On Wed, Sep 17, 2014 at 09:21:11AM +0200, Michal Sojka wrote:
> All USB peripheral controller drivers called completion routines
> directly. This patch moves the completion call from drivers to
> usb_gadget_giveback_request(), in order to have a place where common
> functionality can be added.
>
> All places in drivers/usb/ matching "[-.]complete(" were replaced with a
> call to usb_gadget_giveback_request(). This was compile-tested with all
> ARM drivers enabled and runtime-tested for musb.
>
> Signed-off-by: Michal Sojka <sojka@xxxxxxxxx>
> ---
> drivers/usb/chipidea/udc.c | 6 +++---
> drivers/usb/dwc2/gadget.c | 6 +++---
> drivers/usb/dwc3/gadget.c | 2 +-
> drivers/usb/gadget/udc/amd5536udc.c | 2 +-
> drivers/usb/gadget/udc/at91_udc.c | 2 +-
> drivers/usb/gadget/udc/atmel_usba_udc.c | 4 ++--
> drivers/usb/gadget/udc/bcm63xx_udc.c | 2 +-
> drivers/usb/gadget/udc/dummy_hcd.c | 10 +++++-----
> drivers/usb/gadget/udc/fotg210-udc.c | 2 +-
> drivers/usb/gadget/udc/fsl_qe_udc.c | 6 +-----
> drivers/usb/gadget/udc/fsl_udc_core.c | 6 ++----
> drivers/usb/gadget/udc/fusb300_udc.c | 2 +-
> drivers/usb/gadget/udc/goku_udc.c | 2 +-
> drivers/usb/gadget/udc/gr_udc.c | 2 +-
> drivers/usb/gadget/udc/lpc32xx_udc.c | 2 +-
> drivers/usb/gadget/udc/m66592-udc.c | 2 +-
> drivers/usb/gadget/udc/mv_u3d_core.c | 8 ++------
> drivers/usb/gadget/udc/mv_udc_core.c | 8 ++------
> drivers/usb/gadget/udc/net2272.c | 2 +-
> drivers/usb/gadget/udc/net2280.c | 2 +-
> drivers/usb/gadget/udc/omap_udc.c | 2 +-
> drivers/usb/gadget/udc/pch_udc.c | 2 +-
> drivers/usb/gadget/udc/pxa25x_udc.c | 2 +-
> drivers/usb/gadget/udc/pxa27x_udc.c | 2 +-
> drivers/usb/gadget/udc/r8a66597-udc.c | 2 +-
> drivers/usb/gadget/udc/s3c-hsudc.c | 3 +--
> drivers/usb/gadget/udc/s3c2410_udc.c | 2 +-
> drivers/usb/gadget/udc/udc-core.c | 19 +++++++++++++++++++
> drivers/usb/musb/musb_gadget.c | 2 +-
> drivers/usb/renesas_usbhs/mod_gadget.c | 2 +-
> include/linux/usb/gadget.h | 8 ++++++++
I would rather split this into several patches, btw. With the
introduction of usb_gadget_giveback_request() being the first one in the
series. It's easier to review that way.
> diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c
> index b0d9817..29789f1 100644
> --- a/drivers/usb/gadget/udc/udc-core.c
> +++ b/drivers/usb/gadget/udc/udc-core.c
> @@ -106,6 +106,25 @@ EXPORT_SYMBOL_GPL(usb_gadget_unmap_request);
>
> /* ------------------------------------------------------------------------- */
>
> +/**
> + * usb_gadget_giveback_request - give the request back to the gadget layer
> + * Context: in_interrupt()
> + *
> + * This is called by device controller drivers in order to return the
> + * completed request back to the gadget layer.
> + */
> +void usb_gadget_giveback_request(struct usb_ep *ep,
> + struct usb_request *req)
> +{
> + if (likely(req->complete))
> + req->complete(ep, req);
> + else
> + pr_err("%s : req->complete must not be NULL\n", __func__);
let it Oops. We require ->complete to be valid, if there's any gadget
driver not setting ->complete, it deserves to oops so we can the error.
--
balbi
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