[U-Boot] [RFC][PATCH] arm: Fix flush_dcache_range() on arm926

2013-07-09 Thread Marek Vasut
The flush_dcache_range() on arm926 did not work as expected on i.MX28. This can be observed during the operation of the FEC ethernet driver where the driver did occasionally fail with timeout trying to transmit a frame. The FEC ethernet driver uses DMA for transmitting the frame in the following f

Re: [U-Boot] [RFC][PATCH] arm: Fix flush_dcache_range() on arm926

2013-07-10 Thread Albert ARIBAUD
Hi Marek, On Wed, 10 Jul 2013 02:30:29 +0200, Marek Vasut wrote: > The flush_dcache_range() on arm926 did not work as expected on i.MX28. > > This can be observed during the operation of the FEC ethernet driver > where the driver did occasionally fail with timeout trying to transmit > a frame.

Re: [U-Boot] [RFC][PATCH] arm: Fix flush_dcache_range() on arm926

2013-07-10 Thread Marek Vasut
Hi Albert, > Hi Marek, > > On Wed, 10 Jul 2013 02:30:29 +0200, Marek Vasut wrote: > > The flush_dcache_range() on arm926 did not work as expected on i.MX28. > > > > This can be observed during the operation of the FEC ethernet driver > > where the driver did occasionally fail with timeout tryin