mirror of
https://github.com/openwrt/openwrt.git
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667f6c7f49
Manually rebased patches:
bcm27xx/patches-5.4/950-0135-spi-spi-bcm2835-Disable-forced-software-CS.patch
generic-backport/744-v5.5-net-sfp-soft-status-and-control-support.patch
layerscape/patches-5.4/819-uart-0005-tty-serial-fsl_lpuart-enable-dma-mode-for-imx8qxp.patch
mvebu/patches-5.4/521-arm64-dts-marvell-espressobin-Add-ethernet-switch-al.patch
Removed:
layerscape/patches-5.4/819-uart-0012-tty-serial-lpuart-add-LS1028A-support.patch
All modifications made by update_kernel.sh
Build system: x86_64
Build-tested: ipq806x/R7800, ath79/generic, bcm27xx/bcm2711,
lantiq/Easybox 904 xDSL, x86_64
Run-tested: ipq806x/R7800, lantiq/Easybox 904 xDSL, x86_64
No dmesg regressions, everything functional
Signed-off-by: John Audia <graysky@archlinux.us>
Co-developed-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
29 lines
875 B
Diff
29 lines
875 B
Diff
From 74d7e639cce7ae95cacd948dcf5ed3b28c3fff5c Mon Sep 17 00:00:00 2001
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From: Fugang Duan <fugang.duan@nxp.com>
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Date: Mon, 28 Jan 2019 10:27:27 +0800
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Subject: [PATCH] tty: serial: fsl_lpuart: add magic SysRq support
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Add magic SysRq key support.
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Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
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---
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drivers/tty/serial/fsl_lpuart.c | 7 ++++++-
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1 file changed, 6 insertions(+), 1 deletion(-)
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--- a/drivers/tty/serial/fsl_lpuart.c
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+++ b/drivers/tty/serial/fsl_lpuart.c
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@@ -931,7 +931,12 @@ static void lpuart32_rxint(struct lpuart
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*/
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sr = lpuart32_read(&sport->port, UARTSTAT);
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rx = lpuart32_read(&sport->port, UARTDATA);
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- rx &= 0x3ff;
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+
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+ if ((sr & UARTSTAT_FE) && (rx & UARTDATA_FRETSC) &&
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+ !(rx & UARTDATA_MASK)) {
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+ if (uart_handle_break(&sport->port))
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+ continue;
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+ }
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if (uart_handle_sysrq_char(&sport->port, (unsigned char)rx))
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continue;
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