Re: [U-Boot] [PATCH 1/2] SPI: Add support for preamble bytes

2013-05-11 Thread Simon Glass
On Fri, Mar 22, 2013 at 12:29 AM, Rajeshwari Shinde rajeshwar...@samsung.com wrote: A SPI slave may take time to react to a request. For SPI flash devices this time is defined as one bit time, or a whole byte for 'fast read' mode. If the SPI slave is another CPU, then the time it takes to

[U-Boot] [PATCH 1/2] SPI: Add support for preamble bytes

2013-03-22 Thread Rajeshwari Shinde
A SPI slave may take time to react to a request. For SPI flash devices this time is defined as one bit time, or a whole byte for 'fast read' mode. If the SPI slave is another CPU, then the time it takes to react may vary. It is convenient to allow the slave device to tag the start of the actual