On 2018-03-17, Heinrich Schuchardt wrote: > The Odroid C2 fails to read from mmc with U-Boot v2018.03. > The change avoids a division by zero. > > The fix was suggested by Jaehoon in > https://lists.denx.de/pipermail/u-boot/2018-January/318577.html
Thanks!
Works for me with odroid-c2 on u-boot 2018.03.
Without the patch, mmc access immediately hangs the board.
Tested-by: Vagrant Cascadian <vagr...@debian.org>
live well,
vagrant
> Reported-by: Vagrant Cascadian <vagr...@debian.org>
> Suggested-by: Jaehoon Chung <jh80.ch...@samsung.com>
> Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
> ---
> Resent due to missing cc u-boot@lists.denx.de.
> ---
> drivers/mmc/meson_gx_mmc.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/mmc/meson_gx_mmc.c b/drivers/mmc/meson_gx_mmc.c
> index a2cd5d3a44..454593eec4 100644
> --- a/drivers/mmc/meson_gx_mmc.c
> +++ b/drivers/mmc/meson_gx_mmc.c
> @@ -35,6 +35,9 @@ static void meson_mmc_config_clock(struct mmc *mmc)
> uint32_t meson_mmc_clk = 0;
> unsigned int clk, clk_src, clk_div;
>
> + if (!mmc->clock)
> + return;
> +
> /* 1GHz / CLK_MAX_DIV = 15,9 MHz */
> if (mmc->clock > 16000000) {
> clk = SD_EMMC_CLKSRC_DIV2;
> --
> 2.14.2
signature.asc
Description: PGP signature
_______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
