On Wed, Sep 13, 2017 at 5:02 AM, Marek Vasut <[email protected]> wrote: > The Linux kernel driver sets the number of event segments and entries > to 1 , while the initial import of the xhci code set that values to 3 > for reasons unknown. While most controllers are fine with more event > segments with more entries, there are standard-conformant controllers > (ie. Renesas RCar xHCI) which only support 1 event segment. > > Set the number of event segments and event entries back to 1 to allow > such controllers to work with U-Boot xHCI stack. Note that the Renesas > controller correctly indicates ERST Max = 1 in HCSPARAMS2[7:4] . > > Signed-off-by: Marek Vasut <[email protected]> > Cc: Bin Meng <[email protected]> > --- > drivers/usb/host/xhci.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) >
Reviewed-by: Bin Meng <[email protected]> Tested-by: Bin Meng <[email protected]> _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
