Re: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-08-06 Thread Lucas Stach
> dan.j.willi...@intel.com; s.ha...@pengutronix.de; li...@armlinux.or > > g.uk > > Cc: dmaeng...@vger.kernel.org; dl-linux-imx ; > > ker...@pengutronix.de; linux-arm-ker...@lists.infradead.org; > > linux-kernel@vger.kernel.org > > Subject: RE: [PATCH v3 3/3]

Re: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-08-06 Thread Lucas Stach
> dan.j.willi...@intel.com; s.ha...@pengutronix.de; li...@armlinux.or > > g.uk > > Cc: dmaeng...@vger.kernel.org; dl-linux-imx ; > > ker...@pengutronix.de; linux-arm-ker...@lists.infradead.org; > > linux-kernel@vger.kernel.org > > Subject: RE: [PATCH v3 3/3]

RE: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-08-06 Thread Robin Gong
-linux-imx ; > ker...@pengutronix.de; linux-arm-ker...@lists.infradead.org; > linux-kernel@vger.kernel.org > Subject: RE: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one > transfer > > > -Original Message- > > From: Lucas Stach [mailto:l.st...@pengutronix

RE: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-08-06 Thread Robin Gong
-linux-imx ; > ker...@pengutronix.de; linux-arm-ker...@lists.infradead.org; > linux-kernel@vger.kernel.org > Subject: RE: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one > transfer > > > -Original Message- > > From: Lucas Stach [mailto:l.st...@pengutronix

RE: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-07-24 Thread Robin Gong
pengutronix.de; linux-arm-ker...@lists.infradead.org; > linux-kernel@vger.kernel.org > Subject: Re: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one > transfer > > Am Montag, den 23.07.2018, 13:55 + schrieb Robin Gong: > > > -Original Mess

RE: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-07-24 Thread Robin Gong
pengutronix.de; linux-arm-ker...@lists.infradead.org; > linux-kernel@vger.kernel.org > Subject: Re: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one > transfer > > Am Montag, den 23.07.2018, 13:55 + schrieb Robin Gong: > > > -Original Mess

Re: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-07-24 Thread Lucas Stach
..@armlinux.or > > g.uk > > Cc: dmaeng...@vger.kernel.org; dl-linux-imx ; > > ker...@pengutronix.de; linux-arm-ker...@lists.infradead.org; > > linux-kernel@vger.kernel.org > > Subject: Re: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 > > bds for one >

Re: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-07-24 Thread Lucas Stach
..@armlinux.or > > g.uk > > Cc: dmaeng...@vger.kernel.org; dl-linux-imx ; > > ker...@pengutronix.de; linux-arm-ker...@lists.infradead.org; > > linux-kernel@vger.kernel.org > > Subject: Re: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 > > bds for one >

RE: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-07-23 Thread Robin Gong
pengutronix.de; linux-arm-ker...@lists.infradead.org; > linux-kernel@vger.kernel.org > Subject: Re: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one > transfer > > Am Dienstag, den 24.07.2018, 01:46 +0800 schrieb Robin Gong: > > If multi-bds used in one transfer,

RE: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-07-23 Thread Robin Gong
pengutronix.de; linux-arm-ker...@lists.infradead.org; > linux-kernel@vger.kernel.org > Subject: Re: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one > transfer > > Am Dienstag, den 24.07.2018, 01:46 +0800 schrieb Robin Gong: > > If multi-bds used in one transfer,

Re: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-07-23 Thread Lucas Stach
Am Dienstag, den 24.07.2018, 01:46 +0800 schrieb Robin Gong: > If multi-bds used in one transfer, all bds should be consisten > memory.To easily follow it, enlarge the dma pool size into 20 bds, > and it will report error if the number of bds is over than 20. For > dmatest, the max count for

Re: [PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-07-23 Thread Lucas Stach
Am Dienstag, den 24.07.2018, 01:46 +0800 schrieb Robin Gong: > If multi-bds used in one transfer, all bds should be consisten > memory.To easily follow it, enlarge the dma pool size into 20 bds, > and it will report error if the number of bds is over than 20. For > dmatest, the max count for

[PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-07-23 Thread Robin Gong
If multi-bds used in one transfer, all bds should be consisten memory.To easily follow it, enlarge the dma pool size into 20 bds, and it will report error if the number of bds is over than 20. For dmatest, the max count for single transfer is NUM_BD * SDMA_BD_MAX_CNT = 20 * 65535 = ~1.28MB.

[PATCH v3 3/3] dmaengine: imx-sdma: allocate max 20 bds for one transfer

2018-07-23 Thread Robin Gong
If multi-bds used in one transfer, all bds should be consisten memory.To easily follow it, enlarge the dma pool size into 20 bds, and it will report error if the number of bds is over than 20. For dmatest, the max count for single transfer is NUM_BD * SDMA_BD_MAX_CNT = 20 * 65535 = ~1.28MB.