Re: [PATCH v3 3/3] EDAC: nuvoton: Add NPCM memory controller driver
From: kernel test robot
Date: Fri Mar 11 2022 - 18:26:52 EST
Hi Medad,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on ras/edac-for-next]
[also build test ERROR on robh/for-next v5.17-rc7 next-20220310]
[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/Medad-CChien/EDAC-nuvoton-Add-nuvoton-NPCM-memory-controller-driver/20220311-094500
base: https://git.kernel.org/pub/scm/linux/kernel/git/ras/ras.git edac-for-next
config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20220312/202203120713.ExrZZZo2-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
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
# https://github.com/0day-ci/linux/commit/6cb0bb6039e1ce83a8d67c6d571abd2a45e82b10
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Medad-CChien/EDAC-nuvoton-Add-nuvoton-NPCM-memory-controller-driver/20220311-094500
git checkout 6cb0bb6039e1ce83a8d67c6d571abd2a45e82b10
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/kernel/ arch/arm/mach-imx/ arch/arm/mach-omap2/ arch/arm/mach-socfpga/ arch/arm/mach-tegra/ drivers/edac/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All errors (new ones prefixed by >>):
drivers/edac/npcm_edac.c: In function 'forced_ecc_error_store':
drivers/edac/npcm_edac.c:370:13: warning: suggest parentheses around operand of '!' or change '&' to '&&' or '!' to '~' [-Wparentheses]
370 | if (!readl(priv->reg + npcm_chip->ecc_ctl_en_reg) & npcm_chip->ecc_ctl_ecc_enable_mask)
>> drivers/edac/npcm_edac.c:386:92: error: macro "edac_printk" requires 4 arguments, but only 2 given
386 | edac_printk(KERN_INFO, "bit_no for checkcode must be 0~7\n");
| ^
In file included from drivers/edac/edac_module.h:14,
from drivers/edac/npcm_edac.c:15:
drivers/edac/edac_mc.h:48: note: macro "edac_printk" defined here
48 | #define edac_printk(level, prefix, fmt, arg...) \
|
>> drivers/edac/npcm_edac.c:386:33: error: 'edac_printk' undeclared (first use in this function); did you mean '_dev_printk'?
386 | edac_printk(KERN_INFO, "bit_no for checkcode must be 0~7\n");
| ^~~~~~~~~~~
| _dev_printk
drivers/edac/npcm_edac.c:386:33: note: each undeclared identifier is reported only once for each function it appears in
drivers/edac/npcm_edac.c:395:88: error: macro "edac_printk" requires 4 arguments, but only 2 given
395 | edac_printk(KERN_INFO, "bit_no for data must be 0~63\n");
| ^
In file included from drivers/edac/edac_module.h:14,
from drivers/edac/npcm_edac.c:15:
drivers/edac/edac_mc.h:48: note: macro "edac_printk" defined here
48 | #define edac_printk(level, prefix, fmt, arg...) \
|
drivers/edac/npcm_edac.c: In function 'npcm_edac_mc_probe':
drivers/edac/npcm_edac.c:583:9: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
583 | u32 ecc_en = readl(reg + npcm_chip->ecc_ctl_en_reg);
| ^~~
vim +/edac_printk +386 drivers/edac/npcm_edac.c
352
353 static ssize_t forced_ecc_error_store(struct device *dev,
354 struct device_attribute *mattr,
355 const char *data, size_t count)
356 {
357 struct mem_ctl_info *mci = to_mci(dev);
358 struct priv_data *priv = mci->pvt_info;
359 const struct npcm_edac_platform_data *npcm_chip = priv->npcm_chip;
360 int args_cnt;
361 int ret;
362 char **args;
363 u32 regval;
364 u8 bit_no;
365
366 /* Split string buffer into separate parameters */
367 args = argv_split(GFP_KERNEL, data, &args_cnt);
368
369 /* Check ecc enabled */
370 if (!readl(priv->reg + npcm_chip->ecc_ctl_en_reg) & npcm_chip->ecc_ctl_ecc_enable_mask)
371 return count;
372
373 /* Check no write operation pending to controller*/
374 while (readl(priv->reg + npcm_chip->ddr_ctl_controller_busy_reg) &
375 CTL_CONTROLLER_BUSY_FLAG) {
376 usleep_range(1000, 10000);
377 }
378
379 /* Write appropriate syndrome to xor_check_bit*/
380 if (!strcmp(args[0], "CE") && args_cnt == 3) {
381 ret = kstrtou8(args[2], 0, &bit_no);
382 if (ret)
383 return ret;
384 if (!strcmp(args[1], "checkcode")) {
385 if (bit_no > 7) {
> 386 edac_printk(KERN_INFO, "bit_no for checkcode must be 0~7\n");
387 return count;
388 }
389 regval = readl(priv->reg + npcm_chip->ecc_ctl_xor_check_bits_reg);
390 regval = (regval & ~(NPCM_ECC_CTL_XOR_BITS_MASK)) |
391 (check_synd[bit_no] << XOR_CHECK_BIT_SPLIT_WIDTH);
392 writel(regval, priv->reg + npcm_chip->ecc_ctl_xor_check_bits_reg);
393 } else if (!strcmp(args[1], "data")) {
394 if (bit_no > 63) {
395 edac_printk(KERN_INFO, "bit_no for data must be 0~63\n");
396 return count;
397 }
398 regval = readl(priv->reg + npcm_chip->ecc_ctl_xor_check_bits_reg);
399 regval = (regval & ~(NPCM_ECC_CTL_XOR_BITS_MASK)) |
400 (data_synd[bit_no] << XOR_CHECK_BIT_SPLIT_WIDTH);
401 writel(regval, priv->reg + npcm_chip->ecc_ctl_xor_check_bits_reg);
402 }
403 /* Enable the ECC writeback_en for corrected error */
404 regval = readl(priv->reg + npcm_chip->ecc_ctl_xor_check_bits_reg);
405 writel((regval | NPCM_ECC_CTL_AUTO_WRITEBACK_EN),
406 priv->reg + npcm_chip->ecc_ctl_xor_check_bits_reg);
407 } else if (!strcmp(args[0], "UE")) {
408 regval = readl(priv->reg + npcm_chip->ecc_ctl_xor_check_bits_reg);
409 regval = (regval & ~(NPCM_ECC_CTL_XOR_BITS_MASK)) |
410 (ECC_DOUBLE_MULTI_ERR_SYND << XOR_CHECK_BIT_SPLIT_WIDTH);
411 writel(regval, priv->reg + npcm_chip->ecc_ctl_xor_check_bits_reg);
412 }
413
414 /* Assert fwc */
415 writel((NPCM_ECC_CTL_FORCE_WC | readl(priv->reg + npcm_chip->ecc_ctl_xor_check_bits_reg)),
416 priv->reg + npcm_chip->ecc_ctl_xor_check_bits_reg);
417
418 return count;
419 }
420
---
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