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path: root/drivers/usb/musb/cppi_dma.c
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Diffstat (limited to 'drivers/usb/musb/cppi_dma.c')
-rw-r--r--drivers/usb/musb/cppi_dma.c23
1 files changed, 2 insertions, 21 deletions
diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index 569ef0fed0f..1976e9b4180 100644
--- 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