linux-kernel - [PATCH 4.19 292/323] mips: lantiq: add support for clk_get

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Date:   Wed, 24 Nov 2021 12:58:02 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>,
        "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
        linux-mips@...r.kernel.org, John Crispin <john@...ozen.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Jonathan Cameron <jic23@...nel.org>, linux-iio@...r.kernel.org,
        Russell King <linux@...linux.org.uk>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 292/323] mips: lantiq: add support for clk_get_parent()

From: Randy Dunlap <rdunlap@...radead.org>

[ Upstream commit fc1aabb088860d6cf9dd03612b7a6f0de91ccac2 ]

Provide a simple implementation of clk_get_parent() in the
lantiq subarch so that callers of it will build without errors.

Fixes this build error:
ERROR: modpost: "clk_get_parent" [drivers/iio/adc/ingenic-adc.ko] undefined!

Fixes: 171bb2f19ed6 ("MIPS: Lantiq: Add initial support for Lantiq SoCs")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Suggested-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
Cc: linux-mips@...r.kernel.org
Cc: John Crispin <john@...ozen.org>
Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: Jonathan Cameron <jic23@...nel.org>
Cc: linux-iio@...r.kernel.org
Cc: Russell King <linux@...linux.org.uk>
Cc: Andy Shevchenko <andy.shevchenko@...il.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Acked-by: John Crispin <john@...ozen.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/mips/lantiq/clk.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c
index a263d1b751ffe..a8e309dcd38d7 100644
--- a/arch/mips/lantiq/clk.c
+++ b/arch/mips/lantiq/clk.c
@@ -160,6 +160,12 @@ void clk_deactivate(struct clk *clk)
 }
 EXPORT_SYMBOL(clk_deactivate);
 
+struct clk *clk_get_parent(struct clk *clk)
+{
+	return NULL;
+}
+EXPORT_SYMBOL(clk_get_parent);
+
 static inline u32 get_counter_resolution(void)
 {
 	u32 res;
-- 
2.33.0