Files
linux/drivers/tty
delisun 032d5a71ed serial: pl011: Do not clear RX FIFO & RX interrupt in unthrottle.
Clearing the RX FIFO will cause data loss.
Copy the pl011_enabl_interrupts implementation, and remove the clear
interrupt and FIFO part of the code.

Fixes: 211565b100 ("serial: pl011: UPSTAT_AUTORTS requires .throttle/unthrottle")
Signed-off-by: delisun <delisun@pateo.com.cn>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221110020108.7700-1-delisun@pateo.com.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-11-22 17:52:10 +01:00
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