silexcommon@xxxxxxxxx writes: > From: Alagu Sankar <alagusankar@xxxxxxxxxxxxxxx> > > Some SD host controllers still need bounce buffers for SDIO data > transfers. While the transfers worked fine on x86 platforms, > this is found to be required for i.MX6 based systems. > > Changes are similar to and derived from the ath6kl sdio driver. > > Signed-off-by: Alagu Sankar <alagusankar@xxxxxxxxxxxxxxx> Why is the bounce buffer needed exactly, what are the symptoms etc? To me this sounds like an ugly workaround for a SDIO controller driver bug. -- Kalle Valo