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Commit 66944301 authored by Mark Brown's avatar Mark Brown
Browse files

Merge remote-tracking branches 'spi/topic/orion', 'spi/topic/pxa2xx',... 

Merge remote-tracking branches 'spi/topic/orion', 'spi/topic/pxa2xx', 'spi/topic/rspi' and 'spi/topic/s3c64xx' into spi-next
parents 830d705f 73482910 6906b0ec db300838 b099b131

drivers/spi/Kconfig

+3 −2
Original line number Diff line number Diff line
@@ -463,7 +463,8 @@ config SPI_ORION 
	tristate "Orion SPI master"

	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST

	help

	  This enables using the SPI master controller on the Orion chips.

	  This enables using the SPI master controller on the Orion

	  and MVEBU chips.



config SPI_PIC32

	tristate "Microchip PIC32 series SPI"
@@ -565,7 +566,7 @@ config SPI_S3C24XX_FIQ 


config SPI_S3C64XX

	tristate "Samsung S3C64XX series type SPI"

	depends on (PLAT_SAMSUNG || ARCH_EXYNOS)

	depends on (PLAT_SAMSUNG || ARCH_EXYNOS || COMPILE_TEST)

	help

	  SPI driver for Samsung S3C64XX and newer SoCs.

drivers/spi/spi-pxa2xx.h

+0 −1
Original line number Diff line number Diff line
@@ -109,7 +109,6 @@ static inline void pxa2xx_spi_write(const struct driver_data *drv_data, 
#define DONE_STATE ((void *)2)

#define ERROR_STATE ((void *)-1)



#define IS_DMA_ALIGNED(x)	IS_ALIGNED((unsigned long)(x), DMA_ALIGNMENT)

#define DMA_ALIGNMENT		8



static inline int pxa25x_ssp_comp(struct driver_data *drv_data)

drivers/spi/spi-rspi.c

+47 −5
Original line number Diff line number Diff line
@@ -413,7 +413,7 @@ static unsigned int qspi_set_send_trigger(struct rspi_data *rspi, 
	return n;

}



static void qspi_set_receive_trigger(struct rspi_data *rspi, unsigned int len)

static int qspi_set_receive_trigger(struct rspi_data *rspi, unsigned int len)

{

	unsigned int n;
@@ -428,6 +428,7 @@ static void qspi_set_receive_trigger(struct rspi_data *rspi, unsigned int len) 
		qspi_update(rspi, SPBFCR_RXTRG_MASK,

			     SPBFCR_RXTRG_1B, QSPI_SPBFCR);

	}

	return n;

}



#define set_config_register(spi, n) spi->ops->set_config_register(spi, n)
@@ -785,6 +786,9 @@ static int qspi_transfer_out_in(struct rspi_data *rspi, 


static int qspi_transfer_out(struct rspi_data *rspi, struct spi_transfer *xfer)

{

	const u8 *tx = xfer->tx_buf;

	unsigned int n = xfer->len;

	unsigned int i, len;

	int ret;



	if (rspi->master->can_dma && __rspi_can_dma(rspi, xfer)) {
@@ -793,9 +797,23 @@ static int qspi_transfer_out(struct rspi_data *rspi, struct spi_transfer *xfer) 
			return ret;

	}



	ret = rspi_pio_transfer(rspi, xfer->tx_buf, NULL, xfer->len);

	while (n > 0) {

		len = qspi_set_send_trigger(rspi, n);

		if (len == QSPI_BUFFER_SIZE) {

			ret = rspi_wait_for_tx_empty(rspi);

			if (ret < 0) {

				dev_err(&rspi->master->dev, "transmit timeout\n");

				return ret;

			}

			for (i = 0; i < len; i++)

				rspi_write_data(rspi, *tx++);

		} else {

			ret = rspi_pio_transfer(rspi, tx, NULL, n);

			if (ret < 0)

				return ret;

		}

		n -= len;

	}



	/* Wait for the last transmission */

	rspi_wait_for_tx_empty(rspi);
@@ -805,13 +823,37 @@ static int qspi_transfer_out(struct rspi_data *rspi, struct spi_transfer *xfer) 


static int qspi_transfer_in(struct rspi_data *rspi, struct spi_transfer *xfer)

{

	u8 *rx = xfer->rx_buf;

	unsigned int n = xfer->len;

	unsigned int i, len;

	int ret;



	if (rspi->master->can_dma && __rspi_can_dma(rspi, xfer)) {

		int ret = rspi_dma_transfer(rspi, NULL, &xfer->rx_sg);

		if (ret != -EAGAIN)

			return ret;

	}



	return rspi_pio_transfer(rspi, NULL, xfer->rx_buf, xfer->len);

	while (n > 0) {

		len = qspi_set_receive_trigger(rspi, n);

		if (len == QSPI_BUFFER_SIZE) {

			ret = rspi_wait_for_rx_full(rspi);

			if (ret < 0) {

				dev_err(&rspi->master->dev, "receive timeout\n");

				return ret;

			}

			for (i = 0; i < len; i++)

				*rx++ = rspi_read_data(rspi);

		} else {

			ret = rspi_pio_transfer(rspi, NULL, rx, n);

			if (ret < 0)

				return ret;

			*rx++ = ret;

		}

		n -= len;

	}



	return 0;

}



static int qspi_transfer_one(struct spi_master *master, struct spi_device *spi,