Re: [PATCH 5/5] spi/mxs: Fix multiple slave bug and don't set clock for each xfer

2013-04-01 Thread Marek Vasut
Dear Trent Piepho, > Despite many warnings in the SPI documentation and code, the spi-mxs > driver sets shared chip registers in the ->setup method. This method can > be called when transfers are in progress on other slaves controlled by the > master. Setting registers or any other shared state

[PATCH 5/5] spi/mxs: Fix multiple slave bug and don't set clock for each xfer

2013-03-29 Thread Trent Piepho
Despite many warnings in the SPI documentation and code, the spi-mxs driver sets shared chip registers in the ->setup method. This method can be called when transfers are in progress on other slaves controlled by the master. Setting registers or any other shared state will corrupt those transfers