static int __devexit omap34_xx_bridge_remove(struct platform_device *pdev)
{
dev_t devno;
bool ret;
int status = 0;
bhandle hdrv_obj = NULL;
status = cfg_get_object((u32 *) &hdrv_obj, REG_DRV_OBJECT);
if (DSP_FAILED(status))
goto func_cont;
#ifdef CONFIG_BRIDGE_DVFS
if (cpufreq_unregister_notifier(&iva_clk_notifier,
CPUFREQ_TRANSITION_NOTIFIER))
pr_err("%s: clk_notifier_unregister failed for iva2_ck\n",
__func__);
#endif /* #ifdef CONFIG_BRIDGE_DVFS */
if (driver_context) {
/* Put the DSP in reset state */
ret = dsp_deinit(driver_context);
driver_context = 0;
DBC_ASSERT(ret == true);
}
#ifdef CONFIG_BRIDGE_DVFS
clk_put(clk_handle);
clk_handle = NULL;
#endif /* #ifdef CONFIG_BRIDGE_DVFS */
func_cont:
mem_ext_phys_pool_release();
services_exit();
bridge_destroy_sysfs();
devno = MKDEV(driver_major, 0);
cdev_del(&bridge_cdev);
unregister_chrdev_region(devno, 1);
if (bridge_class) {
/* remove the device from sysfs */
device_destroy(bridge_class, MKDEV(driver_major, 0));
class_destroy(bridge_class);
}
return 0;
}
static int __devexit omap34_xx_bridge_remove(struct platform_device *pdev)
{
dev_t devno;
int status = 0;
struct drv_data *drv_datap = dev_get_drvdata(bridge);
if (!drv_datap || !drv_datap->drv_object) {
status = -ENODATA;
pr_err("%s: Failed to retrieve the object handle\n", __func__);
goto func_cont;
}
#ifdef CONFIG_TIDSPBRIDGE_DVFS
if (cpufreq_unregister_notifier(&iva_clk_notifier,
CPUFREQ_TRANSITION_NOTIFIER))
pr_err("%s: cpufreq_unregister_notifier failed for iva2_ck\n",
__func__);
#endif
if (driver_context) {
dsp_deinit(driver_context);
driver_context = 0;
}
kfree(drv_datap);
dev_set_drvdata(bridge, NULL);
func_cont:
mem_ext_phys_pool_release();
dsp_clk_exit();
devno = MKDEV(driver_major, 0);
cdev_del(&bridge_cdev);
unregister_chrdev_region(devno, 1);
if (bridge_class) {
device_destroy(bridge_class, MKDEV(driver_major, 0));
class_destroy(bridge_class);
}
return 0;
}
static int omap3_bridge_startup(struct platform_device *pdev)
{
struct omap_dsp_platform_data *pdata = pdev->dev.platform_data;
struct drv_data *drv_datap = NULL;
u32 phys_membase, phys_memsize;
int err;
#ifdef CONFIG_TIDSPBRIDGE_RECOVERY
bridge_rec_queue = create_workqueue("bridge_rec_queue");
INIT_WORK(&bridge_recovery_work, bridge_recover);
INIT_COMPLETION(bridge_comp);
#endif
#ifdef CONFIG_PM
bridge_suspend_data.suspended = 0;
init_waitqueue_head(&bridge_suspend_data.suspend_wq);
#ifdef CONFIG_TIDSPBRIDGE_DVFS
for (i = 0; i < 6; i++)
pdata->mpu_speed[i] = vdd1_rate_table_bridge[i].rate;
err = cpufreq_register_notifier(&iva_clk_notifier,
CPUFREQ_TRANSITION_NOTIFIER);
if (err)
pr_err("%s: clk_notifier_register failed for iva2_ck\n",
__func__);
#endif
#endif
dsp_clk_init();
drv_datap = kzalloc(sizeof(struct drv_data), GFP_KERNEL);
if (!drv_datap) {
err = -ENOMEM;
goto err1;
}
drv_datap->shm_size = shm_size;
drv_datap->tc_wordswapon = tc_wordswapon;
if (base_img) {
drv_datap->base_img = kmalloc(strlen(base_img) + 1, GFP_KERNEL);
if (!drv_datap->base_img) {
err = -ENOMEM;
goto err2;
}
strncpy(drv_datap->base_img, base_img, strlen(base_img) + 1);
}
dev_set_drvdata(bridge, drv_datap);
if (shm_size < 0x10000) {
err = -EINVAL;
pr_err("%s: shm size must be at least 64 KB\n", __func__);
goto err3;
}
dev_dbg(bridge, "%s: requested shm_size = 0x%x\n", __func__, shm_size);
phys_membase = pdata->phys_mempool_base;
phys_memsize = pdata->phys_mempool_size;
if (phys_membase > 0 && phys_memsize > 0)
mem_ext_phys_pool_init(phys_membase, phys_memsize);
if (tc_wordswapon)
dev_dbg(bridge, "%s: TC Word Swap is enabled\n", __func__);
driver_context = dsp_init(&err);
if (err) {
pr_err("DSP Bridge driver initialization failed\n");
goto err4;
}
return 0;
err4:
mem_ext_phys_pool_release();
err3:
kfree(drv_datap->base_img);
err2:
kfree(drv_datap);
err1:
#ifdef CONFIG_TIDSPBRIDGE_DVFS
cpufreq_unregister_notifier(&iva_clk_notifier,
CPUFREQ_TRANSITION_NOTIFIER);
#endif
dsp_clk_exit();
return err;
}