From mboxrd@z Thu Jan 1 00:00:00 1970 From: okaya@codeaurora.org (Sinan Kaya) Date: Sun, 15 May 2016 22:13:36 -0400 Subject: [PATCH V5 3/6] vfio: platform: determine reset capability In-Reply-To: <1463364819-477-1-git-send-email-okaya@codeaurora.org> References: <1463364819-477-1-git-send-email-okaya@codeaurora.org> Message-ID: <1463364819-477-4-git-send-email-okaya@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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 --- 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 cb91dd3..25378bd 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, @@ -215,7 +220,7 @@ 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