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path: root/drivers/mmc/host/dw_mmc.c
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Diffstat (limited to 'drivers/mmc/host/dw_mmc.c')
-rw-r--r--drivers/mmc/host/dw_mmc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 1ac227c603b7..609f0ab6891f 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -625,6 +625,13 @@ static void dw_mci_ctrl_rd_thld(struct dw_mci *host, struct mmc_data *data)
WARN_ON(!(data->flags & MMC_DATA_READ));
+ /*
+ * CDTHRCTL doesn't exist prior to 240A (in fact that register offset is
+ * in the FIFO region, so we really shouldn't access it).
+ */
+ if (host->verid < DW_MMC_240A)
+ return;
+
if (host->timing != MMC_TIMING_MMC_HS200 &&
host->timing != MMC_TIMING_UHS_SDR104)
goto disable;