From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) (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 BC7FE3D0AF for ; Tue, 19 Dec 2023 21:40:25 +0000 (UTC) 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="gxHp7oxi" Received: by mail-wm1-f47.google.com with SMTP id 5b1f17b1804b1-40d22d3e751so545585e9.1 for ; Tue, 19 Dec 2023 13:40:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1703022024; x=1703626824; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:autocrypt:references:cc:to :from:content-language:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=GLX97zTjXLUuBBrZCG+eiTD12LAsIUKPQSmA2Ea0PBM=; b=gxHp7oxi87Oydr3tJEWAtGoeXPm78I2lXjSdcVevNzYKfmvOIs6lgTnYk5b/wFSZSd eexOKGksywQ2HPiJCvcsmiAbq9sqel1v73Q4xW5fXToPRpNUhaPJgPDHr+BtS+OQ6yZQ tWjNMT1HiK8yg0cg3jLc1EoMnbn5Z4N0ILXVITiufxwkmrASyyXBfyGWjHrKvcXeZIf1 1QX3JAo1kTOI71Uf+enshqVRt7fdgY6zEoRP4f3MzTgg9ZfyXOQficoNCxdIFilVBaRs XC5gtLpPecIGHkBIDlZcesUyzs7OnpkfJ2EzSlpfDpqwDNdkkfy5uDWr84yQks34ZE8K aBNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703022024; x=1703626824; h=content-transfer-encoding:in-reply-to:autocrypt:references:cc:to :from:content-language:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=GLX97zTjXLUuBBrZCG+eiTD12LAsIUKPQSmA2Ea0PBM=; b=W1tlng/UaAuBZSGhFesce77D9wDMaagg/wy9HQ6PVwSOV3eHLGN0vhUGJqbqSkhfD2 s0J2deLTNLOgJsy/fWr90Zrw4ZNJtgw1P010Pslo6otV1+Z7UqzzVr3cryGQu3mwgCnz aAbGWef9uBx+dVAALxo4PldI2GudEU1v67lCvRXfCW59+gEVfp8NtqPIvhrTN92nOVmy VHEoP9otsr2fKLcpcmC8GRjL22xACdxPqXoYG8DzkZ3w9snmtwUn3uNN/Eor5l2pT2C0 yt25Q0RZNguupl67QKQiEFPvKypEX7yC9J9afzkNbGndgQIs3SuKSmp/MXEug6SxCYfU jUDg== X-Gm-Message-State: AOJu0YxLNjHt04QsLPvsEUdv6HuSNB7B2zHILR8Lec8ckFhcY9CLkwAR M1cho/v2NE9zLfFb+RZ5Wtz/cW3ifdM= X-Google-Smtp-Source: AGHT+IEi874mLNTn7yb/QLxI/7WTw2OB+B1upUfLiVxEOAROwymJbdAWPk44egq9PiUHiBG5lO1c/w== X-Received: by 2002:a05:600c:1548:b0:40c:6796:b0f7 with SMTP id f8-20020a05600c154800b0040c6796b0f7mr859281wmg.134.1703022023523; Tue, 19 Dec 2023 13:40:23 -0800 (PST) Received: from ?IPV6:2a01:c23:b834:3300:1863:dc87:812:137a? (dynamic-2a01-0c23-b834-3300-1863-dc87-0812-137a.c23.pool.telefonica.de. [2a01:c23:b834:3300:1863:dc87:812:137a]) by smtp.googlemail.com with ESMTPSA id q19-20020a05600c46d300b0040b632f31d2sm4711015wmo.5.2023.12.19.13.40.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 19 Dec 2023 13:40:23 -0800 (PST) Message-ID: <3785ae44-8ced-446a-81a6-8be15bcaa04b@gmail.com> Date: Tue, 19 Dec 2023 22:40:23 +0100 Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] eeprom: ee1004: Add support for multiple i2c busses Content-Language: en-US From: Heiner Kallweit To: Wolfram Sang Cc: "linux-i2c@vger.kernel.org" , Jean Delvare , Greg Kroah-Hartman , Arnd Bergmann References: Autocrypt: addr=hkallweit1@gmail.com; keydata= xsFNBF/0ZFUBEAC0eZyktSE7ZNO1SFXL6cQ4i4g6Ah3mOUIXSB4pCY5kQ6OLKHh0FlOD5/5/ sY7IoIouzOjyFdFPnz4Bl3927ClT567hUJJ+SNaFEiJ9vadI6vZm2gcY4ExdIevYHWe1msJF MVE4yNwdS+UsPeCF/6CQQTzHc+n7DomE7fjJD5J1hOJjqz2XWe71fTvYXzxCFLwXXbBiqDC9 dNqOe5odPsa4TsWZ09T33g5n2nzTJs4Zw8fCy8rLqix/raVsqr8fw5qM66MVtdmEljFaJ9N8 /W56qGCp+H8Igk/F7CjlbWXiOlKHA25mPTmbVp7VlFsvsmMokr/imQr+0nXtmvYVaKEUwY2g 86IU6RAOuA8E0J5bD/BeyZdMyVEtX1kT404UJZekFytJZrDZetwxM/cAH+1fMx4z751WJmxQ J7mIXSPuDfeJhRDt9sGM6aRVfXbZt+wBogxyXepmnlv9K4A13z9DVLdKLrYUiu9/5QEl6fgI kPaXlAZmJsQfoKbmPqCHVRYj1lpQtDM/2/BO6gHASflWUHzwmBVZbS/XRs64uJO8CB3+V3fa cIivllReueGCMsHh6/8wgPAyopXOWOxbLsZ291fmZqIR0L5Y6b2HvdFN1Xhc+YrQ8TKK+Z4R mJRDh0wNQ8Gm89g92/YkHji4jIWlp2fwzCcx5+lZCQ1XdqAiHQARAQABzSZIZWluZXIgS2Fs bHdlaXQgPGhrYWxsd2VpdDFAZ21haWwuY29tPsLBjgQTAQgAOBYhBGxfqY/yOyXjyjJehXLe ig9U8DoMBQJf9GRVAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEHLeig9U8DoMSycQ AJbfg8HZEK0ljV4M8nvdaiNixWAufrcZ+SD8zhbxl8GispK4F3Yo+20Y3UoZ7FcIidJWUUJL axAOkpI/70YNhlqAPMsuudlAieeYZKjIv1WV5ucNZ3VJ7dC+dlVqQdAr1iD869FZXvy91KhJ wYulyCf+s4T9YgmLC6jLMBZghKIf1uhSd0NzjyCqYWbk2ZxByZHgunEShOhHPHswu3Am0ftt ePaYIHgZs+Vzwfjs8I7EuW/5/f5G9w1vibXxtGY/GXwgGGHRDjFM7RSprGOv4F5eMGh+NFUJ TU9N96PQYMwXVxnQfRXl8O6ffSVmFx4H9rovxWPKobLmqQL0WKLLVvA/aOHCcMKgfyKRcLah 57vGC50Ga8oT2K1g0AhKGkyJo7lGXkMu5yEs0m9O+btqAB261/E3DRxfI1P/tvDZpLJKtq35 dXsj6sjvhgX7VxXhY1wE54uqLLHY3UZQlmH3QF5t80MS7/KhxB1pO1Cpcmkt9hgyzH8+5org +9wWxGUtJWNP7CppY+qvv3SZtKJMKsxqk5coBGwNkMms56z4qfJm2PUtJQGjA65XWdzQACib 2iaDQoBqGZfXRdPT0tC1H5kUJuOX4ll1hI/HBMEFCcO8++Bl2wcrUsAxLzGvhINVJX2DAQaF aNetToazkCnzubKfBOyiTqFJ0b63c5dqziAgzsFNBF/0ZFUBEADF8UEZmKDl1w/UxvjeyAeX kghYkY3bkK6gcIYXdLRfJw12GbvMioSguvVzASVHG8h7NbNjk1yur6AONfbUpXKSNZ0skV8V fG+ppbaY+zQofsSMoj5gP0amwbwvPzVqZCYJai81VobefTX2MZM2Mg/ThBVtGyzV3NeCpnBa 8AX3s9rrX2XUoCibYotbbxx9afZYUFyflOc7kEpc9uJXIdaxS2Z6MnYLHsyVjiU6tzKCiVOU KJevqvzPXJmy0xaOVf7mhFSNQyJTrZpLa+tvB1DQRS08CqYtIMxRrVtC0t0LFeQGly6bOngr ircurWJiJKbSXVstLHgWYiq3/GmCSx/82ObeLO3PftklpRj8d+kFbrvrqBgjWtMH4WtK5uN5 1WJ71hWJfNchKRlaJ3GWy8KolCAoGsQMovn/ZEXxrGs1ndafu47yXOpuDAozoHTBGvuSXSZo ythk/0EAuz5IkwkhYBT1MGIAvNSn9ivE5aRnBazugy0rTRkVggHvt3/7flFHlGVGpBHxFUwb /a4UjJBPtIwa4tWR8B1Ma36S8Jk456k2n1id7M0LQ+eqstmp6Y+UB+pt9NX6t0Slw1NCdYTW gJezWTVKF7pmTdXszXGxlc9kTrVUz04PqPjnYbv5UWuDd2eyzGjrrFOsJEi8OK2d2j4FfF++ AzOMdW09JVqejQARAQABwsF2BBgBCAAgFiEEbF+pj/I7JePKMl6Fct6KD1TwOgwFAl/0ZFUC GwwACgkQct6KD1TwOgxUfg//eAoYc0Vm4NrxymfcY30UjHVD0LgSvU8kUmXxil3qhFPS7KA+ y7tgcKLHOkZkXMX5MLFcS9+SmrAjSBBV8omKoHNo+kfFx/dUAtz0lot8wNGmWb+NcHeKM1eb nwUMOEa1uDdfZeKef/U/2uHBceY7Gc6zPZPWgXghEyQMTH2UhLgeam8yglyO+A6RXCh+s6ak Wje7Vo1wGK4eYxp6pwMPJXLMsI0ii/2k3YPEJPv+yJf90MbYyQSbkTwZhrsokjQEaIfjrIk3 rQRjTve/J62WIO28IbY/mENuGgWehRlTAbhC4BLTZ5uYS0YMQCR7v9UGMWdNWXFyrOB6PjSu Trn9MsPoUc8qI72mVpxEXQDLlrd2ijEWm7Nrf52YMD7hL6rXXuis7R6zY8WnnBhW0uCfhajx q+KuARXC0sDLztcjaS3ayXonpoCPZep2Bd5xqE4Ln8/COCslP7E92W1uf1EcdXXIrx1acg21 H/0Z53okMykVs3a8tECPHIxnre2UxKdTbCEkjkR4V6JyplTS47oWMw3zyI7zkaadfzVFBxk2 lo/Tny+FX1Azea3Ce7oOnRUEZtWSsUidtIjmL8YUQFZYm+JUIgfRmSpMFq8JP4VH43GXpB/S OCrl+/xujzvoUBFV/cHKjEQYBxo+MaiQa1U54ykM2W4DnHb1UiEf5xDkFd4= In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 16.11.2023 15:31, Heiner Kallweit wrote: > There are systems with more than 8 memory slots where the i2c bus for > SPD is multiplexed. i2c_register_spd() isn't used yet on such systems, > but it's planned. So we need to extend ee1004 accordingly. > With this extension a maximum of 8 i2c busses is supported. > > I don't have such a system for testing, therefore I just verified > that the driver still works on a system with a single i2c bus. > > For the sake of simplicity the extension uses the existing global > mutex to protect access on all busses. This could be improved, > but we support 8 busses only, and SPD data is small and rarely > accessed, so it shouldn't be a problem. > > Signed-off-by: Heiner Kallweit > --- > v2: > - simplify code by using i2c_set/get_clientdata > --- Patch has been applied by Greg and can be set to "handled elsewhere" in i2c patchwork.