Re: [PATCH] firmware: dmi: Add info message for number of populated and total memory slots
From: Jean DELVARE
Date: Tue May 07 2024 - 04:16:24 EST
Hi Heiner,
On Tue, 2024-03-05 at 21:55 +0100, Heiner Kallweit wrote:
> As part of adding support for calling i2c_register_spd() on muxed SMBUS
> segments the same message has been removed from i2c_register_spd().
> However users may find it useful, therefore reintroduce it as part of
> the DMI scan code.
>
> Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
> ---
> drivers/firmware/dmi_scan.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
> index 015c95a82..2c682b580 100644
> --- a/drivers/firmware/dmi_scan.c
> +++ b/drivers/firmware/dmi_scan.c
> @@ -42,6 +42,7 @@ static struct dmi_memdev_info {
> u8 type; /* DDR2, DDR3, DDR4 etc */
> } *dmi_memdev;
> static int dmi_memdev_nr;
> +static int dmi_memdev_populated_nr;
>
> static const char * __init dmi_string_nosave(const struct dmi_header *dm, u8 s)
> {
> @@ -448,6 +449,9 @@ static void __init save_mem_devices(const struct dmi_header *dm, void *v)
> else
> bytes = (u64)get_unaligned((u32 *)&d[0x1C]) << 20;
>
> + if (bytes)
> + dmi_memdev_populated_nr++;
> +
> dmi_memdev[nr].size = bytes;
> nr++;
> }
> @@ -824,6 +828,8 @@ void __init dmi_setup(void)
> return;
>
> dmi_memdev_walk();
> + pr_info("DMI: Memory slots populated: %d/%d\n",
> + dmi_memdev_populated_nr, dmi_memdev_nr);
> dump_stack_set_arch_desc("%s", dmi_ids_string);
> }
>
Applied, thanks.
--
Jean Delvare
SUSE L3 Support