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Merge remote-tracking branches 'spi/fix/atmel', 'spi/fix/bfin5xx', 'spi/fix/hspi' and 'spi/fix/sirf' into spi-linus

hifive-unleashed-5.1
Mark Brown 2014-04-23 13:50:18 +01:00
parent a798c10faf 1676014ef9 e8304d04ac 4a4dd7d80e 6ee8a2f7d5
commit 201f9e4dd5
5 changed files with 24 additions and 6 deletions
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2
arch/arm/mach-shmobile/clock-r8a7778.c
View File

@ -170,7 +170,7 @@ static struct clk mstp_clks[MSTP_NR] = {
[MSTP010] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 10, 0), /* SSI2 */
[MSTP009] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 9, 0), /* SSI3 */
[MSTP008] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 8, 0), /* SRU */
[MSTP007] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 7, 0), /* HSPI */
[MSTP007] = SH_CLK_MSTP32(&s_clk, MSTPCR0, 7, 0), /* HSPI */
};
static struct clk_lookup lookups[] = {

3
drivers/spi/spi-atmel.c
View File

@ -1115,8 +1115,11 @@ static int atmel_spi_one_transfer(struct spi_master *master,
atmel_spi_next_xfer_pio(master, xfer);
}
/* interrupts are disabled, so free the lock for schedule */
atmel_spi_unlock(as);
ret = wait_for_completion_timeout(&as->xfer_completion,
SPI_DMA_TIMEOUT);
atmel_spi_lock(as);
if (WARN_ON(ret == 0)) {
dev_err(&spi->dev,
"spi trasfer timeout, err %d\n", ret);

1
drivers/spi/spi-bfin5xx.c
View File

@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/gpio.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/ioport.h>

4
drivers/spi/spi-sh-hspi.c
View File

@ -244,9 +244,9 @@ static int hspi_probe(struct platform_device *pdev)
return -ENOMEM;
}
clk = clk_get(NULL, "shyway_clk");
clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "shyway_clk is required\n");
dev_err(&pdev->dev, "couldn't get clock\n");
ret = -EINVAL;
goto error0;
}

20
drivers/spi/spi-sirf.c
View File

@ -287,8 +287,8 @@ static irqreturn_t spi_sirfsoc_irq(int irq, void *dev_id)
sspi->left_rx_word)
sspi->rx_word(sspi);
if (spi_stat & (SIRFSOC_SPI_FIFO_EMPTY
| SIRFSOC_SPI_TXFIFO_THD_REACH))
if (spi_stat & (SIRFSOC_SPI_TXFIFO_EMPTY |
SIRFSOC_SPI_TXFIFO_THD_REACH))
while (!((readl(sspi->base + SIRFSOC_SPI_TXFIFO_STATUS)
& SIRFSOC_SPI_FIFO_FULL)) &&
sspi->left_tx_word)
@ -470,7 +470,16 @@ static void spi_sirfsoc_chipselect(struct spi_device *spi, int value)
writel(regval, sspi->base + SIRFSOC_SPI_CTRL);
} else {
int gpio = sspi->chipselect[spi->chip_select];
gpio_direction_output(gpio, spi->mode & SPI_CS_HIGH ? 0 : 1);
switch (value) {
case BITBANG_CS_ACTIVE:
gpio_direction_output(gpio,
spi->mode & SPI_CS_HIGH ? 1 : 0);
break;
case BITBANG_CS_INACTIVE:
gpio_direction_output(gpio,
spi->mode & SPI_CS_HIGH ? 0 : 1);
break;
}
}
}
@ -559,6 +568,11 @@ spi_sirfsoc_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
regval &= ~SIRFSOC_SPI_CMD_MODE;
sspi->tx_by_cmd = false;
}
/*
* set spi controller in RISC chipselect mode, we are controlling CS by
* software BITBANG_CS_ACTIVE and BITBANG_CS_INACTIVE.
*/
regval |= SIRFSOC_SPI_CS_IO_MODE;
writel(regval, sspi->base + SIRFSOC_SPI_CTRL);
if (IS_DMA_VALID(t)) {