public inbox for llvm@lists.linux.dev
 help / color / mirror / Atom feed
* [esmil:eic7700 16/20] drivers/mmc/host/sdhci-of-eswin.c:370:6: warning: no previous prototype for function 'eswin_sdhci_set_uhs_signaling'
@ 2024-09-01  9:32 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-09-01  9:32 UTC (permalink / raw)
  To: liangshuang
  Cc: llvm, oe-kbuild-all, Emil Renner Berthing, Darshan Prajapati,
	Pinkesh Vaghela

tree:   https://github.com/esmil/linux eic7700
head:   eb44174b12f99d320be704b45db6b994f6a014bd
commit: 807d8cb96b00273346bd500bedd125d06921c3f3 [16/20] drivers: mmc: Add ESWIN mmc drivers
config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20240901/202409011705.o88HoAi9-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 08e5a1de8227512d4774a534b91cb2353cef6284)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240901/202409011705.o88HoAi9-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409011705.o88HoAi9-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/mmc/host/sdhci-of-eswin.c:27:
   In file included from include/linux/phy/phy.h:17:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:25:
   In file included from include/linux/kernel_stat.h:8:
   In file included from include/linux/interrupt.h:22:
   In file included from arch/riscv/include/asm/sections.h:9:
   In file included from include/linux/mm.h:2228:
   include/linux/vmstat.h:503:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     503 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     504 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:510:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     510 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     511 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     517 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:523:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     523 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     524 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> drivers/mmc/host/sdhci-of-eswin.c:370:6: warning: no previous prototype for function 'eswin_sdhci_set_uhs_signaling' [-Wmissing-prototypes]
     370 | void eswin_sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing)
         |      ^
   drivers/mmc/host/sdhci-of-eswin.c:370:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     370 | void eswin_sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing)
         | ^
         | static 
>> drivers/mmc/host/sdhci-of-eswin.c:897:6: warning: variable 'ret' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
     897 |         if (!eswin_sdhci->core_clk_reg) {
         |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/mmc/host/sdhci-of-eswin.c:1020:9: note: uninitialized use occurs here
    1020 |         return ret;
         |                ^~~
   drivers/mmc/host/sdhci-of-eswin.c:897:2: note: remove the 'if' if its condition is always false
     897 |         if (!eswin_sdhci->core_clk_reg) {
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     898 |                 dev_err(dev, "ioremap core clk reg failed.\n");
         |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     899 |                 goto err_pltfm_free;
         |                 ~~~~~~~~~~~~~~~~~~~~
     900 |         }
         |         ~
   drivers/mmc/host/sdhci-of-eswin.c:876:9: note: initialize the variable 'ret' to silence this warning
     876 |         int ret;
         |                ^
         |                 = 0
   6 warnings generated.
--
>> drivers/mmc/host/sdhci-eswin.c:194: warning: expecting prototype for eswin_dt_parse_clk_phases(). Prototype was for eswin_sdhci_dt_parse_clk_phases() instead
--
>> drivers/mmc/host/sdhci-of-eswin-sdio.c:565: warning: Function parameter or struct member 'eswin_sdhci_sdio' not described in 'eswin_sdhci_sdio_register_sdcardclk'
>> drivers/mmc/host/sdhci-of-eswin-sdio.c:565: warning: Excess function parameter 'sdhci_arasan' description in 'eswin_sdhci_sdio_register_sdcardclk'
>> drivers/mmc/host/sdhci-of-eswin-sdio.c:616: warning: Function parameter or struct member 'eswin_sdhci_sdio' not described in 'eswin_sdhci_sdio_register_sampleclk'
>> drivers/mmc/host/sdhci-of-eswin-sdio.c:616: warning: Excess function parameter 'sdhci_arasan' description in 'eswin_sdhci_sdio_register_sampleclk'


vim +/eswin_sdhci_set_uhs_signaling +370 drivers/mmc/host/sdhci-of-eswin.c

   369	
 > 370	void eswin_sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing)
   371	{
   372		u32 val;
   373		u32 status;
   374		u32 timeout = 0;
   375		u16 ctrl_2;
   376	
   377		ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
   378		/* Select Bus Speed Mode for host */
   379		ctrl_2 &= ~SDHCI_CTRL_UHS_MASK;
   380		if ((timing == MMC_TIMING_MMC_HS200) ||
   381		    (timing == MMC_TIMING_UHS_SDR104))
   382			ctrl_2 |= SDHCI_CTRL_UHS_SDR104;
   383		else if (timing == MMC_TIMING_UHS_SDR12)
   384			ctrl_2 |= SDHCI_CTRL_UHS_SDR12;
   385		else if (timing == MMC_TIMING_UHS_SDR25)
   386			ctrl_2 |= SDHCI_CTRL_UHS_SDR25;
   387		else if (timing == MMC_TIMING_UHS_SDR50)
   388			ctrl_2 |= SDHCI_CTRL_UHS_SDR50;
   389		else if ((timing == MMC_TIMING_UHS_DDR50) ||
   390			 (timing == MMC_TIMING_MMC_DDR52))
   391			ctrl_2 |= SDHCI_CTRL_UHS_DDR50;
   392		else if (timing == MMC_TIMING_MMC_HS400)
   393			ctrl_2 |= ESWIN_SDHCI_CTRL_HS400; /* Non-standard */
   394		sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);
   395	
   396	
   397		/*
   398		 * here need make dll locked when in hs400 at 200MHz
   399		 */
   400		if ((timing == MMC_TIMING_MMC_HS400) && (host->clock == 200000000)) {
   401			eswin_sdhci_disable_card_clk(host);
   402	
   403			val = sdhci_readl(host, VENDOR_AT_CTRL_R);
   404			val &= ~(LATENCY_LT_MASK << LATENCY_LT_BIT_OFFSET);
   405			val |= (LATENCY_LT_3 << LATENCY_LT_MASK);
   406			sdhci_writel(host, val, VENDOR_AT_CTRL_R);
   407	
   408			sdhci_writeb(host, 0x23, PHY_DLL_CNFG1_R);
   409			sdhci_writeb(host, 0x02, PHY_DLL_CNFG2_R);
   410			sdhci_writeb(host, 0x60, PHY_DLLDL_CNFG_R);
   411			sdhci_writeb(host, 0x00, PHY_DLL_OFFST_R);
   412			sdhci_writew(host, 0xffff, PHY_DLLBT_CNFG_R);
   413	
   414			eswin_sdhci_enable_card_clk(host);
   415			sdhci_writeb(host, DLL_ENABEL, PHY_DLL_CTRL_R);
   416			udelay(100);
   417	
   418			while (1) {
   419				status = sdhci_readb(host, PHY_DLL_STATUS_R);
   420				if (status & DLL_LOCK_STS) {
   421					pr_debug("%s: locked status:0x%x\n", mmc_hostname(host->mmc), status);
   422					break;
   423				}
   424				timeout++;
   425				udelay(100);
   426				if (timeout > 10000) {
   427					pr_err("%s: DLL lock failed!status:0x%x\n",
   428						mmc_hostname(host->mmc), status);
   429					return;
   430				}
   431			}
   432	
   433			status = sdhci_readb(host, PHY_DLL_STATUS_R);
   434			if (status & DLL_ERROR_STS) {
   435				pr_err("%s: DLL lock failed!err_status:0x%x\n",
   436					mmc_hostname(host->mmc), status);
   437			} else {
   438				pr_debug("%s: DLL lock is success\n", mmc_hostname(host->mmc));
   439			}
   440		}
   441	}
   442	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2024-09-01  9:32 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-09-01  9:32 [esmil:eic7700 16/20] drivers/mmc/host/sdhci-of-eswin.c:370:6: warning: no previous prototype for function 'eswin_sdhci_set_uhs_signaling' kernel test robot

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox