diff options
Diffstat (limited to 'drivers/usb/musb/musb_gadget.c')
-rw-r--r-- | drivers/usb/musb/musb_gadget.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 55df0ee413d8..6869c58367f2 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/smp.h> #include <linux/spinlock.h> +#include <linux/string_choices.h> #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/slab.h> @@ -1156,26 +1157,24 @@ void musb_free_request(struct usb_ep *ep, struct usb_request *req) kfree(request); } -static LIST_HEAD(buffers); - -struct free_record { - struct list_head list; - struct device *dev; - unsigned bytes; - dma_addr_t dma; -}; - /* * Context: controller locked, IRQs blocked. */ void musb_ep_restart(struct musb *musb, struct musb_request *req) { + u16 csr; + void __iomem *epio = req->ep->hw_ep->regs; + trace_musb_req_start(req); musb_ep_select(musb->mregs, req->epnum); - if (req->tx) + if (req->tx) { txstate(musb, req); - else - rxstate(musb, req); + } else { + csr = musb_readw(epio, MUSB_RXCSR); + csr |= MUSB_RXCSR_FLUSHFIFO | MUSB_RXCSR_P_WZC_BITS; + musb_writew(epio, MUSB_RXCSR, csr); + musb_writew(epio, MUSB_RXCSR, csr); + } } static int musb_ep_restart_resume_work(struct musb *musb, void *data) @@ -1608,7 +1607,7 @@ static void musb_pullup(struct musb *musb, int is_on) /* FIXME if on, HdrcStart; if off, HdrcStop */ musb_dbg(musb, "gadget D+ pullup %s", - is_on ? "on" : "off"); + str_on_off(is_on)); musb_writeb(musb->mregs, MUSB_POWER, power); } |