Re: [PATCH] mmc: sdhci-msm: Command Queue (CQ) Register changes for v5.0
From: kernel test robot
Date: Mon Dec 02 2024 - 08:42:30 EST
Hi Sachin,
kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master]
[also build test WARNING on ulf-hansson-mmc-mirror/next v6.13-rc1 next-20241128]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Sachin-Gupta/mmc-sdhci-msm-Command-Queue-CQ-Register-changes-for-v5-0/20241202-170044
base: linus/master
patch link: https://lore.kernel.org/r/20241202085631.13468-1-quic_sachgupt%40quicinc.com
patch subject: [PATCH] mmc: sdhci-msm: Command Queue (CQ) Register changes for v5.0
config: arm64-randconfig-001-20241202 (https://download.01.org/0day-ci/archive/20241202/202412022051.5NYO7EbI-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241202/202412022051.5NYO7EbI-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412022051.5NYO7EbI-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
In file included from include/asm-generic/bug.h:22,
from arch/arm64/include/asm/bug.h:26,
from include/linux/bug.h:5,
from arch/arm64/include/asm/cpufeature.h:24,
from arch/arm64/include/asm/hwcap.h:9,
from arch/arm64/include/asm/arch_timer.h:12,
from arch/arm64/include/asm/timex.h:8,
from include/linux/timex.h:67,
from include/linux/time32.h:13,
from include/linux/time.h:60,
from include/linux/stat.h:19,
from include/linux/module.h:13,
from drivers/mmc/host/sdhci-msm.c:8:
drivers/mmc/host/sdhci-msm.c: In function 'sdhci_msm_dump_vendor_regs':
>> drivers/mmc/host/sdhci-msm.c:2289:38: warning: 'cq_host' is used uninitialized [-Wuninitialized]
2289 | readl_relaxed(cq_host->mmio + CQHCI_VENDOR_CFG + offset));
| ~~~~~~~^~~~~~
include/linux/printk.h:473:33: note: in definition of macro 'printk_index_wrap'
473 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/printk.h:544:9: note: in expansion of macro 'printk'
544 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
drivers/mmc/host/sdhci-msm.c:2257:9: note: in expansion of macro 'pr_err'
2257 | pr_err("%s: " DRV_NAME ": " f, mmc_hostname(host->mmc), ## x)
| ^~~~~~
drivers/mmc/host/sdhci-msm.c:2288:9: note: in expansion of macro 'CQHCI_DUMP'
2288 | CQHCI_DUMP("Vendor cfg 0x%08x\n",
| ^~~~~~~~~~
drivers/mmc/host/sdhci-msm.c:2264:28: note: 'cq_host' was declared here
2264 | struct cqhci_host *cq_host;
| ^~~~~~~
vim +/cq_host +2289 drivers/mmc/host/sdhci-msm.c
2250
2251 #define DRIVER_NAME "sdhci_msm"
2252 #define SDHCI_MSM_DUMP(f, x...) \
2253 pr_err("%s: " DRIVER_NAME ": " f, mmc_hostname(host->mmc), ## x)
2254
2255 #define DRV_NAME "cqhci"
2256 #define CQHCI_DUMP(f, x...) \
2257 pr_err("%s: " DRV_NAME ": " f, mmc_hostname(host->mmc), ## x)
2258
2259 static void sdhci_msm_dump_vendor_regs(struct sdhci_host *host)
2260 {
2261 struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
2262 struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
2263 const struct sdhci_msm_offset *msm_offset = msm_host->offset;
2264 struct cqhci_host *cq_host;
2265 int offset = 0;
2266
2267 if (msm_host->cqhci_offset_changed)
2268 offset = CQE_V5_VENDOR_CFG;
2269
2270 SDHCI_MSM_DUMP("----------- VENDOR REGISTER DUMP -----------\n");
2271
2272 SDHCI_MSM_DUMP(
2273 "DLL sts: 0x%08x | DLL cfg: 0x%08x | DLL cfg2: 0x%08x\n",
2274 readl_relaxed(host->ioaddr + msm_offset->core_dll_status),
2275 readl_relaxed(host->ioaddr + msm_offset->core_dll_config),
2276 readl_relaxed(host->ioaddr + msm_offset->core_dll_config_2));
2277 SDHCI_MSM_DUMP(
2278 "DLL cfg3: 0x%08x | DLL usr ctl: 0x%08x | DDR cfg: 0x%08x\n",
2279 readl_relaxed(host->ioaddr + msm_offset->core_dll_config_3),
2280 readl_relaxed(host->ioaddr + msm_offset->core_dll_usr_ctl),
2281 readl_relaxed(host->ioaddr + msm_offset->core_ddr_config));
2282 SDHCI_MSM_DUMP(
2283 "Vndr func: 0x%08x | Vndr func2 : 0x%08x Vndr func3: 0x%08x\n",
2284 readl_relaxed(host->ioaddr + msm_offset->core_vendor_spec),
2285 readl_relaxed(host->ioaddr +
2286 msm_offset->core_vendor_spec_func2),
2287 readl_relaxed(host->ioaddr + msm_offset->core_vendor_spec3));
2288 CQHCI_DUMP("Vendor cfg 0x%08x\n",
> 2289 readl_relaxed(cq_host->mmio + CQHCI_VENDOR_CFG + offset));
2290 }
2291
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki