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 69B4F1D5CFE; Fri, 31 Jul 2026 06:21:29 +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=1785478890; cv=none; b=mYAqhb8JfmKk0YQMw+B/dyVAr8TY9kyDqlY3S4AGfiLqZr1rc/cw+KtI6J78YxaRLshIwNqF2NHDDSKHuaS2gg5s0EG+QhMeUOYSaJtwQXhOM3D21Jcq+31ifQmuntQGfIreunmTSWaWVaJc26nz/4437DjOixRsNmoDOHpBtOE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785478890; c=relaxed/simple; bh=yjCnhuPS8D+3ItM9BnGw2G1vlWBt7nfs7tfqu9r5IG8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=RwPNNg6qMVL0ISRJIseQJ4VCdDkZrqS6AWuuyxxWqGfo1VEwi7lyYtbzY5TI2Ib8xphznucuOyA/r5rHAB7CPfx000nUG4M9kPfRxj6fLAG/DkPcBEeU+ZR6pQCuJAEoGNfgOOHaL3oq1rDAmhWmKeZuMpIPx3ym56ANNV7hvVA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PaSF4IHy; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PaSF4IHy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 901E01F000E9; Fri, 31 Jul 2026 06:21:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785478889; bh=Ai5DdgnMBAlwlIqY4Tfv37GQM1l9efw1p8pTzSPaYCI=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=PaSF4IHyYtix5wVuBP5jdvcSbzEoHkgOQdyAgitBB58PExXvGAg39pTkSqmRpgPMu 5uU2xklcdCeFx4tTrcWCOLonDSHRtoASWiwmhGyMgcwEiwBM5SqIa7zyZt7u2I7bVh vn/9k0rXT2JtdhVlf5m0N7Wuz2eH5GMiwz5I4Cdr+uEQdfLYCIf7tdHSx4tBNBJlhV HvrtZ0UsnFTlHoIaxG5esPour5xJloVF9mD9+P61jmaOT7Cv4qBw97BWALq3Uv98VW 62cW3KtS/WNmyj+nmJXyyodE9hEfFf83PKfI4RanUksqxEbHBXbscL7mytJYyaSGTg eQEpliyKZ4f9A== Message-ID: <669b8e16-19a6-49bf-a1ef-a7bce5075a9a@kernel.org> Date: Fri, 31 Jul 2026 08:21:26 +0200 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 7.1 667/744] ptp: ptp_s390: Add missing facility check To: Greg Kroah-Hartman , stable@vger.kernel.org Cc: patches@lists.linux.dev, Sven Schnelle , stable@kernel.org, Heiko Carstens , Jakub Kicinski References: <20260730141444.267951807@linuxfoundation.org> <20260730141458.442328931@linuxfoundation.org> Content-Language: en-US From: Jiri Slaby Autocrypt: addr=jirislaby@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 30. 07. 26, 16:15, Greg Kroah-Hartman wrote: > 7.1-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Sven Schnelle > > commit e78f1ac37afcb16cb6fef8a2c92591eab6558956 upstream. > > 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 > Link: https://patch.msgid.link/20260714130342.1971700-3-svens@linux.ibm.com > Signed-off-by: Jakub Kicinski > Signed-off-by: Greg Kroah-Hartman > --- > drivers/ptp/ptp_s390.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > --- 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); > > + if (!test_facility(28) || !ptff_query(PTFF_QPT)) ptff_query() here needs: 9de445d8296a ("s390/ptff: Export ptff_function_mask[]") thanks, -- js suse labs