From nobody Mon Sep 16 19:26:57 2024 Received: from mail-pl1-f169.google.com (mail-pl1-f169.google.com [209.85.214.169]) (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 9F08C2AF00 for ; Fri, 26 Jul 2024 18:58:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.169 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722020312; cv=none; b=fv+K9jWiJmcOdt3EADD0mp+lUjNDNQJzI/iTVcOYG+IhjtARXX4rPabf0o91SyktRlyK/j1kxWPwSYFyu37lY0P8TjtUiuQ1C6mU70tFczPGvtaMnIb2d5dprDG2YaODwy3m9PZnXFllooc60ZfmFho9EmGtixnj74B2/AcomWU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722020312; c=relaxed/simple; bh=kz2Unh4yY0gYDKwCxg+Jv0iD4wGw/CpddqrQ3La+fic=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=SK70Z+UWiY83HimNGWeFSA+9DCS3Ps++hyetdrtefiVRzSt4vDABvpXWxE+Z/QXUJvd1k+l+yTrs5hbSqjSADV+wSVNBlHDqlRD4DQe1D4aaSJeF4/dZYI9jUg6Q1zshCXO7r8EC+pI3nbSV5u2QAH1/LF3xzpWwVYkRhLLACiI= 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=Ekruv49D; arc=none smtp.client-ip=209.85.214.169 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="Ekruv49D" Received: by mail-pl1-f169.google.com with SMTP id d9443c01a7336-1fd9e70b592so8178475ad.3 for ; Fri, 26 Jul 2024 11:58:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1722020310; x=1722625110; 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=L6yw1xHD9zAEjVMpNg+C0xVl0GDWtgqUwsdpTjnl5Jo=; b=Ekruv49DEyFfIDk8C0T0pXvaqe4AAnLscDhJWRiD/3f0wkidjZJEQH6vqNUrKpwBDW LGci9fJmEvIksCTwQzecKhxDKivDa7VkaTIOP7NKHW+Q3eKhYftVUMzF8wb7poFFeRCn Gz18Z+/jUil5F7Ddji3SkuOhDaJol9ZyuVY8s0I4P+DP40cku+7k9VxqwBKQQYEBSFEW pmlCrgemSat64PMW9XKKhHNgZz7gClragSiJqTEiiejIFfKf8s3nRfcn9n5idb3E2jvq 1tXBCV+GqoVmQxI8faSyU8tb9icRrY/NE0xbGULuipmhvOZjywltzJt8K9ysLOsb/BEm wqFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722020310; x=1722625110; 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=L6yw1xHD9zAEjVMpNg+C0xVl0GDWtgqUwsdpTjnl5Jo=; b=S+RsGZfQl7KFGzs+7w26DrSgsHOqsPJp96PRh9Gk79c66+flgHfQKGXbQzrgNeg02V RPMRkij/7mcNcSW9ePN6q6xDzEEySL0cOyVfYJwl/sERC3TV5392Tv/v6J1NK8OXqz8Z q4KQU+o7yOmbjvylywu6sMgeNlMJrTjGq7oH/UyiStMP5EQh0FBWXlBmcwUgqeiikkip Nhed0xk6R/DDqIEVg+0/ZlcuMtt8uWpoVFIE9H/nCAG0+lgTwRWxyyE94Y/6Y9OYQUWQ 6i7Mp82nfLRe2TQOmYOdrIYzSN5HcvUUSBRTo00O94CKnKu3TQqK4s6rzDNAd4RD9UUw 1sBw== X-Forwarded-Encrypted: i=1; AJvYcCUCtuEgCoznYTTL2H6HUT3nqM7hUWnG8luwwkYVa/tqRsKDetWA7FRpgZnsRfIx4NjiN5gPljyGxUF+NMP+/zDPHIko2SyP4S85LeWr X-Gm-Message-State: AOJu0Yz0eentZdaElQpafMMtAG9qLvhJy3n8DZadDR0TYsDm7eRMu9ic 4AFaPn13WnGLs4XZfEUw+WmVEwYsMMuxAsgrI5S3A4ECcJIlIhOd X-Google-Smtp-Source: AGHT+IEYn3QbUlB6VurnfiUMl6eYXmGcorf3BPimFXSqrqw+9CtH5v7QARH5+IR7lXBiGnEzdi09Ug== X-Received: by 2002:a17:902:fa8b:b0:1fd:a7a7:20b7 with SMTP id d9443c01a7336-1ff047d8f85mr5766985ad.30.1722020309790; Fri, 26 Jul 2024 11:58:29 -0700 (PDT) Received: from localhost ([2600:1700:38c1:1d7f:f66d:4ff:fe3c:3ceb]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fed7ee1168sm36416705ad.167.2024.07.26.11.58.28 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Jul 2024 11:58:29 -0700 (PDT) From: Brian Norris To: linux-mtd@lists.infradead.org Cc: Brian Norris , Michael Walle , Miquel Raynal , Pratyush Yadav , Richard Weinberger , Tudor Ambarus , Vignesh Raghavendra , linux-kernel@vger.kernel.org Subject: [PATCH] mtd: spi-nor: micron-st: Add n25q064a WP support Date: Fri, 26 Jul 2024 11:58:18 -0700 Message-ID: <20240726185825.142733-1-computersforpeace@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" These flash chips are used on Google / TP-Link / ASUS OnHub devices, and OnHub devices are write-protected by default (same as any other ChromeOS/Chromebook system). I've referred to datasheets, and tested on OnHub devices. Signed-off-by: Brian Norris Reviewed-by: Michael Walle --- drivers/mtd/spi-nor/micron-st.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-s= t.c index 3c6499fdb712..e6bab2d00c92 100644 --- a/drivers/mtd/spi-nor/micron-st.c +++ b/drivers/mtd/spi-nor/micron-st.c @@ -436,6 +436,8 @@ static const struct flash_info st_nor_parts[] =3D { .id =3D SNOR_ID(0x20, 0xbb, 0x17), .name =3D "n25q064a", .size =3D SZ_8M, + .flags =3D SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_4BIT_BP | + SPI_NOR_BP3_SR_BIT6, .no_sfdp_flags =3D SECT_4K | SPI_NOR_QUAD_READ, }, { .id =3D SNOR_ID(0x20, 0xbb, 0x18), --=20 2.43.0