static struct vchiq_device *bcm2835_audio;
static struct vchiq_device *bcm2835_camera;
-struct vchiq_drvdata {
- const unsigned int cache_line_size;
- struct rpi_firmware *fw;
-};
-
-static struct vchiq_drvdata bcm2835_drvdata = {
+static const struct vchiq_platform_info bcm2835_info = {
.cache_line_size = 32,
};
-static struct vchiq_drvdata bcm2836_drvdata = {
+static const struct vchiq_platform_info bcm2836_info = {
.cache_line_size = 64,
};
static int vchiq_platform_init(struct platform_device *pdev, struct vchiq_state *state)
{
struct device *dev = &pdev->dev;
- struct vchiq_drvdata *drvdata = platform_get_drvdata(pdev);
- struct rpi_firmware *fw = drvdata->fw;
+ struct vchiq_drv_mgmt *drv_mgmt = platform_get_drvdata(pdev);
+ struct rpi_firmware *fw = drv_mgmt->fw;
struct vchiq_slot_zero *vchiq_slot_zero;
void *slot_mem;
dma_addr_t slot_phys;
if (err < 0)
return err;
- g_cache_line_size = drvdata->cache_line_size;
+ g_cache_line_size = drv_mgmt->info->cache_line_size;
g_fragments_size = 2 * g_cache_line_size;
/* Allocate space for the channels in coherent memory */
}
static const struct of_device_id vchiq_of_match[] = {
- { .compatible = "brcm,bcm2835-vchiq", .data = &bcm2835_drvdata },
- { .compatible = "brcm,bcm2836-vchiq", .data = &bcm2836_drvdata },
+ { .compatible = "brcm,bcm2835-vchiq", .data = &bcm2835_info },
+ { .compatible = "brcm,bcm2836-vchiq", .data = &bcm2836_info },
{},
};
MODULE_DEVICE_TABLE(of, vchiq_of_match);
static int vchiq_probe(struct platform_device *pdev)
{
struct device_node *fw_node;
- const struct of_device_id *of_id;
- struct vchiq_drvdata *drvdata;
+ const struct vchiq_platform_info *info;
+ struct vchiq_drv_mgmt *mgmt;
int err;
- of_id = of_match_node(vchiq_of_match, pdev->dev.of_node);
- drvdata = (struct vchiq_drvdata *)of_id->data;
- if (!drvdata)
+ info = of_device_get_match_data(&pdev->dev);
+ if (!info)
return -EINVAL;
fw_node = of_find_compatible_node(NULL, NULL,
return -ENOENT;
}
- drvdata->fw = devm_rpi_firmware_get(&pdev->dev, fw_node);
+ mgmt = kzalloc(sizeof(*mgmt), GFP_KERNEL);
+ if (!mgmt)
+ return -ENOMEM;
+
+ mgmt->fw = devm_rpi_firmware_get(&pdev->dev, fw_node);
of_node_put(fw_node);
- if (!drvdata->fw)
+ if (!mgmt->fw)
return -EPROBE_DEFER;
- platform_set_drvdata(pdev, drvdata);
+ mgmt->info = info;
+ platform_set_drvdata(pdev, mgmt);
err = vchiq_platform_init(pdev, &g_state);
if (err)
static void vchiq_remove(struct platform_device *pdev)
{
+ struct vchiq_drv_mgmt *mgmt = dev_get_drvdata(&pdev->dev);
+
vchiq_device_unregister(bcm2835_audio);
vchiq_device_unregister(bcm2835_camera);
vchiq_debugfs_deinit();
vchiq_deregister_chrdev();
+
+ kfree(mgmt);
}
static struct platform_driver vchiq_driver = {