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From: kernel test robot <lkp@intel.com>
To: Gregory CLEMENT <gregory.clement@bootlin.com>,
	Vinod Koul <vkoul@kernel.org>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Aswath Govindraju <a-govindraju@ti.com>,
	Swapnil Jakhade <sjakhade@cadence.com>
Cc: oe-kbuild-all@lists.linux.dev,
	"Théo Lebrun" <theo.lebrun@bootlin.com>,
	"Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
	linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org,
	"Gregory CLEMENT" <gregory.clement@bootlin.com>
Subject: Re: [PATCH] phy: cadence: Sierra: Do not modify register when getting parent clock
Date: Fri, 6 Mar 2026 10:45:48 +0800	[thread overview]
Message-ID: <202603061235.hrl27Jvj-lkp@intel.com> (raw)
In-Reply-To: <20260305-fix_sierra_get_parent-v1-1-a7c18e9e6c58@bootlin.com>

Hi Gregory,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 11439c4635edd669ae435eec308f4ab8a0804808]

url:    https://github.com/intel-lab-lkp/linux/commits/Gregory-CLEMENT/phy-cadence-Sierra-Do-not-modify-register-when-getting-parent-clock/20260306-000915
base:   11439c4635edd669ae435eec308f4ab8a0804808
patch link:    https://lore.kernel.org/r/20260305-fix_sierra_get_parent-v1-1-a7c18e9e6c58%40bootlin.com
patch subject: [PATCH] phy: cadence: Sierra: Do not modify register when getting parent clock
config: xtensa-randconfig-001-20260306 (https://download.01.org/0day-ci/archive/20260306/202603061235.hrl27Jvj-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260306/202603061235.hrl27Jvj-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603061235.hrl27Jvj-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/phy/cadence/phy-cadence-sierra.c: In function 'cdns_sierra_pll_mux_get_parent':
>> drivers/phy/cadence/phy-cadence-sierra.c:702:23: warning: unused variable 'termen_field' [-Wunused-variable]
     struct regmap_field *termen_field = mux->termen_field;
                          ^~~~~~~~~~~~
>> drivers/phy/cadence/phy-cadence-sierra.c:701:23: warning: unused variable 'plllc1en_field' [-Wunused-variable]
     struct regmap_field *plllc1en_field = mux->plllc1en_field;
                          ^~~~~~~~~~~~~~


vim +/termen_field +702 drivers/phy/cadence/phy-cadence-sierra.c

d88ca22d6f0c924 Aswath Govindraju      2022-01-28  697  
28081b72859f0fa Kishon Vijay Abraham I 2021-03-19  698  static u8 cdns_sierra_pll_mux_get_parent(struct clk_hw *hw)
28081b72859f0fa Kishon Vijay Abraham I 2021-03-19  699  {
28081b72859f0fa Kishon Vijay Abraham I 2021-03-19  700  	struct cdns_sierra_pll_mux *mux = to_cdns_sierra_pll_mux(hw);
da08aab940092a0 Swapnil Jakhade        2021-12-23 @701  	struct regmap_field *plllc1en_field = mux->plllc1en_field;
da08aab940092a0 Swapnil Jakhade        2021-12-23 @702  	struct regmap_field *termen_field = mux->termen_field;
28081b72859f0fa Kishon Vijay Abraham I 2021-03-19  703  	struct regmap_field *field = mux->pfdclk_sel_preg;
28081b72859f0fa Kishon Vijay Abraham I 2021-03-19  704  	unsigned int val;
da08aab940092a0 Swapnil Jakhade        2021-12-23  705  	int index;
28081b72859f0fa Kishon Vijay Abraham I 2021-03-19  706  
28081b72859f0fa Kishon Vijay Abraham I 2021-03-19  707  	regmap_field_read(field, &val);
da08aab940092a0 Swapnil Jakhade        2021-12-23  708  
4f20466dcc453ec Gregory CLEMENT        2026-03-05  709  	if (strstr(clk_hw_get_name(hw), clk_names[CDNS_SIERRA_PLL_CMNLC1]))
da08aab940092a0 Swapnil Jakhade        2021-12-23  710  		index = clk_mux_val_to_index(hw, cdns_sierra_pll_mux_table[CMN_PLLLC1], 0, val);
4f20466dcc453ec Gregory CLEMENT        2026-03-05  711  	else
da08aab940092a0 Swapnil Jakhade        2021-12-23  712  		index = clk_mux_val_to_index(hw, cdns_sierra_pll_mux_table[CMN_PLLLC], 0, val);
da08aab940092a0 Swapnil Jakhade        2021-12-23  713  
da08aab940092a0 Swapnil Jakhade        2021-12-23  714  	return index;
28081b72859f0fa Kishon Vijay Abraham I 2021-03-19  715  }
28081b72859f0fa Kishon Vijay Abraham I 2021-03-19  716  

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      reply	other threads:[~2026-03-06  2:47 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-05 15:57 [PATCH] phy: cadence: Sierra: Do not modify register when getting parent clock Gregory CLEMENT
2026-03-06  2:45 ` kernel test robot [this message]

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