diff options
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/avs/smartreflex.c | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/drivers/power/avs/smartreflex.c b/drivers/power/avs/smartreflex.c index 89bf4d6cb486..cb0237143dbe 100644 --- a/drivers/power/avs/smartreflex.c +++ b/drivers/power/avs/smartreflex.c @@ -132,12 +132,16 @@ static void sr_set_clk_length(struct omap_sr *sr) struct clk *fck; u32 fclk_speed; - fck = clk_get(&sr->pdev->dev, "fck"); - + /* Try interconnect target module fck first if it already exists */ + fck = clk_get(sr->pdev->dev.parent, "fck"); if (IS_ERR(fck)) { - dev_err(&sr->pdev->dev, "%s: unable to get fck for device %s\n", - __func__, dev_name(&sr->pdev->dev)); - return; + fck = clk_get(&sr->pdev->dev, "fck"); + if (IS_ERR(fck)) { + dev_err(&sr->pdev->dev, + "%s: unable to get fck for device %s\n", + __func__, dev_name(&sr->pdev->dev)); + return; + } } fclk_speed = clk_get_rate(fck); @@ -838,7 +842,7 @@ static int omap_sr_autocomp_store(void *data, u64 val) DEFINE_SIMPLE_ATTRIBUTE(pm_sr_fops, omap_sr_autocomp_show, omap_sr_autocomp_store, "%llu\n"); -static int __init omap_sr_probe(struct platform_device *pdev) +static int omap_sr_probe(struct platform_device *pdev) { struct omap_sr *sr_info; struct omap_sr_data *pdata = pdev->dev.platform_data; @@ -898,6 +902,12 @@ static int __init omap_sr_probe(struct platform_device *pdev) list_add(&sr_info->node, &sr_list); + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) { + pm_runtime_put_noidle(&pdev->dev); + goto err_list_del; + } + /* * Call into late init to do initializations that require * both sr driver and sr class driver to be initiallized. @@ -966,12 +976,17 @@ static int __init omap_sr_probe(struct platform_device *pdev) } + pm_runtime_put_sync(&pdev->dev); + return ret; err_debugfs: debugfs_remove_recursive(sr_info->dbg_dir); err_list_del: list_del(&sr_info->node); + + pm_runtime_put_sync(&pdev->dev); + return ret; } @@ -1025,11 +1040,23 @@ static void omap_sr_shutdown(struct platform_device *pdev) return; } +static const struct of_device_id omap_sr_match[] = { + { .compatible = "ti,omap3-smartreflex-core", }, + { .compatible = "ti,omap3-smartreflex-mpu-iva", }, + { .compatible = "ti,omap4-smartreflex-core", }, + { .compatible = "ti,omap4-smartreflex-mpu", }, + { .compatible = "ti,omap4-smartreflex-iva", }, + { }, +}; +MODULE_DEVICE_TABLE(of, omap_sr_match); + static struct platform_driver smartreflex_driver = { + .probe = omap_sr_probe, .remove = omap_sr_remove, .shutdown = omap_sr_shutdown, .driver = { .name = DRIVER_NAME, + .of_match_table = omap_sr_match, }, }; @@ -1048,7 +1075,7 @@ static int __init sr_init(void) else pr_warn("%s: No PMIC hook to init smartreflex\n", __func__); - ret = platform_driver_probe(&smartreflex_driver, omap_sr_probe); + ret = platform_driver_register(&smartreflex_driver); if (ret) { pr_err("%s: platform driver register failed for SR\n", __func__); |