[PATCH RFC] spi: Dont call prepare/unprepare transfer if not populated

2012-05-10 Thread Shubhrajyoti D
Currently the prepare/unprepare transfer are called unconditionally. The assumption is that every driver using the spi core queue infrastructure has to populate the prepare and unprepare functions. This encourages drivers to populate empty functions to prevent crashing. This patch prevents the

Re: [PATCH RFC] spi: Dont call prepare/unprepare transfer if not populated

2012-05-10 Thread Linus Walleij
On Thu, May 10, 2012 at 3:50 PM, Shubhrajyoti D shubhrajy...@ti.com wrote: Currently the prepare/unprepare transfer are called unconditionally. The assumption is that every driver using the spi core queue infrastructure has to populate the prepare and unprepare functions. This encourages

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Re: [PATCH RFC] spi: Dont call prepare/unprepare transfer if not populated

2012-05-10 Thread Grant Likely
On Thu, 10 May 2012 16:01:27 +0200, Linus Walleij linus.wall...@linaro.org wrote: On Thu, May 10, 2012 at 3:50 PM, Shubhrajyoti D shubhrajy...@ti.com wrote: Currently the prepare/unprepare transfer are called unconditionally. The assumption is that every driver using the spi core queue