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Subject[PATCH] virtio-mmio: Use to_virtio_mmio_device() to simply code
Date
The file virtio_mmio.c has defined the function to_virtio_mmio_device,
so use it instead of container_of() to simply code. And remove
superfluous blank lines in this file.

Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
---
drivers/virtio/virtio_mmio.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
index 627ac0487..449d0f209 100644
--- a/drivers/virtio/virtio_mmio.c
+++ b/drivers/virtio/virtio_mmio.c
@@ -69,14 +69,10 @@
#include <uapi/linux/virtio_mmio.h>
#include <linux/virtio_ring.h>

-
-
/* The alignment to use between consumer and producer parts of vring.
* Currently hardcoded to the page size. */
#define VIRTIO_MMIO_VRING_ALIGN PAGE_SIZE

-
-
#define to_virtio_mmio_device(_plat_dev) \
container_of(_plat_dev, struct virtio_mmio_device, vdev)

@@ -100,8 +96,6 @@ struct virtio_mmio_vq_info {
struct list_head node;
};

-
-
/* Configuration interface */

static u64 vm_get_features(struct virtio_device *vdev)
@@ -264,8 +258,6 @@ static void vm_reset(struct virtio_device *vdev)
writel(0, vm_dev->base + VIRTIO_MMIO_STATUS);
}

-
-
/* Transport interface */

/* the notify function used when creating a virt queue */
@@ -307,8 +299,6 @@ static irqreturn_t vm_interrupt(int irq, void *opaque)
return ret;
}

-
-
static void vm_del_vq(struct virtqueue *vq)
{
struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vq->vdev);
@@ -512,13 +502,11 @@ static const struct virtio_config_ops virtio_mmio_config_ops = {
.bus_name = vm_bus_name,
};

-
static void virtio_mmio_release_dev(struct device *_d)
{
struct virtio_device *vdev =
container_of(_d, struct virtio_device, dev);
- struct virtio_mmio_device *vm_dev =
- container_of(vdev, struct virtio_mmio_device, vdev);
+ struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev);
struct platform_device *pdev = vm_dev->pdev;

devm_kfree(&pdev->dev, vm_dev);
@@ -608,8 +596,6 @@ static int virtio_mmio_remove(struct platform_device *pdev)
return 0;
}

-
-
/* Devices list parameter */

#if defined(CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES)
--
2.20.1.windows.1


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