| commit | 6250cc30c4c4e25393ba247f71bdc04b6af3191b | [log] [tgz] |
|---|---|---|
| author | Bhuvanchandra DV <bhuvanchandra.dv@toradex.com> | Tue Jul 19 13:13:08 2016 +0530 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Wed Aug 31 15:48:29 2016 +0200 |
| tree | 66d344f211f3acc7e9506f244ad5fb0ce10edd0e | |
| parent | 5887ad43ee02a00f17a6132b7fb256dc6865474c [diff] |
tty: serial: fsl_lpuart: Use scatter/gather DMA for Tx Drop PIO to DMA switching and use scatter/gather DMA for Tx path to improve performance. Some part of the code is borrowed from imx serial driver. Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>