linux-kernel - Re: [PATCH v2 2/8] spi: imx: replace fixed timeout with calculated one

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Message-ID: <04376A3D786BD947B28569C998A374A62E280DF4@NA-MBX-02.mgc.mentorg.com>
Date:	Thu, 1 Oct 2015 00:08:59 +0000
From:	"Bondarenko, Anton" <Anton_Bondarenko@...tor.com>
To:	Robin Gong <b38343@...escale.com>
CC:	"broonie@...nel.org" <broonie@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"Wang, Jiada (ESD)" <Jiada_Wang@...tor.com>,
	"Zapolskiy, Vladimir" <Vladimir_Zapolskiy@...tor.com>
Subject: Re: [PATCH v2 2/8] spi: imx: replace fixed timeout with calculated
 one

On 30.09.2015 10:31, Robin Gong wrote:
> On Fri, Sep 25, 2015 at 07:57:09PM +0200, Anton Bondarenko wrote:
>> @@ -957,8 +988,10 @@ static int spi_imx_dma_transfer(struct spi_imx_data *spi_imx,
>>  		dmaengine_terminate_all(master->dma_tx);
>>  		dmaengine_terminate_all(master->dma_rx);
>>  	} else {
>> +		transfer_timeout = spi_imx_calculate_timeout(spi_imx,
>> +							     spi_imx->wml * 2);
> *2 again here? Although spi_imx_calculate_timeout has double it.
WIll be fixed in V3
>>  		timeout = wait_for_completion_timeout(
>> -				&spi_imx->dma_rx_completion, IMX_DMA_TIMEOUT);
>> +				&spi_imx->dma_rx_completion, transfer_timeout);
>>  		if (!timeout) {
>>  			pr_warn("%s %s: I/O Error in DMA RX\n",
>>  				dev_driver_string(&master->dev),
--
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