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Wed, 21 Aug 2019 08:06:38 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x7L7wicw132585; Wed, 21 Aug 2019 08:06:38 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userp3030.oracle.com with ESMTP id 2ug1gaapcx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 21 Aug 2019 08:06:37 +0000 Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x7L86ZTS019078; Wed, 21 Aug 2019 08:06:36 GMT Received: from [10.172.157.160] (/10.172.157.160) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 21 Aug 2019 01:06:35 -0700 Subject: Re: [PATCH v5 0/3] soc: ti: k3: Allow for exclusive and shared device requests To: Lokesh Vutla , Nishanth Menon , Tero Kristo , Santosh Shilimkar , Rob Herring References: <20190729122453.32252-1-lokeshvutla@ti.com> <05218f41-9601-9a6c-8ac1-3bf1482e1c3d@ti.com> From: santosh.shilimkar@oracle.com Organization: Oracle Corporation Message-ID: <226a7b55-8a4d-aa25-9392-004d5ea097e4@oracle.com> Date: Wed, 21 Aug 2019 10:06:32 +0200 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <05218f41-9601-9a6c-8ac1-3bf1482e1c3d@ti.com> Content-Language: en-US X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9355 signatures=668684 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908210087 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9355 signatures=668684 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908210087 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190821_010643_020367_3A76F672 X-CRM114-Status: GOOD ( 20.04 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Device Tree Mailing List , Sekhar Nori , Linux ARM Mailing List Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 8/20/19 2:48 PM, Lokesh Vutla wrote: > > > On 29/07/19 5:54 PM, Lokesh Vutla wrote: >> Sysfw provides an option for requesting exclusive access for a >> device using the flags MSG_FLAG_DEVICE_EXCLUSIVE. If this flag is >> not used, the device is meant to be shared across hosts. Once a device >> is requested from a host with this flag set, any request to this >> device from a different host will be nacked by sysfw. >> >> Current tisci firmware and pm drivers always requests for device with >> exclusive permissions set. But this is not be true for certain devices >> that are expcted to be shared across different host contexts. >> So add support for getting the shared or exclusive permissions from DT >> and request firmware accordingly. > > Gentle Ping on this series. > I can queue this up. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel