usb: musb: host: don't program dma for zero byte tx

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This is to reduce the overhead of dma programming for zero byte
transmit as same can be done using pio mode.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

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Ajay Kumar Gupta 2012-07-20 11:07:22 +05:30 • committed by Felipe Balbi

parent f0443afd1d

commit 3132122c66

1 changed files with 11 additions and 1 deletions

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12

drivers/usb/musb/musb_host.c

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