return 0;
}
-#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
static void check_and_invalidate_dcache_range
(struct mmc_cmd *cmd,
struct mmc_data *data) {
#endif
invalidate_dcache_range(start, end);
}
-#endif
/*
* Sends a command out on the bus. Takes the mmc pointer,
err = esdhc_setup_data(mmc, data);
if (err)
return err;
+
+ if (data->flags & MMC_DATA_READ)
+ check_and_invalidate_dcache_range(cmd, data);
}
/* Figure out the transfer arguments */
}
} while ((irqstat & DATA_COMPLETE) != DATA_COMPLETE);
+ /*
+ * Need invalidate the dcache here again to avoid any
+ * cache-fill during the DMA operations such as the
+ * speculative pre-fetching etc.
+ */
if (data->flags & MMC_DATA_READ)
check_and_invalidate_dcache_range(cmd, data);
#endif