tty: cdc_acm add krefs

[karo-tx-linux.git] / drivers / usb / musb / cppi_dma.c

diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index 569ef0fed0f6fa4dff994acbd132a465aae454c6..1976e9b41800b27f6b47925bed29a04872b62aa0 100644 (file)
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -579,6 +579,7 @@ cppi_next_tx_segment(struct musb *musb, struct cppi_channel *tx)
         * trigger the "send a ZLP?" confusion.
         */
        rndis = (maxpacket & 0x3f) == 0
+               && length > maxpacket
                && length < 0xffff
                && (length % maxpacket) != 0;
 
@@ -1228,27 +1229,7 @@ void cppi_completion(struct musb *musb, u32 rx, u32 tx)
 
                                hw_ep = tx_ch->hw_ep;
 
-                               /* Peripheral role never repurposes the
-                                * endpoint, so immediate completion is
-                                * safe.  Host role waits for the fifo
-                                * to empty (TXPKTRDY irq) before going
-                                * to the next queued bulk transfer.
-                                */
-                               if (is_host_active(cppi->musb)) {
-#if 0
-                                       /* WORKAROUND because we may
-                                        * not always get TXKPTRDY ...
-                                        */
-                                       int     csr;
-
-                                       csr = musb_readw(hw_ep->regs,
-                                               MUSB_TXCSR);
-                                       if (csr & MUSB_TXCSR_TXPKTRDY)
-#endif
-                                               completed = false;
-                               }
-                               if (completed)
-                                       musb_dma_completion(musb, index + 1, 1);
+                               musb_dma_completion(musb, index + 1, 1);
 
                        } else {
                                /* Bigger transfer than we could fit in