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| author | akpm <akpm@linux-foundation.org> | 2022-06-27 20:31:34 +0300 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-06-27 20:31:34 +0300 |
| commit | 46a3b1125308f8f90a065eeecfafd2a96b01a36c (patch) | |
| tree | 6e080118fbad5aa217d160cedf02f10108ce3bf2 /drivers/tty/serial/8250/8250_port.c | |
| parent | 6edda04ccc7cfb281d139e352dbd5dd933bd2751 (diff) | |
| parent | 03c765b0e3b4cb5063276b086c76f7a612856a9a (diff) | |
| download | linux-46a3b1125308f8f90a065eeecfafd2a96b01a36c.tar.xz | |
Merge branch 'master' into mm-stable
Diffstat (limited to 'drivers/tty/serial/8250/8250_port.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_port.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 78b6dedc43e6..8f32fe9e149e 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1517,6 +1517,8 @@ static inline void __stop_tx(struct uart_8250_port *p) unsigned char lsr = serial_in(p, UART_LSR); u64 stop_delay = 0; + p->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS; + if (!(lsr & UART_LSR_THRE)) return; /* |