Re: [PATCH 02/14] qcom: mtd: nand: add and initialize QPIC DMA resources

2017-07-16 Thread Abhishek Sahu
On 2017-06-29 15:18, Marek Vasut wrote: On 06/29/2017 09:15 AM, Abhishek Sahu wrote: 1. The QPIC NAND uses 3 BAM channels: command, data tx and data rx while EBI2 NAND uses only single ADM channel. 2. The EBI2 NAND uses normal register read buffer since this buffer will be remapped with d

Re: [PATCH 02/14] qcom: mtd: nand: add and initialize QPIC DMA resources

2017-07-16 Thread Abhishek Sahu
On 2017-07-03 10:47, Archit Taneja wrote: On 06/29/2017 12:45 PM, Abhishek Sahu wrote: 1. The QPIC NAND uses 3 BAM channels: command, data tx and data rx while EBI2 NAND uses only single ADM channel. 2. The EBI2 NAND uses normal register read buffer since this buffer will be remapped wi

Re: [PATCH 02/14] qcom: mtd: nand: add and initialize QPIC DMA resources

2017-07-02 Thread Sricharan R
Hi Abhishek, On 6/29/2017 12:45 PM, Abhishek Sahu wrote: > 1. The QPIC NAND uses 3 BAM channels: command, data tx and >data rx while EBI2 NAND uses only single ADM channel. > > 2. The EBI2 NAND uses normal register read buffer since this >buffer will be remapped with dma_map_sg. The QPIC

Re: [PATCH 02/14] qcom: mtd: nand: add and initialize QPIC DMA resources

2017-07-02 Thread Sricharan R
Hi Abhishek, On 6/29/2017 12:45 PM, Abhishek Sahu wrote: > 1. The QPIC NAND uses 3 BAM channels: command, data tx and >data rx while EBI2 NAND uses only single ADM channel. > > 2. The EBI2 NAND uses normal register read buffer since this >buffer will be remapped with dma_map_sg. The QPIC

Re: [PATCH 02/14] qcom: mtd: nand: add and initialize QPIC DMA resources

2017-07-02 Thread Archit Taneja
On 06/29/2017 12:45 PM, Abhishek Sahu wrote: 1. The QPIC NAND uses 3 BAM channels: command, data tx and data rx while EBI2 NAND uses only single ADM channel. 2. The EBI2 NAND uses normal register read buffer since this buffer will be remapped with dma_map_sg. The QPIC NAND will give

Re: [PATCH 02/14] qcom: mtd: nand: add and initialize QPIC DMA resources

2017-06-29 Thread Marek Vasut
On 06/29/2017 09:15 AM, Abhishek Sahu wrote: > 1. The QPIC NAND uses 3 BAM channels: command, data tx and >data rx while EBI2 NAND uses only single ADM channel. > > 2. The EBI2 NAND uses normal register read buffer since this >buffer will be remapped with dma_map_sg. The QPIC NAND will giv