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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-09 20:32:28 +0200 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-14 12:44:14 +0200 |
| commit | 42954857190b9df16d9d873ecc7f6cc38e013e44 (patch) | |
| tree | 98c588f629ff534d458eb0884782ea99672d7634 /target/linux/brcm2708/patches-4.19/950-0149-sc16is7xx-Don-t-spin-if-no-data-received.patch | |
| parent | f1875e902d0afb7d9b9e5285b4fd8da7f6c5e30a (diff) | |
| download | upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.gz upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.bz2 upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.zip | |
brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0149-sc16is7xx-Don-t-spin-if-no-data-received.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0149-sc16is7xx-Don-t-spin-if-no-data-received.patch | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0149-sc16is7xx-Don-t-spin-if-no-data-received.patch b/target/linux/brcm2708/patches-4.19/950-0149-sc16is7xx-Don-t-spin-if-no-data-received.patch new file mode 100644 index 0000000000..7d6947ef9b --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0149-sc16is7xx-Don-t-spin-if-no-data-received.patch @@ -0,0 +1,23 @@ +From 6a47065f2c10f857ec32786d0c4f2e1c46aed98b Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Tue, 6 Nov 2018 12:57:48 +0000 +Subject: [PATCH 149/703] 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 +@@ -678,6 +678,8 @@ 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); |