From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 A9D89448394; Wed, 30 Sep 2026 11:31:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790767901; cv=none; b=nwYe4tsFVJR9pIEhC/YUcsvv/GfgBaUfusgvyR/O2FHy1+cSDCs2isRwVeEiKQY1zUvagWI2yYRoDjlvf6JchyB8f5IAAr8dIdJzRf/3hea+bgCPWeg8fPlQiAb68/5aAlMufVm9TH+N+QVbg8XrXiqHw6/qU5NZBv14hj2t/p4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790767901; c=relaxed/simple; bh=nRPTJtFFp2iWqJ2IlpdzhC316XNMEgwAbnBucyMqrAU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=fg2aisiJOUEtSgfBP/AsBazmAer6co9JSKAAwZD32wFkXtompuc4QvDzytCqXF+PdIQjYMHxdMKschKb0ReFXY2b5shlsTa1xp0DP5rkUrN15wYUSQgaCRvMupDPe1pKKN89b0WkNzFEUeSD4OYoBqrhIl7yrUsQUosCtSv+oY0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FGorODrw; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="FGorODrw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 58E511F00893; Wed, 30 Sep 2026 11:31:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790767899; bh=gYXHW6HBQLGHFoAypcSyD6Tjez47r9lYj9tHE1sEqRQ=; h=From:To:Cc:Subject:Date; b=FGorODrwx6v4EH8yKnQ17kC+ZYTZQpKE0rDoznrZ1p3rnjxq9EeDu1YJilarqbnrz p8zRz1hL3wMrBGa6D5zsnM4aCyISyUV0j6Ie4gK1kr+gRgSbFmEWszIbTZe4hKBSdU Apj36CFCIkdFahCWhNovu8k9pJh+fZFnNCi/jhREdptTL+9pw9G3T03T2TGeq7QyjK Ic/kyMcHj+xPeoEd29NM4rOBH84Gefvp9uR6sVkjWnOf4sRJXnqUzsDUfOi2A9LfZS //NPwHIoPuWKex+rtUVp9DBzpvFPGsi1nMv9qqyryExmQIfIEutXXNa1y+4xDCRMfG q+Z1AdcZrOqpQ== From: Michael Walle To: Alexandre Belloni Cc: linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org, Michael Walle Subject: [PATCH] rtc: pcf8563: add SMBus support Date: Wed, 30 Sep 2026 13:30:53 +0200 Message-ID: <20260930113126.720555-1-mwalle@kernel.org> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Since commit 00f1bb9b8486 ("rtc: pcf8563: Switch to regmap") the driver uses regmap to access the RTC. Regmap itself will figure out if there is a suitable I2C or SMBus host controllers. Thus, don't restict the driver to just I2C controllers and make it work on SMBus controllers supporting i2c block accesses. This was tested on a custom x86 board. Signed-off-by: Michael Walle --- drivers/rtc/rtc-pcf8563.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c index 7eebdb058067..eee9bc752b52 100644 --- a/drivers/rtc/rtc-pcf8563.c +++ b/drivers/rtc/rtc-pcf8563.c @@ -479,9 +479,6 @@ static int pcf8563_probe(struct i2c_client *client) dev_dbg(&client->dev, "%s\n", __func__); - if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) - return -ENODEV; - pcf8563 = devm_kzalloc(&client->dev, sizeof(struct pcf8563), GFP_KERNEL); if (!pcf8563) -- 2.47.3