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 Reported-by: Vagrant Cascadian <[email protected]> Suggested-by: Jaehoon Chung <[email protected]> Signed-off-by: Heinrich Schuchardt <[email protected]> --- Resent due to missing cc [email protected]. --- 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 _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
