From: Bin Meng Date: Fri, 9 Dec 2022 15:04:37 +0000 (+0800) Subject: serial: Rename earlycon semihost driver X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=359fb3f870465cc3b9a77728d09e033a248b40b6;p=linux.git serial: Rename earlycon semihost driver Now that earlycon semihost driver works on RISC-V too, let's use a much more generic name for the driver. Signed-off-by: Bin Meng Tested-by: Sergey Matyukevich Acked-by: Palmer Dabbelt Link: https://lore.kernel.org/r/20221209150437.795918-4-bmeng@tinylab.org Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 5a2cf9686b207..fc99bb09e0452 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -73,17 +73,17 @@ config SERIAL_AMBA_PL011_CONSOLE your boot loader (lilo or loadlin) about how to pass options to the kernel at boot time.) -config SERIAL_EARLYCON_ARM_SEMIHOST - bool "Early console using ARM semihosting" +config SERIAL_EARLYCON_SEMIHOST + bool "Early console using Arm compatible semihosting" depends on ARM64 || ARM || RISCV select SERIAL_CORE select SERIAL_CORE_CONSOLE select SERIAL_EARLYCON help - Support for early debug console using ARM semihosting. This enables - the console before standard serial driver is probed. This is enabled - with "earlycon=smh" on the kernel command line. The console is - enabled when early_param is processed. + Support for early debug console using Arm compatible semihosting. + This enables the console before standard serial driver is probed. + This is enabled with "earlycon=smh" on the kernel command line. + The console is enabled when early_param is processed. config SERIAL_EARLYCON_RISCV_SBI bool "Early console using RISC-V SBI" diff --git a/drivers/tty/serial/Makefile b/drivers/tty/serial/Makefile index 238a9557b4872..cd9afd9e3018f 100644 --- a/drivers/tty/serial/Makefile +++ b/drivers/tty/serial/Makefile @@ -6,7 +6,7 @@ obj-$(CONFIG_SERIAL_CORE) += serial_core.o obj-$(CONFIG_SERIAL_EARLYCON) += earlycon.o -obj-$(CONFIG_SERIAL_EARLYCON_ARM_SEMIHOST) += earlycon-arm-semihost.o +obj-$(CONFIG_SERIAL_EARLYCON_SEMIHOST) += earlycon-semihost.o obj-$(CONFIG_SERIAL_EARLYCON_RISCV_SBI) += earlycon-riscv-sbi.o # These Sparc drivers have to appear before others such as 8250 diff --git a/drivers/tty/serial/earlycon-arm-semihost.c b/drivers/tty/serial/earlycon-arm-semihost.c deleted file mode 100644 index e4692a8433f9b..0000000000000 --- a/drivers/tty/serial/earlycon-arm-semihost.c +++ /dev/null @@ -1,28 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (C) 2012 ARM Ltd. - * Author: Marc Zyngier - * - * Adapted for ARM and earlycon: - * Copyright (C) 2014 Linaro Ltd. - * Author: Rob Herring - */ -#include -#include -#include -#include -#include - -static void smh_write(struct console *con, const char *s, unsigned n) -{ - struct earlycon_device *dev = con->data; - uart_console_write(&dev->port, s, n, smh_putc); -} - -static int -__init early_smh_setup(struct earlycon_device *device, const char *opt) -{ - device->con->write = smh_write; - return 0; -} -EARLYCON_DECLARE(smh, early_smh_setup); diff --git a/drivers/tty/serial/earlycon-semihost.c b/drivers/tty/serial/earlycon-semihost.c new file mode 100644 index 0000000000000..e4692a8433f9b --- /dev/null +++ b/drivers/tty/serial/earlycon-semihost.c @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2012 ARM Ltd. + * Author: Marc Zyngier + * + * Adapted for ARM and earlycon: + * Copyright (C) 2014 Linaro Ltd. + * Author: Rob Herring + */ +#include +#include +#include +#include +#include + +static void smh_write(struct console *con, const char *s, unsigned n) +{ + struct earlycon_device *dev = con->data; + uart_console_write(&dev->port, s, n, smh_putc); +} + +static int +__init early_smh_setup(struct earlycon_device *device, const char *opt) +{ + device->con->write = smh_write; + return 0; +} +EARLYCON_DECLARE(smh, early_smh_setup);