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From: Matthias Brugger <mbrugger@suse.com>
To: Robert Richter <rrichter@marvell.com>,
	Borislav Petkov <bp@alien8.de>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Tony Luck <tony.luck@intel.com>
Cc: James Morse <james.morse@arm.com>,
	Aristeu Rozanski <aris@redhat.com>,
	linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 03/11] EDAC/ghes: Remove local variable rdr_mask in ghes_edac_dmidecode()
Date: Mon, 6 Apr 2020 13:51:31 +0200	[thread overview]
Message-ID: <f5a5c29b-e72b-9fd0-382d-75290e10153d@suse.com> (raw)
In-Reply-To: <20200306151318.17422-4-rrichter@marvell.com>

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;
> 


  reply	other threads:[~2020-04-06 11:51 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-06 15:13 [PATCH 00/11] EDAC/ghes: Cleanup, rework and improvement of memory reporting Robert Richter
2020-03-06 15:13 ` [PATCH 01/11] EDAC/mc: Use int type for parameters of edac_mc_alloc() Robert Richter
2020-04-06 11:38   ` Matthias Brugger
2020-03-06 15:13 ` [PATCH 02/11] EDAC/ghes: Setup DIMM label from DMI and use it in error reports Robert Richter
2020-03-06 15:13 ` [PATCH 03/11] EDAC/ghes: Remove local variable rdr_mask in ghes_edac_dmidecode() Robert Richter
2020-04-06 11:51   ` Matthias Brugger [this message]
2020-03-06 15:13 ` [PATCH 04/11] EDAC/ghes: Remove unused members of struct ghes_edac_pvt, rename it to ghes_mci Robert Richter
2020-03-06 15:13 ` [PATCH 05/11] EDAC/ghes: Cleanup struct ghes_edac_dimm_fill, rename it to ghes_dimm_fill Robert Richter
2020-03-16  9:29   ` Borislav Petkov
2020-03-06 15:13 ` [PATCH 06/11] EDAC/ghes: Carve out MC device handling into separate functions Robert Richter
2020-03-16  9:31   ` Borislav Petkov
2020-03-16 12:12     ` Robert Richter
2020-03-06 15:13 ` [PATCH 07/11] EDAC/ghes: Have a separate code path for creating the fake MC Robert Richter
2020-03-06 15:13 ` [PATCH 08/11] EDAC/ghes: Carve out code into ghes_edac_register_{one,fake}() Robert Richter
2020-03-06 15:13 ` [PATCH 09/11] EDAC/ghes: Implement DIMM mapping table for SMBIOS handles Robert Richter
2020-03-16  9:40   ` Borislav Petkov
2020-03-06 15:13 ` [PATCH 10/11] EDAC/ghes: Create an own device for each mci Robert Richter
2020-03-16  9:45   ` Borislav Petkov
2020-03-06 15:13 ` [PATCH 11/11] EDAC/ghes: Create one memory controller per physical memory array Robert Richter
2020-03-16  9:51   ` Borislav Petkov
2020-03-17 16:34     ` John Garry
2020-03-17 22:14       ` Kani, Toshi
2020-03-17 22:50         ` Borislav Petkov
2020-03-17 22:53           ` Kani, Toshi
2020-03-18  0:10             ` Robert Richter
2020-03-24 11:32       ` Xiaofei Tan
2020-03-10 20:18 ` [PATCH 00/11] EDAC/ghes: Cleanup, rework and improvement of memory reporting Aristeu Rozanski

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