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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Heiko Carstens , Vasily Gorbik , Alexander Gordeev Subject: [PATCH v2 1/2] s390/ptff: Export ptff_function_mask[] Date: Tue, 14 Jul 2026 15:03:41 +0200 Message-ID: <20260714130342.1971700-2-svens@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260714130342.1971700-1-svens@linux.ibm.com> References: <20260714130342.1971700-1-svens@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE0MDEzMiBTYWx0ZWRfX5O6BPHaI1AWG 3SstSytBIDQfu907WlkTEA9bMeqFUATUGQSR3/ointPQBJbAtcqaAaAG1yM1JAnypOVVZ4+42H1 E7VOra4cPEyXXyp2tUZJ1zcxEgp6L9U= X-Authority-Analysis: v=2.4 cv=Mp1iLWae c=1 sm=1 tr=0 ts=6a5633c9 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VnNF1IyMAAAA:8 a=DoSMonE1AzDNFuiaGKgA:9 X-Proofpoint-GUID: WNp983H-4c8RVIy_IV0y9q_cDuTXLOBQ X-Proofpoint-ORIG-GUID: CyCb4ap9UJxZizpTu9Qz9-6TGMClmOgk X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE0MDEzMiBTYWx0ZWRfX59ntWHgZlsRb PB5e0Tiw+j/IlTZ5A1aHaFUA9A5x8nTvRUAnRON7+/c6C/YSJCayn1vpOPF9XIpZlp7KPWwB21U zqFa4UThaX9pVJf4q1jMEFLhbdFIqpSp9pz7z4d7XZVpRr5fqUlsbYEOGKWA7KbJnXc2DJnCmx1 bJIQkizzNoJUD+9aJt0HEu3zn8te8Sm/F0SsEDVhkeVMR1kldsi6GBv9/0sKq4290rBUsXH673S 83OAX+uQMtvNphnJ1k+/Oql+HYjSnkIi3tCllg+TkbSY5KpXsTvmxjzjyFkSKRjy6HF7MJvQ/HZ /FmE7rmeuP3Dfx4DzIlnjXFQwVvO/5pK6nQFmUy6d+n1i4MPSpWi66Uuy2wc/InUI3IG1rL/3Qb NDiSjUjyv2hi2J4NnrykxUYverNVbjWuj+Pyqn18CdvrV2HROaczZDWE/pVGpqn8rboyfpM3Akl cf5apwpd609z0zV34pQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-14_03,2026-07-10_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 bulkscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 suspectscore=0 clxscore=1015 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607140132 Content-Type: text/plain; charset="utf-8" Export the ptff_function_mask to make ptff_query() usable in modules. Signed-off-by: Sven Schnelle Acked-by: Heiko Carstens --- arch/s390/kernel/time.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index bd0df61d1907..2b989bebd220 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -65,6 +65,7 @@ ATOMIC_NOTIFIER_HEAD(s390_epoch_delta_notifier); EXPORT_SYMBOL(s390_epoch_delta_notifier); =20 unsigned char ptff_function_mask[16]; +EXPORT_SYMBOL(ptff_function_mask); =20 static unsigned long lpar_offset; static unsigned long initial_leap_seconds; --=20 2.55.0 From nobody Sat Jul 25 19:28:28 2026 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (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 C814246AF05; Tue, 14 Jul 2026 13:04:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.158.5 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784034257; cv=none; b=lSjDI3gmX7tdOFt0a7JSFKOFAb9e7RqUZ9W8mrZKviucd8ix/MsqSFXFKc47JsTW9K+I+i+YNQIXKeRq6ehACY+MmK5EFWLF7ELXuOFD9/1yUSUdR7in0Q8u1r/Ek5W5v9lg1F7OfuovDFwFmDm26z2wRYypfv7iJhX72rToDH8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784034257; c=relaxed/simple; bh=u6Y4cZi6tzUrGstUrSdbyH2IwuPZh3HQWfr0VcpVZ5g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AYzz8fz6COXSh9bD6kYC+hcAPxT5QR2vrSeAphtxE870PxVWdiEwYeiDo0LXBS1dd6DZE3cuFerWOlnrizEX1W3Lzc9teGTAS5lCZvhaOGLK7p3HYyZ9TQUkZMe4cV/AMbE1xuJZIQ/jPUqbhkmGc8kyGTza9gCOWoVR7Ve6LuI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com; spf=pass smtp.mailfrom=linux.ibm.com; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b=G05lOHnz; arc=none smtp.client-ip=148.163.158.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="G05lOHnz" Received: from pps.filterd (m0360072.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 66EBg0Hr1195053; Tue, 14 Jul 2026 13:04:09 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=pp1; bh=cHjbBjagGNXJRbi52 imbwuO2vVnHqFzUUUIrp5kwSlk=; b=G05lOHnzKb9sdvFxQFhcBy0FewIButqar HmZHT9JAgimjLFwibsa9FEJzeT4cg9p0EE8LS+VU3Ww1ZXb0hyLf9EE0dIz/iEul Lu2dCFEsQ9uIVn8p634lZOM/310HpCj3Z+wEM9DbcjWu7N3A7AHMzZi3bOuh9MuR rKFpFFOlv7MpAg7JbcvEVdUVHi9Nf8kN7kC8/9A3VUP7qwpIH9swxMNKfP9oY8EM IOpsNi/w3obAWMlnhb9dhI/zMx9+IVsZfVONJviJB7Y/RyVK6Z83D6T/QKgq2IBR E6TYqXWj/l7Yo2Kg7i+cYWjVvmasPBnDR9PVKGtVuciPGLdiHTDAA== Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4fbegbnt5p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 14 Jul 2026 13:04:09 +0000 (GMT) Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.18.1.7/8.18.1.7) with ESMTP id 66ECnfU4012006; Tue, 14 Jul 2026 13:04:08 GMT Received: from smtprelay07.fra02v.mail.ibm.com ([9.218.2.229]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 4fc2cgantk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 14 Jul 2026 13:04:08 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (smtpav02.fra02v.mail.ibm.com [10.20.54.101]) by smtprelay07.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 66ED44Gb49479984 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 14 Jul 2026 13:04:04 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7D1FA20063; Tue, 14 Jul 2026 13:04:04 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 532D720043; Tue, 14 Jul 2026 13:04:04 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.87.85.9]) by smtpav02.fra02v.mail.ibm.com (Postfix) with SMTP; Tue, 14 Jul 2026 13:04:04 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 55390) id 3AEA3162605; Tue, 14 Jul 2026 15:04:04 +0200 (CEST) From: Sven Schnelle To: Richard Cochran Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Heiko Carstens , Vasily Gorbik , Alexander Gordeev Subject: [PATCH v2 2/2] ptp: ptp_s390: Add missing facility check Date: Tue, 14 Jul 2026 15:03:42 +0200 Message-ID: <20260714130342.1971700-3-svens@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260714130342.1971700-1-svens@linux.ibm.com> References: <20260714130342.1971700-1-svens@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=fOcJG5ae c=1 sm=1 tr=0 ts=6a5633c9 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=VwQbUJbxAAAA:8 a=QjX40KQ7ckxDZ_rv0CQA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE0MDEzMiBTYWx0ZWRfX9SaK97QAH6Xm AdWfAWW6k3rSi1OErN8OjxueiojAfZ0dGGzOXwGmHlwqpaOn8wCj9qsHqik0JnUUBsesmsxIB+a 2Vi5BuCgniaXmx67VIBd4tDgsdbOveFUSaKXZ+bk3gNPHaLaT5L2bbfkIEP3miPMYMMgPzXeBKH 1tWqol+qIGfjkAQbeBaKu4YEd8/Q7oki/Ifo3B/Lnuz5kyG+id3asRFx5k2zPrHZWSg7/6heEn5 bW/5JJCJu/Yvb8l5oWu465C5b9d95UelqqzRGvcLQUEPm76dqV/pTkN5PwB1mHfWTng93bmuAs+ lSvni47fZr8Minc0l5Bg+sgT8ss5ryYI5onNFaLJNBOThnQdb1zB+64UW0YM3mmJO92Tdc3ZJ8l NblIw8wSqtf1tzU/TBVd8mmA975VKF4cjZw6rGNU6VrASdwLBoGyKBseBa2IfJw1hhWaa7fYYYL QPSDmKB8EPnFyX97bbw== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE0MDEzMiBTYWx0ZWRfX2J7OYxh8osWr +BqfC0Djeqm8blxijUIB5q8rvrZTvpcPOUqaLjxwosCaOnjfFJkuiPgwvQPy32B3o9al8Kzj73c H9yrxMCd821Gbh3zCR7ePh0TC5cakmI= X-Proofpoint-GUID: OFjLOZJ4ceWp2H49yGxilT2FpSCLnUMP X-Proofpoint-ORIG-GUID: LY2LUNy6qIyRtiM9ab_9ugjXcmIGi807 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-14_03,2026-07-10_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 impostorscore=0 suspectscore=0 adultscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607140132 Content-Type: text/plain; charset="utf-8" Only register the physical clock when facility 28 is installed and PTFF QAF returns that PTFF QPT is available. Fixes: 2d7de7a3010d ("s390/time: Add PtP driver") Signed-off-by: Sven Schnelle Cc: stable@kernel.org Reviewed-by: Heiko Carstens --- drivers/ptp/ptp_s390.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/ptp/ptp_s390.c b/drivers/ptp/ptp_s390.c index 29618eb9bf44..02d624d89a0a 100644 --- a/drivers/ptp/ptp_s390.c +++ b/drivers/ptp/ptp_s390.c @@ -107,6 +107,9 @@ static __init int ptp_s390_init(void) if (IS_ERR(ptp_stcke_clock)) return PTR_ERR(ptp_stcke_clock); =20 + if (!test_facility(28) || !ptff_query(PTFF_QPT)) + return 0; + ptp_qpt_clock =3D ptp_clock_register(&ptp_s390_qpt_info, NULL); if (IS_ERR(ptp_qpt_clock)) { ptp_clock_unregister(ptp_stcke_clock); @@ -117,7 +120,8 @@ static __init int ptp_s390_init(void) =20 static __exit void ptp_s390_exit(void) { - ptp_clock_unregister(ptp_qpt_clock); + if (ptp_qpt_clock) + ptp_clock_unregister(ptp_qpt_clock); ptp_clock_unregister(ptp_stcke_clock); } =20 --=20 2.55.0