diff options
| -rw-r--r-- | drivers/media/platform/s5p-fimc/fimc-mdevice.c | 18 | ||||
| -rw-r--r-- | drivers/media/platform/s5p-fimc/fimc-mdevice.h | 2 |
2 files changed, 12 insertions, 8 deletions
diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/drivers/media/platform/s5p-fimc/fimc-mdevice.c index 1f29f51..e7164ce 100644 --- a/drivers/media/platform/s5p-fimc/fimc-mdevice.c +++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.c @@ -509,7 +509,6 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd) { struct s5p_platform_fimc *pdata = fmd->pdev->dev.platform_data; struct device_node *of_node = fmd->pdev->dev.of_node; - struct fimc_dev *fd = NULL; int num_clients = 0; int ret, i; @@ -517,13 +516,10 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd) * Runtime resume one of the FIMC entities to make sure * the sclk_cam clocks are not globally disabled. */ - for (i = 0; !fd && i < ARRAY_SIZE(fmd->fimc); i++) - if (fmd->fimc[i]) - fd = fmd->fimc[i]; - if (!fd) + if (!fmd->pmf) return -ENXIO; - ret = pm_runtime_get_sync(&fd->pdev->dev); + ret = pm_runtime_get_sync(fmd->pmf); if (ret < 0) return ret; @@ -557,7 +553,7 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd) } } - pm_runtime_put(&fd->pdev->dev); + pm_runtime_put(fmd->pmf); return ret; } @@ -602,6 +598,8 @@ static int register_fimc_entity(struct fimc_md *fmd, struct fimc_dev *fimc) ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd); if (!ret) { + if (!fmd->pmf && fimc->pdev) + fmd->pmf = &fimc->pdev->dev; fmd->fimc[fimc->id] = fimc; fimc->vid_cap.user_subdev_api = fmd->user_subdev_api; } else { @@ -1085,7 +1083,7 @@ static int __fimc_md_set_camclk(struct fimc_md *fmd, struct fimc_camclk_info *camclk; int ret = 0; - if (WARN_ON(pdata->clk_id >= FIMC_MAX_CAMCLKS) || fmd == NULL) + if (WARN_ON(pdata->clk_id >= FIMC_MAX_CAMCLKS) || !fmd || !fmd->pmf) return -EINVAL; camclk = &fmd->camclk[pdata->clk_id]; @@ -1101,6 +1099,9 @@ static int __fimc_md_set_camclk(struct fimc_md *fmd, if (camclk->use_count++ == 0) { clk_set_rate(camclk->clock, pdata->clk_frequency); camclk->frequency = pdata->clk_frequency; + ret = pm_runtime_get_sync(fmd->pmf); + if (ret < 0) + return ret; ret = clk_enable(camclk->clock); dbg("Enabled camclk %d: f: %lu", pdata->clk_id, clk_get_rate(camclk->clock)); @@ -1113,6 +1114,7 @@ static int __fimc_md_set_camclk(struct fimc_md *fmd, if (--camclk->use_count == 0) { clk_disable(camclk->clock); + pm_runtime_put(fmd->pmf); dbg("Disabled camclk %d", pdata->clk_id); } return ret; diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.h b/drivers/media/platform/s5p-fimc/fimc-mdevice.h index 46f3b82..1d5cea5 100644 --- a/drivers/media/platform/s5p-fimc/fimc-mdevice.h +++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.h @@ -81,6 +81,7 @@ struct fimc_sensor_info { * @camclk: external sensor clock information * @fimc: array of registered fimc devices * @use_isp: set to true when FIMC-IS subsystem is used + * @pmf: handle to the CAMCLK clock control FIMC helper device * @media_dev: top level media device * @v4l2_dev: top level v4l2_device holding up the subdevs * @pdev: platform device this media device is hooked up into @@ -99,6 +100,7 @@ struct fimc_md { struct fimc_lite *fimc_lite[FIMC_LITE_MAX_DEVS]; struct fimc_dev *fimc[FIMC_MAX_DEVS]; bool use_isp; + struct device *pmf; struct media_device media_dev; struct v4l2_device v4l2_dev; struct platform_device *pdev; |