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From: Pierre Yves MORDRET <pierre-yves.mordret@st.com>
To: Vinod Koul <vkoul@kernel.org>
Cc: Dan Williams <dan.j.williams@intel.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@st.com>,
	dmaengine@vger.kernel.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [v2] dmaengine: stm32-mdma: Revert "Add a check on read_u32_array"
Date: Tue, 26 Mar 2019 09:55:00 +0100	[thread overview]
Message-ID: <8a28e0d8-93d6-3cb7-a53a-26017aa89e16@st.com> (raw)

On 3/25/19 5:28 PM, Vinod Koul wrote:
> On 25-03-19, 17:21, Pierre-Yves MORDRET wrote:
>> This reverts commit 906b40b246b0 ("Add a check on read_u32_array")
> 
> This and patch title should contain:
> 906b40b246b0 ("dmaengine: stm32-mdma: Add a check on read_u32_array")
> 
> I have fixed it up and applied.

Darn it, sorry.
Many thanks btw :)

> 
> Thanks
> 
>> As stated by bindings "st,ahb-addr-masks" is optional.
>> The statement inserted by this commit makes this property
>> mandatory and prevents MDMA to be probed in case property not present.
>>
>> Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
>> ---
>>   Version history:
>>     v2:
>>        * review commit message
>>     v1:
>>        * Initial
>> ---
>> ---
>>  drivers/dma/stm32-mdma.c | 4 +---
>>  1 file changed, 1 insertion(+), 3 deletions(-)
>>
>> diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c
>> index 4e0eede..ac0301b 100644
>> --- a/drivers/dma/stm32-mdma.c
>> +++ b/drivers/dma/stm32-mdma.c
>> @@ -1578,11 +1578,9 @@ static int stm32_mdma_probe(struct platform_device *pdev)
>>  
>>  	dmadev->nr_channels = nr_channels;
>>  	dmadev->nr_requests = nr_requests;
>> -	ret = device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks",
>> +	device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks",
>>  				       dmadev->ahb_addr_masks,
>>  				       count);
>> -	if (ret)
>> -		return ret;
>>  	dmadev->nr_ahb_addr_masks = count;
>>  
>>  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> -- 
>> 2.7.4
>

WARNING: multiple messages have this Message-ID (diff)
From: Pierre Yves MORDRET <pierre-yves.mordret@st.com>
To: Vinod Koul <vkoul@kernel.org>
Cc: Dan Williams <dan.j.williams@intel.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@st.com>,
	<dmaengine@vger.kernel.org>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] dmaengine: stm32-mdma: Revert "Add a check on read_u32_array"
Date: Tue, 26 Mar 2019 09:55:00 +0100	[thread overview]
Message-ID: <8a28e0d8-93d6-3cb7-a53a-26017aa89e16@st.com> (raw)
In-Reply-To: <20190325162849.GS5348@vkoul-mobl>



On 3/25/19 5:28 PM, Vinod Koul wrote:
> On 25-03-19, 17:21, Pierre-Yves MORDRET wrote:
>> This reverts commit 906b40b246b0 ("Add a check on read_u32_array")
> 
> This and patch title should contain:
> 906b40b246b0 ("dmaengine: stm32-mdma: Add a check on read_u32_array")
> 
> I have fixed it up and applied.

Darn it, sorry.
Many thanks btw :)

> 
> Thanks
> 
>> As stated by bindings "st,ahb-addr-masks" is optional.
>> The statement inserted by this commit makes this property
>> mandatory and prevents MDMA to be probed in case property not present.
>>
>> Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
>> ---
>>   Version history:
>>     v2:
>>        * review commit message
>>     v1:
>>        * Initial
>> ---
>> ---
>>  drivers/dma/stm32-mdma.c | 4 +---
>>  1 file changed, 1 insertion(+), 3 deletions(-)
>>
>> diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c
>> index 4e0eede..ac0301b 100644
>> --- a/drivers/dma/stm32-mdma.c
>> +++ b/drivers/dma/stm32-mdma.c
>> @@ -1578,11 +1578,9 @@ static int stm32_mdma_probe(struct platform_device *pdev)
>>  
>>  	dmadev->nr_channels = nr_channels;
>>  	dmadev->nr_requests = nr_requests;
>> -	ret = device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks",
>> +	device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks",
>>  				       dmadev->ahb_addr_masks,
>>  				       count);
>> -	if (ret)
>> -		return ret;
>>  	dmadev->nr_ahb_addr_masks = count;
>>  
>>  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> -- 
>> 2.7.4
> 

WARNING: multiple messages have this Message-ID (diff)
From: Pierre Yves MORDRET <pierre-yves.mordret@st.com>
To: Vinod Koul <vkoul@kernel.org>
Cc: Alexandre Torgue <alexandre.torgue@st.com>,
	linux-kernel@vger.kernel.org,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	dmaengine@vger.kernel.org,
	Dan Williams <dan.j.williams@intel.com>,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2] dmaengine: stm32-mdma: Revert "Add a check on read_u32_array"
Date: Tue, 26 Mar 2019 09:55:00 +0100	[thread overview]
Message-ID: <8a28e0d8-93d6-3cb7-a53a-26017aa89e16@st.com> (raw)
In-Reply-To: <20190325162849.GS5348@vkoul-mobl>



On 3/25/19 5:28 PM, Vinod Koul wrote:
> On 25-03-19, 17:21, Pierre-Yves MORDRET wrote:
>> This reverts commit 906b40b246b0 ("Add a check on read_u32_array")
> 
> This and patch title should contain:
> 906b40b246b0 ("dmaengine: stm32-mdma: Add a check on read_u32_array")
> 
> I have fixed it up and applied.

Darn it, sorry.
Many thanks btw :)

> 
> Thanks
> 
>> As stated by bindings "st,ahb-addr-masks" is optional.
>> The statement inserted by this commit makes this property
>> mandatory and prevents MDMA to be probed in case property not present.
>>
>> Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
>> ---
>>   Version history:
>>     v2:
>>        * review commit message
>>     v1:
>>        * Initial
>> ---
>> ---
>>  drivers/dma/stm32-mdma.c | 4 +---
>>  1 file changed, 1 insertion(+), 3 deletions(-)
>>
>> diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c
>> index 4e0eede..ac0301b 100644
>> --- a/drivers/dma/stm32-mdma.c
>> +++ b/drivers/dma/stm32-mdma.c
>> @@ -1578,11 +1578,9 @@ static int stm32_mdma_probe(struct platform_device *pdev)
>>  
>>  	dmadev->nr_channels = nr_channels;
>>  	dmadev->nr_requests = nr_requests;
>> -	ret = device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks",
>> +	device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks",
>>  				       dmadev->ahb_addr_masks,
>>  				       count);
>> -	if (ret)
>> -		return ret;
>>  	dmadev->nr_ahb_addr_masks = count;
>>  
>>  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> -- 
>> 2.7.4
> 

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             reply	other threads:[~2019-03-26  8:55 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-26  8:55 Pierre Yves MORDRET [this message]
2019-03-26  8:55 ` [PATCH v2] dmaengine: stm32-mdma: Revert "Add a check on read_u32_array" Pierre Yves MORDRET
2019-03-26  8:55 ` Pierre Yves MORDRET
  -- strict thread matches above, loose matches on Subject: below --
2019-03-25 16:28 [v2] " Vinod Koul
2019-03-25 16:28 ` [PATCH v2] " Vinod Koul
2019-03-25 16:28 ` Vinod Koul
2019-03-25 16:21 [v2] " Pierre Yves MORDRET
2019-03-25 16:21 ` [PATCH v2] " Pierre-Yves MORDRET
2019-03-25 16:21 ` Pierre-Yves MORDRET

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