On 01/09/2012 04:18, Marek Vasut wrote: > This patch prevents dcache-related problem. The problem manifested > itself on the SPI driver, this is just a port to the MMC driver. > > The scenario is the same. In case an "mmc read" is issued to a > buffer which was written right before it and data cache is enabled, > the cache eviction might happen during the DMA transfer into the > buffer, therefore corrupting the buffer. Clear any cache lines that > might contain the buffer to prevent such issue. > > Signed-off-by: Marek Vasut <ma...@denx.de> > Cc: Fabio Estevam <feste...@gmail.com> > Cc: Otavio Salvador <ota...@ossystems.com.br> > Cc: Stefano Babic <sba...@denx.de> > ---
Applied to u-boot-imx, thanks. Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sba...@denx.de ===================================================================== _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
