From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f46.google.com (mail-ot1-f46.google.com [209.85.210.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BBDE61E487 for ; Mon, 6 Oct 2025 01:37:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.46 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759714636; cv=none; b=ufipPp5hE+5ou3Ygw2DNQG0AZ1QyItjNl9r1QZwQgPf0uyfqjQZFKPcfI+H/RKvIJ6SqqcU9Es0ev/7pyUoAXJWhG8brD7rT5tj6zXZCppG4XVS6aLCEmWqQWjsJcRAamNX/M7JTu9IdQ9rslyg2tzDbAH86vaxATgSpcfsO+p0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759714636; c=relaxed/simple; bh=7XIF44/5gGwRTEbaMrNAG2gZYq540DK47LRgS+DB1rk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=lkRJfkIzuC/zjwZFalJ8+DCDOzXuf06tNV2OxDje0imqQ+39HRNM04py6jn2VtK3BSiZyDmMS5Zv4nozb8X0j466+oTsaCskVq1voIAVnr9J3dSFOyOqMuFzjN9fZUOr42kSxZ3JIH5mX5z7lOD8KqBKn8LSnd2dSh9sJ4+5q70= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=k6S3rE6A; arc=none smtp.client-ip=209.85.210.46 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="k6S3rE6A" Received: by mail-ot1-f46.google.com with SMTP id 46e09a7af769-7ad739e4ac0so710797a34.3 for ; Sun, 05 Oct 2025 18:37:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1759714634; x=1760319434; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=HOD10Lgwrn8AWAzdnD6nabWHSwPb9bCgHWM6nHQ6wYk=; b=k6S3rE6AQJhd3JOyje/8TttYLxO/QrvfgsaFP03hYCiSutaLWrki9pI/pYNw9y+oxz 4N6pV+LH3roXac+WUn5M37pVTJJ1RieVuPA3ETY7FPfqjS9oEx0xpOicJJuicqa9U4JY NzpZBEZF3xamASnDGe3yTDmIzLxIEz305e5cQv98tVAUVtj6WDbWW36hcEbl90jMWoty zAHqH7p7mwXxNA8equ/YePulwLK+q192tg9we6ngprcs8d5RUgtEP2DnfHvMxZ34k5Xy CYrag7qZF1UnhI27eLs3k1suzuYHoNsB/vYJx+qFH/05ioTpNEWG3Y2MTlKG0Rq0bF0M pIYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759714634; x=1760319434; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=HOD10Lgwrn8AWAzdnD6nabWHSwPb9bCgHWM6nHQ6wYk=; b=ataTP7PKfEL59VHhK0SatnvEsI1cW7BiHD1BjzVGy5W0uUC2WUuTW9r8PaG3QOH5Mk kBNZEjuNW6dEuEwgVfXQttpC3gdMNJPJ61wV06HVoNg7IUiHlF/82RtanUipXHiDpyvy Jvwv20BPnxqfmNM+dPzxIA9A0ZWWLEhoE6sjE3qOd2jKNyEXOC/uPWY+E08EmOjfZHvS dcu2Hyx/fFcYAmNd6Dldc8FvWmudN90L2aO38w+K2aSmzjVZDRiVqsZUu1PF4z3ZYzJS 96I2tNpeI52J5dp3CsJlyeH1wfm9JQ8aTSvzMHHD9LTxFUbv349k9wmaCanDKyRZJwbK TO4w== X-Gm-Message-State: AOJu0Yzx8zS94xvaITgGPCMsxEl5ATNsho2SVQsOjGi1s8Kl7n4kQXkx oMzPROTv/R7PCuA8JB3ybKqaEDO8iY7MxX4nn+rv4x9eQcqYxxyiINqH X-Gm-Gg: ASbGncvTLxp9PvIfgFUsIucihI9rnf9R2bIpHDQ19Sy4WJ8h4MTuAGMrc5s1eosh+0b gwp88I3FYuzAm1xtSesF7mWnvnFEaibwniMRGpGEFHcklqCic3aaeUtJ2GeJI7a4AIlE9rm7WeL AX4MAJLO11if+SqkSTeLX93TqPkjOfDusEmJS6xgc38gkuANxXj6vOpMnYfLDv0Unf91ifwBf5Y R0S+Po9NW7eFasVCfO6pccNc2kLTOmV6+rFO2GF6WgMj9YniQFsyX1V91vwNvH70j1ImuLW7dFY Ffy5p20rD/NeHpzIbxgpPPmUk7XxUgKDWutrp+QyInYXMfawB0gT9dp6i9yHS+aHU2WXmh6hG1g Hru3QkRBNpVjaaaeKQWPAYsh8kpqXUbW5O9Y7rMxRUG31zQomPilBV+8Y3RwSRJZvby/b52YnGs NDInow9y0= X-Google-Smtp-Source: AGHT+IGr16eJeablMekeTSudBMKT8PHWiuWpSA3M2BNrateERVo4Ff/ryPB4wByz57Z3USJjxjUSTg== X-Received: by 2002:a05:6830:4108:b0:746:f391:9d4e with SMTP id 46e09a7af769-7bf7754a120mr2937393a34.6.1759714633799; Sun, 05 Oct 2025 18:37:13 -0700 (PDT) Received: from Michael-ArchMiniPC.shack.lan ([75.167.107.197]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7bf3fdcfb69sm3462870a34.13.2025.10.05.18.37.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 05 Oct 2025 18:37:12 -0700 (PDT) From: Michael Garofalo X-Google-Original-From: Michael Garofalo To: adrian.hunter@intel.com, ulf.hansson@linaro.org Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Michael Garofalo Subject: [PATCH 0/2] mmc: sdhci: add quirk to disable bounce buffer Date: Sun, 5 Oct 2025 18:36:58 -0700 Message-ID: <20251006013700.2272166-1-officialTechflashYT@gmail.com> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This patch series adds a new bit to quirks2 for disabling the bounce buffer. On some hardware, this is required for proper operation. An example of such hardware is the SDHCI controller of the Nintendo Wii's "Hollywood" chipset. Without this patch, the onboard Broadcom 4318 Wi-Fi fails to connect to any networks. Patch 1 introduces the new quirk bit. Patch 2 applies it to sdhci-of-hlwd. Michael Garofalo (2): mmc: sdhci: add quirk to disable the bounce buffer mmc: sdhci-of-hlwd: disable bounce buffer usage drivers/mmc/host/sdhci-of-hlwd.c | 1 + drivers/mmc/host/sdhci.c | 8 +++++--- drivers/mmc/host/sdhci.h | 4 ++++ 3 files changed, 10 insertions(+), 3 deletions(-) -- 2.51.0