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 85C77432E97; Tue, 21 Jul 2026 21:33:47 +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=1784669631; cv=none; b=c6TMTuzHv3LkOswBQ4cNW97B4CCLLuxitHwQ4TwwBwBhg20iqUDaZTJcJpvH/7AKZOlyFRIDT6RG7AUdi8hl4b0WoWibtXm6rjkswTIlOMLWkgPoqxxQX30zEViKquyHDniM++f4FInd2+BJKyYQr7dQ38TI8OPqwxhzWQ8hZ18= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784669631; c=relaxed/simple; bh=5S1uatqJsZaP5KoNLjQl1Kk6Lz0RznRcbLKGf/DKMYY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tgVe1GawL+rocvhJGb2nDX2SnCAakkpCn12xug0BkD3TIpwT934i8nuDzQDuA1G3pTefCtOXejjO08qT27fqYOXo2kPUkiVKAmA5Puf5uUILJdX78f/F5s7W3Uz8zYc5koQmD3DCKFG0hyb3Cqm1Ni/vNWfkMChac4X6TIPzO7g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=iu19HvCY; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="iu19HvCY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 598AB1F00A3A; Tue, 21 Jul 2026 21:33:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784669626; bh=sKGKLZ2oHPokYYG1WJfW9x5sCzqcNnuerN/h5DjI2d4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=iu19HvCYV7s08Y6BuYD250yNhCayd/0hnOSLccMSHTdj2VRv8j0JiHZmptgZZMCMi 1zaNXeO3zLdr9+Ggf0iSI/2XgWNXCl5Ro9rshNkp0c3UXEtlHl6g8j73Yd1FHgX6Vs DH/50zM8jT7TBJPHOYhf7os6hYhcSUO4wSZc4hTM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Antoni Pokusinski , Alexandre Belloni , Sasha Levin Subject: [PATCH 6.1 0609/1067] rtc: abx80x: fix the RTC_VL_CLR clearing all status flags Date: Tue, 21 Jul 2026 17:20:10 +0200 Message-ID: <20260721152438.221129660@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152424.521567757@linuxfoundation.org> References: <20260721152424.521567757@linuxfoundation.org> User-Agent: quilt/0.69 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 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Antoni Pokusinski [ Upstream commit 419719c514252a2dbb2e2976f564c83417dd6d0a ] The RTC_VL_CLR ioctl intends to clear only the battery low flag (BLF), however the current implementation writes 0 to the status register, clearing all status bits. Fix this by writing back the masked status value so that only BLF is cleared, preserving other status flags. Fixes: ffe1c5a2d427 ("rtc: abx80x: Implement RTC_VL_READ,CLR ioctls") Signed-off-by: Antoni Pokusinski Link: https://patch.msgid.link/20260415160610.127155-2-apokusinski01@gmail.com Signed-off-by: Alexandre Belloni Signed-off-by: Sasha Levin --- drivers/rtc/rtc-abx80x.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-abx80x.c b/drivers/rtc/rtc-abx80x.c index 651270e5f1e66d..fa5f51d7f527a3 100644 --- a/drivers/rtc/rtc-abx80x.c +++ b/drivers/rtc/rtc-abx80x.c @@ -533,7 +533,8 @@ static int abx80x_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) status &= ~ABX8XX_STATUS_BLF; - tmp = i2c_smbus_write_byte_data(client, ABX8XX_REG_STATUS, 0); + tmp = i2c_smbus_write_byte_data(client, ABX8XX_REG_STATUS, + status); if (tmp < 0) return tmp; -- 2.53.0