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Searched refs:bitflips (Results 1 – 23 of 23) sorted by relevance

/openbmc/linux/drivers/mtd/tests/
H A Doobtest.c122 size_t bitflips = 0; in memcmpshowoffset() local
130 bitflips += hweight8(res); in memcmpshowoffset()
134 return bitflips; in memcmpshowoffset()
150 size_t bitflips = 0; in memffshow() local
158 bitflips += hweight8(res); in memffshow()
162 return bitflips; in memffshow()
171 size_t bitflips; in verify_eraseblock() local
194 bitflips = memcmpshow(addr, readbuf, in verify_eraseblock()
197 if (bitflips > bitflip_limit) { in verify_eraseblock()
205 } else if (bitflips) { in verify_eraseblock()
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/openbmc/linux/drivers/mtd/nand/raw/
H A Dnand_toshiba.c60 unsigned int i, bitflips = 0; in toshiba_nand_benand_eccstatus() local
63 bitflips = ecc_status[i] & TOSHIBA_NAND_ECC_STATUS_MASK; in toshiba_nand_benand_eccstatus()
64 if (bitflips == TOSHIBA_NAND_ECC_STATUS_UNCORR) { in toshiba_nand_benand_eccstatus()
67 mtd->ecc_stats.corrected += bitflips; in toshiba_nand_benand_eccstatus()
68 max_bitflips = max(max_bitflips, bitflips); in toshiba_nand_benand_eccstatus()
H A Dmeson_nand.c532 static int meson_nfc_ecc_correct(struct nand_chip *nand, u32 *bitflips, in meson_nfc_ecc_correct() argument
544 *bitflips = max_t(u32, *bitflips, ECC_ERR_CNT(*info)); in meson_nfc_ecc_correct()
551 *bitflips = max_t(u32, *bitflips, in meson_nfc_ecc_correct()
869 u32 bitflips = 0; in meson_nfc_read_page_hwecc() local
878 ret = meson_nfc_ecc_correct(nand, &bitflips, &correct_bitmap); in meson_nfc_read_page_hwecc()
886 return bitflips; in meson_nfc_read_page_hwecc()
906 bitflips = max_t(u32, bitflips, ret); in meson_nfc_read_page_hwecc()
913 return bitflips; in meson_nfc_read_page_hwecc()
H A Dfsl_ifc_nand.c644 int i, res, bitflips = 0; in check_erased_page() local
659 bitflips = max(res, bitflips); in check_erased_page()
664 return bitflips; in check_erased_page()
H A Dnandsim.c93 static unsigned int bitflips = 0; variable
125 module_param(bitflips, uint, 0400);
155 MODULE_PARM_DESC(bitflips, "Maximum number of random bit flips per page (zero by default)");
1405 if (bitflips && get_random_u16() < (1 << 6)) { in ns_do_bit_flips()
1407 if (bitflips > 1) in ns_do_bit_flips()
1408 flips = get_random_u32_inclusive(1, bitflips); in ns_do_bit_flips()
H A Ddenali.c479 unsigned int bitflips = 0; in denali_sw_ecc_fixup() local
502 bitflips = 0; in denali_sw_ecc_fixup()
528 bitflips += flips_in_byte; in denali_sw_ecc_fixup()
530 max_bitflips = max(max_bitflips, bitflips); in denali_sw_ecc_fixup()
H A Dmtk_nand.c936 return stats.bitflips; in mtk_nfc_update_ecc_stats()
948 int bitflips = 0; in mtk_nfc_read_subpage() local
1015 bitflips = -EIO; in mtk_nfc_read_subpage()
1018 bitflips = rc < 0 ? -ETIMEDOUT : in mtk_nfc_read_subpage()
1035 return bitflips; in mtk_nfc_read_subpage()
H A Dnand_base.c2789 int bitflips = 0; in nand_check_erased_buf() local
2795 bitflips += BITS_PER_BYTE - weight; in nand_check_erased_buf()
2796 if (unlikely(bitflips > bitflips_threshold)) in nand_check_erased_buf()
2806 bitflips += BITS_PER_LONG - weight; in nand_check_erased_buf()
2807 if (unlikely(bitflips > bitflips_threshold)) in nand_check_erased_buf()
2813 bitflips += BITS_PER_BYTE - weight; in nand_check_erased_buf()
2814 if (unlikely(bitflips > bitflips_threshold)) in nand_check_erased_buf()
2818 return bitflips; in nand_check_erased_buf()
3646 chip->pagecache.bitflips = ret; in nand_do_read_ops()
3689 chip->pagecache.bitflips); in nand_do_read_ops()
/openbmc/u-boot/drivers/mtd/ubi/
H A Dattach.c322 int len, err, second_is_newer, bitflips = 0, corrupted = 0; in ubi_compare_lebs() local
364 return bitflips << 1; in ubi_compare_lebs()
375 bitflips = 1; in ubi_compare_lebs()
404 bitflips = 0; in ubi_compare_lebs()
408 bitflips |= !!err; in ubi_compare_lebs()
419 return second_is_newer | (bitflips << 1) | (corrupted << 2); in ubi_compare_lebs()
445 int ec, const struct ubi_vid_hdr *vid_hdr, int bitflips) in ubi_add_to_av() argument
458 pnum, vol_id, lnum, ec, sqnum, bitflips); in ubi_add_to_av()
541 aeb->scrub = ((cmp_res & 2) || bitflips); in ubi_add_to_av()
577 aeb->scrub = bitflips; in ubi_add_to_av()
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H A Dubi.h786 int ec, const struct ubi_vid_hdr *vid_hdr, int bitflips);
/openbmc/linux/drivers/mtd/ubi/
H A Dattach.c441 int len, err, second_is_newer, bitflips = 0, corrupted = 0; in ubi_compare_lebs() local
483 return bitflips << 1; in ubi_compare_lebs()
494 bitflips = 1; in ubi_compare_lebs()
523 bitflips = 0; in ubi_compare_lebs()
527 bitflips |= !!err; in ubi_compare_lebs()
538 return second_is_newer | (bitflips << 1) | (corrupted << 2); in ubi_compare_lebs()
564 int ec, const struct ubi_vid_hdr *vid_hdr, int bitflips) in ubi_add_to_av() argument
577 pnum, vol_id, lnum, ec, sqnum, bitflips); in ubi_add_to_av()
660 aeb->scrub = ((cmp_res & 2) || bitflips); in ubi_add_to_av()
694 aeb->scrub = bitflips; in ubi_add_to_av()
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H A Dubi.h826 int ec, const struct ubi_vid_hdr *vid_hdr, int bitflips);
/openbmc/linux/drivers/mtd/nand/
H A Decc-mtk.c224 u32 bitflips = 0; in mtk_ecc_get_stats() local
241 bitflips = max_t(u32, bitflips, err); in mtk_ecc_get_stats()
244 stats->bitflips = bitflips; in mtk_ecc_get_stats()
/openbmc/linux/include/linux/mtd/
H A Dnand-ecc-mtk.h23 u32 bitflips; member
H A Drawnand.h1309 unsigned int bitflips; member
/openbmc/u-boot/drivers/mtd/nand/raw/
H A Dfsl_ifc_nand.c713 int i, res, bitflips; in check_erased_page() local
717 bitflips = 0; in check_erased_page()
728 bitflips = max(res, bitflips); in check_erased_page()
733 return bitflips; in check_erased_page()
H A Ddenali.c385 unsigned int bitflips = 0; in denali_sw_ecc_fixup() local
408 bitflips = 0; in denali_sw_ecc_fixup()
434 bitflips += flips_in_byte; in denali_sw_ecc_fixup()
436 max_bitflips = max(max_bitflips, bitflips); in denali_sw_ecc_fixup()
H A Dnand_base.c1105 int bitflips = 0; in nand_check_erased_buf() local
1111 bitflips += BITS_PER_BYTE - weight; in nand_check_erased_buf()
1112 if (unlikely(bitflips > bitflips_threshold)) in nand_check_erased_buf()
1118 bitflips += 32 - weight; in nand_check_erased_buf()
1119 if (unlikely(bitflips > bitflips_threshold)) in nand_check_erased_buf()
1125 bitflips += BITS_PER_BYTE - weight; in nand_check_erased_buf()
1126 if (unlikely(bitflips > bitflips_threshold)) in nand_check_erased_buf()
1130 return bitflips; in nand_check_erased_buf()
/openbmc/u-boot/board/sunxi/
H A DREADME.nand23 bitflips. The U-Boot build system, when configured for the NAND (with
/openbmc/linux/drivers/mtd/nand/raw/brcmnand/
H A Dbrcmnand.c2216 int bitflips = 0; in brcmstb_nand_verify_erased_page() local
2243 bitflips = max(bitflips, ret); in brcmstb_nand_verify_erased_page()
2246 return bitflips; in brcmstb_nand_verify_erased_page()
/openbmc/linux/drivers/spi/
H A Dspi-mtk-snfi.c776 return snf->ecc_stats.failed ? -EBADMSG : snf->ecc_stats.bitflips; in mtk_snand_ecc_finish_io_req()
1009 snf->ecc_stats.bitflips = 0; in mtk_snand_read_page_cache()
/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-class-mtd167 bitflips occur. Note that if bitflip_threshold exceeds
/openbmc/linux/Documentation/driver-api/mtd/
H A Dnand_ecc.rst753 For correction not much gain could be obtained (as bitflips are rare). Then