ARM: OMAP2+: UART: Get context loss count to context restore
Avoid unconditional context restore every time we gate uart clocks. Check whether context loss happened based on which we can context restore uart regs from uart_port structure. Signed-off-by: NGovindraj.R <govindraj.raja@ti.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> (for drivers/tty changes) Signed-off-by: NKevin Hilman <khilman@ti.com>
Showing
想要评论请 注册 或 登录