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SubjectRe: [PATCH v4 8/9] usb: chipidea: move usb_otg into struct ci_hdrc
On Wed, Sep 03, 2014 at 09:40:39AM +0200, Antoine Tenart wrote:
> Move the usb_otg member from struct usb_phy to struct ci_hdrc. Rework
> its initialization taking in account this modification.
>
> Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
> ---
> drivers/usb/chipidea/ci.h | 1 +
> drivers/usb/chipidea/host.c | 5 +++--
> drivers/usb/chipidea/otg_fsm.c | 16 +++-------------
> 3 files changed, 7 insertions(+), 15 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..4fcebb6a6d14 100644
> --- a/drivers/usb/chipidea/host.c
> +++ b/drivers/usb/chipidea/host.c
> @@ -85,10 +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) {
> +
> + if (ci_otg_is_fsm_mode(ci)) {
> otg->host = &hcd->self;
> hcd->self.otg_port = 1;
> }
> diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c
> index 8a64ce87364e..862d7cb01b92 100644
> --- a/drivers/usb/chipidea/otg_fsm.c
> +++ b/drivers/usb/chipidea/otg_fsm.c
> @@ -778,20 +778,10 @@ 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->otg.gadget = &ci->gadget;
> + 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;
> --

Acked-by: Peter Chen <peter.chen@freescale.com>

--
Best Regards,
Peter Chen


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