diff options
| author | Yangbo Lu <yangbo.lu@nxp.com> | 2020-04-10 10:47:05 +0800 |
|---|---|---|
| committer | Petr Štetiar <ynezz@true.cz> | 2020-05-07 12:53:06 +0200 |
| commit | cddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch) | |
| tree | 392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/819-uart-0002-tty-serial-fsl_lpuart-add-modem-device-reset.patch | |
| parent | d1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff) | |
| download | upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.gz upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.bz2 upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.zip | |
layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/
For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.
The patches are sorted into the following categories:
301-arch-xxxx
302-dts-xxxx
303-core-xxxx
701-net-xxxx
801-audio-xxxx
802-can-xxxx
803-clock-xxxx
804-crypto-xxxx
805-display-xxxx
806-dma-xxxx
807-gpio-xxxx
808-i2c-xxxx
809-jailhouse-xxxx
810-keys-xxxx
811-kvm-xxxx
812-pcie-xxxx
813-pm-xxxx
814-qe-xxxx
815-sata-xxxx
816-sdhc-xxxx
817-spi-xxxx
818-thermal-xxxx
819-uart-xxxx
820-usb-xxxx
821-vfio-xxxx
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/819-uart-0002-tty-serial-fsl_lpuart-add-modem-device-reset.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/819-uart-0002-tty-serial-fsl_lpuart-add-modem-device-reset.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/819-uart-0002-tty-serial-fsl_lpuart-add-modem-device-reset.patch b/target/linux/layerscape/patches-5.4/819-uart-0002-tty-serial-fsl_lpuart-add-modem-device-reset.patch new file mode 100644 index 0000000000..37fd23d205 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/819-uart-0002-tty-serial-fsl_lpuart-add-modem-device-reset.patch @@ -0,0 +1,40 @@ +From 5b05462e88dc87d83566d04dd196b4f3d9dc0eef Mon Sep 17 00:00:00 2001 +From: Fugang Duan <fugang.duan@nxp.com> +Date: Mon, 28 Jan 2019 10:12:52 +0800 +Subject: [PATCH] tty: serial: fsl_lpuart: add modem device reset + +Add modem device reset, wthether to reset depend on dts configuration. + +Signed-off-by: Fugang Duan <fugang.duan@nxp.com> +--- + drivers/tty/serial/fsl_lpuart.c | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +--- a/drivers/tty/serial/fsl_lpuart.c ++++ b/drivers/tty/serial/fsl_lpuart.c +@@ -22,6 +22,7 @@ + #include <linux/of_dma.h> + #include <linux/pm_domain.h> + #include <linux/pm_runtime.h> ++#include <linux/reset.h> + #include <linux/serial_core.h> + #include <linux/slab.h> + #include <linux/tty_flip.h> +@@ -1544,8 +1545,17 @@ static void lpuart32_configure(struct lp + static int lpuart32_startup(struct uart_port *port) + { + struct lpuart_port *sport = container_of(port, struct lpuart_port, port); ++ struct tty_port *tty_port = &sport->port.state->port; + unsigned long flags; + unsigned long temp; ++ int ret; ++ ++ /* some modem may need reset */ ++ if (!tty_port_suspended(tty_port)) { ++ ret = device_reset(sport->port.dev); ++ if (ret && ret != -ENOENT) ++ return ret; ++ } + + /* determine FIFO size */ + temp = lpuart32_read(&sport->port, UARTFIFO); |