diff options
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/i3000_edac.c | 50 |
1 files changed, 35 insertions, 15 deletions
diff --git a/drivers/edac/i3000_edac.c b/drivers/edac/i3000_edac.c index 3ccf3b5eecc..62d961e6897 100644 --- a/drivers/edac/i3000_edac.c +++ b/drivers/edac/i3000_edac.c @@ -42,11 +42,23 @@ * 0 Error channel 0/1 */ #define I3000_DEAP_GRAIN (1 << 7) -#define I3000_DEAP_PFN(edeap, deap) ((((edeap) & 1) << (32 - PAGE_SHIFT)) \ - | ((deap) >> PAGE_SHIFT)) -#define I3000_DEAP_OFFSET(deap) ((deap) & ~(I3000_DEAP_GRAIN-1) & \ - ~PAGE_MASK) -#define I3000_DEAP_CHANNEL(deap) ((deap) & 1) + +static inline unsigned long deap_pfn(u8 edeap, u32 deap) +{ + deap >>= PAGE_SHIFT; + deap |= (edeap & 1) << (32 - PAGE_SHIFT); + return deap; +} + +static inline unsigned long deap_offset(u32 deap) +{ + return deap & ~(I3000_DEAP_GRAIN - 1) & ~PAGE_MASK; +} + +static inline int deap_channel(u32 deap) +{ + return deap & 1; +} #define I3000_DERRSYN 0x5c /* DRAM Error Syndrome (8b) * @@ -116,8 +128,16 @@ * Others: reserved */ #define I3000_C1DRA 0x188 /* Channel 1 DRAM Rank Attribute (8b x 2) */ -#define ODD_RANK_ATTRIB(dra) (((dra) & 0x70) >> 4) -#define EVEN_RANK_ATTRIB(dra) ((dra) & 0x07) + +static inline unsigned char odd_rank_attrib(unsigned char dra) +{ + return (dra & 0x70) >> 4; +} + +static inline unsigned char even_rank_attrib(unsigned char dra) +{ + return dra & 0x07; +} #define I3000_C0DRC0 0x120 /* DRAM Controller Mode 0 (32b) * @@ -206,8 +226,8 @@ static int i3000_process_error_info(struct mem_ctl_info *mci, struct i3000_error_info *info, int handle_errors) { - int row, multi_chan; - int pfn, offset, channel; + int row, multi_chan, channel; + unsigned long pfn, offset; multi_chan = mci->csrows[0].nr_channels - 1; @@ -222,9 +242,9 @@ static int i3000_process_error_info(struct mem_ctl_info *mci, info->errsts = info->errsts2; } - pfn = I3000_DEAP_PFN(info->edeap, info->deap); - offset = I3000_DEAP_OFFSET(info->deap); - channel = I3000_DEAP_CHANNEL(info->deap); + pfn = deap_pfn(info->edeap, info->deap); + offset = deap_offset(info->deap); + channel = deap_channel(info->deap); row = edac_mc_find_csrow_by_page(mci, pfn); @@ -258,9 +278,9 @@ static int i3000_is_interleaved(const unsigned char *c0dra, * we're not interleaved. */ for (i = 0; i < I3000_RANKS_PER_CHANNEL / 2; i++) - if (ODD_RANK_ATTRIB(c0dra[i]) != ODD_RANK_ATTRIB(c1dra[i]) || - EVEN_RANK_ATTRIB(c0dra[i]) != - EVEN_RANK_ATTRIB(c1dra[i])) + if (odd_rank_attrib(c0dra[i]) != odd_rank_attrib(c1dra[i]) || + even_rank_attrib(c0dra[i]) != + even_rank_attrib(c1dra[i])) return 0; /* |