linux-kernel - [PATCH] mips: lantiq: add support for clk_set

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Date:   Tue, 28 Dec 2021 16:03:45 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc:     John Crispin <john@...ozen.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        alsa-devel@...a-project.org, Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH] mips: lantiq: add support for clk_set_parent()

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

Fixes these build errors:

ERROR: modpost: "clk_set_parent" [sound/soc/jz4740/snd-soc-jz4740-i2s.ko] undefined!
ERROR: modpost: "clk_set_parent" [sound/soc/atmel/snd-soc-atmel-i2s.ko] undefined!

Fixes: 171bb2f19ed6 ("MIPS: Lantiq: Add initial support for Lantiq SoCs")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Reported-by: kernel test robot <lkp@...el.com>
--to=linux-mips@...r.kernel.org --cc="John Crispin <john@...ozen.org>" --cc="Jonathan Cameron <jic23@...nel.org>" --cc="Russell King <linux@...linux.org.uk>" --cc="Andy Shevchenko <andy.shevchenko@...il.com>" --cc=alsa-devel@...a-project.org --to="Thomas Bogendoerfer <tsbogend@...ha.franken.de>"
---
 arch/mips/lantiq/clk.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- linux-next-20211224.orig/arch/mips/lantiq/clk.c
+++ linux-next-20211224/arch/mips/lantiq/clk.c
@@ -164,6 +164,12 @@ struct clk *clk_get_parent(struct clk *c
 }
 EXPORT_SYMBOL(clk_get_parent);
 
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+	return 0;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
 static inline u32 get_counter_resolution(void)
 {
 	u32 res;