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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-12-23 17:25:19 +0100 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-12-24 18:49:49 +0100 |
| commit | c2308a7e4adbb2acc8ff149f91d1ca46801c135e (patch) | |
| tree | ffc720dc7c05c331d6569fc3c2f0772fb375e419 /target/linux/brcm2708/patches-4.19/950-0138-sc16is7xx-Don-t-spin-if-no-data-received.patch | |
| parent | 67dcc43f3a22dc3a7ac07a7065971b426feeb043 (diff) | |
| download | upstream-c2308a7e4adbb2acc8ff149f91d1ca46801c135e.tar.gz upstream-c2308a7e4adbb2acc8ff149f91d1ca46801c135e.tar.bz2 upstream-c2308a7e4adbb2acc8ff149f91d1ca46801c135e.zip | |
brcm2708: update to latest patches from RPi Foundation
Also removes reverted patches.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0138-sc16is7xx-Don-t-spin-if-no-data-received.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0138-sc16is7xx-Don-t-spin-if-no-data-received.patch | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0138-sc16is7xx-Don-t-spin-if-no-data-received.patch b/target/linux/brcm2708/patches-4.19/950-0138-sc16is7xx-Don-t-spin-if-no-data-received.patch new file mode 100644 index 0000000000..6f22881731 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0138-sc16is7xx-Don-t-spin-if-no-data-received.patch @@ -0,0 +1,23 @@ +From 3f8c7542e12f23f6be2cd7206fbf808409db2848 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 +@@ -696,6 +696,8 @@ 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; + case SC16IS7XX_IIR_THRI_SRC: + sc16is7xx_handle_tx(port); |