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SubjectRe: [PATCH v4 15/16] driver/edac: enable Hygon support to AMD64 EDAC driver
On Mon, Aug 20, 2018 at 12:14:58AM +0800, Pu Wen wrote:
> To make AMD64 EDAC and MCE drivers working on Hygon platforms, add
> vendor checking for Hygon by using the code path of AMD 0x17. Add a
> vendor field to struct amd64_pvt and initialize it in per_family_init
> for vendor checking.
>
> Also Hygon PCI Device ID DF_F0/DF_F6(0x1460/0x1466) of Host bridges
> is needed for edac driver.
>
> Signed-off-by: Pu Wen <puwen@hygon.cn>
> ---
> drivers/edac/amd64_edac.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++-
> drivers/edac/amd64_edac.h | 5 +++++
> drivers/edac/mce_amd.c | 15 +++++++++++++-
> 3 files changed, 70 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
> index 18aeabb..3cefb25 100644
> --- a/drivers/edac/amd64_edac.c
> +++ b/drivers/edac/amd64_edac.c
> @@ -211,7 +211,8 @@ static int __set_scrub_rate(struct amd64_pvt *pvt, u32 new_bw, u32 min_rate)
>
> scrubval = scrubrates[i].scrubval;
>
> - if (pvt->fam == 0x17) {
> + if (pvt->fam == 0x17 ||
> + (pvt->vendor == X86_VENDOR_HYGON && pvt->fam == 0x18)) {

Didn't we say that AMD won't do family 0x18 so you don't need the vendor check?

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.
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