Re: [PATCH 2/3] mmc: tmio: implement a bounce buffer for unaligned DMA

2011-01-05 Thread Chris Ball
Hi Guennadi, could you resend this one with some style changes: On Tue, Nov 23, 2010 at 05:24:15PM +0100, Guennadi Liakhovetski wrote: > For example, with SDIO WLAN cards, some transfers happen with buffers at odd > addresses, whereas the SH-Mobile DMA engine requires even addresses for SDHI. > Th

Re: [PATCH 2/3] mmc: tmio: implement a bounce buffer for unaligned DMA

2010-11-26 Thread Samuel Ortiz
Hi Guennadi, On Tue, Nov 23, 2010 at 05:24:15PM +0100, Guennadi Liakhovetski wrote: > For example, with SDIO WLAN cards, some transfers happen with buffers at odd > addresses, whereas the SH-Mobile DMA engine requires even addresses for SDHI. > This patch extends the tmio driver with a bounce buff

[PATCH 2/3] mmc: tmio: implement a bounce buffer for unaligned DMA

2010-11-23 Thread Guennadi Liakhovetski
For example, with SDIO WLAN cards, some transfers happen with buffers at odd addresses, whereas the SH-Mobile DMA engine requires even addresses for SDHI. This patch extends the tmio driver with a bounce buffer, that is used for single entry scatter-gather lists both for sending and receiving. If w