linux-kernel - Re: [PATCH AUTOSEL 5.10 12/15] platform/x86: ISST: Increase range of valid mail box commands

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Date:   Mon, 20 Mar 2023 14:50:28 +0100
From:   Pavel Machek <pavel@....cz>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>, markgross@...nel.org,
        platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 5.10 12/15] platform/x86: ISST: Increase range of
 valid mail box commands

Hi!

> From: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
> 
> [ Upstream commit 95ecf90158522269749f1b7ce98b1eed66ca087b ]
> 
> A new command CONFIG_TDP_GET_RATIO_INFO is added, with sub command type
> of 0x0C. The previous range of valid sub commands was from 0x00 to 0x0B.
> Change the valid range from 0x00 to 0x0C.

Not sure why this was selected for stable.

We don't have CONFIG_TDP_GET_RATIO_INFO in 5.10, so we should not have
this.

Best regards,
								Pavel
								
> +++ b/drivers/platform/x86/intel_speed_select_if/isst_if_common.c
> @@ -47,7 +47,7 @@ struct isst_cmd_set_req_type {
>  
>  static const struct isst_valid_cmd_ranges isst_valid_cmds[] = {
>  	{0xD0, 0x00, 0x03},
> -	{0x7F, 0x00, 0x0B},
> +	{0x7F, 0x00, 0x0C},
>  	{0x7F, 0x10, 0x12},
>  	{0x7F, 0x20, 0x23},
>  	{0x94, 0x03, 0x03},

-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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