From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 A8644280037; Tue, 12 Aug 2025 18:18:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755022739; cv=none; b=jwRA3PYMWJOlUTJaV6dcCdHnb7OayuN1L4gmwQIzgTeCCF01v7qnj844RR4hbMWwFtXy/nbh2ADUaMcYkWW+sdBPGGum5ogyHoPZ/7kdYR9omLtrG8IqrWurcjggY9oO10nP1d6qJQ7MRTW8umyEHtqSrJqIgDZcMrr51whL6L4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755022739; c=relaxed/simple; bh=JCZzoOIXsAJKH9sCie+IRhxiNmXbA4ygYf2HLe9xb2Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uFGbrz0CeBYxP3fdTQLlzXOFCpAn4zv/z9aWd/kzFcK9WST/BNtOo3KzEOyCT3UREVRPRLdNlvn7rsB1lnoj04zDyLXN+gaew7Wgj8Nz4xKLmLVlwZ78PGcy4vFGhaosVCq3uJ3AQbApxvXexbmE4lBVERfIzI4TWc8WzDhCz8I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=SUWs5Rsl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="SUWs5Rsl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1C928C4CEF1; Tue, 12 Aug 2025 18:18:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755022739; bh=JCZzoOIXsAJKH9sCie+IRhxiNmXbA4ygYf2HLe9xb2Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SUWs5Rslg47K9ItiR5YKP3bZJQAtOyENIZb0Isj7swp6jKrWztWtyrAhgbay2vQZY 0F2PCHTRzPbMO3MMmIW5M0F+z2XinWMCs30/5fe43Yqx92pWebuKs4iko/IZxGin9O dTKaF2E6iKRcsM8gkXZt2+Myakdu8fJePpsdWczQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Brian Masney , Alexandre Belloni , Sasha Levin Subject: [PATCH 6.12 243/369] rtc: ds1307: fix incorrect maximum clock rate handling Date: Tue, 12 Aug 2025 19:29:00 +0200 Message-ID: <20250812173023.910019193@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250812173014.736537091@linuxfoundation.org> References: <20250812173014.736537091@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Brian Masney [ Upstream commit cf6eb547a24af7ad7bbd2abe9c5327f956bbeae8 ] When ds3231_clk_sqw_round_rate() is called with a requested rate higher than the highest supported rate, it currently returns 0, which disables the clock. According to the clk API, round_rate() should instead return the highest supported rate. Update the function to return the maximum supported rate in this case. Fixes: 6c6ff145b3346 ("rtc: ds1307: add clock provider support for DS3231") Signed-off-by: Brian Masney Link: https://lore.kernel.org/r/20250710-rtc-clk-round-rate-v1-1-33140bb2278e@redhat.com Signed-off-by: Alexandre Belloni Signed-off-by: Sasha Levin --- drivers/rtc/rtc-ds1307.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index 5efbe69bf5ca..c8a666de9cbe 100644 --- a/drivers/rtc/rtc-ds1307.c +++ b/drivers/rtc/rtc-ds1307.c @@ -1466,7 +1466,7 @@ static long ds3231_clk_sqw_round_rate(struct clk_hw *hw, unsigned long rate, return ds3231_clk_sqw_rates[i]; } - return 0; + return ds3231_clk_sqw_rates[ARRAY_SIZE(ds3231_clk_sqw_rates) - 1]; } static int ds3231_clk_sqw_set_rate(struct clk_hw *hw, unsigned long rate, -- 2.39.5