Re: [PATCH v2 8/8] partitions/tegra: Implement eMMC boot partitions scanning

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Hi Dmitry,

I love your patch! Yet something to improve:

[auto build test ERROR on tegra/for-next]
[also build test ERROR on block/for-next linus/master v5.6-rc5 next-20200306]
[cannot apply to ulf.hansson-mmc/next]
[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/Dmitry-Osipenko/Introduce-NVIDIA-Tegra-Partition-Tablex/20200306-124106
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux.git for-next
config: arm64-randconfig-a001-20200308 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=arm64 

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

All errors (new ones prefixed by >>):

   block/partitions/tegra.o: In function `tegra_partition_table_emmc_boot_offset':
   block/partitions/tegra.c:379: undefined reference to `mmc_bdev_to_card'
   block/partitions/tegra.c:379:(.text+0x674): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `mmc_bdev_to_card'
   block/partitions/tegra.c:389: undefined reference to `mmc_card_is_blockaddr'
   block/partitions/tegra.c:389:(.text+0x6a4): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `mmc_card_is_blockaddr'
>> block/partitions/tegra.c:424: undefined reference to `mmc_bdev_to_part_type'
   block/partitions/tegra.c:424:(.text+0x748): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `mmc_bdev_to_part_type'
>> block/partitions/tegra.c:417: undefined reference to `mmc_bdev_to_area_type'
   block/partitions/tegra.c:417:(.text+0xbec): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `mmc_bdev_to_area_type'

vim +424 block/partitions/tegra.c

   375	
   376	static int
   377	tegra_partition_table_emmc_boot_offset(struct tegra_partition_table_parser *ptp)
   378	{
   379		struct mmc_card *card = mmc_bdev_to_card(ptp->state->bdev);
   380		const struct of_device_id *matched;
   381		int part_type, area_type;
   382		const u32 *sdhci_bases;
   383		u32 sdhci_base;
   384		unsigned int i;
   385		int err;
   386	
   387		/* filter out unexpected/untested boot sources */
   388		if (!card || card->ext_csd.rev < 3 ||
   389		    !mmc_card_is_blockaddr(card) ||
   390		     mmc_card_is_removable(card->host))
   391			return -1;
   392	
   393		/* skip everything unrelated to Tegra eMMC */
   394		matched = of_match_node(tegra_sdhci_match, card->host->parent->of_node);
   395		if (!matched)
   396			return -1;
   397	
   398		sdhci_bases = matched->data;
   399	
   400		/* figure out SDHCI instance ID by the base address */
   401		err = of_property_read_u32_index(card->host->parent->of_node,
   402						 "reg", 0, &sdhci_base);
   403		if (err)
   404			return -1;
   405	
   406		for (i = 0; i < TEGRA_PT_SDHCI_DEVICE_INSTANCES; i++) {
   407			if (sdhci_base == sdhci_bases[i])
   408				break;
   409		}
   410	
   411		if (i == TEGRA_PT_SDHCI_DEVICE_INSTANCES)
   412			return -1;
   413	
   414		ptp->dev_id       = TEGRA_PT_SDHCI_DEVICE_ID;
   415		ptp->dev_instance = i;
   416	
 > 417		area_type = mmc_bdev_to_area_type(ptp->state->bdev);
   418	
   419		if (WARN_ON(area_type < 0))
   420			return -1;
   421	
   422		switch (area_type) {
   423		case MMC_BLK_DATA_AREA_BOOT:
 > 424			part_type = mmc_bdev_to_part_type(ptp->state->bdev);
   425	
   426			if (WARN_ON(part_type < 0))
   427				return -1;
   428	
   429			ptp->boot_id = part_type - EXT_CSD_PART_CONFIG_ACC_BOOT0;
   430			ptp->snapshot_mode = true;
   431			break;
   432	
   433		case MMC_BLK_DATA_AREA_MAIN:
   434			break;
   435	
   436		default:
   437			TEGRA_PT_ERR(ptp, "unexpected area_type: %u\n", area_type);
   438			return -1;
   439		}
   440	
   441		ptp->card = card;
   442	
   443		/*
   444		 * eMMC storage has two special boot partitions in addition to the
   445		 * main one.  NVIDIA's bootloader linearizes eMMC boot0->boot1->main
   446		 * accesses, this means that the partition table addresses are shifted
   447		 * by the size of boot partitions.  In accordance with the eMMC
   448		 * specification, the boot partition size is calculated as follows:
   449		 *
   450		 *	boot partition size = 128K byte x BOOT_SIZE_MULT
   451		 *
   452		 * This function returns number of sectors occupied by the both boot
   453		 * partitions.
   454		 */
   455		return card->ext_csd.raw_boot_mult * SZ_128K /
   456		       SECTOR_SIZE * MMC_NUM_BOOT_PARTITION;
   457	}
   458	

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

Attachment: .config.gz
Description: application/gzip


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