diff options
Diffstat (limited to 'drivers/mmc/host/renesas_sdhi_core.c')
| -rw-r--r-- | drivers/mmc/host/renesas_sdhi_core.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c index 1243c42d3d1b..42eaec40a6d9 100644 --- a/drivers/mmc/host/renesas_sdhi_core.c +++ b/drivers/mmc/host/renesas_sdhi_core.c @@ -117,8 +117,12 @@ static unsigned int renesas_sdhi_clk_update(struct tmio_mmc_host *host, unsigned int freq, diff, best_freq = 0, diff_min = ~0; int i; - /* tested only on R-Car Gen2+ currently; may work for others */ - if (!(host->pdata->flags & TMIO_MMC_MIN_RCAR2)) + /* + * We simply return the current rate if a) we are not on a R-Car Gen2+ + * SoC (may work for others, but untested) or b) if the SCC needs its + * clock during tuning, so we don't change the external clock setup. + */ + if (!(host->pdata->flags & TMIO_MMC_MIN_RCAR2) || mmc_doing_tune(host->mmc)) return clk_get_rate(priv->clk); /* |