Merge remote-tracking branch 'spi/for-next'

15 files changed, 134 insertions, 94 deletions

diff --git a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
index 31b5b21598ff..5bf13960f7f4 100644
--- a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
+++ b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
@@ -9,6 +9,7 @@ Required properties:
   - "fsl,imx31-cspi" for SPI compatible with the one integrated on i.MX31
   - "fsl,imx35-cspi" for SPI compatible with the one integrated on i.MX35
   - "fsl,imx51-ecspi" for SPI compatible with the one integrated on i.MX51
+  - "fsl,imx53-ecspi" for SPI compatible with the one integrated on i.MX53 and later Soc
 - reg : Offset and length of the register set for the device
 - interrupts : Should contain CSPI/eCSPI interrupt
 - cs-gpios : Specifies the gpio pins to be used for chipselects.
diff --git a/Documentation/devicetree/bindings/spi/sh-msiof.txt b/Documentation/devicetree/bindings/spi/sh-msiof.txt
index 64ee489571c4..39e5ef7c5e71 100644
--- a/Documentation/devicetree/bindings/spi/sh-msiof.txt
+++ b/Documentation/devicetree/bindings/spi/sh-msiof.txt
@@ -6,6 +6,7 @@ Required properties:
 			 "renesas,msiof-r8a7792" (R-Car V2H)
 			 "renesas,msiof-r8a7793" (R-Car M2-N)
 			 "renesas,msiof-r8a7794" (R-Car E2)
+			 "renesas,msiof-r8a7795" (R-Car H3)
 			 "renesas,msiof-r8a7796" (R-Car M3-W)
 			 "renesas,msiof-sh73a0" (SH-Mobile AG5)
 			 "renesas,sh-mobile-msiof" (generic SH-Mobile compatibile device)
diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
index b89cee11f418..0719bd484891 100644
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
@@ -39,15 +39,15 @@ struct ath79_spi {
 	u32			reg_ctrl;
 	void __iomem		*base;
 	struct clk		*clk;
-	unsigned		rrw_delay;
+	unsigned int		rrw_delay;
 };
 
-static inline u32 ath79_spi_rr(struct ath79_spi *sp, unsigned reg)
+static inline u32 ath79_spi_rr(struct ath79_spi *sp, unsigned int reg)
 {
 	return ioread32(sp->base + reg);
 }
 
-static inline void ath79_spi_wr(struct ath79_spi *sp, unsigned reg, u32 val)
+static inline void ath79_spi_wr(struct ath79_spi *sp, unsigned int reg, u32 val)
 {
 	iowrite32(val, sp->base + reg);
 }
@@ -57,7 +57,7 @@ static inline struct ath79_spi *ath79_spidev_to_sp(struct spi_device *spi)
 	return spi_master_get_devdata(spi->master);
 }
 
-static inline void ath79_spi_delay(struct ath79_spi *sp, unsigned nsecs)
+static inline void ath79_spi_delay(struct ath79_spi *sp, unsigned int nsecs)
 {
 	if (nsecs > sp->rrw_delay)
 		ndelay(nsecs - sp->rrw_delay);
@@ -148,9 +148,8 @@ static int ath79_spi_setup_cs(struct spi_device *spi)
 
 static void ath79_spi_cleanup_cs(struct spi_device *spi)
 {
-	if (gpio_is_valid(spi->cs_gpio)) {
+	if (gpio_is_valid(spi->cs_gpio))
 		gpio_free(spi->cs_gpio);
-	}
 }
 
 static int ath79_spi_setup(struct spi_device *spi)
@@ -176,7 +175,7 @@ static void ath79_spi_cleanup(struct spi_device *spi)
 	spi_bitbang_cleanup(spi);
 }
 
-static u32 ath79_spi_txrx_mode0(struct spi_device *spi, unsigned nsecs,
+static u32 ath79_spi_txrx_mode0(struct spi_device *spi, unsigned int nsecs,
 			       u32 word, u8 bits)
 {
 	struct ath79_spi *sp = ath79_spidev_to_sp(spi);
diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c
index 4da2d4a524ca..475a79015aa6 100644
--- a/drivers/spi/spi-bcm63xx-hsspi.c
+++ b/drivers/spi/spi-bcm63xx-hsspi.c
@@ -108,7 +108,7 @@ struct bcm63xx_hsspi {
 	u8 cs_polarity;
 };
 
-static void bcm63xx_hsspi_set_cs(struct bcm63xx_hsspi *bs, unsigned cs,
+static void bcm63xx_hsspi_set_cs(struct bcm63xx_hsspi *bs, unsigned int cs,
 				 bool active)
 {
 	u32 reg;
@@ -127,7 +127,7 @@ static void bcm63xx_hsspi_set_cs(struct bcm63xx_hsspi *bs, unsigned cs,
 static void bcm63xx_hsspi_set_clk(struct bcm63xx_hsspi *bs,
 				  struct spi_device *spi, int hz)
 {
-	unsigned profile = spi->chip_select;
+	unsigned int profile = spi->chip_select;
 	u32 reg;
 
 	reg = DIV_ROUND_UP(2048, DIV_ROUND_UP(bs->speed_hz, hz));
@@ -154,7 +154,7 @@ static void bcm63xx_hsspi_set_clk(struct bcm63xx_hsspi *bs,
 static int bcm63xx_hsspi_do_txrx(struct spi_device *spi, struct spi_transfer *t)
 {
 	struct bcm63xx_hsspi *bs = spi_master_get_devdata(spi->master);
-	unsigned chip_select = spi->chip_select;
+	unsigned int chip_select = spi->chip_select;
 	u16 opcode = 0;
 	int pending = t->len;
 	int step_size = HSSPI_BUFFER_LEN;
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index f9698b7aeb3b..424dd013451e 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -63,7 +63,8 @@ enum spi_imx_devtype {
 	IMX27_CSPI,
 	IMX31_CSPI,
 	IMX35_CSPI,	/* CSPI on all i.mx except above */
-	IMX51_ECSPI,	/* ECSPI on i.mx51 and later */
+	IMX51_ECSPI,	/* ECSPI on i.mx51 */
+	IMX53_ECSPI,	/* ECSPI on i.mx53 and later */
 };
 
 struct spi_imx_data;
@@ -74,6 +75,8 @@ struct spi_imx_devtype_data {
 	void (*trigger)(struct spi_imx_data *);
 	int (*rx_available)(struct spi_imx_data *);
 	void (*reset)(struct spi_imx_data *);
+	bool has_dmamode;
+	unsigned int fifo_size;
 	enum spi_imx_devtype devtype;
 };
 
@@ -125,9 +128,9 @@ static inline int is_imx51_ecspi(struct spi_imx_data *d)
 	return d->devtype_data->devtype == IMX51_ECSPI;
 }
 
-static inline unsigned spi_imx_get_fifosize(struct spi_imx_data *d)
+static inline int is_imx53_ecspi(struct spi_imx_data *d)
 {
-	return is_imx51_ecspi(d) ? 64 : 8;
+	return d->devtype_data->devtype == IMX53_ECSPI;
 }
 
 #define MXC_SPI_BUF_RX(type)						\
@@ -219,7 +222,7 @@ static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi,
 	if (bytes_per_word != 1 && bytes_per_word != 2 && bytes_per_word != 4)
 		return false;
 
-	for (i = spi_imx_get_fifosize(spi_imx) / 2; i > 0; i--) {
+	for (i = spi_imx->devtype_data->fifo_size / 2; i > 0; i--) {
 		if (!(transfer->len % (i * bytes_per_word)))
 			break;
 	}
@@ -693,6 +696,8 @@ static struct spi_imx_devtype_data imx1_cspi_devtype_data = {
 	.trigger = mx1_trigger,
 	.rx_available = mx1_rx_available,
 	.reset = mx1_reset,
+	.fifo_size = 8,
+	.has_dmamode = false,
 	.devtype = IMX1_CSPI,
 };
 
@@ -702,6 +707,8 @@ static struct spi_imx_devtype_data imx21_cspi_devtype_data = {
 	.trigger = mx21_trigger,
 	.rx_available = mx21_rx_available,
 	.reset = mx21_reset,
+	.fifo_size = 8,
+	.has_dmamode = false,
 	.devtype = IMX21_CSPI,
 };
 
@@ -712,6 +719,8 @@ static struct spi_imx_devtype_data imx27_cspi_devtype_data = {
 	.trigger = mx21_trigger,
 	.rx_available = mx21_rx_available,
 	.reset = mx21_reset,
+	.fifo_size = 8,
+	.has_dmamode = false,
 	.devtype = IMX27_CSPI,
 };
 
@@ -721,6 +730,8 @@ static struct spi_imx_devtype_data imx31_cspi_devtype_data = {
 	.trigger = mx31_trigger,
 	.rx_available = mx31_rx_available,
 	.reset = mx31_reset,
+	.fifo_size = 8,
+	.has_dmamode = false,
 	.devtype = IMX31_CSPI,
 };
 
@@ -731,6 +742,8 @@ static struct spi_imx_devtype_data imx35_cspi_devtype_data = {
 	.trigger = mx31_trigger,
 	.rx_available = mx31_rx_available,
 	.reset = mx31_reset,
+	.fifo_size = 8,
+	.has_dmamode = true,
 	.devtype = IMX35_CSPI,
 };
 
@@ -740,9 +753,22 @@ static struct spi_imx_devtype_data imx51_ecspi_devtype_data = {
 	.trigger = mx51_ecspi_trigger,
 	.rx_available = mx51_ecspi_rx_available,
 	.reset = mx51_ecspi_reset,
+	.fifo_size = 64,
+	.has_dmamode = true,
 	.devtype = IMX51_ECSPI,
 };
 
+static struct spi_imx_devtype_data imx53_ecspi_devtype_data = {
+	.intctrl = mx51_ecspi_intctrl,
+	.config = mx51_ecspi_config,
+	.trigger = mx51_ecspi_trigger,
+	.rx_available = mx51_ecspi_rx_available,
+	.reset = mx51_ecspi_reset,
+	.fifo_size = 64,
+	.has_dmamode = true,
+	.devtype = IMX53_ECSPI,
+};
+
 static const struct platform_device_id spi_imx_devtype[] = {
 	{
 		.name = "imx1-cspi",
@@ -763,6 +789,9 @@ static const struct platform_device_id spi_imx_devtype[] = {
 		.name = "imx51-ecspi",
 		.driver_data = (kernel_ulong_t) &imx51_ecspi_devtype_data,
 	}, {
+		.name = "imx53-ecspi",
+		.driver_data = (kernel_ulong_t) &imx53_ecspi_devtype_data,
+	}, {
 		/* sentinel */
 	}
 };
@@ -774,6 +803,7 @@ static const struct of_device_id spi_imx_dt_ids[] = {
 	{ .compatible = "fsl,imx31-cspi", .data = &imx31_cspi_devtype_data, },
 	{ .compatible = "fsl,imx35-cspi", .data = &imx35_cspi_devtype_data, },
 	{ .compatible = "fsl,imx51-ecspi", .data = &imx51_ecspi_devtype_data, },
+	{ .compatible = "fsl,imx53-ecspi", .data = &imx53_ecspi_devtype_data, },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, spi_imx_dt_ids);
@@ -791,7 +821,7 @@ static void spi_imx_chipselect(struct spi_device *spi, int is_active)
 
 static void spi_imx_push(struct spi_imx_data *spi_imx)
 {
-	while (spi_imx->txfifo < spi_imx_get_fifosize(spi_imx)) {
+	while (spi_imx->txfifo < spi_imx->devtype_data->fifo_size) {
 		if (!spi_imx->count)
 			break;
 		spi_imx->tx(spi_imx);
@@ -938,7 +968,7 @@ static int spi_imx_sdma_init(struct device *dev, struct spi_imx_data *spi_imx,
 	if (of_machine_is_compatible("fsl,imx6dl"))
 		return 0;
 
-	spi_imx->wml = spi_imx_get_fifosize(spi_imx) / 2;
+	spi_imx->wml = spi_imx->devtype_data->fifo_size / 2;
 
 	/* Prepare for TX DMA: */
 	master->dma_tx = dma_request_slave_channel_reason(dev, "tx");
@@ -1209,7 +1239,8 @@ static int spi_imx_probe(struct platform_device *pdev)
 	spi_imx->bitbang.master->prepare_message = spi_imx_prepare_message;
 	spi_imx->bitbang.master->unprepare_message = spi_imx_unprepare_message;
 	spi_imx->bitbang.master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
-	if (is_imx35_cspi(spi_imx) || is_imx51_ecspi(spi_imx))
+	if (is_imx35_cspi(spi_imx) || is_imx51_ecspi(spi_imx) ||
+	    is_imx53_ecspi(spi_imx))
 		spi_imx->bitbang.master->mode_bits |= SPI_LOOP | SPI_READY;
 
 	spi_imx->spi_drctl = spi_drctl;
@@ -1262,7 +1293,7 @@ static int spi_imx_probe(struct platform_device *pdev)
 	 * Only validated on i.mx35 and i.mx6 now, can remove the constraint
 	 * if validated on other chips.
 	 */
-	if (is_imx35_cspi(spi_imx) || is_imx51_ecspi(spi_imx)) {
+	if (spi_imx->devtype_data->has_dmamode) {
 		ret = spi_imx_sdma_init(&pdev->dev, spi_imx, master);
 		if (ret == -EPROBE_DEFER)
 			goto out_clk_put;
diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c
index 3459965004f8..64a1e6f212c1 100644
--- a/drivers/spi/spi-loopback-test.c
+++ b/drivers/spi/spi-loopback-test.c
@@ -32,39 +32,45 @@
 #include "spi-test.h"
 
 /* flag to only simulate transfers */
-int simulate_only;
+static int simulate_only;
 module_param(simulate_only, int, 0);
 MODULE_PARM_DESC(simulate_only, "if not 0 do not execute the spi message");
 
 /* dump spi messages */
-int dump_messages;
+static int dump_messages;
 module_param(dump_messages, int, 0);
 MODULE_PARM_DESC(dump_messages,
 		 "=1 dump the basic spi_message_structure, " \
 		 "=2 dump the spi_message_structure including data, " \
 		 "=3 dump the spi_message structure before and after execution");
 /* the device is jumpered for loopback - enabling some rx_buf tests */
-int loopback;
+static int loopback;
 module_param(loopback, int, 0);
 MODULE_PARM_DESC(loopback,
 		 "if set enable loopback mode, where the rx_buf "	\
 		 "is checked to match tx_buf after the spi_message "	\
 		 "is executed");
 
+static int loop_req;
+module_param(loop_req, int, 0);
+MODULE_PARM_DESC(loop_req,
+		 "if set controller will be asked to enable test loop mode. " \
+		 "If controller supported it, MISO and MOSI will be connected");
+
 /* run only a specific test */
-int run_only_test = -1;
+static int run_only_test = -1;
 module_param(run_only_test, int, 0);
 MODULE_PARM_DESC(run_only_test,
 		 "only run the test with this number (0-based !)");
 
 /* use vmalloc'ed buffers */
-int use_vmalloc;
+static int use_vmalloc;
 module_param(use_vmalloc, int, 0644);
 MODULE_PARM_DESC(use_vmalloc,
 		 "use vmalloc'ed buffers instead of kmalloc'ed");
 
 /* check rx ranges */
-int check_ranges = 1;
+static int check_ranges = 1;
 module_param(check_ranges, int, 0644);
 MODULE_PARM_DESC(check_ranges,
 		 "checks rx_buffer pattern are valid");
@@ -313,6 +319,16 @@ static int spi_loopback_test_probe(struct spi_device *spi)
 {
 	int ret;
 
+	if (loop_req) {
+		spi->mode = SPI_LOOP | spi->mode;
+		ret = spi_setup(spi);
+		if (ret) {
+			dev_err(&spi->dev, "SPI setup with SPI_LOOP failed (%d)\n",
+				ret);
+			return ret;
+		}
+	}
+
 	dev_info(&spi->dev, "Executing spi-loopback-tests\n");
 
 	ret = spi_test_run_tests(spi, spi_tests);
diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
index 28fc9f161b9d..4b6dd73b80da 100644
--- a/drivers/spi/spi-orion.c
+++ b/drivers/spi/spi-orion.c
@@ -669,8 +669,8 @@ static int orion_spi_probe(struct platform_device *pdev)
 		status = of_property_read_u32(np, "reg", &cs);
 		if (status) {
 			dev_err(&pdev->dev,
-				"%s has no valid 'reg' property (%d)\n",
-				np->full_name, status);
+				"%pOF has no valid 'reg' property (%d)\n",
+				np, status);
 			status = 0;
 			continue;
 		}
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 38d053682892..be991266a6ce 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1213,21 +1213,33 @@ static int setup_cs(struct spi_device *spi, struct chip_data *chip,
 		    struct pxa2xx_spi_chip *chip_info)
 {
 	struct driver_data *drv_data = spi_master_get_devdata(spi->master);
+	struct device *pdev = &drv_data->pdev->dev;
+	struct gpio_desc *gpiod;
 	int err = 0;
+	int count;
 
 	if (chip == NULL)
 		return 0;
 
-	if (drv_data->cs_gpiods) {
-		struct gpio_desc *gpiod;
+	count = gpiod_count(pdev, "cs");
+	if (count > 0) {
+		if (spi->chip_select >= count)
+			return -EINVAL;
+
+		gpiod = gpiod_get_index(pdev, "cs", spi->chip_select,
+					GPIOD_OUT_HIGH);
+		if (IS_ERR(gpiod)) {
+			/* Means use native chip select */
+			if (PTR_ERR(gpiod) == -ENOENT)
+				return 0;
 
-		gpiod = drv_data->cs_gpiods[spi->chip_select];
-		if (gpiod) {
-			chip->gpio_cs = desc_to_gpio(gpiod);
-			chip->gpio_cs_inverted = spi->mode & SPI_CS_HIGH;
-			gpiod_set_value(gpiod, chip->gpio_cs_inverted);
+			return PTR_ERR(gpiod);
 		}
 
+		chip->gpio_cs = desc_to_gpio(gpiod);
+		chip->gpio_cs_inverted = spi->mode & SPI_CS_HIGH;
+		gpiod_set_value(gpiod, chip->gpio_cs_inverted);
+
 		return 0;
 	}
 
@@ -1415,8 +1427,7 @@ static void cleanup(struct spi_device *spi)
 	if (!chip)
 		return;
 
-	if (drv_data->ssp_type != CE4100_SSP && !drv_data->cs_gpiods &&
-	    gpio_is_valid(chip->gpio_cs))
+	if (drv_data->ssp_type != CE4100_SSP && gpio_is_valid(chip->gpio_cs))
 		gpio_free(chip->gpio_cs);
 
 	kfree(chip);
@@ -1752,38 +1763,10 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
 	master->num_chipselect = platform_info->num_chipselect;
 
 	count = gpiod_count(&pdev->dev, "cs");
-	if (count > 0) {
-		int i;
-
+	if (count > 0)
 		master->num_chipselect = max_t(int, count,
 			master->num_chipselect);
 
-		drv_data->cs_gpiods = devm_kcalloc(&pdev->dev,
-			master->num_chipselect, sizeof(struct gpio_desc *),
-			GFP_KERNEL);
-		if (!drv_data->cs_gpiods) {
-			status = -ENOMEM;
-			goto out_error_clock_enabled;
-		}
-
-		for (i = 0; i < master->num_chipselect; i++) {
-			struct gpio_desc *gpiod;
-
-			gpiod = devm_gpiod_get_index(dev, "cs", i,
-						     GPIOD_OUT_HIGH);
-			if (IS_ERR(gpiod)) {
-				/* Means use native chip select */
-				if (PTR_ERR(gpiod) == -ENOENT)
-					continue;
-
-				status = (int)PTR_ERR(gpiod);
-				goto out_error_clock_enabled;
-			} else {
-				drv_data->cs_gpiods[i] = gpiod;
-			}
-		}
-	}
-
 	tasklet_init(&drv_data->pump_transfers, pump_transfers,
 		     (unsigned long)drv_data);
 
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index c304c7167866..0eb1e9583485 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -38,6 +38,7 @@ struct sh_msiof_chipdata {
 	u16 tx_fifo_size;
 	u16 rx_fifo_size;
 	u16 master_flags;
+	u16 min_div;
 };
 
 struct sh_msiof_spi_priv {
@@ -49,6 +50,7 @@ struct sh_msiof_spi_priv {
 	struct completion done;
 	unsigned int tx_fifo_size;
 	unsigned int rx_fifo_size;
+	unsigned int min_div;
 	void *tx_dma_page;
 	void *rx_dma_page;
 	dma_addr_t tx_dma_addr;
@@ -261,6 +263,8 @@ static void sh_msiof_spi_set_clk_regs(struct sh_msiof_spi_priv *p,
 	if (!WARN_ON(!spi_hz || !parent_rate))
 		div = DIV_ROUND_UP(parent_rate, spi_hz);
 
+	div = max_t(unsigned long, div, p->min_div);
+
 	for (k = 0; k < ARRAY_SIZE(sh_msiof_spi_div_table); k++) {
 		brps = DIV_ROUND_UP(div, sh_msiof_spi_div_table[k].div);
 		/* SCR_BRDV_DIV_1 is valid only if BRPS is x 1/1 or x 1/2 */
@@ -998,24 +1002,33 @@ static const struct sh_msiof_chipdata sh_data = {
 	.tx_fifo_size = 64,
 	.rx_fifo_size = 64,
 	.master_flags = 0,
+	.min_div = 1,
+};
+
+static const struct sh_msiof_chipdata rcar_gen2_data = {
+	.tx_fifo_size = 64,
+	.rx_fifo_size = 64,
+	.master_flags = SPI_MASTER_MUST_TX,
+	.min_div = 1,
 };
 
-static const struct sh_msiof_chipdata r8a779x_data = {
+static const struct sh_msiof_chipdata rcar_gen3_data = {
 	.tx_fifo_size = 64,
 	.rx_fifo_size = 64,
 	.master_flags = SPI_MASTER_MUST_TX,
+	.min_div = 2,
 };
 
 static const struct of_device_id sh_msiof_match[] = {
 	{ .compatible = "renesas,sh-mobile-msiof", .data = &sh_data },
-	{ .compatible = "renesas,msiof-r8a7790",   .data = &r8a779x_data },
-	{ .compatible = "renesas,msiof-r8a7791",   .data = &r8a779x_data },
-	{ .compatible = "renesas,msiof-r8a7792",   .data = &r8a779x_data },
-	{ .compatible = "renesas,msiof-r8a7793",   .data = &r8a779x_data },
-	{ .compatible = "renesas,msiof-r8a7794",   .data = &r8a779x_data },
-	{ .compatible = "renesas,rcar-gen2-msiof", .data = &r8a779x_data },
-	{ .compatible = "renesas,msiof-r8a7796",   .data = &r8a779x_data },
-	{ .compatible = "renesas,rcar-gen3-msiof", .data = &r8a779x_data },
+	{ .compatible = "renesas,msiof-r8a7790",   .data = &rcar_gen2_data },
+	{ .compatible = "renesas,msiof-r8a7791",   .data = &rcar_gen2_data },
+	{ .compatible = "renesas,msiof-r8a7792",   .data = &rcar_gen2_data },
+	{ .compatible = "renesas,msiof-r8a7793",   .data = &rcar_gen2_data },
+	{ .compatible = "renesas,msiof-r8a7794",   .data = &rcar_gen2_data },
+	{ .compatible = "renesas,rcar-gen2-msiof", .data = &rcar_gen2_data },
+	{ .compatible = "renesas,msiof-r8a7796",   .data = &rcar_gen3_data },
+	{ .compatible = "renesas,rcar-gen3-msiof", .data = &rcar_gen3_data },
 	{ .compatible = "renesas,sh-msiof",        .data = &sh_data }, /* Deprecated */
 	{},
 };
@@ -1230,6 +1243,7 @@ static int sh_msiof_spi_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, p);
 	p->master = master;
 	p->info = info;
+	p->min_div = chipdata->min_div;
 
 	init_completion(&p->done);
 
diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
index 75644bcd938b..680cdf549506 100644
--- a/drivers/spi/spi-stm32.c
+++ b/drivers/spi/spi-stm32.c
@@ -1132,7 +1132,7 @@ static int stm32_spi_probe(struct platform_device *pdev)
 		goto err_master_put;
 	}
 
-	spi->rst = devm_reset_control_get(&pdev->dev, NULL);
+	spi->rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
 	if (!IS_ERR(spi->rst)) {
 		reset_control_assert(spi->rst);
 		udelay(2);
diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c
index 03a773a9531a..fb38234249a8 100644
--- a/drivers/spi/spi-sun6i.c
+++ b/drivers/spi/spi-sun6i.c
@@ -502,7 +502,7 @@ static int sun6i_spi_probe(struct platform_device *pdev)
 
 	init_completion(&sspi->done);
 
-	sspi->rstc = devm_reset_control_get(&pdev->dev, NULL);
+	sspi->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
 	if (IS_ERR(sspi->rstc)) {
 		dev_err(&pdev->dev, "Couldn't get reset controller\n");
 		ret = PTR_ERR(sspi->rstc);
diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c
index 08012ae5aa66..44550182a4a3 100644
--- a/drivers/spi/spi-tegra114.c
+++ b/drivers/spi/spi-tegra114.c
@@ -1083,7 +1083,7 @@ static int tegra_spi_probe(struct platform_device *pdev)
 		goto exit_free_irq;
 	}
 
-	tspi->rst = devm_reset_control_get(&pdev->dev, "spi");
+	tspi->rst = devm_reset_control_get_exclusive(&pdev->dev, "spi");
 	if (IS_ERR(tspi->rst)) {
 		dev_err(&pdev->dev, "can not get reset\n");
 		ret = PTR_ERR(tspi->rst);
diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c
index 2c797ee2664d..22893a7e0aa0 100644
--- a/drivers/spi/spi-tegra20-sflash.c
+++ b/drivers/spi/spi-tegra20-sflash.c
@@ -485,7 +485,7 @@ static int tegra_sflash_probe(struct platform_device *pdev)
 		goto exit_free_irq;
 	}
 
-	tsd->rst = devm_reset_control_get(&pdev->dev, "spi");
+	tsd->rst = devm_reset_control_get_exclusive(&pdev->dev, "spi");
 	if (IS_ERR(tsd->rst)) {
 		dev_err(&pdev->dev, "can not get reset\n");
 		ret = PTR_ERR(tsd->rst);
diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
index 0c06ce424210..3e12d5f87ee4 100644
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -1081,7 +1081,7 @@ static int tegra_slink_probe(struct platform_device *pdev)
 		goto exit_free_irq;
 	}
 
-	tspi->rst = devm_reset_control_get(&pdev->dev, "spi");
+	tspi->rst = devm_reset_control_get_exclusive(&pdev->dev, "spi");
 	if (IS_ERR(tspi->rst)) {
 		dev_err(&pdev->dev, "can not get reset\n");
 		ret = PTR_ERR(tspi->rst);
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 4fcbb0aa71d3..0725c78b0de6 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1583,8 +1583,8 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi,
 
 	if (spi_controller_is_slave(ctlr)) {
 		if (strcmp(nc->name, "slave")) {
-			dev_err(&ctlr->dev, "%s is not called 'slave'\n",
-				nc->full_name);
+			dev_err(&ctlr->dev, "%pOF is not called 'slave'\n",
+				nc);
 			return -EINVAL;
 		}
 		return 0;
@@ -1593,8 +1593,8 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi,
 	/* Device address */
 	rc = of_property_read_u32(nc, "reg", &value);
 	if (rc) {
-		dev_err(&ctlr->dev, "%s has no valid 'reg' property (%d)\n",
-			nc->full_name, rc);
+		dev_err(&ctlr->dev, "%pOF has no valid 'reg' property (%d)\n",
+			nc, rc);
 		return rc;
 	}
 	spi->chip_select = value;
@@ -1603,8 +1603,7 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi,
 	rc = of_property_read_u32(nc, "spi-max-frequency", &value);
 	if (rc) {
 		dev_err(&ctlr->dev,
-			"%s has no valid 'spi-max-frequency' property (%d)\n",
-			nc->full_name, rc);
+			"%pOF has no valid 'spi-max-frequency' property (%d)\n", nc, rc);
 		return rc;
 	}
 	spi->max_speed_hz = value;
@@ -1621,8 +1620,7 @@ of_register_spi_device(struct spi_controller *ctlr, struct device_node *nc)
 	/* Alloc an spi_device */
 	spi = spi_alloc_device(ctlr);
 	if (!spi) {
-		dev_err(&ctlr->dev, "spi_device alloc error for %s\n",
-			nc->full_name);
+		dev_err(&ctlr->dev, "spi_device alloc error for %pOF\n", nc);
 		rc = -ENOMEM;
 		goto err_out;
 	}
@@ -1631,8 +1629,7 @@ of_register_spi_device(struct spi_controller *ctlr, struct device_node *nc)
 	rc = of_modalias_node(nc, spi->modalias,
 				sizeof(spi->modalias));
 	if (rc < 0) {
-		dev_err(&ctlr->dev, "cannot find modalias for %s\n",
-			nc->full_name);
+		dev_err(&ctlr->dev, "cannot find modalias for %pOF\n", nc);
 		goto err_out;
 	}
 
@@ -1647,8 +1644,7 @@ of_register_spi_device(struct spi_controller *ctlr, struct device_node *nc)
 	/* Register the new device */
 	rc = spi_add_device(spi);
 	if (rc) {
-		dev_err(&ctlr->dev, "spi_device register error %s\n",
-			nc->full_name);
+		dev_err(&ctlr->dev, "spi_device register error %pOF\n", nc);
 		goto err_of_node_put;
 	}
 
@@ -1682,8 +1678,7 @@ static void of_register_spi_devices(struct spi_controller *ctlr)
 		spi = of_register_spi_device(ctlr, nc);
 		if (IS_ERR(spi)) {
 			dev_warn(&ctlr->dev,
-				 "Failed to create SPI device for %s\n",
-				 nc->full_name);
+				 "Failed to create SPI device for %pOF\n", nc);
 			of_node_clear_flag(nc, OF_POPULATED);
 		}
 	}
@@ -3311,8 +3306,8 @@ static int of_spi_notify(struct notifier_block *nb, unsigned long action,
 		put_device(&ctlr->dev);
 
 		if (IS_ERR(spi)) {
-			pr_err("%s: failed to create for '%s'\n",
-					__func__, rd->dn->full_name);
+			pr_err("%s: failed to create for '%pOF'\n",
+					__func__, rd->dn);
 			of_node_clear_flag(rd->dn, OF_POPULATED);
 			return notifier_from_errno(PTR_ERR(spi));
 		}