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-rw-r--r--drivers/spi/spi-bcm63xx.c16
-rw-r--r--drivers/spi/spi-mxs.c3
-rw-r--r--drivers/spi/spi-omap2-mcspi.c25
-rw-r--r--drivers/spi/spi-s3c64xx.c32
4 files changed, 42 insertions, 34 deletions
diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
index a9f4049c676..6d97047d924 100644
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -36,7 +36,6 @@
#include <bcm63xx_dev_spi.h>
#define PFX KBUILD_MODNAME
-#define DRV_VER "0.1.2"
struct bcm63xx_spi {
struct completion done;
@@ -170,13 +169,6 @@ static int bcm63xx_spi_setup(struct spi_device *spi)
return -EINVAL;
}
- ret = bcm63xx_spi_check_transfer(spi, NULL);
- if (ret < 0) {
- dev_err(&spi->dev, "setup: unsupported mode bits %x\n",
- spi->mode & ~MODEBITS);
- return ret;
- }
-
dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u nsec/bit\n",
__func__, spi->mode & MODEBITS, spi->bits_per_word, 0);
@@ -441,8 +433,8 @@ static int __devinit bcm63xx_spi_probe(struct platform_device *pdev)
goto out_clk_disable;
}
- dev_info(dev, "at 0x%08x (irq %d, FIFOs size %d) v%s\n",
- r->start, irq, bs->fifo_size, DRV_VER);
+ dev_info(dev, "at 0x%08x (irq %d, FIFOs size %d)\n",
+ r->start, irq, bs->fifo_size);
return 0;
@@ -485,6 +477,8 @@ static int bcm63xx_spi_suspend(struct device *dev)
platform_get_drvdata(to_platform_device(dev));
struct bcm63xx_spi *bs = spi_master_get_devdata(master);
+ spi_master_suspend(master);
+
clk_disable(bs->clk);
return 0;
@@ -498,6 +492,8 @@ static int bcm63xx_spi_resume(struct device *dev)
clk_enable(bs->clk);
+ spi_master_resume(master);
+
return 0;
}
diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c
index edf1360ab09..86dd04d6bc8 100644
--- a/drivers/spi/spi-mxs.c
+++ b/drivers/spi/spi-mxs.c
@@ -323,6 +323,7 @@ static int mxs_spi_txrx_dma(struct mxs_spi *spi, int cs,
if (!ret) {
dev_err(ssp->dev, "DMA transfer timeout\n");
ret = -ETIMEDOUT;
+ dmaengine_terminate_all(ssp->dmach);
goto err_vmalloc;
}
@@ -480,7 +481,7 @@ static int mxs_spi_transfer_one(struct spi_master *master,
first = last = 0;
}
- m->status = 0;
+ m->status = status;
spi_finalize_current_message(master);
return status;
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index 3542fdc664b..51046332677 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -130,6 +130,7 @@ struct omap2_mcspi {
struct omap2_mcspi_dma *dma_channels;
struct device *dev;
struct omap2_mcspi_regs ctx;
+ unsigned int pin_dir:1;
};
struct omap2_mcspi_cs {
@@ -765,8 +766,15 @@ static int omap2_mcspi_setup_transfer(struct spi_device *spi,
/* standard 4-wire master mode: SCK, MOSI/out, MISO/in, nCS
* REVISIT: this controller could support SPI_3WIRE mode.
*/
- l &= ~(OMAP2_MCSPI_CHCONF_IS|OMAP2_MCSPI_CHCONF_DPE1);
- l |= OMAP2_MCSPI_CHCONF_DPE0;
+ if (mcspi->pin_dir == MCSPI_PINDIR_D0_OUT_D1_IN) {
+ l &= ~OMAP2_MCSPI_CHCONF_IS;
+ l &= ~OMAP2_MCSPI_CHCONF_DPE1;
+ l |= OMAP2_MCSPI_CHCONF_DPE0;
+ } else {
+ l |= OMAP2_MCSPI_CHCONF_IS;
+ l |= OMAP2_MCSPI_CHCONF_DPE1;
+ l &= ~OMAP2_MCSPI_CHCONF_DPE0;
+ }
/* wordlength */
l &= ~OMAP2_MCSPI_CHCONF_WL_MASK;
@@ -1167,6 +1175,11 @@ static int __devinit omap2_mcspi_probe(struct platform_device *pdev)
master->cleanup = omap2_mcspi_cleanup;
master->dev.of_node = node;
+ dev_set_drvdata(&pdev->dev, master);
+
+ mcspi = spi_master_get_devdata(master);
+ mcspi->master = master;
+
match = of_match_device(omap_mcspi_of_match, &pdev->dev);
if (match) {
u32 num_cs = 1; /* default number of chipselect */
@@ -1175,19 +1188,17 @@ static int __devinit omap2_mcspi_probe(struct platform_device *pdev)
of_property_read_u32(node, "ti,spi-num-cs", &num_cs);
master->num_chipselect = num_cs;
master->bus_num = bus_num++;
+ if (of_get_property(node, "ti,pindir-d0-in-d1-out", NULL))
+ mcspi->pin_dir = MCSPI_PINDIR_D0_IN_D1_OUT;
} else {
pdata = pdev->dev.platform_data;
master->num_chipselect = pdata->num_cs;
if (pdev->id != -1)
master->bus_num = pdev->id;
+ mcspi->pin_dir = pdata->pin_dir;
}
regs_offset = pdata->regs_offset;
- dev_set_drvdata(&pdev->dev, master);
-
- mcspi = spi_master_get_devdata(master);
- mcspi->master = master;
-
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (r == NULL) {
status = -ENODEV;
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 1a81c90a4a7..06a5fe77743 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -516,7 +516,7 @@ static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd)
/* Disable Clock */
if (sdd->port_conf->clk_from_cmu) {
- clk_disable(sdd->src_clk);
+ clk_disable_unprepare(sdd->src_clk);
} else {
val = readl(regs + S3C64XX_SPI_CLK_CFG);
val &= ~S3C64XX_SPI_ENCLK_ENABLE;
@@ -564,7 +564,7 @@ static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd)
/* There is half-multiplier before the SPI */
clk_set_rate(sdd->src_clk, sdd->cur_speed * 2);
/* Enable Clock */
- clk_enable(sdd->src_clk);
+ clk_prepare_enable(sdd->src_clk);
} else {
/* Configure Clock */
val = readl(regs + S3C64XX_SPI_CLK_CFG);
@@ -1302,7 +1302,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
goto err3;
}
- if (clk_enable(sdd->clk)) {
+ if (clk_prepare_enable(sdd->clk)) {
dev_err(&pdev->dev, "Couldn't enable clock 'spi'\n");
ret = -EBUSY;
goto err4;
@@ -1317,7 +1317,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
goto err5;
}
- if (clk_enable(sdd->src_clk)) {
+ if (clk_prepare_enable(sdd->src_clk)) {
dev_err(&pdev->dev, "Couldn't enable clock '%s'\n", clk_name);
ret = -EBUSY;
goto err6;
@@ -1361,11 +1361,11 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
err8:
free_irq(irq, sdd);
err7:
- clk_disable(sdd->src_clk);
+ clk_disable_unprepare(sdd->src_clk);
err6:
clk_put(sdd->src_clk);
err5:
- clk_disable(sdd->clk);
+ clk_disable_unprepare(sdd->clk);
err4:
clk_put(sdd->clk);
err3:
@@ -1393,10 +1393,10 @@ static int s3c64xx_spi_remove(struct platform_device *pdev)
free_irq(platform_get_irq(pdev, 0), sdd);
- clk_disable(sdd->src_clk);
+ clk_disable_unprepare(sdd->src_clk);
clk_put(sdd->src_clk);
- clk_disable(sdd->clk);
+ clk_disable_unprepare(sdd->clk);
clk_put(sdd->clk);
if (!sdd->cntrlr_info->cfg_gpio && pdev->dev.of_node)
@@ -1417,8 +1417,8 @@ static int s3c64xx_spi_suspend(struct device *dev)
spi_master_suspend(master);
/* Disable the clock */
- clk_disable(sdd->src_clk);
- clk_disable(sdd->clk);
+ clk_disable_unprepare(sdd->src_clk);
+ clk_disable_unprepare(sdd->clk);
if (!sdd->cntrlr_info->cfg_gpio && dev->of_node)
s3c64xx_spi_dt_gpio_free(sdd);
@@ -1440,8 +1440,8 @@ static int s3c64xx_spi_resume(struct device *dev)
sci->cfg_gpio();
/* Enable the clock */
- clk_enable(sdd->src_clk);
- clk_enable(sdd->clk);
+ clk_prepare_enable(sdd->src_clk);
+ clk_prepare_enable(sdd->clk);
s3c64xx_spi_hwinit(sdd, sdd->port_id);
@@ -1457,8 +1457,8 @@ static int s3c64xx_spi_runtime_suspend(struct device *dev)
struct spi_master *master = dev_get_drvdata(dev);
struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
- clk_disable(sdd->clk);
- clk_disable(sdd->src_clk);
+ clk_disable_unprepare(sdd->clk);
+ clk_disable_unprepare(sdd->src_clk);
return 0;
}
@@ -1468,8 +1468,8 @@ static int s3c64xx_spi_runtime_resume(struct device *dev)
struct spi_master *master = dev_get_drvdata(dev);
struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
- clk_enable(sdd->src_clk);
- clk_enable(sdd->clk);
+ clk_prepare_enable(sdd->src_clk);
+ clk_prepare_enable(sdd->clk);
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-19 08:12:30 +0000