From mboxrd@z Thu Jan 1 00:00:00 1970 From: okaya@codeaurora.org (Sinan Kaya) Date: Wed, 13 Jul 2016 22:06:28 -0400 Subject: [PATCH V9 2/9] vfio: platform: move reset call to a common function In-Reply-To: <1468461995-32676-1-git-send-email-okaya@codeaurora.org> References: <1468461995-32676-1-git-send-email-okaya@codeaurora.org> Message-ID: <1468461995-32676-3-git-send-email-okaya@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The reset call sequence seems to replicate itself multiple times across the file. Grouping them together for maintenance reasons. Signed-off-by: Sinan Kaya Reviewed-by: Eric Auger Reviewed-by: Baptiste Reynal --- drivers/vfio/platform/vfio_platform_common.c | 30 +++++++++++++--------------- 1 file changed, 14 insertions(+), 16 deletions(-) diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c index 08fd7c2..3e2a7c0 100644 --- a/drivers/vfio/platform/vfio_platform_common.c +++ b/drivers/vfio/platform/vfio_platform_common.c @@ -134,6 +134,17 @@ static void vfio_platform_regions_cleanup(struct vfio_platform_device *vdev) kfree(vdev->regions); } +static int vfio_platform_call_reset(struct vfio_platform_device *vdev) +{ + if (vdev->of_reset) { + dev_info(vdev->device, "reset\n"); + return vdev->of_reset(vdev); + } + + dev_warn(vdev->device, "no reset function found!\n"); + return -EINVAL; +} + static void vfio_platform_release(void *device_data) { struct vfio_platform_device *vdev = device_data; @@ -141,12 +152,7 @@ static void vfio_platform_release(void *device_data) mutex_lock(&driver_lock); if (!(--vdev->refcnt)) { - if (vdev->of_reset) { - dev_info(vdev->device, "reset\n"); - vdev->of_reset(vdev); - } else { - dev_warn(vdev->device, "no reset function found!\n"); - } + vfio_platform_call_reset(vdev); vfio_platform_regions_cleanup(vdev); vfio_platform_irq_cleanup(vdev); } @@ -175,12 +181,7 @@ static int vfio_platform_open(void *device_data) if (ret) goto err_irq; - if (vdev->of_reset) { - dev_info(vdev->device, "reset\n"); - vdev->of_reset(vdev); - } else { - dev_warn(vdev->device, "no reset function found!\n"); - } + vfio_platform_call_reset(vdev); } vdev->refcnt++; @@ -312,10 +313,7 @@ static long vfio_platform_ioctl(void *device_data, return ret; } else if (cmd == VFIO_DEVICE_RESET) { - if (vdev->of_reset) - return vdev->of_reset(vdev); - else - return -EINVAL; + return vfio_platform_call_reset(vdev); } return -ENOTTY; -- 1.8.2.1