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| author | David Vrabel <david.vrabel@csr.com> | 2008-10-20 16:07:19 +0100 |
|---|---|---|
| committer | David Vrabel <david.vrabel@csr.com> | 2008-10-20 16:07:19 +0100 |
| commit | 61e0e79ee3c609eb34edf2fe023708cba6a79b1f (patch) | |
| tree | 663deacffd4071120dc9badb70428fe5f124c7b9 /drivers/usb/musb/musb_gadget_ep0.c | |
| parent | c15895ef30c2c03e99802951787183039a349d32 (diff) | |
| parent | 0cfd81031a26717fe14380d18275f8e217571615 (diff) | |
| download | op-kernel-dev-61e0e79ee3c609eb34edf2fe023708cba6a79b1f.zip op-kernel-dev-61e0e79ee3c609eb34edf2fe023708cba6a79b1f.tar.gz | |
Merge branch 'master' into for-upstream
Conflicts:
Documentation/ABI/testing/sysfs-bus-usb
drivers/Makefile
Diffstat (limited to 'drivers/usb/musb/musb_gadget_ep0.c')
| -rw-r--r-- | drivers/usb/musb/musb_gadget_ep0.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c index a57652f..3f5e30d 100644 --- a/drivers/usb/musb/musb_gadget_ep0.c +++ b/drivers/usb/musb/musb_gadget_ep0.c @@ -437,7 +437,7 @@ static void ep0_rxstate(struct musb *musb) { void __iomem *regs = musb->control_ep->regs; struct usb_request *req; - u16 tmp; + u16 count, csr; req = next_ep0_request(musb); @@ -449,35 +449,35 @@ static void ep0_rxstate(struct musb *musb) unsigned len = req->length - req->actual; /* read the buffer */ - tmp = musb_readb(regs, MUSB_COUNT0); - if (tmp > len) { + count = musb_readb(regs, MUSB_COUNT0); + if (count > len) { req->status = -EOVERFLOW; - tmp = len; + count = len; } - musb_read_fifo(&musb->endpoints[0], tmp, buf); - req->actual += tmp; - tmp = MUSB_CSR0_P_SVDRXPKTRDY; - if (tmp < 64 || req->actual == req->length) { + musb_read_fifo(&musb->endpoints[0], count, buf); + req->actual += count; + csr = MUSB_CSR0_P_SVDRXPKTRDY; + if (count < 64 || req->actual == req->length) { musb->ep0_state = MUSB_EP0_STAGE_STATUSIN; - tmp |= MUSB_CSR0_P_DATAEND; + csr |= MUSB_CSR0_P_DATAEND; } else req = NULL; } else - tmp = MUSB_CSR0_P_SVDRXPKTRDY | MUSB_CSR0_P_SENDSTALL; + csr = MUSB_CSR0_P_SVDRXPKTRDY | MUSB_CSR0_P_SENDSTALL; /* Completion handler may choose to stall, e.g. because the * message just received holds invalid data. */ if (req) { - musb->ackpend = tmp; + musb->ackpend = csr; musb_g_ep0_giveback(musb, req); if (!musb->ackpend) return; musb->ackpend = 0; } musb_ep_select(musb->mregs, 0); - musb_writew(regs, MUSB_CSR0, tmp); + musb_writew(regs, MUSB_CSR0, csr); } /* |
