linux-kernel - Re: [PATCH v3 4/5] mmc: sdhci: move SDHCI_QUIRK2_CLOCK_DIV_ZERO

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Message-ID: <202107251701.gGhMaSHy-lkp@intel.com>
Date:   Sun, 25 Jul 2021 17:05:21 +0800
From:   kernel test robot <lkp@...el.com>
To:     Michał Mirosław <mirq-linux@...e.qmqm.pl>,
        Kevin Liu <kliu5@...vell.com>,
        Suneel Garapati <suneel.garapati@...inx.com>,
        Ulf Hansson <ulf.hansson@...aro.org>
Cc:     clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
        Michal Simek <monstr@...str.eu>,
        linux-arm-kernel@...ts.infradead.org,
        Adrian Hunter <adrian.hunter@...el.com>,
        Chris Ball <cjb@...top.org>, linux-kernel@...r.kernel.org,
        linux-mmc@...r.kernel.org
Subject: Re: [PATCH v3 4/5] mmc: sdhci: move
 SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN frequency limit

Hi "Michał,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.14-rc2 next-20210723]
[cannot apply to xlnx/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/0day-ci/linux/commits/Micha-Miros-aw/mmc-sdhci-fix-base-clock-usage-in-preset-value/20210725-132527
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d8079fac168168b25677dc16c00ffaf9fb7df723
config: arm64-randconfig-r036-20210725 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project c63dbd850182797bc4b76124d08e1c320ab2365d)
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 arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/0day-ci/linux/commit/bf08b4b0109a3163b61d8731f021a3421d6ffd08
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Micha-Miros-aw/mmc-sdhci-fix-base-clock-usage-in-preset-value/20210725-132527
        git checkout bf08b4b0109a3163b61d8731f021a3421d6ffd08
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/mmc/host/

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

All errors (new ones prefixed by >>):

>> drivers/mmc/host/sdhci-of-dwcmshc.c:286:45: error: unexpected ';' before '}'
           .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN;
                                                      ^
>> drivers/mmc/host/sdhci-of-dwcmshc.c:321:36: error: incompatible pointer types passing 'struct sdhci_pltfm_host *' to parameter of type 'struct sdhci_host *' [-Werror,-Wincompatible-pointer-types]
           if (sdhci_pltfm_clk_get_max_clock(pltfm_host) <= 25000000)
                                             ^~~~~~~~~~
   drivers/mmc/host/sdhci-pltfm.h:107:70: note: passing argument to parameter 'host' here
   extern unsigned int sdhci_pltfm_clk_get_max_clock(struct sdhci_host *host);
                                                                        ^
   2 errors generated.


vim +286 drivers/mmc/host/sdhci-of-dwcmshc.c

   281	
   282	static const struct sdhci_pltfm_data sdhci_dwcmshc_rk3568_pdata = {
   283		.ops = &sdhci_dwcmshc_rk3568_ops,
   284		.quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
   285			  SDHCI_QUIRK_BROKEN_TIMEOUT_VAL,
 > 286		.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN;
   287	};
   288	
   289	static int dwcmshc_rk3568_init(struct sdhci_host *host, struct dwcmshc_priv *dwc_priv)
   290	{
   291		struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
   292		struct rk3568_priv *priv = dwc_priv->priv;
   293		int err;
   294	
   295		priv->rockchip_clks[0].id = "axi";
   296		priv->rockchip_clks[1].id = "block";
   297		priv->rockchip_clks[2].id = "timer";
   298		err = devm_clk_bulk_get_optional(mmc_dev(host->mmc), RK3568_MAX_CLKS,
   299						 priv->rockchip_clks);
   300		if (err) {
   301			dev_err(mmc_dev(host->mmc), "failed to get clocks %d\n", err);
   302			return err;
   303		}
   304	
   305		err = clk_bulk_prepare_enable(RK3568_MAX_CLKS, priv->rockchip_clks);
   306		if (err) {
   307			dev_err(mmc_dev(host->mmc), "failed to enable clocks %d\n", err);
   308			return err;
   309		}
   310	
   311		if (of_property_read_u8(mmc_dev(host->mmc)->of_node, "rockchip,txclk-tapnum",
   312					&priv->txclk_tapnum))
   313			priv->txclk_tapnum = DLL_TXCLK_TAPNUM_DEFAULT;
   314	
   315		/* Disable cmd conflict check */
   316		sdhci_writel(host, 0x0, dwc_priv->vendor_specific_area1 + DWCMSHC_HOST_CTRL3);
   317		/* Reset previous settings */
   318		sdhci_writel(host, 0, DWCMSHC_EMMC_DLL_TXCLK);
   319		sdhci_writel(host, 0, DWCMSHC_EMMC_DLL_STRBIN);
   320	
 > 321		if (sdhci_pltfm_clk_get_max_clock(pltfm_host) <= 25000000)
   322			host->quirks2 |= SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN;
   323	
   324		return 0;
   325	}
   326	

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

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