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 D2FC73CD9EB; Sat, 28 Feb 2026 17:40:05 +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=1772300405; cv=none; b=dJDDuZvzTAR/HKz1qhZaibvjdFHotXDNv6eP4bo7mw/AOjtAkRhWNa/ZStPD1b2SBmT6tKTFu42ev/msLwmOn9hd6glmAJw/HVyzF9/U+1fkiltykxZdZxTlUzyokSzWv2Pq2Jgs/LHXUwGbQNd1HP6DnhkMrYbsl7G8kPHfhvY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300405; c=relaxed/simple; bh=9JOA6572BYDqfDjY//bb7H4d1r4XQRYQMbcpDHSnCOU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=SpSb9jNbh5wb3R9BShlCxAbBbxrqBuXWGPlSZ2qJfGuaa063pJYH3kaMDhhwcesA+DxlvvtsiCt2KoVWJvexVy9ARwRuwNb0sc5ACgdZJYpV1MSVhmnFW3/eJD7iIqhJoGwtDsE2wB1At4NW79mevO4vH7rSu9O/UGFgYXMxJDo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EyilbVrN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EyilbVrN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 00502C19425; Sat, 28 Feb 2026 17:40:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300405; bh=9JOA6572BYDqfDjY//bb7H4d1r4XQRYQMbcpDHSnCOU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EyilbVrNglLOg+OWxGZ0fECbxxFVKuBzL32kIXKAvp4PShzozdvym3fvebw65LSEk w+wkNDdBylY1LTqHMhaqIShLcd24Vfl9lO8ASWmbpzF/fLBQ5Z6/fJSthk3LPTt6mv o30kUIuYAHO/MNOPoP0y2I5r7kEez1oENE1enNjg9pP/FGVEAkpTue+2xQzncP4Fa7 /E4iDQZJyPRpAkntH4on1mOrwqWnipAbY/wMeQyh6Y9jioNfqk0AZI/6MwbU0iNaVX YxleJxnUXHW4fB6dqOrzIPzEoopTzF/EOwEqK6WC8LW+Soecqa7ZTcDEBTvaxyGoTH Od2nl/7RyCeyQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tomas Melin , Harini T , Michal Simek , Alexandre Belloni , Sasha Levin Subject: [PATCH 6.19 443/844] rtc: zynqmp: correct frequency value Date: Sat, 28 Feb 2026 12:25:56 -0500 Message-ID: <20260228173244.1509663-444-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Tomas Melin [ Upstream commit 2724fb4d429cbb724dcb6fa17953040918ebe3a2 ] Fix calibration value in case a clock reference is provided. The actual calibration value written into register is frequency - 1. Reviewed-by: Harini T Tested-by: Harini T Signed-off-by: Tomas Melin Acked-by: Michal Simek Link: https://patch.msgid.link/20260122-zynqmp-rtc-updates-v4-1-d4edb966b499@vaisala.com Signed-off-by: Alexandre Belloni Signed-off-by: Sasha Levin --- drivers/rtc/rtc-zynqmp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/rtc/rtc-zynqmp.c b/drivers/rtc/rtc-zynqmp.c index 3baa2b481d9f2..856bc1678e7d3 100644 --- a/drivers/rtc/rtc-zynqmp.c +++ b/drivers/rtc/rtc-zynqmp.c @@ -345,7 +345,10 @@ static int xlnx_rtc_probe(struct platform_device *pdev) &xrtcdev->freq); if (ret) xrtcdev->freq = RTC_CALIB_DEF; + } else { + xrtcdev->freq--; } + ret = readl(xrtcdev->reg_base + RTC_CALIB_RD); if (!ret) writel(xrtcdev->freq, (xrtcdev->reg_base + RTC_CALIB_WR)); -- 2.51.0