diff options
| author | Hector Martin <marcan@marcan.st> | 2022-05-02 12:25:05 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-05-19 19:24:47 +0300 |
| commit | 135c579d77d066aece83609329150b87fe81e454 (patch) | |
| tree | af18c977093445a50564540530a55693a9764a48 | |
| parent | 91ca09ca7f310aaefb2d56d57421e02cc44a7eb4 (diff) | |
| download | linux-135c579d77d066aece83609329150b87fe81e454.tar.xz | |
tty: serial: samsung_tty: Fix suspend/resume on S5L
We were restoring the IRQ masks then clearing them again, because
ucon_mask wasn't set properly. Adding that makes suspend/resume
work as intended.
Signed-off-by: Hector Martin <marcan@marcan.st>
Link: https://lore.kernel.org/r/20220502092505.30934-1-marcan@marcan.st
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/samsung_tty.c | 1 | ||||
| -rw-r--r-- | include/linux/serial_s3c.h | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c index 8af5aceb9f4e..d5ca904def34 100644 --- a/drivers/tty/serial/samsung_tty.c +++ b/drivers/tty/serial/samsung_tty.c @@ -2826,6 +2826,7 @@ static const struct s3c24xx_serial_drv_data s5l_serial_drv_data = { .num_clks = 1, .clksel_mask = 0, .clksel_shift = 0, + .ucon_mask = APPLE_S5L_UCON_MASK, }, .def_cfg = { .ucon = APPLE_S5L_UCON_DEFAULT, diff --git a/include/linux/serial_s3c.h b/include/linux/serial_s3c.h index f6c3323fc4c5..dec15f5b3dec 100644 --- a/include/linux/serial_s3c.h +++ b/include/linux/serial_s3c.h @@ -256,6 +256,9 @@ #define APPLE_S5L_UCON_DEFAULT (S3C2410_UCON_TXIRQMODE | \ S3C2410_UCON_RXIRQMODE | \ S3C2410_UCON_RXFIFO_TOI) +#define APPLE_S5L_UCON_MASK (APPLE_S5L_UCON_RXTO_ENA_MSK | \ + APPLE_S5L_UCON_RXTHRESH_ENA_MSK | \ + APPLE_S5L_UCON_TXTHRESH_ENA_MSK) #define APPLE_S5L_UTRSTAT_RXTHRESH (1<<4) #define APPLE_S5L_UTRSTAT_TXTHRESH (1<<5) |