> While trying to enable the dw_mmc on rk3188 I managed to confuse > and hang the dw_mmc controller into not delivering further data. > The fifo state never became ready and the driver was iterating in > the while loop reading 0-byte packets forever. > > So inspired by how other implementations handle this, check the fifo- > state beforhand and add a timeout to catch any glaring fifo issues > without hanging uboot altogether. > > Signed-off-by: Heiko Stuebner <he...@sntech.de> > Reviewed-by: Philipp Tomsich <philipp.toms...@theobroma-systems.com> > Acked-by: Philipp Tomsich <philipp.toms...@theobroma-systems.com> > --- > drivers/mmc/dw_mmc.c | 32 ++++++++++++++++++++++++++++++-- > include/dwmmc.h | 2 ++ > 2 files changed, 32 insertions(+), 2 deletions(-) >
Applied to u-boot-rockchip, thanks! _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
