Re: [PATCH v10 14/24] coresight: allow funnel driver to be built as module

[Tingwei Zhang]

On Sun, Sep 13, 2020 at 09:24:52PM +0800, Suzuki K Poulose wrote:
> On 08/21/2020 04:44 AM, Tingwei Zhang wrote:
> >From: Kim Phillips <kim.phillips@xxxxxxx>
> >
> >Allow to build coresight-funnel as module, for ease of development.
> >
> >- combine static and dynamic funnel init into single
> >   module_init/exit call
> >- add funnel_remove functions, for module unload
> >- add a MODULE_DEVICE_TABLE for autoloading on boot
> >
> >Cc: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
> >Cc: Leo Yan <leo.yan@xxxxxxxxxx>
> >Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
> >Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> >Cc: Suzuki K Poulose <Suzuki.Poulose@xxxxxxx>
> >Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> >Cc: Russell King <linux@xxxxxxxxxxxxxxx>
> >Co-developed-by: Mian Yousaf Kaukab <ykaukab@xxxxxxx>
> >Signed-off-by: Mian Yousaf Kaukab <ykaukab@xxxxxxx>
> >Signed-off-by: Kim Phillips <kim.phillips@xxxxxxx>
> >Signed-off-by: Tingwei Zhang <tingwei@xxxxxxxxxxxxxx>
> >Reported-by: kernel test robot <lkp@xxxxxxxxx>
> >Tested-by: Mike Leach <mike.leach@xxxxxxxxxx>
> >Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
> >---
> >  .../hwtracing/coresight/coresight-funnel.c    | 64 ++++++++++++++++++-
> >  1 file changed, 62 insertions(+), 2 deletions(-)
> >
> >diff --git a/drivers/hwtracing/coresight/coresight-funnel.c
> b/drivers/hwtracing/coresight/coresight-funnel.c
> >index 900690a9f7f0..07bc20391fac 100644
> >--- a/drivers/hwtracing/coresight/coresight-funnel.c
> >+++ b/drivers/hwtracing/coresight/coresight-funnel.c
> >@@ -274,6 +274,15 @@ static int funnel_probe(struct device *dev, struct
> resource *res)
> >  	return ret;
> >  }
> >+static int __exit funnel_remove(struct device *dev)
> >+{
> >+	struct funnel_drvdata *drvdata = dev_get_drvdata(dev);
> >+
> >+	coresight_unregister(drvdata->csdev);
> >+
> >+	return 0;
> >+}
> >+
> >  #ifdef CONFIG_PM
> >  static int funnel_runtime_suspend(struct device *dev)
> >  {
> >@@ -319,20 +328,32 @@ static int static_funnel_probe(struct
> platform_device *pdev)
> >  	return ret;
> >  }
> >+static int __exit static_funnel_remove(struct platform_device *pdev)
> >+{
> >+	funnel_remove(&pdev->dev);
> >+	pm_runtime_disable(&pdev->dev);
> >+	return 0;
> >+}
> >+
> >  static const struct of_device_id static_funnel_match[] = {
> >  	{.compatible = "arm,coresight-static-funnel"},
> >  	{}
> >  };
> >+MODULE_DEVICE_TABLE(of, static_funnel_match);
> >+
> >  #ifdef CONFIG_ACPI
> >  static const struct acpi_device_id static_funnel_ids[] = {
> >  	{"ARMHC9FE", 0},
> >  	{},
> >  };
> >+
> >+MODULE_DEVICE_TABLE(acpi, static_funnel_ids);
> >  #endif
> >  static struct platform_driver static_funnel_driver = {
> >  	.probe          = static_funnel_probe,
> >+	.remove          = static_funnel_remove,
> >  	.driver         = {
> >  		.name   = "coresight-static-funnel",
> >  		.of_match_table = static_funnel_match,
> 
> Sorry missed this. Please set the owner field here. With that :
> 
> Reviewed-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
>
Thanks, Suzuki. I'll add owner in v11.

Thanks,
Tingwei 
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