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authorDaniel Mack2014-05-26 14:52:37 +0200
committerFelipe Balbi2014-06-30 21:26:23 +0200
commit2ccc6d30a0abf3e1a38f264e279428b846712e0f (patch)
treecff5ade87b3d294a1cc5188af32fad5e06592607 /drivers/usb/musb
parentusb: musb: use is_host_active() to distinguish between host and gadget mode (diff)
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usb: musb: fix bit mask for CSR in musb_h_tx_flush_fifo()
The datasheet says that MUSB_TXCSR_FLUSHFIFO is only valid when MUSB_TXCSR_TXPKTRDY is set as well. With this patch applied, the warning in this function does no longer kick in when an USB soundcard is unplugged while the stream is active. Signed-off-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb')
-rw-r--r--drivers/usb/musb/musb_host.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 0745839d7cd8..3381fa56db29 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -120,7 +120,7 @@ static void musb_h_tx_flush_fifo(struct musb_hw_ep *ep)
if (csr != lastcsr)
dev_dbg(musb->controller, "Host TX FIFONOTEMPTY csr: %02x\n", csr);
lastcsr = csr;
- csr |= MUSB_TXCSR_FLUSHFIFO;
+ csr |= MUSB_TXCSR_FLUSHFIFO | MUSB_TXCSR_TXPKTRDY;
musb_writew(epio, MUSB_TXCSR, csr);
csr = musb_readw(epio, MUSB_TXCSR);
if (WARN(retries-- < 1,