On Thu, 2018-07-12 at 19:38 +0200, Tamás Szűcs wrote: > This fixes sampling errors with eMMC modules using DDR52 when host > capabilities > via setting NVQUIRK_ENABLE_DDR50 and NVQUIRK_ENABLE_SDHCI_SPEC_300 > are enabled. > > Signed-off-by: Tamás Szűcs <tszucs@xxxxxxxxxxxxx> > --- > drivers/mmc/host/sdhci-tegra.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci- > tegra.c > index 970d38f68939..a3bfaa7067c8 100644 > --- a/drivers/mmc/host/sdhci-tegra.c > +++ b/drivers/mmc/host/sdhci-tegra.c > @@ -228,7 +228,7 @@ static void tegra_sdhci_set_uhs_signaling(struct > sdhci_host *host, > struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); > struct sdhci_tegra *tegra_host = > sdhci_pltfm_priv(pltfm_host); > > - if (timing == MMC_TIMING_UHS_DDR50) > + if (timing == MMC_TIMING_UHS_DDR50 || timing == > MMC_TIMING_MMC_DDR52) > tegra_host->ddr_signaling = true; > > sdhci_set_uhs_signaling(host, timing); This is really a duplicate of Stefan's "[PATCH 2/3] mmc: tegra: fix eMMC DDR52 mode" [1] resp. Stefan's is a duplicate of Tamás'. We missed it as it somehow bounced the tegra mailing list. We basically investigated this upon Tamás' request (u-blox being our customer) more or less in parallel. [1] https://lore.kernel.org/lkml/20180712073904.4705-2-stefan@xxxxxxxx��.n��������+%����;��w��{.n�����{��i��)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
