Re: [PATCH v3 10/15] clk: socfpga: use ARCH_INTEL_SOCFPGA also for 32-bit ARM SoCs (and compile test)

[kernel test robot <lkp@intel.com>]

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Hi Krzysztof,

I love your patch! Perhaps something to improve:

[auto build test WARNING on arm64/for-next/core]
[also build test WARNING on linus/master v5.12-rc2 next-20210311]
[cannot apply to clk/clk-next soc/for-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]

url:    https://github.com/0day-ci/linux/commits/Krzysztof-Kozlowski/arm64-clk-socfpga-simplifying-cleanups-and-compile-testing/20210311-232941
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/16a45074953446d4d927f2e9ffefa8349a425083
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Krzysztof-Kozlowski/arm64-clk-socfpga-simplifying-cleanups-and-compile-testing/20210311-232941
        git checkout 16a45074953446d4d927f2e9ffefa8349a425083
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/clk/socfpga/clk-gate.c: In function 'socfpga_clk_recalc_rate':
>> drivers/clk/socfpga/clk-gate.c:102:7: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     102 |   if ((int) socfpgaclk->div_reg & SOCFPGA_GPIO_DB_CLK_OFFSET)
         |       ^

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for FRAME_POINTER
   Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS
   Selected by
   - FAULT_INJECTION_STACKTRACE_FILTER && FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT && !X86_64 && !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86


vim +102 drivers/clk/socfpga/clk-gate.c

97259e99bdc914 Steffen Trumtrar 2014-01-06   89  
97259e99bdc914 Steffen Trumtrar 2014-01-06   90  static unsigned long socfpga_clk_recalc_rate(struct clk_hw *hwclk,
97259e99bdc914 Steffen Trumtrar 2014-01-06   91  	unsigned long parent_rate)
97259e99bdc914 Steffen Trumtrar 2014-01-06   92  {
97259e99bdc914 Steffen Trumtrar 2014-01-06   93  	struct socfpga_gate_clk *socfpgaclk = to_socfpga_gate_clk(hwclk);
97259e99bdc914 Steffen Trumtrar 2014-01-06   94  	u32 div = 1, val;
97259e99bdc914 Steffen Trumtrar 2014-01-06   95  
97259e99bdc914 Steffen Trumtrar 2014-01-06   96  	if (socfpgaclk->fixed_div)
97259e99bdc914 Steffen Trumtrar 2014-01-06   97  		div = socfpgaclk->fixed_div;
97259e99bdc914 Steffen Trumtrar 2014-01-06   98  	else if (socfpgaclk->div_reg) {
97259e99bdc914 Steffen Trumtrar 2014-01-06   99  		val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
25d4d341d31b34 Andy Shevchenko  2015-07-13  100  		val &= GENMASK(socfpgaclk->width - 1, 0);
97259e99bdc914 Steffen Trumtrar 2014-01-06  101  		/* Check for GPIO_DB_CLK by its offset */
97259e99bdc914 Steffen Trumtrar 2014-01-06 @102  		if ((int) socfpgaclk->div_reg & SOCFPGA_GPIO_DB_CLK_OFFSET)
97259e99bdc914 Steffen Trumtrar 2014-01-06  103  			div = val + 1;
97259e99bdc914 Steffen Trumtrar 2014-01-06  104  		else
97259e99bdc914 Steffen Trumtrar 2014-01-06  105  			div = (1 << val);
97259e99bdc914 Steffen Trumtrar 2014-01-06  106  	}
97259e99bdc914 Steffen Trumtrar 2014-01-06  107  
97259e99bdc914 Steffen Trumtrar 2014-01-06  108  	return parent_rate / div;
97259e99bdc914 Steffen Trumtrar 2014-01-06  109  }
97259e99bdc914 Steffen Trumtrar 2014-01-06  110  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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