| commit | 9119fba0cfeda6d415c9f068df66838a104b87cb | [log] [tgz] |
|---|---|---|
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | Thu Jan 22 14:40:27 2015 +0200 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Mon Feb 02 10:11:26 2015 -0800 |
| tree | 53dd37bcf84ef8d0bd4e461b177b34c601d03844 | |
| parent | a39d1da11b675b2cc2e0ffaafa8952ac7c3bd104 [diff] |
serial: 8250_dma: don't bother DMA with small transfers If we would like to send amount of data less than FIFO size we better would do this via PIO mode. Otherwise the overhead could be significant. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>