linux-kernel - [PATCH v2 1/3] ARM: davinci: normalize clk API

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Date:   Fri, 21 Jul 2017 17:22:46 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     linux-arm-kernel@...ts.infradead.org, Sekhar Nori <nsekhar@...com>,
        Kevin Hilman <khilman@...nel.org>,
        Russell King <linux@...linux.org.uk>
Cc:     Arnd Bergmann <arnd@...db.de>, linux-clk@...r.kernel.org,
        Stephen Boyd <sboyd@...eaurora.org>,
        Michael Turquette <mturquette@...libre.com>,
        Hartley Sweeten <hsweeten@...ionengravers.com>,
        Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Eric Miao <eric.y.miao@...il.com>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Alexandre Bailon <abailon@...libre.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/3] ARM: davinci: normalize clk API

davinci still has its own clk implementation, but lacks
a clk_get_parent() helper, which can lead to link errors
in randconfig builds.

This adds the usual implementation.

Acked-by: Sekhar Nori <nsekhar@...com>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/arm/mach-davinci/clock.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index f5dce9b4e617..f77a4f766050 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -218,6 +218,15 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
 }
 EXPORT_SYMBOL(clk_set_parent);
 
+struct clk *clk_get_parent(struct clk *clk)
+{
+	if (!clk)
+		return NULL;
+
+	return clk->parent;
+}
+EXPORT_SYMBOL(clk_get_parent);
+
 int clk_register(struct clk *clk)
 {
 	if (clk == NULL || IS_ERR(clk))
-- 
2.9.0