linux-kernel - [PATCH] soc: rockchip: Fix compile-testing SoC drivers

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Message-Id: <20220422111914.1.Id5f16dec920f620120c0a143a97a12e16d401760@changeid>
Date:   Fri, 22 Apr 2022 11:19:19 -0700
From:   Brian Norris <briannorris@...omium.org>
To:     Heiko Stuebner <heiko@...ech.de>, Arnd Bergmann <arnd@...db.de>
Cc:     Guenter Roeck <linux@...ck-us.net>,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Brian Norris <briannorris@...omium.org>
Subject: [PATCH] soc: rockchip: Fix compile-testing SoC drivers

Similar to commit 7f94b69ece51 ("ARM: ixp4xx: fix compile-testing soc
drivers").

drivers/soc/rockchip/Kconfig makes plenty of provision for configuring
drivers either for ARCH_ROCKCHIP or for COMPILE_TEST. But
drivers/soc/Makefile pulls the rug out from under us, by refusing to
build anything if we specified COMPILE_TEST but not ARCH_ROCKCHIP.

Currently, I'm not aware of anything that breaks without this patch, but
it certainly makes for confusing builds (CONFIG_ROCKCHIP_PM_DOMAINS=y,
but we didn't actually compile the driver?) and leaves room for future
error (I have pending patches that break confusingly with COMPILE_TEST=y
even though their Kconfig dependencies seem correct [1]).

Defer to drivers/soc/rockchip/{Makefile,Kconfig} to do the right thing.

[1] e.g.,
https://lore.kernel.org/linux-rockchip/20220405184816.RFC.2.I2d73b403944f0b8b5871a77585b73f31ccc62999@changeid/
[RFC PATCH 2/2] PM / devfreq: rk3399_dmc: Block PMU during transitions

Signed-off-by: Brian Norris <briannorris@...omium.org>
---

 drivers/soc/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile
index fd7717d597fc..4c91705a8bb3 100644
--- a/drivers/soc/Makefile
+++ b/drivers/soc/Makefile
@@ -23,7 +23,7 @@ obj-y				+= pxa/
 obj-y				+= amlogic/
 obj-y				+= qcom/
 obj-y				+= renesas/
-obj-$(CONFIG_ARCH_ROCKCHIP)	+= rockchip/
+obj-y				+= rockchip/
 obj-$(CONFIG_SOC_SAMSUNG)	+= samsung/
 obj-$(CONFIG_SOC_SIFIVE)	+= sifive/
 obj-y				+= sunxi/
-- 
2.36.0.rc2.479.g8af0fa9b8e-goog