| commit | 947c74eba85bff743bc15adbdd9193ffff60c29f | [log] [tgz] |
|---|---|---|
| author | Huang Shijie <b32955@freescale.com> | Fri Oct 11 18:31:00 2013 +0800 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Wed Oct 16 13:19:54 2013 -0700 |
| tree | 5bd87c7ebff2080ce785ec4b0aaff51e2533e55a | |
| parent | 1ce43e58d4d57acc9782d97270ec70a91a177abc [diff] |
serial: imx: fix the wrong number of scatterlist entries when xmit->head is 0 When the (xmit->tail > xmit->head) is true and the xmit->head is 0, we only need one DMA scatterlist in actually. Current code uses two DMA scatterlists in this case, this is obviously wrong. This patch fixes it. Signed-off-by: Huang Shijie <b32955@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>