linux-kernel - Re: drivers/clk/microchip/clk-core.c:915:10: sparse: sparse: Initializer entry defined twice

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Message-ID: <aWA7JkZAIGFpAeVZ@redhat.com>
Date: Thu, 8 Jan 2026 18:17:58 -0500
From: Brian Masney <bmasney@...hat.com>
To: kernel test robot <lkp@...el.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Stephen Boyd <sboyd@...nel.org>, linux-clk@...r.kernel.org
Subject: Re: drivers/clk/microchip/clk-core.c:915:10: sparse: sparse:
 Initializer entry defined twice

On Wed, Jan 07, 2026 at 05:52:23AM +0800, kernel test robot wrote:
> Hi Brian,
> 
> First bad commit (maybe != root cause):
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   f0b9d8eb98dfee8d00419aa07543bdc2c1a44fb1
> commit: 7d85cd8730ab7701a1cafd0db0d7b6b1f6cfbb91 clk: microchip: core: remove duplicate roclk_determine_rate()
> date:   3 months ago
> config: mips-randconfig-r113-20260106 (https://download.01.org/0day-ci/archive/20260107/202601070531.yJ4x70yl-lkp@intel.com/config)
> compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260107/202601070531.yJ4x70yl-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202601070531.yJ4x70yl-lkp@intel.com/
> 
> sparse warnings: (new ones prefixed by >>)
> >> drivers/clk/microchip/clk-core.c:915:10: sparse: sparse: Initializer entry defined twice
>    drivers/clk/microchip/clk-core.c:919:10: sparse:   also defined here
> 
> vim +915 drivers/clk/microchip/clk-core.c
> 
> ce6e1188465998 Purna Chandra Mandal 2016-05-13  910  
> ce6e1188465998 Purna Chandra Mandal 2016-05-13  911  /* sclk with post-divider */
> ce6e1188465998 Purna Chandra Mandal 2016-05-13  912  const struct clk_ops pic32_sclk_ops = {
> ce6e1188465998 Purna Chandra Mandal 2016-05-13  913  	.get_parent	= sclk_get_parent,
> ce6e1188465998 Purna Chandra Mandal 2016-05-13  914  	.set_parent	= sclk_set_parent,
> e9f039c08cdc9b Brian Masney         2025-08-11 @915  	.determine_rate = sclk_determine_rate,
> ce6e1188465998 Purna Chandra Mandal 2016-05-13  916  	.set_rate	= sclk_set_rate,
> ce6e1188465998 Purna Chandra Mandal 2016-05-13  917  	.recalc_rate	= sclk_get_rate,
> ce6e1188465998 Purna Chandra Mandal 2016-05-13  918  	.init		= sclk_init,
> ce6e1188465998 Purna Chandra Mandal 2016-05-13  919  	.determine_rate = __clk_mux_determine_rate,
> ce6e1188465998 Purna Chandra Mandal 2016-05-13  920  };
> ce6e1188465998 Purna Chandra Mandal 2016-05-13  921  
> 
> :::::: The code at line 915 was first introduced by commit
> :::::: e9f039c08cdc9b38665aee9a88ae21f59c09ba8c clk: microchip: core: convert from round_rate() to determine_rate()
> 
> :::::: TO: Brian Masney <bmasney@...hat.com>
> :::::: CC: Brian Masney <bmasney@...hat.com>

I posted a series last month to fix this issue.

https://lore.kernel.org/linux-clk/aWA6rNLNqYfJKTzf@redhat.com/T/#t

Brian