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| author | Dave Airlie <airlied@redhat.com> | 2018-07-04 10:27:12 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-07-04 10:27:12 +1000 |
| commit | f29135ee4e0d4e01911ed569f731bfdb841cea6d (patch) | |
| tree | e72d49a2f677dd069c3a673522cf785548148f71 /drivers/mtd/nand/raw/nand_macronix.c | |
| parent | eab976693153b9854bfa83d131374748f6ca4280 (diff) | |
| parent | 021c91791a5e7e85c567452f1be3e4c2c6cb6063 (diff) | |
| download | kernel_replicant_linux-f29135ee4e0d4e01911ed569f731bfdb841cea6d.tar.gz kernel_replicant_linux-f29135ee4e0d4e01911ed569f731bfdb841cea6d.tar.bz2 kernel_replicant_linux-f29135ee4e0d4e01911ed569f731bfdb841cea6d.zip | |
Merge v4.18-rc3 into drm-next
Two requests have come in for a backmerge,
and I've got some pull reqs on rc2, so this
just makes sense.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/mtd/nand/raw/nand_macronix.c')
| -rw-r--r-- | drivers/mtd/nand/raw/nand_macronix.c | 48 |
1 files changed, 36 insertions, 12 deletions
diff --git a/drivers/mtd/nand/raw/nand_macronix.c b/drivers/mtd/nand/raw/nand_macronix.c index 7ed1f87e742a..49c546c97c6f 100644 --- a/drivers/mtd/nand/raw/nand_macronix.c +++ b/drivers/mtd/nand/raw/nand_macronix.c @@ -17,23 +17,47 @@ #include <linux/mtd/rawnand.h> +/* + * Macronix AC series does not support using SET/GET_FEATURES to change + * the timings unlike what is declared in the parameter page. Unflag + * this feature to avoid unnecessary downturns. + */ +static void macronix_nand_fix_broken_get_timings(struct nand_chip *chip) +{ + unsigned int i; + static const char * const broken_get_timings[] = { + "MX30LF1G18AC", + "MX30LF1G28AC", + "MX30LF2G18AC", + "MX30LF2G28AC", + "MX30LF4G18AC", + "MX30LF4G28AC", + "MX60LF8G18AC", + }; + + if (!chip->parameters.supports_set_get_features) + return; + + for (i = 0; i < ARRAY_SIZE(broken_get_timings); i++) { + if (!strcmp(broken_get_timings[i], chip->parameters.model)) + break; + } + + if (i == ARRAY_SIZE(broken_get_timings)) + return; + + bitmap_clear(chip->parameters.get_feature_list, + ONFI_FEATURE_ADDR_TIMING_MODE, 1); + bitmap_clear(chip->parameters.set_feature_list, + ONFI_FEATURE_ADDR_TIMING_MODE, 1); +} + static int macronix_nand_init(struct nand_chip *chip) { if (nand_is_slc(chip)) chip->bbt_options |= NAND_BBT_SCAN2NDPAGE; - /* - * MX30LF2G18AC chip does not support using SET/GET_FEATURES to change - * the timings unlike what is declared in the parameter page. Unflag - * this feature to avoid unnecessary downturns. - */ - if (chip->parameters.supports_set_get_features && - !strcmp("MX30LF2G18AC", chip->parameters.model)) { - bitmap_clear(chip->parameters.get_feature_list, - ONFI_FEATURE_ADDR_TIMING_MODE, 1); - bitmap_clear(chip->parameters.set_feature_list, - ONFI_FEATURE_ADDR_TIMING_MODE, 1); - } + macronix_nand_fix_broken_get_timings(chip); return 0; } |