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SubjectRe: [PATCH 03/11] EDAC/ghes: Remove local variable rdr_mask in ghes_edac_dmidecode()
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On 06/03/2020 16:13, Robert Richter wrote:
> The local variable rdr_mask serves as a static constant here. It hides
> what the code is doing. Remove it and replace it with the actual logic
> that checks some bits.
>
> Signed-off-by: Robert Richter <rrichter@marvell.com>

Reviewed-by: Matthias Brugger <mbrugger@suse.com>

> ---
> drivers/edac/ghes_edac.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/edac/ghes_edac.c b/drivers/edac/ghes_edac.c
> index 07fa3867cba1..fce53893731a 100644
> --- a/drivers/edac/ghes_edac.c
> +++ b/drivers/edac/ghes_edac.c
> @@ -123,7 +123,6 @@ static void ghes_edac_dmidecode(const struct dmi_header *dh, void *arg)
> if (dh->type == DMI_ENTRY_MEM_DEVICE) {
> struct memdev_dmi_entry *entry = (struct memdev_dmi_entry *)dh;
> struct dimm_info *dimm = edac_get_dimm(mci, 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",
> @@ -173,7 +172,8 @@ static void ghes_edac_dmidecode(const struct dmi_header *dh, void *arg)
> default:
> if (entry->type_detail & BIT(6))
> dimm->mtype = MEM_RMBS;
> - else if ((entry->type_detail & rdr_mask) == rdr_mask)
> + else if ((entry->type_detail & BIT(7)) &&
> + (entry->type_detail & BIT(13)))
> dimm->mtype = MEM_RDR;
> else if (entry->type_detail & BIT(7))
> dimm->mtype = MEM_SDR;
>

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