From: Felipe Balbi <balbi@kernel.org>
To: Stefan Wahren <stefan.wahren@i2se.com>,
John Youn <johnyoun@synopsys.com>
Cc: Gevorg Sahakyan <gevorg.sahakyan@synopsys.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Minas Harutyunyan <minas.harutyunyan@synopsys.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: usb: dwc2: Print error if unable to set DMA coherent mask
Date: Fri, 09 Mar 2018 11:10:08 +0200 [thread overview]
Message-ID: <87sh99aa33.fsf@linux.intel.com> (raw)
Stefan Wahren <stefan.wahren@i2se.com> writes:
>> Stefan Wahren <stefan.wahren@i2se.com> hat am 12. Februar 2018 um 21:20 geschrieben:
>>
>>
>> We better print an error in case probing of dwc2 fails on
>> setting the DMA coherent mask.
>>
>> Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
>> ---
>> drivers/usb/dwc2/platform.c | 4 +++-
>> 1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
>> index 4703478..4ddbdbd 100644
>> --- a/drivers/usb/dwc2/platform.c
>> +++ b/drivers/usb/dwc2/platform.c
>> @@ -382,8 +382,10 @@ static int dwc2_driver_probe(struct platform_device *dev)
>> if (!dev->dev.dma_mask)
>> dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
>> retval = dma_set_coherent_mask(&dev->dev, DMA_BIT_MASK(32));
>> - if (retval)
>> + if (retval) {
>> + dev_err(&dev->dev, "can't set coherent DMA mask: %d\n", retval);
>> return retval;
>> + }
>>
>> res = platform_get_resource(dev, IORESOURCE_MEM, 0);
>> hsotg->regs = devm_ioremap_resource(&dev->dev, res);
>> --
>> 2.7.4
>>
>
> ping ...
https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git/commit/?h=testing/next&id=57b1d49d4b9c6cde9fbe95c1a211b6bbea61c6fc
next reply other threads:[~2018-03-09 9:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-09 9:10 Felipe Balbi [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-03-08 17:31 usb: dwc2: Print error if unable to set DMA coherent mask Stefan Wahren
2018-02-12 20:20 Stefan Wahren
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