Re: [PATCH 05/21] ata: libahci_platform: Convert to using devm bulk clocks API

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Hi Serge,

I love your patch! Yet something to improve:

[auto build test ERROR on v5.17]
[also build test ERROR on next-20220328]
[cannot apply to axboe-block/for-next robh/for-next linus/master]
[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/intel-lab-lkp/linux/commits/Serge-Semin/ata-ahci-Add-DWC-Baikal-T1-AHCI-SATA-support/20220328-234809
base:    f443e374ae131c168a065ea1748feac6b2e76613
config: arm-buildonly-randconfig-r005-20220327 (https://download.01.org/0day-ci/archive/20220329/202203290643.0ExdJphD-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0f6d9501cf49ce02937099350d08f20c4af86f3d)
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
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/intel-lab-lkp/linux/commit/28cf1dcfb31bfca35af403a8774d0d880923fab3
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Serge-Semin/ata-ahci-Add-DWC-Baikal-T1-AHCI-SATA-support/20220328-234809
        git checkout 28cf1dcfb31bfca35af403a8774d0d880923fab3
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/ata/

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

All errors (new ones prefixed by >>):

>> drivers/ata/ahci_dm816.c:72:6: error: invalid argument type 'struct clk_bulk_data' to unary expression
           if (!hpriv->clks[1]) {
               ^~~~~~~~~~~~~~~
>> drivers/ata/ahci_dm816.c:77:29: error: passing 'struct clk_bulk_data' to parameter of incompatible type 'struct clk *'
           refclk_rate = clk_get_rate(hpriv->clks[1]);
                                      ^~~~~~~~~~~~~~
   include/linux/clk.h:584:40: note: passing argument to parameter 'clk' here
   unsigned long clk_get_rate(struct clk *clk);
                                          ^
   2 errors generated.


vim +72 drivers/ata/ahci_dm816.c

df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   60  
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   61  static int ahci_dm816_phy_init(struct ahci_host_priv *hpriv, struct device *dev)
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   62  {
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   63  	unsigned long refclk_rate;
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   64  	int mpy;
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   65  	u32 val;
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   66  
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   67  	/*
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   68  	 * We should have been supplied two clocks: the functional and
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   69  	 * keep-alive clock and the external reference clock. We need the
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   70  	 * rate of the latter to calculate the correct value of MPY bits.
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   71  	 */
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14  @72  	if (!hpriv->clks[1]) {
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   73  		dev_err(dev, "reference clock not supplied\n");
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   74  		return -EINVAL;
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   75  	}
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   76  
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14  @77  	refclk_rate = clk_get_rate(hpriv->clks[1]);
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   78  	if ((refclk_rate % 100) != 0) {
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   79  		dev_err(dev, "reference clock rate must be divisible by 100\n");
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   80  		return -EINVAL;
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   81  	}
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   82  
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   83  	mpy = ahci_dm816_get_mpy_bits(refclk_rate);
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   84  	if (mpy < 0) {
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   85  		dev_err(dev, "can't calculate the MPY bits value\n");
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   86  		return -EINVAL;
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   87  	}
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   88  
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   89  	/* Enable the PHY and configure the first HBA port. */
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   90  	val = AHCI_DM816_PHY_MPY(mpy) | AHCI_DM816_PHY_LOS(1) |
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   91  	      AHCI_DM816_PHY_RXCDR(4) | AHCI_DM816_PHY_RXEQ(1) |
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   92  	      AHCI_DM816_PHY_TXSWING(3) | AHCI_DM816_PHY_ENPLL(1);
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   93  	writel(val, hpriv->mmio + AHCI_DM816_P0PHYCR_REG);
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   94  
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   95  	/* Configure the second HBA port. */
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   96  	val = AHCI_DM816_PHY_LOS(1) | AHCI_DM816_PHY_RXCDR(4) |
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   97  	      AHCI_DM816_PHY_RXEQ(1) | AHCI_DM816_PHY_TXSWING(3);
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   98  	writel(val, hpriv->mmio + AHCI_DM816_P1PHYCR_REG);
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14   99  
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14  100  	return 0;
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14  101  }
df46e6a4c06c89 Bartosz Golaszewski 2017-03-14  102  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp



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