tty: serial: samsung: describe driver in KConfig

Describe better which driver applies to which SoC, to make configuring
kernel for Samsung SoC easier.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210924133040.111706-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 131a6a587acd3da4ce1927db5105ab44d4ef7cc3..6ff94cfcd9dbd3f339c4d880c86b55407ffdbf1c 100644 (file)
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -239,10 +239,11 @@ config SERIAL_SAMSUNG
        depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS || ARCH_APPLE || COMPILE_TEST
        select SERIAL_CORE
        help
-         Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
-         providing /dev/ttySAC0, 1 and 2 (note, some machines may not
-         provide all of these ports, depending on how the serial port
-         pins are configured.
+         Support for the on-chip UARTs on the Samsung
+         S3C24xx/S3C64xx/S5Pv210/Exynos and Apple M1 SoCs, providing
+         /dev/ttySAC0, 1 and 2 (note, some machines may not provide all of
+         these ports, depending on how the serial port pins are configured.
+         Choose Y/M here only if you build for such SoC.
 
 config SERIAL_SAMSUNG_UARTS_4
        bool