openwrt/target/linux/bcm27xx/patches-6.1/950-0146-sc16is7xx-Don-t-spin-if-no-data-received.patch
John Audia 2bda536a3d
kernel: bump 6.1 to 6.1.53
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.53

Removed upstreamed:
	bcm53xx/patches-6.1/032-v6.6-0005-ARM-dts-BCM53573-Drop-nonexistent-usb-cells.patch[1]
	bcm53xx/patches-6.1/032-v6.6-0006-ARM-dts-BCM53573-Add-cells-sizes-to-PCIe-node.patch[2]
	bcm53xx/patches-6.1/032-v6.6-0007-ARM-dts-BCM53573-Use-updated-spi-gpio-binding-proper.patch[3]
	bcm53xx/patches-6.1/032-v6.6-0011-ARM-dts-BCM53573-Fix-Tenda-AC9-switch-CPU-port.patch[4]

All other patches automatically rebased.

Build system: x86/64
Build-tested: x86/64/AMD Cezanne
Run-tested: x86/64/AMD Cezanne

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.1.53&id=ee1d740374aa73fb32857685eb05167ad87458cf
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.1.53&id=ab5154ae26c446136827451e907db45d7b92a76f
3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.1.53&id=f5ff6897094fa161be55786cb9e5d5b1bf7a9049
4. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.1.53&id=0ef736fec61422794c4a991d46c4ec212b01d8d1

Signed-off-by: John Audia <therealgraysky@proton.me>
2023-09-23 13:10:28 +02:00

24 lines
778 B
Diff

From 1f9195cda30b320038cf94b4d14f85e58dd69d6d Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Tue, 6 Nov 2018 12:57:48 +0000
Subject: [PATCH] sc16is7xx: Don't spin if no data received
See: https://github.com/raspberrypi/linux/issues/2676
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/tty/serial/sc16is7xx.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -770,6 +770,8 @@ static bool sc16is7xx_port_irq(struct sc
rxlen = sc16is7xx_port_read(port, SC16IS7XX_RXLVL_REG);
if (rxlen)
sc16is7xx_handle_rx(port, rxlen, iir);
+ else
+ return false;
break;
/* CTSRTS interrupt comes only when CTS goes inactive */
case SC16IS7XX_IIR_CTSRTS_SRC: