otg_fsm_start(struct ci_hdrc *ci)
> int ci_hdrc_otg_fsm_init(struct ci_hdrc *ci)
> {
> int retval = 0;
> - struct usb_otg *otg;
>
> - otg = devm_kzalloc(ci->dev,
> - sizeof(struct usb_otg), GFP_KERNEL);
> - if (!otg) {
> - dev_err(ci->dev,
> - "Failed to allocate usb_otg structure for ci hdrc otg!\n");
> - return -ENOMEM;
> - }
> -
> - otg->usb_phy = ci->usb_phy;
> - otg->gadget = &ci->gadget;
> - ci->fsm.otg = otg;
> - ci->usb_phy->otg = ci->fsm.otg;
> + ci->otg.usb_phy = ci->usb_phy;
> + ci->fsm.otg = &ci->otg;
> ci->fsm.power_up = 1;
> ci->fsm.id = hw_read_otgsc(ci, OTGSC_ID) ? 1 : 0;
> ci->fsm.otg->state = OTG_STATE_UNDEFINED;
Why otg->gadget and ci->usb_phy->otg initialization are deleted?
At least, the parameters of usb_otg_state_string at your 7th patch uses it.
--
Best Regards,
Peter Chen
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