From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f49.google.com (mail-ot1-f49.google.com [209.85.210.49]) (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 B1AADD531 for ; Mon, 6 Oct 2025 01:37:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.49 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759714636; cv=none; b=pNjtU0hxP6H+hqfhTPJvgnVnMpj2xQw0uGElZeIfHonATEE/D1peoePruI5vE0h4N7nAT0iygW4CO/u1xz0c7NYpVxH/TSWPqvKhN7jPEZUOs4ekJZwksljK7Qza2B50ORiEluY4UjhJ8swVF4TL2mHbib86GNS7TkuT0xKZNvU= 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=209.85.210.49 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-f49.google.com with SMTP id 46e09a7af769-7ac2a60b911so731173a34.0 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=gtWn1QmtwLtQc6ClvVe4yN7f2H3VmL3klhUFuBTQUwlCEFzegzEH8Omk6PI5emVNCh yasMwGjNUVEvdChpn+azb1m25R6MCssAOrR3mMF+h06Oc/KLoHWPFdFLMuwWq9ycK049 XU/7PSvkykFdeAYiLkWTEsyOjroFXdDLvK9Mzk7afbw+U0TGmaBe4HaV8uykF6/IYefZ tTMznjiFVL0kK6oiZKwUAcc1UeCDqScILnPXsXso2N6w28+9xyDt3S2fnGTie1sZIGDi 1BGwzsUWDxXc5ITnKAXGaZ6lUc5KlxICzx1lUzt9hII3U59pdxE4QspSsjiHmIQzjrZ6 cqZA== X-Forwarded-Encrypted: i=1; AJvYcCVEuUAIHsAbrjt54cQCglYbkKpu+y/2QkHN4tjwmt2xYyHYUdM1hvZ6ntQH3f83mVCIePMgnz04jER0Br8=@vger.kernel.org X-Gm-Message-State: AOJu0YwQX7ErTZE6tuWHVAbJqNfH1/EXfXkXDcQeI4KKFng1RcC9PXLt YG2l90bwcR6J5ZDvWtkrrSRNvtuSGgrH+DzPAj/kgRTSoVBY98FOC05c X-Gm-Gg: ASbGnct4T62nSMgAdzxJ1DvPcGVwkRaQyHVhg7pAmwjQglzs5gcXkquhTmz4H8NVxI1 vQTPJIdTU/pG/uLmlqDZmQWiYsjuA+YI33Jy1ENOZADFc7ltkKjBji23FC9D4ar+BqImIqk5s44 XtnBj5lxag9reCRPluMkzKHbkHIDGWq+Rk9m4rSj6L2TCdyrs2Co5IXpoMvieo2YE09xJeAOxkY CyC3LX+1gTD7UJnrWJ1IFnLrRqSsXILCf8s6BCMNxusJfXtulC5gDluwMj28a+ExnxN2mV1Y73S Vr2dIy7jdjRsRAwi1VqHW0XZnHULlo7DFTapJx8IwpgGg/fkLtcPrLSZIUvb1XvGHxPyMiJtld6 dXauM+OTMrgfgfuCsHHwdiexj+cY26plBMZj28EUfqhh1OY/CTmdBQZe1vltDkOO0NXhhVHgveN yNvZG+jyA= 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-kernel@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