From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9F1A2C4332F for ; Tue, 1 Nov 2022 14:46:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230321AbiKAOqa (ORCPT ); Tue, 1 Nov 2022 10:46:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229496AbiKAOq3 (ORCPT ); Tue, 1 Nov 2022 10:46:29 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C31BE13CEC; Tue, 1 Nov 2022 07:46:28 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 5F854615E8; Tue, 1 Nov 2022 14:46:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 29A6BC433D6; Tue, 1 Nov 2022 14:46:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1667313987; bh=mRINjiRnOBOfJq5iqp3pBxJc+AyDgUafRTpJ4I4NiSs=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=RSXbWW3paXaR2HPrTjmIaRk/tUgJLKZDePR4ioQKd4K6iiIO6BK8hax1OwbNUQzHR WEzqQPCSTrbwm7kh2aPkI0/e2SjTpS0nKQfOkchKjCScUg6TM+nIaKC5l6yQqF/5pJ A3LXEjeeKWJr8K6yKd8DJLqsSllRWGtc6KJAt9g3TVgslR+3gp7XC7nDJgGTMVE8Jr fgtwTNltOt6C81CdwrJbl7ew5wekQ2AkcF8uZIjCu2uHa3+l4/TZg9MWpPvjHo39CH cztGWNbVRT184KoZ2dcnMgOZ4+KGwR4kXLf5nIB67KFzcTij3GDeqS8N0chnmEwYVV jebF+Q2ERWRuA== From: Kalle Valo To: "Tyler J. Stachecki" Cc: "David S. Miller" , Jakub Kicinski , 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) Subject: Re: [PATCH] ath11k: Fix QCN9074 firmware boot on x86 References: <20221022042728.43015-1-stachecki.tyler@gmail.com> Date: Tue, 01 Nov 2022 16:46:22 +0200 In-Reply-To: <20221022042728.43015-1-stachecki.tyler@gmail.com> (Tyler J. Stachecki's message of "Sat, 22 Oct 2022 00:27:28 -0400") Message-ID: <87y1sug2bl.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org "Tyler J. Stachecki" writes: > 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. > > Signed-off-by: Tyler J. Stachecki Ouch, that's pretty bad. Thanks for fixing this! Does the 2.5.0.1 firmware branch still work with this patch? It's important that we don't break the old firmware. -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches