From 0c6ef985ced753b60ecdc091fa49c3f5fa4a4f79 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Mon, 10 Oct 2011 22:00:59 -0700 Subject: usb: gadget: renesas_usbhs: struct usbhs_pipe hold handler packet handler had moved to struct usbhs_pipe from struct usbhsg_uep. it is preparation of mod_host support Signed-off-by: Kuninori Morimoto Signed-off-by: Felipe Balbi --- drivers/usb/renesas_usbhs/fifo.c | 12 ++++++++---- drivers/usb/renesas_usbhs/fifo.h | 1 - drivers/usb/renesas_usbhs/mod_gadget.c | 14 ++++++-------- drivers/usb/renesas_usbhs/pipe.h | 2 ++ 4 files changed, 16 insertions(+), 13 deletions(-) (limited to 'drivers/usb/renesas_usbhs') diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 7eacacda8589..328238c373f6 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -54,7 +54,6 @@ static struct usbhs_pkt_handle usbhsf_null_handler = { }; void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt, - struct usbhs_pkt_handle *handler, void *buf, int len, int zero) { struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); @@ -64,17 +63,22 @@ void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt, /******************** spin lock ********************/ usbhs_lock(priv, flags); - if (!handler) { + if (!pipe->handler) { dev_err(dev, "no handler function\n"); - handler = &usbhsf_null_handler; + pipe->handler = &usbhsf_null_handler; } list_del_init(&pkt->node); list_add_tail(&pkt->node, &pipe->list); + /* + * each pkt must hold own handler. + * because handler might be changed by its situation. + * dma handler -> pio handler. + */ pkt->pipe = pipe; pkt->buf = buf; - pkt->handler = handler; + pkt->handler = pipe->handler; pkt->length = len; pkt->zero = zero; pkt->actual = 0; diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h index 7a78440e7647..60aa20fd303e 100644 --- a/drivers/usb/renesas_usbhs/fifo.h +++ b/drivers/usb/renesas_usbhs/fifo.h @@ -86,7 +86,6 @@ extern struct usbhs_pkt_handle usbhs_fifo_dma_pop_handler; void usbhs_pkt_init(struct usbhs_pkt *pkt); void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt, - struct usbhs_pkt_handle *handler, void *buf, int len, int zero); struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt); void usbhs_pkt_start(struct usbhs_pipe *pipe); diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 5a697b76ff12..babd90c979c1 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -39,7 +39,6 @@ struct usbhsg_uep { char ep_name[EP_NAME_SIZE]; struct usbhsg_gpriv *gpriv; - struct usbhs_pkt_handle *handler; }; struct usbhsg_gpriv { @@ -139,8 +138,7 @@ static void usbhsg_queue_push(struct usbhsg_uep *uep, req->actual = 0; req->status = -EINPROGRESS; - usbhs_pkt_push(pipe, pkt, uep->handler, - req->buf, req->length, req->zero); + usbhs_pkt_push(pipe, pkt, req->buf, req->length, req->zero); dev_dbg(dev, "pipe %d : queue push (%d)\n", usbhs_pipe_number(pipe), @@ -389,13 +387,13 @@ static int usbhsg_irq_ctrl_stage(struct usbhs_priv *priv, switch (stage) { case READ_DATA_STAGE: - dcp->handler = &usbhs_fifo_pio_push_handler; + pipe->handler = &usbhs_fifo_pio_push_handler; break; case WRITE_DATA_STAGE: - dcp->handler = &usbhs_fifo_pio_pop_handler; + pipe->handler = &usbhs_fifo_pio_pop_handler; break; case NODATA_STATUS_STAGE: - dcp->handler = &usbhs_ctrl_stage_end_handler; + pipe->handler = &usbhs_ctrl_stage_end_handler; break; default: return ret; @@ -501,9 +499,9 @@ static int usbhsg_ep_enable(struct usb_ep *ep, * It will use pio handler if impossible. */ if (usb_endpoint_dir_in(desc)) - uep->handler = &usbhs_fifo_dma_push_handler; + pipe->handler = &usbhs_fifo_dma_push_handler; else - uep->handler = &usbhs_fifo_dma_pop_handler; + pipe->handler = &usbhs_fifo_dma_pop_handler; ret = 0; } diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h index 1baa1998c9a5..6760dff0b037 100644 --- a/drivers/usb/renesas_usbhs/pipe.h +++ b/drivers/usb/renesas_usbhs/pipe.h @@ -37,6 +37,8 @@ struct usbhs_pipe { #define USBHS_PIPE_FLAGS_IS_DIR_IN (1 << 1) #define USBHS_PIPE_FLAGS_IS_DIR_HOST (1 << 2) + struct usbhs_pkt_handle *handler; + void *mod_private; }; -- cgit v1.2.3