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From: Mathieu Poirier <mathieu.poirier@linaro.org>
To: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org, linux-kernel@vger.kernel.org,
	linux-acpi@vger.kernel.org, robert.walker@arm.com,
	linux-arm-kernel@lists.infradead.org, mike.leach@linaro.org
Subject: Re: [PATCH 10/25] coresight: tpiu: Clean up device specific data
Date: Tue, 26 Mar 2019 15:54:40 -0600	[thread overview]
Message-ID: <20190326215440.GB1658@xps15> (raw)
In-Reply-To: <1553107783-3340-11-git-send-email-suzuki.poulose@arm.com>

On Wed, Mar 20, 2019 at 06:49:27PM +0000, Suzuki K Poulose wrote:
> Switch to using the coresight device instead of the parent
> amba device.
> 
> Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> ---
>  drivers/hwtracing/coresight/coresight-tpiu.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtracing/coresight/coresight-tpiu.c
> index b2f72a1..9763721 100644
> --- a/drivers/hwtracing/coresight/coresight-tpiu.c
> +++ b/drivers/hwtracing/coresight/coresight-tpiu.c
> @@ -48,15 +48,13 @@
>  
>  /**
>   * @base:	memory mapped base address for this component.
> - * @dev:	the device entity associated to this component.
> + * @dev:	the coresight device entity associated to this component.
>   * @atclk:	optional clock for the core parts of the TPIU.
> - * @csdev:	component vitals needed by the framework.
>   */
>  struct tpiu_drvdata {
>  	void __iomem		*base;
>  	struct device		*dev;
>  	struct clk		*atclk;
> -	struct coresight_device	*csdev;

Here again I would get rid of @dev rather than @csdev to be consistent with what
was done previously.

Mathieu

>  };
>  
>  static void tpiu_enable_hw(struct tpiu_drvdata *drvdata)
> @@ -121,6 +119,7 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id)
>  	struct tpiu_drvdata *drvdata;
>  	struct resource *res = &adev->res;
>  	struct coresight_desc desc = { 0 };
> +	struct coresight_device *csdev;
>  	struct device_node *np = adev->dev.of_node;
>  
>  	if (np) {
> @@ -134,7 +133,6 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id)
>  	if (!drvdata)
>  		return -ENOMEM;
>  
> -	drvdata->dev = &adev->dev;
>  	drvdata->atclk = devm_clk_get(&adev->dev, "atclk"); /* optional */
>  	if (!IS_ERR(drvdata->atclk)) {
>  		ret = clk_prepare_enable(drvdata->atclk);
> @@ -160,9 +158,11 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id)
>  	desc.ops = &tpiu_cs_ops;
>  	desc.pdata = pdata;
>  	desc.dev = dev;
> -	drvdata->csdev = coresight_register(&desc);
> +	csdev = coresight_register(&desc);
> +	if (!IS_ERR(csdev))
> +		drvdata->dev = &csdev->dev;
>  
> -	return PTR_ERR_OR_ZERO(drvdata->csdev);
> +	return PTR_ERR_OR_ZERO(csdev);
>  }
>  
>  #ifdef CONFIG_PM
> -- 
> 2.7.4
> 

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  reply	other threads:[~2019-03-26 21:54 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-20 18:49 [PATCH 00/25] coresight: Support for ACPI bindings Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 01/25] coresight: tmc: Report DMA setup failures Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 02/25] coresight: dynamic-replicator: Clean up error handling Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 03/25] coresight: replicator: Prepare for merging with dynamic-replicator Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 04/25] coresight: dynamic-replicator: Prepare for merging with static replicator Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 05/25] coresight: Merge the static and dynamic replicator drivers Suzuki K Poulose
2019-03-27 15:27   ` Mathieu Poirier
2019-03-27 17:33     ` Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 06/25] coresight: funnel: Clean up device book keeping Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 07/25] coresight: replicator: Cleanup device tracking Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 08/25] coresight: tmc: Clean up device specific data Suzuki K Poulose
2019-03-26 21:53   ` Mathieu Poirier
2019-03-27 11:45     ` Suzuki K Poulose
2019-03-27 14:42     ` Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 09/25] coresight: catu: Cleanup " Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 10/25] coresight: tpiu: Clean up " Suzuki K Poulose
2019-03-26 21:54   ` Mathieu Poirier [this message]
2019-03-27 11:52     ` Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 11/25] coresight: stm: Cleanup " Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 12/25] coresight: etm: Clean up " Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 13/25] coresight: etb10: " Suzuki K Poulose
2019-03-27 21:39   ` Mathieu Poirier
2019-03-28 11:09     ` Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 14/25] coresight: Rename of_coresight to coresight-platform Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 15/25] coresight: etm3x: Rearrange cp14 access detection Suzuki K Poulose
2019-03-27 22:05   ` Mathieu Poirier
2019-03-28 11:03     ` Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 16/25] coresight: stm: Rearrange probing the stimulus area Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 17/25] coresight: tmc-etr: Rearrange probing default buffer size Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 18/25] coresight: Introduce generic platform data helper Suzuki K Poulose
2019-03-27 22:57   ` Mathieu Poirier
2019-03-28 10:59     ` Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 19/25] coresight: Make device to CPU mapping generic Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 20/25] coresight: platform: Use fwnode handle for device search Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 21/25] coresight: Use fwnode handle instead of device names Suzuki K Poulose
2019-03-28 17:42   ` Mathieu Poirier
2019-03-28 18:42     ` Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 22/25] coresight: Use platform agnostic names Suzuki K Poulose
2019-03-28 19:43   ` Mathieu Poirier
2019-03-20 18:49 ` [PATCH 23/25] coresight: stm: ACPI support for parsing stimulus base Suzuki K Poulose
2019-03-28 20:41   ` Mathieu Poirier
2019-04-04 11:27     ` Suzuki K Poulose
2019-03-20 18:49 ` [PATCH 24/25] coresight: Support for ACPI bindings Suzuki K Poulose
2019-03-29 19:09   ` Mathieu Poirier
2019-03-20 18:49 ` [PATCH 25/25] coresight: acpi: Support for components Suzuki K Poulose
2019-03-20 18:49 ` [TEST PATCH 26/25] edk2-platform: juno: Update ACPI CoreSight Bindings Suzuki K Poulose
2019-03-22 10:13 ` [PATCH 00/25] coresight: Support for ACPI bindings Suzuki K Poulose

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