[PATCH] USB: musb: cppi dma: set default max_len for dma channel

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From: Ming Lei <tom.leiming@xxxxxxxxx>

Set max_len of cppi dma channel as max size of int type, so
make musb dma handling happier.

Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
Reported-by:   Sergei Shtylyov <sshtylyov@xxxxxxxxxx>
Cc: Felipe Balbi <balbi@xxxxxx>
Cc: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
Cc: Anand Gadiyar <gadiyar@xxxxxx>
Cc: Mike Frysinger <vapier@xxxxxxxxxx>
Cc: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx>
---
 drivers/usb/musb/cppi_dma.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index 59dc3d3..28c4c85 100644
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -322,6 +322,7 @@ cppi_channel_allocate(struct dma_controller *c,
 				index, transmit ? 'T' : 'R', cppi_ch);
 	cppi_ch->hw_ep = ep;
 	cppi_ch->channel.status = MUSB_DMA_STATUS_FREE;
+	cppi_ch->channel.max_len = 0x7fffffff;
 
 	DBG(4, "Allocate CPPI%d %cX\n", index, transmit ? 'T' : 'R');
 	return &cppi_ch->channel;
-- 
1.6.2.5

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