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tty: serial: samsung_tty: Fix suspend/resume on S5L

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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>
This commit is contained in:
Hector Martin
2022-05-02 18:25:05 +09:00
committed by Greg Kroah-Hartman
parent 91ca09ca7f
commit 135c579d77
2 changed files with 4 additions and 0 deletions
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3
include/linux/serial_s3c.h
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@@ -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)