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-rw-r--r--drivers/spi/Kconfig6
-rw-r--r--drivers/spi/omap2_mcspi.c5
-rw-r--r--drivers/spi/pxa2xx_spi.c25
-rw-r--r--drivers/spi/spi.c8
-rw-r--r--drivers/spi/spi_mpc8xxx.c2
5 files changed, 24 insertions, 22 deletions
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index a191fa2be7c..f950b631694 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -180,10 +180,10 @@ config SPI_OMAP_UWIRE
This hooks up to the MicroWire controller on OMAP1 chips.
config SPI_OMAP24XX
- tristate "McSPI driver for OMAP24xx/OMAP34xx"
- depends on ARCH_OMAP2 || ARCH_OMAP3
+ tristate "McSPI driver for OMAP"
+ depends on ARCH_OMAP2PLUS
help
- SPI master controller for OMAP24xx/OMAP34xx Multichannel SPI
+ SPI master controller for OMAP24XX and later Multichannel SPI
(McSPI) modules.
config SPI_OMAP_100K
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index d8356af118a..e0de0d0eede 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -204,6 +204,7 @@ static inline void mcspi_write_chconf0(const struct spi_device *spi, u32 val)
cs->chconf0 = val;
mcspi_write_cs_reg(spi, OMAP2_MCSPI_CHCONF0, val);
+ mcspi_read_cs_reg(spi, OMAP2_MCSPI_CHCONF0);
}
static void omap2_mcspi_set_dma_req(const struct spi_device *spi,
@@ -532,7 +533,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
goto out;
}
#ifdef VERBOSE
- dev_dbg(&spi->dev, "write-%d %04x\n",
+ dev_dbg(&spi->dev, "write-%d %08x\n",
word_len, *tx);
#endif
__raw_writel(*tx++, tx_reg);
@@ -550,7 +551,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
mcspi_write_chconf0(spi, l);
*rx++ = __raw_readl(rx_reg);
#ifdef VERBOSE
- dev_dbg(&spi->dev, "read-%d %04x\n",
+ dev_dbg(&spi->dev, "read-%d %08x\n",
word_len, *(rx - 1));
#endif
}
diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c
index 36828358a4d..e76b1afafe0 100644
--- a/drivers/spi/pxa2xx_spi.c
+++ b/drivers/spi/pxa2xx_spi.c
@@ -36,8 +36,7 @@
#include <asm/delay.h>
#include <mach/dma.h>
-#include <mach/regs-ssp.h>
-#include <mach/ssp.h>
+#include <plat/ssp.h>
#include <mach/pxa2xx_spi.h>
MODULE_AUTHOR("Stephen Street");
@@ -1318,14 +1317,14 @@ static int setup(struct spi_device *spi)
/* NOTE: PXA25x_SSP _could_ use external clocking ... */
if (drv_data->ssp_type != PXA25x_SSP)
dev_dbg(&spi->dev, "%ld Hz actual, %s\n",
- clk_get_rate(ssp->clk)
- / (1 + ((chip->cr0 & SSCR0_SCR) >> 8)),
- chip->enable_dma ? "DMA" : "PIO");
+ clk_get_rate(ssp->clk)
+ / (1 + ((chip->cr0 & SSCR0_SCR(0xfff)) >> 8)),
+ chip->enable_dma ? "DMA" : "PIO");
else
dev_dbg(&spi->dev, "%ld Hz actual, %s\n",
- clk_get_rate(ssp->clk) / 2
- / (1 + ((chip->cr0 & SSCR0_SCR) >> 8)),
- chip->enable_dma ? "DMA" : "PIO");
+ clk_get_rate(ssp->clk) / 2
+ / (1 + ((chip->cr0 & SSCR0_SCR(0x0ff)) >> 8)),
+ chip->enable_dma ? "DMA" : "PIO");
if (spi->bits_per_word <= 8) {
chip->n_bytes = 1;
@@ -1466,7 +1465,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
platform_info = dev->platform_data;
- ssp = ssp_request(pdev->id, pdev->name);
+ ssp = pxa_ssp_request(pdev->id, pdev->name);
if (ssp == NULL) {
dev_err(&pdev->dev, "failed to request SSP%d\n", pdev->id);
return -ENODEV;
@@ -1476,7 +1475,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
master = spi_alloc_master(dev, sizeof(struct driver_data) + 16);
if (!master) {
dev_err(&pdev->dev, "cannot alloc spi_master\n");
- ssp_free(ssp);
+ pxa_ssp_free(ssp);
return -ENOMEM;
}
drv_data = spi_master_get_devdata(master);
@@ -1558,7 +1557,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
write_SSCR1(SSCR1_RxTresh(RX_THRESH_DFLT) |
SSCR1_TxTresh(TX_THRESH_DFLT),
drv_data->ioaddr);
- write_SSCR0(SSCR0_SerClkDiv(2)
+ write_SSCR0(SSCR0_SCR(2)
| SSCR0_Motorola
| SSCR0_DataSize(8),
drv_data->ioaddr);
@@ -1605,7 +1604,7 @@ out_error_irq_alloc:
out_error_master_alloc:
spi_master_put(master);
- ssp_free(ssp);
+ pxa_ssp_free(ssp);
return status;
}
@@ -1649,7 +1648,7 @@ static int pxa2xx_spi_remove(struct platform_device *pdev)
free_irq(ssp->irq, drv_data);
/* Release SSP */
- ssp_free(ssp);
+ pxa_ssp_free(ssp);
/* Disconnect from the SPI framework */
spi_unregister_master(drv_data->master);
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 9ffb0fdbd6f..b3a1f9259b6 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -41,7 +41,7 @@ static void spidev_release(struct device *dev)
spi->master->cleanup(spi);
spi_master_put(spi->master);
- kfree(dev);
+ kfree(spi);
}
static ssize_t
@@ -257,6 +257,7 @@ int spi_add_device(struct spi_device *spi)
{
static DEFINE_MUTEX(spi_add_lock);
struct device *dev = spi->master->dev.parent;
+ struct device *d;
int status;
/* Chipselects are numbered 0..max; validate. */
@@ -278,10 +279,11 @@ int spi_add_device(struct spi_device *spi)
*/
mutex_lock(&spi_add_lock);
- if (bus_find_device_by_name(&spi_bus_type, NULL, dev_name(&spi->dev))
- != NULL) {
+ d = bus_find_device_by_name(&spi_bus_type, NULL, dev_name(&spi->dev));
+ if (d != NULL) {
dev_err(dev, "chipselect %d already in use\n",
spi->chip_select);
+ put_device(d);
status = -EBUSY;
goto done;
}
diff --git a/drivers/spi/spi_mpc8xxx.c b/drivers/spi/spi_mpc8xxx.c
index 77ab15e330d..75b7f8c0bab 100644
--- a/drivers/spi/spi_mpc8xxx.c
+++ b/drivers/spi/spi_mpc8xxx.c
@@ -640,7 +640,7 @@ static int mpc8xxx_spi_setup(struct spi_device *spi)
}
mpc8xxx_spi = spi_master_get_devdata(spi->master);
- hw_mode = cs->hw_mode; /* Save orginal settings */
+ hw_mode = cs->hw_mode; /* Save original settings */
cs->hw_mode = mpc8xxx_spi_read_reg(&mpc8xxx_spi->base->mode);
/* mask out bits we are going to set */
cs->hw_mode &= ~(SPMODE_CP_BEGIN_EDGECLK | SPMODE_CI_INACTIVEHIGH
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-19 17:05:22 +0000