[PATCH v4 0/2] i2c: add DMA support for freescale i2c driver

Changed in v4: - cancelled "i2c_imx->use_dma". - changed "Dma" to "DMA". - add timeout handling for DMA transfer complete. Changed in v3: - fix a bug when request the DMA faild. - some minor fixes for coding style. - other minor fixes. Changed in v2: - remove has_dma_support property - unify

[PATCH v4 0/2] i2c: add DMA support for freescale i2c driver

Changed in v4: - cancelled i2c_imx-use_dma. - changed Dma to DMA. - add timeout handling for DMA transfer complete. Changed in v3: - fix a bug when request the DMA faild. - some minor fixes for coding style. - other minor fixes. Changed in v2: - remove has_dma_support property - unify