From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964935AbcFME3Q (ORCPT ); Mon, 13 Jun 2016 00:29:16 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:41857 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753484AbcFME0y (ORCPT ); Mon, 13 Jun 2016 00:26:54 -0400 From: Sinan Kaya To: kvm@vger.kernel.org, timur@codeaurora.org, cov@codeaurora.org, jcm@redhat.com, alex.williamson@redhat.com, eric.auger@linaro.org Cc: linux-acpi@vger.kernel.org, agross@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sinan Kaya , Baptiste Reynal , linux-kernel@vger.kernel.org Subject: [PATCH V7 3/9] vfio: platform: determine reset capability Date: Mon, 13 Jun 2016 00:26:35 -0400 Message-Id: <1465792001-27960-4-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1465792001-27960-1-git-send-email-okaya@codeaurora.org> References: <1465792001-27960-1-git-send-email-okaya@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Creating a new function to determine if this driver supports reset function or not. This is an attempt to abstract device tree calls from the rest of the code. Signed-off-by: Sinan Kaya Reviewed-by: Eric Auger --- drivers/vfio/platform/vfio_platform_common.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c index 3e2a7c0..6be92c3 100644 --- a/drivers/vfio/platform/vfio_platform_common.c +++ b/drivers/vfio/platform/vfio_platform_common.c @@ -49,6 +49,11 @@ static vfio_platform_reset_fn_t vfio_platform_lookup_reset(const char *compat, return reset_fn; } +static bool vfio_platform_has_reset(struct vfio_platform_device *vdev) +{ + return vdev->of_reset ? true : false; +} + static void vfio_platform_get_reset(struct vfio_platform_device *vdev) { vdev->of_reset = vfio_platform_lookup_reset(vdev->compat, @@ -214,7 +219,7 @@ static long vfio_platform_ioctl(void *device_data, if (info.argsz < minsz) return -EINVAL; - if (vdev->of_reset) + if (vfio_platform_has_reset(vdev)) vdev->flags |= VFIO_DEVICE_FLAGS_RESET; info.flags = vdev->flags; info.num_regions = vdev->num_regions; -- 1.8.2.1