linux-kernel - Re: [PATCH 04/12] clk: renesas: clk-vbattb: Add VBATTB clock driver

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Date: Sun, 16 Jun 2024 08:19:46 +0800
From: kernel test robot <lkp@...el.com>
To: Claudiu <claudiu.beznea@...on.dev>, geert+renesas@...der.be,
	mturquette@...libre.com, sboyd@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, lee@...nel.org,
	alexandre.belloni@...tlin.com, magnus.damm@...il.com
Cc: oe-kbuild-all@...ts.linux.dev, linux-renesas-soc@...r.kernel.org,
	linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-rtc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, claudiu.beznea@...on.dev,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH 04/12] clk: renesas: clk-vbattb: Add VBATTB clock driver

Hi Claudiu,

kernel test robot noticed the following build warnings:

[auto build test WARNING on geert-renesas-drivers/renesas-clk]
[also build test WARNING on geert-renesas-devel/next linus/master v6.10-rc3 next-20240613]
[cannot apply to abelloni/rtc-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Claudiu/clk-renesas-r9a08g045-Add-clock-reset-and-power-domain-support-for-the-VBATTB-IP/20240614-152418
base:   https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git renesas-clk
patch link:    https://lore.kernel.org/r/20240614071932.1014067-5-claudiu.beznea.uj%40bp.renesas.com
patch subject: [PATCH 04/12] clk: renesas: clk-vbattb: Add VBATTB clock driver
config: mips-randconfig-r122-20240616 (https://download.01.org/0day-ci/archive/20240616/202406160847.Ns62KOVc-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240616/202406160847.Ns62KOVc-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/202406160847.Ns62KOVc-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/clk/renesas/clk-vbattb.c:132:35: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected unsigned int [usertype] size @@     got restricted gfp_t @@
   drivers/clk/renesas/clk-vbattb.c:132:35: sparse:     expected unsigned int [usertype] size
   drivers/clk/renesas/clk-vbattb.c:132:35: sparse:     got restricted gfp_t
>> drivers/clk/renesas/clk-vbattb.c:132:47: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected restricted gfp_t [usertype] gfp @@     got unsigned int @@
   drivers/clk/renesas/clk-vbattb.c:132:47: sparse:     expected restricted gfp_t [usertype] gfp
   drivers/clk/renesas/clk-vbattb.c:132:47: sparse:     got unsigned int
   drivers/clk/renesas/clk-vbattb.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/xarray.h, ...):
   include/linux/page-flags.h:240:46: sparse: sparse: self-comparison always evaluates to false
   include/linux/page-flags.h:240:46: sparse: sparse: self-comparison always evaluates to false

vim +132 drivers/clk/renesas/clk-vbattb.c

   119	
   120	static int vbattb_clk_probe(struct platform_device *pdev)
   121	{
   122		struct clk_parent_data parent_data = { .fw_name = "vbattb_xtal" };
   123		struct device_node *np = pdev->dev.of_node;
   124		struct device *dev = &pdev->dev;
   125		struct clk_init_data init = {};
   126		struct vbattb_clk *vbclk;
   127		u32 load_capacitance;
   128		struct clk_hw *hw;
   129		bool bypass;
   130		int ret;
   131	
 > 132		vbclk = devm_kzalloc(dev, GFP_KERNEL, sizeof(*vbclk));
   133		if (!vbclk)
   134			return -ENOMEM;
   135	
   136		vbclk->regmap = syscon_node_to_regmap(np->parent);
   137		if (IS_ERR(vbclk->regmap))
   138			return PTR_ERR(vbclk->regmap);
   139	
   140		bypass = of_property_read_bool(np, "renesas,vbattb-osc-bypass");
   141		ret = of_property_read_u32(np, "renesas,vbattb-load-nanofarads", &load_capacitance);
   142		if (ret)
   143			return ret;
   144	
   145		ret = vbattb_clk_validate_load_capacitance(vbclk, load_capacitance);
   146		if (ret)
   147			return ret;
   148	
   149		ret = devm_pm_runtime_enable(dev);
   150		if (ret)
   151			return ret;
   152	
   153		ret = pm_runtime_resume_and_get(dev);
   154		if (ret)
   155			return ret;
   156	
   157		regmap_update_bits(vbclk->regmap, VBATTB_BKSCCR, VBATTB_BKSCCR_SOSEL,
   158				   bypass ? VBATTB_BKSCCR_SOSEL : 0);
   159	
   160		init.name = "vbattclk";
   161		init.ops = &vbattb_clk_ops;
   162		init.parent_data = &parent_data;
   163		init.num_parents = 1;
   164		init.flags = 0;
   165	
   166		vbclk->hw.init = &init;
   167		hw = &vbclk->hw;
   168	
   169		spin_lock_init(&vbclk->lock);
   170	
   171		ret = devm_clk_hw_register(dev, hw);
   172		if (ret)
   173			goto rpm_put;
   174	
   175		ret = of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
   176		if (ret)
   177			goto rpm_put;
   178	
   179		return 0;
   180	
   181	rpm_put:
   182		pm_runtime_put(dev);
   183		return ret;
   184	}
   185	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki