Commit b8a6c3b3 authored by Shubhrajyoti Datta's avatar Shubhrajyoti Datta Committed by Greg Kroah-Hartman
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tty: xilinx_uartps: Fix the ignore_status 



Currently the ignore_status is not considered in the isr.
Add a check to add the ignore_status.

Fixes: 61ec9016 ("tty/serial: add support for Xilinx PS UART")
Signed-off-by: default avatarShubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220729114748.18332-5-shubhrajyoti.datta@xilinx.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 03a94800

drivers/tty/serial/xilinx_uartps.c

+2 −0
Original line number Diff line number Diff line
@@ -361,6 +361,8 @@ static irqreturn_t cdns_uart_isr(int irq, void *dev_id) 
		isrstatus &= ~CDNS_UART_IXR_TXEMPTY;

	}



	isrstatus &= port->read_status_mask;

	isrstatus &= ~port->ignore_status_mask;

	/*

	 * Skip RX processing if RX is disabled as RXEMPTY will never be set

	 * as read bytes will not be removed from the FIFO.