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 4CF84332628 for ; Sat, 28 Feb 2026 17:53:37 +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=1772301217; cv=none; b=FIKo+MxggMpSvFjZbJK9Zv6XL1qGMfSa9WJSH5+GxctVeUN4bsqMfI9+XEZJ1aikUTWMJtIi0V6WNEV9R1EwYvGJYxyJbD8xDhm4Maw/rUoxhx9WpQ7ZkSTBGWXHOREwa60w63y9XpxKWBhQ5Qnio4zSqKY4PK9WVWAVpTKL6CY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301217; c=relaxed/simple; bh=9JOA6572BYDqfDjY//bb7H4d1r4XQRYQMbcpDHSnCOU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mvEEXp/svWidJWSiEKHaIBrjL2Zbhnh3ZeuKnmlQSYHWZcabTpGqeXdL+fdCkWfbAhZ6m545xL2Xa5GsyQyTPq41v/yzoacoom5odpdQrXIcG8dr5IC8ujOh8nSLZEor3gq9EV2emo3OlHVKIAqtInAviUjZFVoLZgQ7Y46kIaE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=R32fIewi; 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="R32fIewi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8A8D4C116D0; Sat, 28 Feb 2026 17:53:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301217; bh=9JOA6572BYDqfDjY//bb7H4d1r4XQRYQMbcpDHSnCOU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=R32fIewizg8IHPnFqXD10QFURLDBZStceiJ61oeMvJaFF+5OZ9PpNUUuGTCffkOjv MQD/WwOlJBgPZ31mHKBlWVoqOWcoWIPrxLB36MItuPW99+4nf/0thh/jb3lO2xTMxm la78jEfjisdaku4i8+fV5aqeUQ83JykNkxx/CKhVMVmOEOKz9MWCAg+dwBc4Z+iaE2 leNIR4wenH/PvNWQ4+qZMPeR29CyZE6Mg374e4vAjzgJ8W+a5sfZVX5Yy6HdruIats 282xNBt3xnHlyWAhHVmOo+yT7CNwak+ROs5nCmwDDYbUWGcIUuYAtyzRkXphFMYpZY kohLyDJv48dOA== From: Sasha Levin To: patches@lists.linux.dev Cc: Tomas Melin , Harini T , Michal Simek , Alexandre Belloni , Sasha Levin Subject: [PATCH 6.18 393/752] rtc: zynqmp: correct frequency value Date: Sat, 28 Feb 2026 12:41:44 -0500 Message-ID: <20260228174750.1542406-393-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev 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