From b8a6c3b3d4654fba19881cc77da61eac29f57cae Mon Sep 17 00:00:00 2001
From: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Date: Fri, 29 Jul 2022 17:17:45 +0530
Subject: [PATCH] tty: xilinx_uartps: Fix the ignore_status
Git-commit: b8a6c3b3d4654fba19881cc77da61eac29f57cae
Patch-mainline: v6.1-rc1
References: git-fixes
Currently the ignore_status is not considered in the isr.
Add a check to add the ignore_status.
Fixes: 61ec9016988f ("tty/serial: add support for Xilinx PS UART")
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220729114748.18332-5-shubhrajyoti.datta@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/tty/serial/xilinx_uartps.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 94e1bc694457..ae99e1164f0c 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -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.
--
2.35.3