From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-184.mta0.migadu.com (out-184.mta0.migadu.com [91.218.175.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 35C6F34FF7A for ; Fri, 6 Mar 2026 12:48:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.184 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772801317; cv=none; b=QYbwLG3Hdln009DRbGyRSiw19BAQ88OmaLXo7chh6w5duZDDrmTPMtjz7kh883gaypHCfi+XyD2TeVEwdnYCkFJJSANkJRWkwHC9STTCnWyCvjGSwerFQxg1DuIFWzB1WcdepRk84whL0i0Jk/b67QszqKw675eUzGxxRBIeIog= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772801317; c=relaxed/simple; bh=RhjhItShQmA4PB9x29AC0pD31I8aw8/RrGGJ/iAOhWs=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=DD8a82biBzv0zRUUbBiHHc9ZVW0/6KwsbnN8Tomg1f/mKIU3j+u3jKyEOGBjfHWeN3cmQDN8YE2tBSZbc9WfkevD/raIP7W/h3qtiN8p5Rxf6uXpGvlf0cPNwDsmTMY9UIRTpN/d4Q53wd5ei5ENxZgvUGPwcEesPAJrsCWZviY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=m97hEnGQ; arc=none smtp.client-ip=91.218.175.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="m97hEnGQ" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1772801311; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=wQ8cgLGAdaT9DFp+mXWrydxUg79fT6xPQFKjqSs2RZ0=; b=m97hEnGQNY2xcp7pxzCWkfPiSp2w4tNO9Mpiy0d6uWotyudUfdaHm7L5yIc3TBRHGycjh+ eeWU5NdyMiILZaigxLJfNJ6QqlZRQ4VXWdVqr3/1e2PU+J6bCc/aozK8WzTQ4lTIQt5DOA fvDeI7qsZWqRUfEHnFK50Ct3OBs9U7A= From: Shawn Lin To: Ulf Hansson Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Shawn Lin Subject: [PATCH 0/2] Validate and clean up UHS/DDR/HS200 timing checks Date: Fri, 6 Mar 2026 20:48:10 +0800 Message-ID: <20260306124812.332098-1-shawn.lin@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT This series adds validation for UHS/DDR/HS200 timing modes when the host only supports 1-bit bus width which also fixes a real performance drop issue due to incorrect hs200 mode switch code. And then cleans up the check in mmc_host_can_uhs(). Luke Wang (1): mmc: core: Validate UHS/DDR/HS200 timing selection for 1-bit bus width Shawn Lin (1): mmc: core: Remove checking MMC_CAP_4_BIT_DATA from mmc_host_can_uhs() drivers/mmc/core/host.c | 9 +++++++++ drivers/mmc/core/host.h | 6 +----- 2 files changed, 10 insertions(+), 5 deletions(-) -- 2.7.4