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EDAC, ghes: Use BIT() macro

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... for improved readability. Also, add a local mask variable for the
same reason.

No functional changes.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Toshi Kani <toshi.kani@hpe.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Borislav Petkov 2018-05-12 14:32:43 +02:00
parent ad0d73b324
commit a0671c39dd
1 changed files with 13 additions and 14 deletions
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27
drivers/edac/ghes_edac.c
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@ -91,6 +91,7 @@ static void ghes_edac_dmidecode(const struct dmi_header *dh, void *arg)
struct dimm_info *dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms,
mci->n_layers,
dimm_fill->count, 0, 0);
u16 rdr_mask = BIT(7) | BIT(13);
if (entry->size == 0xffff) {
pr_info("Can't get DIMM%i size\n",
@ -99,22 +100,21 @@ static void ghes_edac_dmidecode(const struct dmi_header *dh, void *arg)
} else if (entry->size == 0x7fff) {
dimm->nr_pages = MiB_TO_PAGES(entry->extended_size);
} else {
if (entry->size & 1 << 15)
dimm->nr_pages = MiB_TO_PAGES((entry->size &
0x7fff) << 10);
if (entry->size & BIT(15))
dimm->nr_pages = MiB_TO_PAGES((entry->size & 0x7fff) << 10);
else
dimm->nr_pages = MiB_TO_PAGES(entry->size);
}
switch (entry->memory_type) {
case 0x12:
if (entry->type_detail & 1 << 13)
if (entry->type_detail & BIT(13))
dimm->mtype = MEM_RDDR;
else
dimm->mtype = MEM_DDR;
break;
case 0x13:
if (entry->type_detail & 1 << 13)
if (entry->type_detail & BIT(13))
dimm->mtype = MEM_RDDR2;
else
dimm->mtype = MEM_DDR2;
@ -123,30 +123,29 @@ static void ghes_edac_dmidecode(const struct dmi_header *dh, void *arg)
dimm->mtype = MEM_FB_DDR2;
break;
case 0x18:
if (entry->type_detail & 1 << 12)
if (entry->type_detail & BIT(12))
dimm->mtype = MEM_NVDIMM;
else if (entry->type_detail & 1 << 13)
else if (entry->type_detail & BIT(13))
dimm->mtype = MEM_RDDR3;
else
dimm->mtype = MEM_DDR3;
break;
case 0x1a:
if (entry->type_detail & 1 << 12)
if (entry->type_detail & BIT(12))
dimm->mtype = MEM_NVDIMM;
else if (entry->type_detail & 1 << 13)
else if (entry->type_detail & BIT(13))
dimm->mtype = MEM_RDDR4;
else
dimm->mtype = MEM_DDR4;
break;
default:
if (entry->type_detail & 1 << 6)
if (entry->type_detail & BIT(6))
dimm->mtype = MEM_RMBS;
else if ((entry->type_detail & ((1 << 7) | (1 << 13)))
== ((1 << 7) | (1 << 13)))
else if ((entry->type_detail & rdr_mask) == rdr_mask)
dimm->mtype = MEM_RDR;
else if (entry->type_detail & 1 << 7)
else if (entry->type_detail & BIT(7))
dimm->mtype = MEM_SDR;
else if (entry->type_detail & 1 << 9)
else if (entry->type_detail & BIT(9))
dimm->mtype = MEM_EDO;
else
dimm->mtype = MEM_UNKNOWN;