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

kernel test robot
2022-03-29T00:03:42Z

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-randconfig-r015-20220327 (https://download.01.org/0day-ci/archive/20220329/202203290752.NKWGfglB-lkp@intel.com/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@intel.com>

All errors (new ones prefixed by >>):

>> drivers/ata/ahci_da850.c:181:6: error: invalid argument type 'struct clk_bulk_data' to unary expression
if (!hpriv->clks[0]) {
^~~~~~~~~~~~~~~
>> drivers/ata/ahci_da850.c:186:18: error: assigning to 'struct clk_bulk_data' from incompatible type 'struct clk *'
hpriv->clks[0] = clk;
^ ~~~
drivers/ata/ahci_da850.c:194:6: error: invalid argument type 'struct clk_bulk_data' to unary expression
if (!hpriv->clks[1]) {
^~~~~~~~~~~~~~~
drivers/ata/ahci_da850.c:201:18: error: assigning to 'struct clk_bulk_data' from incompatible type 'struct clk *'
hpriv->clks[1] = clk;
^ ~~~
>> drivers/ata/ahci_da850.c:204:46: error: passing 'struct clk_bulk_data' to parameter of incompatible type 'struct clk *'
mpy = ahci_da850_calculate_mpy(clk_get_rate(hpriv->clks[1]));
^~~~~~~~~~~~~~
include/linux/clk.h:880:54: note: passing argument to parameter 'clk' here
static inline unsigned long clk_get_rate(struct clk *clk)
^
5 errors generated.

vim +181 drivers/ata/ahci_da850.c

018d5ef2048fca Akinobu Mita 2015-01-29 159
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 160 static int ahci_da850_probe(struct platform_device *pdev)
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 161 {
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 162 struct device *dev = &pdev->dev;
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 163 struct ahci_host_priv *hpriv;
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 164 void __iomem *pwrdn_reg;
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 165 struct resource *res;
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 166 struct clk *clk;
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 167 u32 mpy;
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 168 int rc;
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 169
16af2d65842d34 Kunihiko Hayashi 2018-08-22 170 hpriv = ahci_platform_get_resources(pdev, 0);
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 171 if (IS_ERR(hpriv))
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 172 return PTR_ERR(hpriv);
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 173
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 174 /*
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 175 * Internally ahci_platform_get_resources() calls clk_get(dev, NULL)
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 176 * when trying to obtain the functional clock. This SATA controller
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 177 * uses two clocks for which we specify two connection ids. If we don't
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 178 * have the functional clock at this point - call clk_get() again with
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 179 * con_id = "fck".
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 180 */
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 @181 if (!hpriv->clks[0]) {
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 182 clk = clk_get(dev, "fck");
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 183 if (IS_ERR(clk))
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 184 return PTR_ERR(clk);
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 185
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 @186 hpriv->clks[0] = clk;
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 187 }
82dbe1a68fd65a Bartosz Golaszewski 2017-01-30 188
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 189 /*
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 190 * The second clock used by ahci-da850 is the external REFCLK. If we
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 191 * didn't get it from ahci_platform_get_resources(), let's try to
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 192 * specify the con_id in clk_get().
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 193 */
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 194 if (!hpriv->clks[1]) {
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 195 clk = clk_get(dev, "refclk");
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 196 if (IS_ERR(clk)) {
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 197 dev_err(dev, "unable to obtain the reference clock");
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 198 return -ENODEV;
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 199 }
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 200
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 201 hpriv->clks[1] = clk;
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 202 }
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 203
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 @204 mpy = ahci_da850_calculate_mpy(clk_get_rate(hpriv->clks[1]));
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 205 if (mpy == 0) {
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 206 dev_err(dev, "invalid REFCLK multiplier value: 0x%x", mpy);
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 207 return -EINVAL;
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 208 }
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 209
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 210 rc = ahci_platform_enable_resources(hpriv);
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 211 if (rc)
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 212 return rc;
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 213
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 214 res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
c88c094985ad38 Christophe JAILLET 2017-08-16 215 if (!res) {
c88c094985ad38 Christophe JAILLET 2017-08-16 216 rc = -ENODEV;
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 217 goto disable_resources;
c88c094985ad38 Christophe JAILLET 2017-08-16 218 }
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 219
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 220 pwrdn_reg = devm_ioremap(dev, res->start, resource_size(res));
c88c094985ad38 Christophe JAILLET 2017-08-16 221 if (!pwrdn_reg) {
c88c094985ad38 Christophe JAILLET 2017-08-16 222 rc = -ENOMEM;
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 223 goto disable_resources;
c88c094985ad38 Christophe JAILLET 2017-08-16 224 }
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 225
cdf0ead3747200 Bartosz Golaszewski 2017-01-30 226 da850_sata_init(dev, pwrdn_reg, hpriv->mmio, mpy);
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 227
018d5ef2048fca Akinobu Mita 2015-01-29 228 rc = ahci_platform_init_host(pdev, hpriv, &ahci_da850_port_info,
018d5ef2048fca Akinobu Mita 2015-01-29 229 &ahci_platform_sht);
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 230 if (rc)
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 231 goto disable_resources;
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 232
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 233 return 0;
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 234 disable_resources:
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 235 ahci_platform_disable_resources(hpriv);
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 236 return rc;
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 237 }
ae8723f8a9c8e8 Bartlomiej Zolnierkiewicz 2014-03-25 238

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