From c2308a7e4adbb2acc8ff149f91d1ca46801c135e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Mon, 23 Dec 2019 17:25:19 +0100 Subject: brcm2708: update to latest patches from RPi Foundation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Also removes reverted patches. Signed-off-by: Álvaro Fernández Rojas --- ...-sc16is7xx-Don-t-spin-if-no-data-received.patch | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 target/linux/brcm2708/patches-4.19/950-0138-sc16is7xx-Don-t-spin-if-no-data-received.patch (limited to 'target/linux/brcm2708/patches-4.19/950-0138-sc16is7xx-Don-t-spin-if-no-data-received.patch') 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 +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 +--- + 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); -- cgit v1.2.3