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| author | Vitaly Chernooky <vitaly.chernooky@ti.com> | 2012-10-31 16:58:27 +0200 |
|---|---|---|
| committer | Ziyann <jaraidaniel@gmail.com> | 2014-11-26 11:18:20 +0100 |
| commit | da82942bbd6a40cf7ddd3edc52352610905137ce (patch) | |
| tree | 598911eb9a0cfa1a5ecee50f58b6638ace196aa5 /include | |
| parent | 8e55657b47cc5266af30525c58a7fa0a3d6f0160 (diff) | |
| download | kernel_samsung_tuna-da82942bbd6a40cf7ddd3edc52352610905137ce.zip kernel_samsung_tuna-da82942bbd6a40cf7ddd3edc52352610905137ce.tar.gz kernel_samsung_tuna-da82942bbd6a40cf7ddd3edc52352610905137ce.tar.bz2 | |
tty: omap-serial: Disabling DMA on suspend path
In case of bug UART can't suspend with TX DMA enabled. So here is
implemented WA: TX DMA is disabled on runtime suspend path and
re-enabled on runtime resume path.
Change-Id: Iabc726ca93a5e354eb53efdacedf3261d4e02763
Signed-off-by: Vitaly Chernooky <vitaly.chernooky@ti.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/serial_reg.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/serial_reg.h b/include/linux/serial_reg.h index c75bda3..e8046c7 100644 --- a/include/linux/serial_reg.h +++ b/include/linux/serial_reg.h @@ -362,5 +362,7 @@ #define UART_OMAP_MDR1_CIR_MODE 0x06 /* CIR mode */ #define UART_OMAP_MDR1_DISABLE 0x07 /* Disable (default state) */ +#define UART_OMAP_SCR_DMA_MODE_MASK 0xF9 + #endif /* _LINUX_SERIAL_REG_H */ |