samsung-sm8650/android_kernel_samsung_sm8650-modules
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mmrm: Implement debugfs and logging levels

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Use debug_level file in debugfs to set
logging level.

Change-Id: I1e378437039ceb59c44ff51f4eb6240804aa5f53
This commit is contained in:
Sebastian Dang
2020-11-04 14:32:30 -08:00
parent d46ec8fb1a
commit b0855d507d
5 changed files with 187 additions and 37 deletions
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17
driver/src/msm_mmrm.c
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@@ -218,6 +218,7 @@ static int msm_mmrm_probe_init(struct platform_device *pdev)
int rc = 0;
d_mpr_h("%s: entering\n", __func__);
drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL);
if (!drv_data) {
d_mpr_e("%s: unable to allocate memory for mmrm driver\n",
@@ -234,6 +235,10 @@ static int msm_mmrm_probe_init(struct platform_device *pdev)
goto err_get_drv_data;
}
drv_data->debugfs_root = msm_mmrm_debugfs_init();
if (!drv_data->debugfs_root)
d_mpr_e("%s: failed to create debugfs for mmrm\n", __func__);
dev_set_drvdata(&pdev->dev, drv_data);
rc = mmrm_read_platform_resources(pdev, drv_data);
@@ -251,15 +256,16 @@ static int msm_mmrm_probe_init(struct platform_device *pdev)
}
d_mpr_h("%s: exiting with success\n", __func__);
return rc;
err_mmrm_init:
msm_mmrm_debugfs_deinit(drv_data->debugfs_root);
err_read_pltfrm_rsc:
mmrm_free_platform_resources(drv_data);
err_get_drv_data:
RESET_DRV_DATA(drv_data);
err_no_mem:
d_mpr_h("%s: error exit\n", __func__);
return rc;
}
@@ -275,10 +281,10 @@ static int msm_mmrm_probe(struct platform_device *pdev)
return msm_mmrm_probe_init(pdev);
d_mpr_h("%s: exiting: no compatible device node\n", __func__);
return rc;
err_exit:
d_mpr_h("%s: error exit\n", __func__);
return rc;
}
@@ -294,14 +300,17 @@ static int msm_mmrm_remove(struct platform_device *pdev)
return -EINVAL;
}
msm_mmrm_debugfs_deinit(drv_data->debugfs_root);
mmrm_deinit(drv_data);
mmrm_free_platform_resources(drv_data);
dev_set_drvdata(&pdev->dev, NULL);
RESET_DRV_DATA(drv_data);
d_mpr_h("%s: exiting with success\n", __func__);
return rc;
err_exit:
d_mpr_h("%s: error exit\n", __func__);
return rc;
}
@@ -310,7 +319,7 @@ static const struct of_device_id msm_mmrm_dt_match[] = {
{}
};
MODULE_DEVICE_TABLE(of, msm_mmrm_of_match);
MODULE_DEVICE_TABLE(of, msm_mmrm_dt_match);
static struct platform_driver msm_mmrm_driver = {
.probe = msm_mmrm_probe,
@@ -335,10 +344,10 @@ static int __init msm_mmrm_init(void)
}
d_mpr_h("%s: exiting\n", __func__);
return rc;
err_platform_drv_reg:
d_mpr_h("%s: error exit\n", __func__);
return rc;
}