From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757051Ab1LNLtv (ORCPT ); Wed, 14 Dec 2011 06:49:51 -0500 Received: from mail-ww0-f44.google.com ([74.125.82.44]:43585 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756893Ab1LNLt2 (ORCPT ); Wed, 14 Dec 2011 06:49:28 -0500 From: Ohad Ben-Cohen To: , Cc: Mark Grosen , Stephen Boyd , Ohad Ben-Cohen Subject: [PATCH 2/7] remoteproc: avoid registering a virtio device if not supported Date: Wed, 14 Dec 2011 13:48:30 +0200 Message-Id: <1323863315-8159-3-git-send-email-ohad@wizery.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1323863315-8159-1-git-send-email-ohad@wizery.com> References: <1323863315-8159-1-git-send-email-ohad@wizery.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Mark Grosen Let remoteproc know when the firmware doesn't support any virtio functionality, so registering a virtio device can be avoided. This is needed for remote processors that doesn't require any virtio-based communications, but are still controlled via remoteproc. [ohad@wizery.com: write commit log] Signed-off-by: Mark Grosen Signed-off-by: Ohad Ben-Cohen --- drivers/remoteproc/remoteproc_core.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 0d9a955..080c056 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -695,7 +695,7 @@ static int rproc_handle_virtio_rsc(struct rproc *rproc, struct fw_resource *rsc, int len) { struct device *dev = rproc->dev; - int ret = 0; + int ret = -ENODEV; for (; len >= sizeof(*rsc); rsc++, len -= sizeof(*rsc)) if (rsc->type == RSC_VIRTIO_DEV) { -- 1.7.5.4