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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jiLBl-00082c-Pr; Mon, 08 Jun 2020 17:03:57 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jiLBi-000817-Fh for linux-arm-kernel@lists.infradead.org; Mon, 08 Jun 2020 17:03:56 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C24051FB; Mon, 8 Jun 2020 10:03:52 -0700 (PDT) Received: from bogus (unknown [10.37.12.97]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 3B1C43F73D; Mon, 8 Jun 2020 10:03:49 -0700 (PDT) Date: Mon, 8 Jun 2020 18:03:46 +0100 From: Sudeep Holla To: Cristian Marussi Subject: Re: [PATCH v8 3/9] firmware: arm_scmi: Add notification dispatch and delivery Message-ID: <20200608170346.GD13622@bogus> References: <20200520081118.54897-1-cristian.marussi@arm.com> <20200520081118.54897-4-cristian.marussi@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200520081118.54897-4-cristian.marussi@arm.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200608_100354_563832_FD20D184 X-CRM114-Status: GOOD ( 15.40 ) 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: Sudeep Holla , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, james.quinlan@broadcom.com, Jonathan.Cameron@Huawei.com, dave.martin@arm.com, lukasz.luba@arm.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, May 20, 2020 at 09:11:12AM +0100, Cristian Marussi wrote: > Add core SCMI Notifications dispatch and delivery support logic which is > able, at first, to dispatch well-known received events from the RX ISR to > the dedicated deferred worker, and then, from there, to final deliver the > events to the registered users' callbacks. > > Dispatch and delivery is just added here, still not enabled. > > Reviewed-by: Jonathan Cameron > Signed-off-by: Cristian Marussi > --- > drivers/firmware/arm_scmi/notify.c | 354 ++++++++++++++++++++++++++++- > drivers/firmware/arm_scmi/notify.h | 10 + > 2 files changed, 362 insertions(+), 2 deletions(-) > > diff --git a/drivers/firmware/arm_scmi/notify.c b/drivers/firmware/arm_scmi/notify.c > index 7cf61dbe2a8e..d582f71fde5b 100644 > --- a/drivers/firmware/arm_scmi/notify.c > +++ b/drivers/firmware/arm_scmi/notify.c [...] > @@ -1085,6 +1422,12 @@ int scmi_notification_init(struct scmi_handle *handle) > ni->gid = gid; > ni->handle = handle; > > + ni->notify_wq = alloc_workqueue("scmi_notify", > + WQ_UNBOUND | WQ_FREEZABLE | WQ_SYSFS, > + 0); What's the use of WQ_SYSFS for SCMI notifications ? Do we need it ? -- Regards, Sudeep _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel