mmc: use .multi_io_quirk on tmio_mmc

Now, tmio_mmc can use .multi_io_quirk callback
instead of MMC_CAP2_NO_MULTI_READ flags.
let's use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/tmio_mmc_pio.c

@@ -970,12 +970,25 @@ static int tmio_mmc_get_ro(struct mmc_host *mmc)
 	return ret;
 }
 
+static int tmio_multi_io_quirk(struct mmc_card *card,
+			       unsigned int direction, int blk_size)
+{
+	struct tmio_mmc_host *host = mmc_priv(card->host);
+	struct tmio_mmc_data *pdata = host->pdata;
+
+	if (pdata->multi_io_quirk)
+		return pdata->multi_io_quirk(card, direction, blk_size);
+
+	return blk_size;
+}
+
 static const struct mmc_host_ops tmio_mmc_ops = {
 	.request	= tmio_mmc_request,
 	.set_ios	= tmio_mmc_set_ios,
 	.get_ro         = tmio_mmc_get_ro,
 	.get_cd		= mmc_gpio_get_cd,
 	.enable_sdio_irq = tmio_mmc_enable_sdio_irq,
+	.multi_io_quirk	= tmio_multi_io_quirk,
 };
 
 static int tmio_mmc_init_ocr(struct tmio_mmc_host *host)

include/linux/mfd/tmio.h

@@ -5,6 +5,7 @@
 #include <linux/fb.h>
 #include <linux/io.h>
 #include <linux/jiffies.h>
+#include <linux/mmc/card.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 
@@ -142,6 +143,8 @@ struct tmio_mmc_data {
 	/* clock management callbacks */
 	int (*clk_enable)(struct platform_device *pdev, unsigned int *f);
 	void (*clk_disable)(struct platform_device *pdev);
+	int (*multi_io_quirk)(struct mmc_card *card,
+			      unsigned int direction, int blk_size);
 };
 
 /*