RE: [PATCH v6] spi: spi-imx: add DMA support

2014-10-20 Thread Yibin Gong
-kernel@vger.kernel.org; Gong Yibin-B38343 Subject: [PATCH v6] spi: spi-imx: add DMA support Enable DMA support on i.mx6. The read speed can increase from 600KB/s to 1.2MB/s on i.mx6q. You can disable or enable dma function in dts. If not set "dma-names" in dts, spi will use PIO mode. This

[PATCH v6] spi: spi-imx: add DMA support

2014-10-20 Thread Robin Gong
Enable DMA support on i.mx6. The read speed can increase from 600KB/s to 1.2MB/s on i.mx6q. You can disable or enable dma function in dts. If not set "dma-names" in dts, spi will use PIO mode. This patch only validate on i.mx6, not i.mx5, but encourage ones to apply this patch on i.mx5 since they s

Re: [PATCH v6] spi: spi-imx: add DMA support

2014-09-16 Thread Marek Vasut
On Tuesday, September 16, 2014 at 12:39:44 AM, Mark Brown wrote: > On Thu, Sep 11, 2014 at 09:18:44AM +0800, Robin Gong wrote: > > Enable DMA support on i.mx6. The read speed can increase from 600KB/s > > to 1.2MB/s on i.mx6q. You can disable or enable dma function in dts. > > If not set "dma-names

Re: [PATCH v6] spi: spi-imx: add DMA support

2014-09-16 Thread Mark Brown
On Thu, Sep 11, 2014 at 09:18:44AM +0800, Robin Gong wrote: > Enable DMA support on i.mx6. The read speed can increase from 600KB/s > to 1.2MB/s on i.mx6q. You can disable or enable dma function in dts. > If not set "dma-names" in dts, spi will use PIO mode. This patch only > validate on i.mx6, not

Re: [PATCH v6] spi: spi-imx: add DMA support

2014-09-15 Thread Mark Brown
On Thu, Sep 11, 2014 at 09:18:44AM +0800, Robin Gong wrote: > Enable DMA support on i.mx6. The read speed can increase from 600KB/s > to 1.2MB/s on i.mx6q. You can disable or enable dma function in dts. > If not set "dma-names" in dts, spi will use PIO mode. This patch only > validate on i.mx6, not

[PATCH v6] spi: spi-imx: add DMA support

2014-09-10 Thread Robin Gong
Enable DMA support on i.mx6. The read speed can increase from 600KB/s to 1.2MB/s on i.mx6q. You can disable or enable dma function in dts. If not set "dma-names" in dts, spi will use PIO mode. This patch only validate on i.mx6, not i.mx5, but encourage ones to apply this patch on i.mx5 since they s