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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-05-08 09:47:16 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-05-08 09:47:16 +0200
commit58318cd4df415aaeaad1a7306cf1d35dad9a21c3 (patch)
tree794fef2338813360e0f535511f7d6f97a08254f0 /drivers/usb/musb
parentdcadfaf2127e067e87843ff688f4ae5674a8d607 (diff)
parent75bc37fefc4471e718ba8e651aa74673d4e0a9eb (diff)
downloadlinux-58318cd4df415aaeaad1a7306cf1d35dad9a21c3.tar.bz2
Merge 4.17-rc4 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/musb')
-rw-r--r--drivers/usb/musb/musb_gadget.c3
-rw-r--r--drivers/usb/musb/musb_host.c4
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index e564695c6c8d..71c5835ea9cd 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -417,7 +417,6 @@ void musb_g_tx(struct musb *musb, u8 epnum)
req = next_request(musb_ep);
request = &req->request;
- trace_musb_req_tx(req);
csr = musb_readw(epio, MUSB_TXCSR);
musb_dbg(musb, "<== %s, txcsr %04x", musb_ep->end_point.name, csr);
@@ -456,6 +455,8 @@ void musb_g_tx(struct musb *musb, u8 epnum)
u8 is_dma = 0;
bool short_packet = false;
+ trace_musb_req_tx(req);
+
if (dma && (csr & MUSB_TXCSR_DMAENAB)) {
is_dma = 1;
csr |= MUSB_TXCSR_P_WZC_BITS;
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 4fa372c845e1..e7f99d55922a 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -990,7 +990,9 @@ static void musb_bulk_nak_timeout(struct musb *musb, struct musb_hw_ep *ep,
/* set tx_reinit and schedule the next qh */
ep->tx_reinit = 1;
}
- musb_start_urb(musb, is_in, next_qh);
+
+ if (next_qh)
+ musb_start_urb(musb, is_in, next_qh);
}
}