linux-kernel - [PATCH V3] tty: serial: bcm63xx: use more precise Kconfig symbol

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Message-Id: <20220311093233.10012-1-zajec5@gmail.com>
Date:   Fri, 11 Mar 2022 10:32:33 +0100
From:   Rafał Miłecki <zajec5@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Jiri Slaby <jirislaby@...nel.org>, linux-serial@...r.kernel.org,
        Florian Fainelli <f.fainelli@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-kernel@...r.kernel.org,
        Rafał Miłecki <rafal@...ecki.pl>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH V3] tty: serial: bcm63xx: use more precise Kconfig symbol

From: Rafał Miłecki <rafal@...ecki.pl>

Patches lowering SERIAL_BCM63XX dependencies led to a discussion and
documentation change regarding "depends" usage. Adjust Kconfig entry to
match current guidelines. Make this symbol available for relevant
architectures only.

Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Ref: f35a07f92616 ("tty: serial: bcm63xx: lower driver dependencies")
Ref: 18084e435ff6 ("Documentation/kbuild: Document platform dependency practises")
Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
---
V2: Use precise "depends" (exact platforms)
V3: Don't default y for COMPILE_TEST
---
 drivers/tty/serial/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index e952ec5c7a7c..b51341678b8a 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1100,7 +1100,8 @@ config SERIAL_TIMBERDALE
 config SERIAL_BCM63XX
 	tristate "Broadcom BCM63xx/BCM33xx UART support"
 	select SERIAL_CORE
-	depends on COMMON_CLK
+	depends on ARCH_BCM4908 || ARCH_BCM_63XX || BCM63XX || BMIPS_GENERIC || COMPILE_TEST
+	default ARCH_BCM4908 || ARCH_BCM_63XX || BCM63XX || BMIPS_GENERIC
 	help
 	  This enables the driver for the onchip UART core found on
 	  the following chipsets:
-- 
2.34.1