diff options
| author | Mark Brown <broonie@kernel.org> | 2016-03-18 09:45:54 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-03-18 09:45:54 +0000 |
| commit | ddbcfcba5fdc56f30e4d02c3bac8cf965502cece (patch) | |
| tree | 235f05605003ed8dc119ead980cf86157eb695e8 /arch/mips/mm/sc-mips.c | |
| parent | dfabba9c3737ce7a2574dcf58940f038e536e233 (diff) | |
| parent | 62e21959dc6f25c5fce0c1a0934e4a9d982bf99b (diff) | |
Merge tag 'v4.4.5' into linux-linaro-lsk-v4.4
This is the 4.4.5 stable release
# gpg: Signature made Wed 09 Mar 2016 23:36:03 GMT using RSA key ID 6092693E
# gpg: Good signature from "Greg Kroah-Hartman (Linux kernel stable release signing key) <greg@kroah.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 647F 2865 4894 E3BD 4571 99BE 38DB BDC8 6092 693E
Diffstat (limited to 'arch/mips/mm/sc-mips.c')
| -rw-r--r-- | arch/mips/mm/sc-mips.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c index 3bd0597d9c3d..ddb8154610cc 100644 --- a/arch/mips/mm/sc-mips.c +++ b/arch/mips/mm/sc-mips.c @@ -164,11 +164,13 @@ static int __init mips_sc_probe_cm3(void) sets = cfg & CM_GCR_L2_CONFIG_SET_SIZE_MSK; sets >>= CM_GCR_L2_CONFIG_SET_SIZE_SHF; - c->scache.sets = 64 << sets; + if (sets) + c->scache.sets = 64 << sets; line_sz = cfg & CM_GCR_L2_CONFIG_LINE_SIZE_MSK; line_sz >>= CM_GCR_L2_CONFIG_LINE_SIZE_SHF; - c->scache.linesz = 2 << line_sz; + if (line_sz) + c->scache.linesz = 2 << line_sz; assoc = cfg & CM_GCR_L2_CONFIG_ASSOC_MSK; assoc >>= CM_GCR_L2_CONFIG_ASSOC_SHF; @@ -176,9 +178,12 @@ static int __init mips_sc_probe_cm3(void) c->scache.waysize = c->scache.sets * c->scache.linesz; c->scache.waybit = __ffs(c->scache.waysize); - c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT; + if (c->scache.linesz) { + c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT; + return 1; + } - return 1; + return 0; } void __weak platform_early_l2_init(void) |