Re: [PATCH] mmc: sdhci_am654: Add Support for Command Queuing Engine to J721E

[kbuild test robot]

Hi Faiz,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.4-rc7 next-20191115]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Faiz-Abbas/mmc-sdhci_am654-Add-Support-for-Command-Queuing-Engine-to-J721E/20191115-215537
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 96b95eff4a591dbac582c2590d067e356a18aacb
config: x86_64-randconfig-g001-20191117 (attached as .config)
compiler: gcc-7 (Debian 7.4.0-14) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All errors (new ones prefixed by >>):

   ld: drivers/mmc/host/sdhci_am654.o: in function `sdhci_am654_cqhci_irq':
>> drivers/mmc/host/sdhci_am654.c:274: undefined reference to `cqhci_irq'
   ld: drivers/mmc/host/sdhci_am654.o: in function `sdhci_am654_cqe_add_host':
>> drivers/mmc/host/sdhci_am654.c:355: undefined reference to `cqhci_init'

vim +274 drivers/mmc/host/sdhci_am654.c

   265	
   266	static u32 sdhci_am654_cqhci_irq(struct sdhci_host *host, u32 intmask)
   267	{
   268		int cmd_error = 0;
   269		int data_error = 0;
   270	
   271		if (!sdhci_cqe_irq(host, intmask, &cmd_error, &data_error))
   272			return intmask;
   273	
 > 274		cqhci_irq(host->mmc, intmask, cmd_error, data_error);
   275	
   276		return 0;
   277	}
   278	
   279	static struct sdhci_ops sdhci_j721e_8bit_ops = {
   280		.get_max_clock = sdhci_pltfm_clk_get_max_clock,
   281		.get_timeout_clock = sdhci_pltfm_clk_get_max_clock,
   282		.set_uhs_signaling = sdhci_set_uhs_signaling,
   283		.set_bus_width = sdhci_set_bus_width,
   284		.set_power = sdhci_am654_set_power,
   285		.set_clock = sdhci_am654_set_clock,
   286		.write_b = sdhci_am654_write_b,
   287		.irq = sdhci_am654_cqhci_irq,
   288		.reset = sdhci_reset,
   289	};
   290	
   291	static const struct sdhci_pltfm_data sdhci_j721e_8bit_pdata = {
   292		.ops = &sdhci_j721e_8bit_ops,
   293		.quirks = SDHCI_QUIRK_INVERTED_WRITE_PROTECT |
   294			  SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
   295		.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
   296	};
   297	
   298	static const struct sdhci_am654_driver_data sdhci_j721e_8bit_drvdata = {
   299		.pdata = &sdhci_j721e_8bit_pdata,
   300		.flags = DLL_PRESENT,
   301	};
   302	
   303	static struct sdhci_ops sdhci_j721e_4bit_ops = {
   304		.get_max_clock = sdhci_pltfm_clk_get_max_clock,
   305		.get_timeout_clock = sdhci_pltfm_clk_get_max_clock,
   306		.set_uhs_signaling = sdhci_set_uhs_signaling,
   307		.set_bus_width = sdhci_set_bus_width,
   308		.set_power = sdhci_am654_set_power,
   309		.set_clock = sdhci_j721e_4bit_set_clock,
   310		.write_b = sdhci_am654_write_b,
   311		.irq = sdhci_am654_cqhci_irq,
   312		.reset = sdhci_reset,
   313	};
   314	
   315	static const struct sdhci_pltfm_data sdhci_j721e_4bit_pdata = {
   316		.ops = &sdhci_j721e_4bit_ops,
   317		.quirks = SDHCI_QUIRK_INVERTED_WRITE_PROTECT |
   318			  SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
   319		.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
   320	};
   321	
   322	static const struct sdhci_am654_driver_data sdhci_j721e_4bit_drvdata = {
   323		.pdata = &sdhci_j721e_4bit_pdata,
   324		.flags = IOMUX_PRESENT,
   325	};
   326	
   327	static void sdhci_am654_dumpregs(struct mmc_host *mmc)
   328	{
   329		sdhci_dumpregs(mmc_priv(mmc));
   330	}
   331	
   332	static const struct cqhci_host_ops sdhci_am654_cqhci_ops = {
   333		.enable		= sdhci_cqe_enable,
   334		.disable	= sdhci_cqe_disable,
   335		.dumpregs	= sdhci_am654_dumpregs,
   336	};
   337	
   338	static int sdhci_am654_cqe_add_host(struct sdhci_host *host)
   339	{
   340		struct cqhci_host *cq_host;
   341		int ret;
   342	
   343		cq_host = devm_kzalloc(host->mmc->parent, sizeof(struct cqhci_host),
   344				       GFP_KERNEL);
   345		if (!cq_host)
   346			return -ENOMEM;
   347	
   348		cq_host->mmio = host->ioaddr + SDHCI_AM654_CQE_BASE_ADDR;
   349		cq_host->quirks |= CQHCI_QUIRK_SHORT_TXFR_DESC_SZ;
   350		cq_host->caps |= CQHCI_TASK_DESC_SZ_128;
   351		cq_host->ops = &sdhci_am654_cqhci_ops;
   352	
   353		host->mmc->caps2 |= MMC_CAP2_CQE;
   354	
 > 355		ret = cqhci_init(cq_host, host->mmc, 1);
   356	
   357		return ret;
   358	}
   359	

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