]> pilppa.org Git - linux-2.6-omap-h63xx.git/commitdiff
musb_hdrc: Search and replace pRequest with request
authorTony Lindgren <tony@atomide.com>
Mon, 13 Aug 2007 12:13:53 +0000 (05:13 -0700)
committerTony Lindgren <tony@atomide.com>
Mon, 13 Aug 2007 12:13:53 +0000 (05:13 -0700)
Search and replace pRequest with request

Signed-off-by: Tony Lindgren <tony@atomide.com>
drivers/usb/musb/g_ep0.c
drivers/usb/musb/musb_gadget.c
drivers/usb/musb/musb_host.c

index c85e60292dd606746361c04b76b96ccd719475ec..62cbc7738e0435feeda46244190bc536a392564c 100644 (file)
@@ -484,31 +484,31 @@ static void ep0_rxstate(struct musb *this)
 static void ep0_txstate(struct musb *musb)
 {
        void __iomem            *regs = musb->control_ep->regs;
-       struct usb_request      *pRequest = next_ep0_request(musb);
+       struct usb_request      *request = next_ep0_request(musb);
        u16                     wCsrVal = MGC_M_CSR0_TXPKTRDY;
        u8                      *pFifoSource;
        u8                      fifo_count;
 
-       if (!pRequest) {
+       if (!request) {
                // WARN_ON(1);
                DBG(2, "odd; csr0 %04x\n", musb_readw(regs, MGC_O_HDRC_CSR0));
                return;
        }
 
        /* load the data */
-       pFifoSource = (u8 *) pRequest->buf + pRequest->actual;
+       pFifoSource = (u8 *) request->buf + request->actual;
        fifo_count = min((unsigned) MGC_END0_FIFOSIZE,
-               pRequest->length - pRequest->actual);
+               request->length - request->actual);
        musb_write_fifo(&musb->endpoints[0], fifo_count, pFifoSource);
-       pRequest->actual += fifo_count;
+       request->actual += fifo_count;
 
        /* update the flags */
        if (fifo_count < MUSB_MAX_END0_PACKET
-                       || pRequest->actual == pRequest->length) {
+                       || request->actual == request->length) {
                musb->ep0_state = MGC_END0_STAGE_STATUSOUT;
                wCsrVal |= MGC_M_CSR0_P_DATAEND;
        } else
-               pRequest = NULL;
+               request = NULL;
 
        /* send it out, triggering a "txpktrdy cleared" irq */
        musb_writew(regs, MGC_O_HDRC_CSR0, wCsrVal);
@@ -518,8 +518,8 @@ static void ep0_txstate(struct musb *musb)
         * very precise fault reporting, needed by USB TMC; possible with
         * this hardware, but not usable from portable gadget drivers.)
         */
-       if (pRequest)
-               musb_g_ep0_giveback(musb, pRequest);
+       if (request)
+               musb_g_ep0_giveback(musb, request);
 }
 
 /*
index 1681b5cbd3083a749bc75d76272bd0cdbed8d189..601b35c0bec3423f91bd23f2d10c48755989f6f6 100644 (file)
@@ -94,13 +94,13 @@ Handling completion
 /*
  * Immediately complete a request.
  *
- * @param pRequest the request to complete
+ * @param request the request to complete
  * @param status the status to complete the request with
  * Context: controller locked, IRQs blocked.
  */
 void musb_g_giveback(
        struct musb_ep          *ep,
-       struct usb_request      *pRequest,
+       struct usb_request      *request,
        int status)
 __releases(ep->musb->lock)
 __acquires(ep->musb->lock)
@@ -109,9 +109,9 @@ __acquires(ep->musb->lock)
        struct musb             *musb;
        int                     busy = ep->busy;
 
-       req = to_musb_request(pRequest);
+       req = to_musb_request(request);
 
-       list_del(&pRequest->list);
+       list_del(&request->list);
        if (req->request.status == -EINPROGRESS)
                req->request.status = status;
        musb = req->musb;
@@ -136,15 +136,15 @@ __acquires(ep->musb->lock)
                                                ? DMA_TO_DEVICE
                                                : DMA_FROM_DEVICE);
        }
-       if (pRequest->status == 0)
+       if (request->status == 0)
                DBG(5, "%s done request %p,  %d/%d\n",
-                               ep->end_point.name, pRequest,
+                               ep->end_point.name, request,
                                req->request.actual, req->request.length);
        else
                DBG(2, "%s request %p, %d/%d fault %d\n",
-                               ep->end_point.name, pRequest,
+                               ep->end_point.name, request,
                                req->request.actual, req->request.length,
-                               pRequest->status);
+                               request->status);
        req->request.complete(&req->ep->end_point, &req->request);
        spin_lock(&musb->lock);
        ep->busy = busy;
@@ -255,7 +255,7 @@ static void txstate(struct musb *musb, struct musb_request *req)
        u8                      epnum = req->epnum;
        struct musb_ep          *musb_ep;
        void __iomem            *epio = musb->endpoints[epnum].regs;
-       struct usb_request      *pRequest;
+       struct usb_request      *request;
        u16                     fifo_count = 0, wCsrVal;
        int                     use_dma = 0;
 
@@ -270,9 +270,9 @@ static void txstate(struct musb *musb, struct musb_request *req)
        /* read TXCSR before */
        wCsrVal = musb_readw(epio, MGC_O_HDRC_TXCSR);
 
-       pRequest = &req->request;
+       request = &req->request;
        fifo_count = min(max_ep_writesize(musb, musb_ep),
-                       (int)(pRequest->length - pRequest->actual));
+                       (int)(request->length - request->actual));
 
        if (wCsrVal & MGC_M_TXCSR_TXPKTRDY) {
                DBG(5, "%s old packet still ready , txcsr %03x\n",
@@ -294,7 +294,7 @@ static void txstate(struct musb *musb, struct musb_request *req)
        if (is_dma_capable() && musb_ep->dma) {
                struct dma_controller   *c = musb->dma_controller;
 
-               use_dma = (pRequest->dma != DMA_ADDR_INVALID);
+               use_dma = (request->dma != DMA_ADDR_INVALID);
 
                /* MGC_M_TXCSR_P_ISO is still set correctly */
 
@@ -303,7 +303,7 @@ static void txstate(struct musb *musb, struct musb_request *req)
                        size_t request_size;
 
                        /* setup DMA, then program endpoint CSR */
-                       request_size = min(pRequest->length,
+                       request_size = min(request->length,
                                                musb_ep->dma->max_len);
                        if (request_size <= musb_ep->wPacketSize)
                                musb_ep->dma->desired_mode = 0;
@@ -313,7 +313,7 @@ static void txstate(struct musb *musb, struct musb_request *req)
                        use_dma = use_dma && c->channel_program(
                                        musb_ep->dma, musb_ep->wPacketSize,
                                        musb_ep->dma->desired_mode,
-                                       pRequest->dma, request_size);
+                                       request->dma, request_size);
                        if (use_dma) {
                                if (musb_ep->dma->desired_mode == 0) {
                                        /* ASSERT: DMAENAB is clear */
@@ -361,8 +361,8 @@ static void txstate(struct musb *musb, struct musb_request *req)
                use_dma = use_dma && c->channel_program(
                                musb_ep->dma, musb_ep->wPacketSize,
                                0,
-                               pRequest->dma,
-                               pRequest->length);
+                               request->dma,
+                               request->length);
                if (!use_dma) {
                        c->channel_release(musb_ep->dma);
                        musb_ep->dma = NULL;
@@ -373,17 +373,17 @@ static void txstate(struct musb *musb, struct musb_request *req)
 #elif defined(CONFIG_USB_TUSB_OMAP_DMA)
                use_dma = use_dma && c->channel_program(
                                musb_ep->dma, musb_ep->wPacketSize,
-                               pRequest->zero,
-                               pRequest->dma,
-                               pRequest->length);
+                               request->zero,
+                               request->dma,
+                               request->length);
 #endif
        }
 #endif
 
        if (!use_dma) {
                musb_write_fifo(musb_ep->hw_ep, fifo_count,
-                               (u8 *) (pRequest->buf + pRequest->actual));
-               pRequest->actual += fifo_count;
+                               (u8 *) (request->buf + request->actual));
+               request->actual += fifo_count;
                wCsrVal |= MGC_M_TXCSR_TXPKTRDY;
                wCsrVal &= ~MGC_M_TXCSR_P_UNDERRUN;
                musb_writew(epio, MGC_O_HDRC_TXCSR, wCsrVal);
@@ -392,7 +392,7 @@ static void txstate(struct musb *musb, struct musb_request *req)
        /* host may already have the data when this message shows... */
        DBG(3, "%s TX/IN %s len %d/%d, txcsr %04x, fifo %d/%d\n",
                        musb_ep->end_point.name, use_dma ? "dma" : "pio",
-                       pRequest->actual, pRequest->length,
+                       request->actual, request->length,
                        musb_readw(epio, MGC_O_HDRC_TXCSR),
                        fifo_count,
                        musb_readw(epio, MGC_O_HDRC_TXMAXP));
@@ -405,14 +405,14 @@ static void txstate(struct musb *musb, struct musb_request *req)
 void musb_g_tx(struct musb *musb, u8 epnum)
 {
        u16                     wCsrVal;
-       struct usb_request      *pRequest;
+       struct usb_request      *request;
        u8 __iomem              *mbase = musb->mregs;
        struct musb_ep          *musb_ep = &musb->endpoints[epnum].ep_in;
        void __iomem            *epio = musb->endpoints[epnum].regs;
        struct dma_channel      *dma;
 
        musb_ep_select(mbase, epnum);
-       pRequest = next_request(musb_ep);
+       request = next_request(musb_ep);
 
        wCsrVal = musb_readw(epio, MGC_O_HDRC_TXCSR);
        DBG(4, "<== %s, txcsr %04x\n", musb_ep->end_point.name, wCsrVal);
@@ -431,8 +431,8 @@ void musb_g_tx(struct musb *musb, u8 epnum)
                                musb->dma_controller->channel_abort(dma);
                        }
 
-                       if (pRequest)
-                               musb_g_giveback(musb_ep, pRequest, -EPIPE);
+                       if (request)
+                               musb_g_giveback(musb_ep, request, -EPIPE);
 
                        break;
                }
@@ -443,7 +443,7 @@ void musb_g_tx(struct musb *musb, u8 epnum)
                        wCsrVal &= ~(MGC_M_TXCSR_P_UNDERRUN
                                        | MGC_M_TXCSR_TXPKTRDY);
                        musb_writew(epio, MGC_O_HDRC_TXCSR, wCsrVal);
-                       DBG(20, "underrun on ep%d, req %p\n", epnum, pRequest);
+                       DBG(20, "underrun on ep%d, req %p\n", epnum, request);
                }
 
                if (dma_channel_status(dma) == MGC_DMA_STATUS_BUSY) {
@@ -454,7 +454,7 @@ void musb_g_tx(struct musb *musb, u8 epnum)
                        break;
                }
 
-               if (pRequest) {
+               if (request) {
                        u8      is_dma = 0;
 
                        if (dma && (wCsrVal & MGC_M_TXCSR_DMAENAB)) {
@@ -466,29 +466,29 @@ void musb_g_tx(struct musb *musb, u8 epnum)
                                musb_writew(epio, MGC_O_HDRC_TXCSR, wCsrVal);
                                /* ensure writebuffer is empty */
                                wCsrVal = musb_readw(epio, MGC_O_HDRC_TXCSR);
-                               pRequest->actual += musb_ep->dma->actual_len;
+                               request->actual += musb_ep->dma->actual_len;
                                DBG(4, "TXCSR%d %04x, dma off, "
                                                "len %Zd, req %p\n",
                                        epnum, wCsrVal,
                                        musb_ep->dma->actual_len,
-                                       pRequest);
+                                       request);
                        }
 
-                       if (is_dma || pRequest->actual == pRequest->length) {
+                       if (is_dma || request->actual == request->length) {
 
                                /* First, maybe a terminating short packet.
                                 * Some DMA engines might handle this by
                                 * themselves.
                                 */
-                               if ((pRequest->zero
-                                               && pRequest->length
-                                               && (pRequest->length
+                               if ((request->zero
+                                               && request->length
+                                               && (request->length
                                                        % musb_ep->wPacketSize)
                                                        == 0)
 #ifdef CONFIG_USB_INVENTRA_DMA
                                        || (is_dma &&
                                                ((!dma->desired_mode) ||
-                                                   (pRequest->actual &
+                                                   (request->actual &
                                                    (musb_ep->wPacketSize - 1))))
 #endif
                                ) {
@@ -502,11 +502,11 @@ void musb_g_tx(struct musb *musb, u8 epnum)
                                        musb_writew(epio, MGC_O_HDRC_TXCSR,
                                                        MGC_M_TXCSR_MODE
                                                        | MGC_M_TXCSR_TXPKTRDY);
-                                       pRequest->zero = 0;
+                                       request->zero = 0;
                                }
 
                                /* ... or if not, then complete it */
-                               musb_g_giveback(musb_ep, pRequest, 0);
+                               musb_g_giveback(musb_ep, request, 0);
 
                                /* kickstart next transfer if appropriate;
                                 * the packet that just completed might not
@@ -518,17 +518,17 @@ void musb_g_tx(struct musb *musb, u8 epnum)
                                wCsrVal = musb_readw(epio, MGC_O_HDRC_TXCSR);
                                if (wCsrVal & MGC_M_TXCSR_FIFONOTEMPTY)
                                        break;
-                               pRequest = musb_ep->desc
+                               request = musb_ep->desc
                                                ? next_request(musb_ep)
                                                : NULL;
-                               if (!pRequest) {
+                               if (!request) {
                                        DBG(4, "%s idle now\n",
                                                        musb_ep->end_point.name);
                                        break;
                                }
                        }
 
-                       txstate(musb, to_musb_request(pRequest));
+                       txstate(musb, to_musb_request(request));
                }
 
        } while (0);
@@ -574,7 +574,7 @@ static void rxstate(struct musb *musb, struct musb_request *req)
 {
        u16                     wCsrVal = 0;
        const u8                epnum = req->epnum;
-       struct usb_request      *pRequest = &req->request;
+       struct usb_request      *request = &req->request;
        struct musb_ep          *musb_ep = &musb->endpoints[epnum].ep_out;
        void __iomem            *epio = musb->endpoints[epnum].regs;
        u16                     fifo_count = 0;
@@ -593,9 +593,9 @@ static void rxstate(struct musb *musb, struct musb_request *req)
                 */
                if (c->channel_program(channel,
                                musb_ep->wPacketSize,
-                               !pRequest->short_not_ok,
-                               pRequest->dma + pRequest->actual,
-                               pRequest->length - pRequest->actual)) {
+                               !request->short_not_ok,
+                               request->dma + request->actual,
+                               request->length - request->actual)) {
 
                        /* make sure that if an rxpkt arrived after the irq,
                         * the cppi engine will be ready to take it as soon
@@ -611,7 +611,7 @@ static void rxstate(struct musb *musb, struct musb_request *req)
 
        if (wCsrVal & MGC_M_RXCSR_RXPKTRDY) {
                len = musb_readw(epio, MGC_O_HDRC_RXCOUNT);
-               if (pRequest->actual < pRequest->length) {
+               if (request->actual < request->length) {
 #ifdef CONFIG_USB_INVENTRA_DMA
                        if (is_dma_capable() && musb_ep->dma) {
                                struct dma_controller   *c;
@@ -657,10 +657,10 @@ static void rxstate(struct musb *musb, struct musb_request *req)
                                musb_writew(epio, MGC_O_HDRC_RXCSR,
                                                wCsrVal);
 
-                               if (pRequest->actual < pRequest->length) {
+                               if (request->actual < request->length) {
                                        int transfer_size = 0;
 #ifdef USE_MODE1
-                                       transfer_size = min(pRequest->length,
+                                       transfer_size = min(request->length,
                                                        channel->max_len);
 #else
                                        transfer_size = len;
@@ -674,8 +674,8 @@ static void rxstate(struct musb *musb, struct musb_request *req)
                                                        channel,
                                                        musb_ep->wPacketSize,
                                                        channel->desired_mode,
-                                                       pRequest->dma
-                                                       + pRequest->actual,
+                                                       request->dma
+                                                       + request->actual,
                                                        transfer_size);
                                }
 
@@ -684,7 +684,7 @@ static void rxstate(struct musb *musb, struct musb_request *req)
                        }
 #endif /* Mentor's USB */
 
-                       fifo_count = pRequest->length - pRequest->actual;
+                       fifo_count = request->length - request->actual;
                        DBG(3, "%s OUT/RX pio fifo %d/%d, maxpacket %d\n",
                                        musb_ep->end_point.name,
                                        len, fifo_count,
@@ -696,7 +696,7 @@ static void rxstate(struct musb *musb, struct musb_request *req)
                        if (tusb_dma_omap() && musb_ep->dma) {
                                struct dma_controller *c = musb->dma_controller;
                                struct dma_channel *channel = musb_ep->dma;
-                               u32 dma_addr = pRequest->dma + pRequest->actual;
+                               u32 dma_addr = request->dma + request->actual;
                                int ret;
 
                                ret = c->channel_program(channel,
@@ -710,8 +710,8 @@ static void rxstate(struct musb *musb, struct musb_request *req)
 #endif
 
                        musb_read_fifo(musb_ep->hw_ep, fifo_count, (u8 *)
-                                       (pRequest->buf + pRequest->actual));
-                       pRequest->actual += fifo_count;
+                                       (request->buf + request->actual));
+                       request->actual += fifo_count;
 
                        /* REVISIT if we left anything in the fifo, flush
                         * it and report -EOVERFLOW
@@ -725,8 +725,8 @@ static void rxstate(struct musb *musb, struct musb_request *req)
        }
 
        /* reach the end or short packet detected */
-       if (pRequest->actual == pRequest->length || len < musb_ep->wPacketSize)
-               musb_g_giveback(musb_ep, pRequest, 0);
+       if (request->actual == request->length || len < musb_ep->wPacketSize)
+               musb_g_giveback(musb_ep, request, 0);
 }
 
 /*
@@ -735,7 +735,7 @@ static void rxstate(struct musb *musb, struct musb_request *req)
 void musb_g_rx(struct musb *musb, u8 epnum)
 {
        u16                     wCsrVal;
-       struct usb_request      *pRequest;
+       struct usb_request      *request;
        void __iomem            *mbase = musb->mregs;
        struct musb_ep          *musb_ep = &musb->endpoints[epnum].ep_out;
        void __iomem            *epio = musb->endpoints[epnum].regs;
@@ -743,27 +743,27 @@ void musb_g_rx(struct musb *musb, u8 epnum)
 
        musb_ep_select(mbase, epnum);
 
-       pRequest = next_request(musb_ep);
+       request = next_request(musb_ep);
 
        wCsrVal = musb_readw(epio, MGC_O_HDRC_RXCSR);
        dma = is_dma_capable() ? musb_ep->dma : NULL;
 
        DBG(4, "<== %s, rxcsr %04x%s %p\n", musb_ep->end_point.name,
-                       wCsrVal, dma ? " (dma)" : "", pRequest);
+                       wCsrVal, dma ? " (dma)" : "", request);
 
        if (wCsrVal & MGC_M_RXCSR_P_SENTSTALL) {
                if (dma_channel_status(dma) == MGC_DMA_STATUS_BUSY) {
                        dma->status = MGC_DMA_STATUS_CORE_ABORT;
                        (void) musb->dma_controller->channel_abort(dma);
-                       pRequest->actual += musb_ep->dma->actual_len;
+                       request->actual += musb_ep->dma->actual_len;
                }
 
                wCsrVal |= MGC_M_RXCSR_P_WZC_BITS;
                wCsrVal &= ~MGC_M_RXCSR_P_SENTSTALL;
                musb_writew(epio, MGC_O_HDRC_RXCSR, wCsrVal);
 
-               if (pRequest)
-                       musb_g_giveback(musb_ep, pRequest, -EPIPE);
+               if (request)
+                       musb_g_giveback(musb_ep, request, -EPIPE);
                goto done;
        }
 
@@ -772,9 +772,9 @@ void musb_g_rx(struct musb *musb, u8 epnum)
                wCsrVal &= ~MGC_M_RXCSR_P_OVERRUN;
                musb_writew(epio, MGC_O_HDRC_RXCSR, wCsrVal);
 
-               DBG(3, "%s iso overrun on %p\n", musb_ep->name, pRequest);
-               if (pRequest && pRequest->status == -EINPROGRESS)
-                       pRequest->status = -EOVERFLOW;
+               DBG(3, "%s iso overrun on %p\n", musb_ep->name, request);
+               if (request && request->status == -EINPROGRESS)
+                       request->status = -EOVERFLOW;
        }
        if (wCsrVal & MGC_M_RXCSR_INCOMPRX) {
                /* REVISIT not necessarily an error */
@@ -796,12 +796,12 @@ void musb_g_rx(struct musb *musb, u8 epnum)
                musb_writew(epio, MGC_O_HDRC_RXCSR,
                        MGC_M_RXCSR_P_WZC_BITS | wCsrVal);
 
-               pRequest->actual += musb_ep->dma->actual_len;
+               request->actual += musb_ep->dma->actual_len;
 
                DBG(4, "RXCSR%d %04x, dma off, %04x, len %Zd, req %p\n",
                        epnum, wCsrVal,
                        musb_readw(epio, MGC_O_HDRC_RXCSR),
-                       musb_ep->dma->actual_len, pRequest);
+                       musb_ep->dma->actual_len, request);
 
 #if defined(CONFIG_USB_INVENTRA_DMA) || defined(CONFIG_USB_TUSB_OMAP_DMA)
                /* Autoclear doesn't clear RxPktRdy for short packets */
@@ -814,15 +814,15 @@ void musb_g_rx(struct musb *musb, u8 epnum)
                }
 
                /* incomplete, and not short? wait for next IN packet */
-                if ((pRequest->actual < pRequest->length)
+                if ((request->actual < request->length)
                                && (musb_ep->dma->actual_len
                                        == musb_ep->wPacketSize))
                        goto done;
 #endif
-               musb_g_giveback(musb_ep, pRequest, 0);
+               musb_g_giveback(musb_ep, request, 0);
 
-               pRequest = next_request(musb_ep);
-               if (!pRequest)
+               request = next_request(musb_ep);
+               if (!request)
                        goto done;
 
                /* don't start more i/o till the stall clears */
@@ -834,8 +834,8 @@ void musb_g_rx(struct musb *musb, u8 epnum)
 
 
        /* analyze request if the ep is hot */
-       if (pRequest)
-               rxstate(musb, to_musb_request(pRequest));
+       if (request)
+               rxstate(musb, to_musb_request(request));
        else
                DBG(3, "packet waiting for %s%s request\n",
                                musb_ep->desc ? "" : "inactive ",
@@ -1046,17 +1046,17 @@ static int musb_gadget_disable(struct usb_ep *ep)
 struct usb_request *musb_alloc_request(struct usb_ep *ep, gfp_t gfp_flags)
 {
        struct musb_ep          *musb_ep = to_musb_ep(ep);
-       struct musb_request     *pRequest = NULL;
-
-       pRequest = kzalloc(sizeof *pRequest, gfp_flags);
-       if (pRequest) {
-               INIT_LIST_HEAD(&pRequest->request.list);
-               pRequest->request.dma = DMA_ADDR_INVALID;
-               pRequest->epnum = musb_ep->current_epnum;
-               pRequest->ep = musb_ep;
+       struct musb_request     *request = NULL;
+
+       request = kzalloc(sizeof *request, gfp_flags);
+       if (request) {
+               INIT_LIST_HEAD(&request->request.list);
+               request->request.dma = DMA_ADDR_INVALID;
+               request->epnum = musb_ep->current_epnum;
+               request->ep = musb_ep;
        }
 
-       return &pRequest->request;
+       return &request->request;
 }
 
 /*
@@ -1097,7 +1097,7 @@ static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req,
                        gfp_t gfp_flags)
 {
        struct musb_ep          *musb_ep;
-       struct musb_request     *pRequest;
+       struct musb_request     *request;
        struct musb             *musb;
        int                     status = 0;
        unsigned long           lockflags;
@@ -1110,43 +1110,43 @@ static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req,
        musb_ep = to_musb_ep(ep);
        musb = musb_ep->musb;
 
-       pRequest = to_musb_request(req);
-       pRequest->musb = musb;
+       request = to_musb_request(req);
+       request->musb = musb;
 
-       if (pRequest->ep != musb_ep)
+       if (request->ep != musb_ep)
                return -EINVAL;
 
        DBG(4, "<== to %s request=%p\n", ep->name, req);
 
        /* request is mine now... */
-       pRequest->request.actual = 0;
-       pRequest->request.status = -EINPROGRESS;
-       pRequest->epnum = musb_ep->current_epnum;
-       pRequest->bTx = musb_ep->is_in;
+       request->request.actual = 0;
+       request->request.status = -EINPROGRESS;
+       request->epnum = musb_ep->current_epnum;
+       request->bTx = musb_ep->is_in;
 
        if (is_dma_capable() && musb_ep->dma) {
-               if (pRequest->request.dma == DMA_ADDR_INVALID) {
-                       pRequest->request.dma = dma_map_single(
+               if (request->request.dma == DMA_ADDR_INVALID) {
+                       request->request.dma = dma_map_single(
                                        musb->controller,
-                                       pRequest->request.buf,
-                                       pRequest->request.length,
-                                       pRequest->bTx
+                                       request->request.buf,
+                                       request->request.length,
+                                       request->bTx
                                                ? DMA_TO_DEVICE
                                                : DMA_FROM_DEVICE);
-                       pRequest->mapped = 1;
+                       request->mapped = 1;
                } else {
                        dma_sync_single_for_device(musb->controller,
-                                       pRequest->request.dma,
-                                       pRequest->request.length,
-                                       pRequest->bTx
+                                       request->request.dma,
+                                       request->request.length,
+                                       request->bTx
                                                ? DMA_TO_DEVICE
                                                : DMA_FROM_DEVICE);
-                       pRequest->mapped = 0;
+                       request->mapped = 0;
                }
        } else if (!req->buf) {
                return -ENODATA;
        } else
-               pRequest->mapped = 0;
+               request->mapped = 0;
 
        spin_lock_irqsave(&musb->lock, lockflags);
 
@@ -1158,19 +1158,19 @@ static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req,
                goto cleanup;
        }
 
-       /* add pRequest to the list */
-       list_add_tail(&(pRequest->request.list), &(musb_ep->req_list));
+       /* add request to the list */
+       list_add_tail(&(request->request.list), &(musb_ep->req_list));
 
        /* it this is the head of the queue, start i/o ... */
-       if (!musb_ep->busy && &pRequest->request.list == musb_ep->req_list.next)
-               musb_ep_restart(musb, pRequest);
+       if (!musb_ep->busy && &request->request.list == musb_ep->req_list.next)
+               musb_ep_restart(musb, request);
 
 cleanup:
        spin_unlock_irqrestore(&musb->lock, lockflags);
        return status;
 }
 
-static int musb_gadget_dequeue(struct usb_ep *ep, struct usb_request *pRequest)
+static int musb_gadget_dequeue(struct usb_ep *ep, struct usb_request *request)
 {
        struct musb_ep          *musb_ep = to_musb_ep(ep);
        struct usb_request      *r;
@@ -1178,24 +1178,24 @@ static int musb_gadget_dequeue(struct usb_ep *ep, struct usb_request *pRequest)
        int                     status = 0;
        struct musb             *musb = musb_ep->musb;
 
-       if (!ep || !pRequest || to_musb_request(pRequest)->ep != musb_ep)
+       if (!ep || !request || to_musb_request(request)->ep != musb_ep)
                return -EINVAL;
 
        spin_lock_irqsave(&musb->lock, flags);
 
        list_for_each_entry(r, &musb_ep->req_list, list) {
-               if (r == pRequest)
+               if (r == request)
                        break;
        }
-       if (r != pRequest) {
-               DBG(3, "request %p not queued to %s\n", pRequest, ep->name);
+       if (r != request) {
+               DBG(3, "request %p not queued to %s\n", request, ep->name);
                status = -EINVAL;
                goto done;
        }
 
        /* if the hardware doesn't have the request, easy ... */
-       if (musb_ep->req_list.next != &pRequest->list || musb_ep->busy)
-               musb_g_giveback(musb_ep, pRequest, -ECONNRESET);
+       if (musb_ep->req_list.next != &request->list || musb_ep->busy)
+               musb_g_giveback(musb_ep, request, -ECONNRESET);
 
        /* ... else abort the dma transfer ... */
        else if (is_dma_capable() && musb_ep->dma) {
@@ -1207,12 +1207,12 @@ static int musb_gadget_dequeue(struct usb_ep *ep, struct usb_request *pRequest)
                else
                        status = -EBUSY;
                if (status == 0)
-                       musb_g_giveback(musb_ep, pRequest, -ECONNRESET);
+                       musb_g_giveback(musb_ep, request, -ECONNRESET);
        } else {
                /* NOTE: by sticking to easily tested hardware/driver states,
                 * we leave counting of in-flight packets imprecise.
                 */
-               musb_g_giveback(musb_ep, pRequest, -ECONNRESET);
+               musb_g_giveback(musb_ep, request, -ECONNRESET);
        }
 
 done:
@@ -1235,7 +1235,7 @@ int musb_gadget_set_halt(struct usb_ep *ep, int value)
        void __iomem            *mbase;
        unsigned long           flags;
        u16                     wCsr;
-       struct musb_request     *pRequest = NULL;
+       struct musb_request     *request = NULL;
        int                     status = 0;
 
        if (!ep)
@@ -1252,7 +1252,7 @@ int musb_gadget_set_halt(struct usb_ep *ep, int value)
        musb_ep_select(mbase, epnum);
 
        /* cannot portably stall with non-empty FIFO */
-       pRequest = to_musb_request(next_request(musb_ep));
+       request = to_musb_request(next_request(musb_ep));
        if (value && musb_ep->is_in) {
                wCsr = musb_readw(epio, MGC_O_HDRC_TXCSR);
                if (wCsr & MGC_M_TXCSR_FIFONOTEMPTY) {
@@ -1294,9 +1294,9 @@ int musb_gadget_set_halt(struct usb_ep *ep, int value)
 done:
 
        /* maybe start the first request in the queue */
-       if (!musb_ep->busy && !value && pRequest) {
+       if (!musb_ep->busy && !value && request) {
                DBG(3, "restarting the request\n");
-               musb_ep_restart(musb, pRequest);
+               musb_ep_restart(musb, request);
        }
 
        spin_unlock_irqrestore(&musb->lock, flags);
index 9b3be0c0de1e573ee995ada15eb374f3253f6879..fb293382da30196bd3957a09b39cf970933eec1f 100644 (file)
@@ -950,7 +950,7 @@ static int musb_h_ep0_continue(struct musb *musb,
        u16 fifo_count = 0;
        struct musb_hw_ep       *hw_ep = musb->control_ep;
        struct musb_qh          *qh = hw_ep->in_qh;
-       struct usb_ctrlrequest  *pRequest;
+       struct usb_ctrlrequest  *request;
 
        switch (musb->ep0_stage) {
        case MGC_END0_IN:
@@ -972,12 +972,12 @@ static int musb_h_ep0_continue(struct musb *musb,
                        bMore = TRUE;
                break;
        case MGC_END0_START:
-               pRequest = (struct usb_ctrlrequest *) pUrb->setup_packet;
+               request = (struct usb_ctrlrequest *) pUrb->setup_packet;
 
-               if (!pRequest->wLength) {
+               if (!request->wLength) {
                        DBG(4, "start no-DATA\n");
                        break;
-               } else if (pRequest->bRequestType & USB_DIR_IN) {
+               } else if (request->bRequestType & USB_DIR_IN) {
                        DBG(4, "start IN-DATA\n");
                        musb->ep0_stage = MGC_END0_IN;
                        bMore = TRUE;