commit | d7ffb9329012a517575e4c4d49480b6ce0d1529e | [log] [tgz] |
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author | Huang Shijie <b32955@freescale.com> | Thu Nov 22 15:06:30 2012 +0800 |
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Mon Nov 26 15:38:44 2012 -0800 |
tree | 6a1064c8981f1ab66086ab4fc843946d754fbdfd | |
parent | a5919442bc61846e36011671df0d67c72275337e [diff] |
serial: mxs-auart: unmap the scatter list before we copy the data We should first unmap the DMA scatter list for receiving data, and then copy the data from the DMA buffer. The old code misses unmap the scatter list for RX. This patch fixes it. Signed-off-by: Huang Shijie <b32955@freescale.com> Tested-by: Lauri Hintsala <lauri.hintsala@bluegiga.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>