diff options
Diffstat (limited to 'drivers/usb/musb/musb_host.c')
| -rw-r--r-- | drivers/usb/musb/musb_host.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index cc64462..bf25ef4 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -112,18 +112,21 @@ static void musb_h_tx_flush_fifo(struct musb_hw_ep *ep) { void __iomem *epio = ep->regs; u16 csr; + u16 lastcsr = 0; int retries = 1000; csr = musb_readw(epio, MUSB_TXCSR); while (csr & MUSB_TXCSR_FIFONOTEMPTY) { - DBG(5, "Host TX FIFONOTEMPTY csr: %02x\n", csr); + if (csr != lastcsr) + DBG(3, "Host TX FIFONOTEMPTY csr: %02x\n", csr); + lastcsr = csr; csr |= MUSB_TXCSR_FLUSHFIFO; musb_writew(epio, MUSB_TXCSR, csr); csr = musb_readw(epio, MUSB_TXCSR); - if (retries-- < 1) { - ERR("Could not flush host TX fifo: csr: %04x\n", csr); + if (WARN(retries-- < 1, + "Could not flush host TX%d fifo: csr: %04x\n", + ep->epnum, csr)) return; - } mdelay(1); } } @@ -268,7 +271,7 @@ __musb_giveback(struct musb *musb, struct urb *urb, int status) __releases(musb->lock) __acquires(musb->lock) { - DBG(({ int level; switch (urb->status) { + DBG(({ int level; switch (status) { case 0: level = 4; break; @@ -283,8 +286,8 @@ __acquires(musb->lock) level = 2; break; }; level; }), - "complete %p (%d), dev%d ep%d%s, %d/%d\n", - urb, urb->status, + "complete %p %pF (%d), dev%d ep%d%s, %d/%d\n", + urb, urb->complete, status, usb_pipedevice(urb->pipe), usb_pipeendpoint(urb->pipe), usb_pipein(urb->pipe) ? "in" : "out", @@ -988,8 +991,10 @@ static bool musb_h_ep0_continue(struct musb *musb, u16 len, struct urb *urb) if (fifo_count) { fifo_dest = (u8 *) (urb->transfer_buffer + urb->actual_length); - DBG(3, "Sending %d bytes to %p\n", - fifo_count, fifo_dest); + DBG(3, "Sending %d byte%s to ep0 fifo %p\n", + fifo_count, + (fifo_count == 1) ? "" : "s", + fifo_dest); musb_write_fifo(hw_ep, fifo_count, fifo_dest); urb->actual_length += fifo_count; |
