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Subject: Re: [PATCH] ath11k: Fix QCN9074 firmware boot on x86
From:   Kalle Valo <kvalo@kernel.org>
In-Reply-To: <20221022042728.43015-1-stachecki.tyler@gmail.com>
References: <20221022042728.43015-1-stachecki.tyler@gmail.com>
To:     "Tyler J. Stachecki" <stachecki.tyler@gmail.com>
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        "Tyler J. Stachecki" <stachecki.tyler@gmail.com>,
        Kalle Valo <kvalo@codeaurora.org>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        ath11k@lists.infradead.org (open list:QUALCOMM ATHEROS ATH11K WIRELESS
        DRIVER),
        linux-wireless@vger.kernel.org (open list:NETWORKING DRIVERS (WIRELESS)),
        netdev@vger.kernel.org (open list:NETWORKING DRIVERS),
        linux-kernel@vger.kernel.org (open list)
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        Cc:     unlisted-recipients:; (no To-header on input)"Tyler J. Stachecki" <stachecki.tyler@gmail.com>
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Message-ID: <166740930971.12704.12404773753216417373.kvalo@kernel.org>
Date:   Wed,  2 Nov 2022 17:15:13 +0000 (UTC)
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"Tyler J. Stachecki" <stachecki.tyler@gmail.com> wrote:

> The 2.7.0 series of QCN9074's firmware requests 5 segments
> of memory instead of 3 (as in the 2.5.0 series).
> 
> The first segment (11M) is too large to be kalloc'd in one
> go on x86 and requires piecemeal 1MB allocations, as was
> the case with the prior public firmware (2.5.0, 15M).
> 
> Since f6f92968e1e5, ath11k will break the memory requests,
> but only if there were fewer than 3 segments requested by
> the firmware. It seems that 5 segments works fine and
> allows QCN9074 to boot on x86 with firmware 2.7.0, so
> change things accordingly.
> 
> Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1
> Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.5.0.1-01208-QCAHKSWPL_SILICONZ-1
> Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.16
> 
> Signed-off-by: Tyler J. Stachecki <stachecki.tyler@gmail.com>
> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>

Patch applied to ath-current branch of ath.git, thanks.

3a89b6dec992 wifi: ath11k: Fix QCN9074 firmware boot on x86

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20221022042728.43015-1-stachecki.tyler@gmail.com/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches