From mboxrd@z Thu Jan 1 00:00:00 1970 From: okaya@codeaurora.org (Sinan Kaya) Date: Mon, 20 Jun 2016 11:51:15 -0400 Subject: [PATCH V8 5/9] vfio: platform: add extra debug info argument to call reset In-Reply-To: <1466437879-32182-1-git-send-email-okaya@codeaurora.org> References: <1466437879-32182-1-git-send-email-okaya@codeaurora.org> Message-ID: <1466437879-32182-6-git-send-email-okaya@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Getting ready to bring out extra debug information to the caller so that more verbose information can be printed when an error is observed. Signed-off-by: Sinan Kaya Reviewed-by: Baptiste Reynal --- drivers/vfio/platform/vfio_platform_common.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c index fbf4565..e7ce2c2 100644 --- a/drivers/vfio/platform/vfio_platform_common.c +++ b/drivers/vfio/platform/vfio_platform_common.c @@ -171,7 +171,8 @@ 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) +static int vfio_platform_call_reset(struct vfio_platform_device *vdev, + const char **extra_dbg) { if (vdev->of_reset) { dev_info(vdev->device, "reset\n"); @@ -189,7 +190,7 @@ static void vfio_platform_release(void *device_data) mutex_lock(&driver_lock); if (!(--vdev->refcnt)) { - vfio_platform_call_reset(vdev); + vfio_platform_call_reset(vdev, NULL); vfio_platform_regions_cleanup(vdev); vfio_platform_irq_cleanup(vdev); } @@ -218,7 +219,7 @@ static int vfio_platform_open(void *device_data) if (ret) goto err_irq; - vfio_platform_call_reset(vdev); + vfio_platform_call_reset(vdev, NULL); } vdev->refcnt++; @@ -350,7 +351,7 @@ static long vfio_platform_ioctl(void *device_data, return ret; } else if (cmd == VFIO_DEVICE_RESET) { - return vfio_platform_call_reset(vdev); + return vfio_platform_call_reset(vdev, NULL); } return -ENOTTY; -- 1.8.2.1