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yaml
---
r: 343618
b: refs/heads/master
c: 9f667bf
h: refs/heads/master
v: v3
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Thomas Abraham authored and Mark Brown committed Oct 17, 2012
1 parent da89bb4 commit 45447ed
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Showing 5 changed files with 25 additions and 42 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 0384e90b853357d24935c65ba0e1bdd27faa6e58
refs/heads/master: 9f667bff0f48d01a4474fa879cb384331584a4ee
4 changes: 1 addition & 3 deletions trunk/Documentation/devicetree/bindings/spi/omap-spi.txt
Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,7 @@ Required properties:
- "ti,omap4-spi" for OMAP4+.
- ti,spi-num-cs : Number of chipselect supported by the instance.
- ti,hwmods: Name of the hwmod associated to the McSPI
- ti,pindir-d0-in-d1-out: Select the D0 pin as input and D1 as
output. The default is D0 as output and
D1 as input.


Example:

Expand Down
25 changes: 7 additions & 18 deletions trunk/drivers/spi/spi-omap2-mcspi.c
Original file line number Diff line number Diff line change
Expand Up @@ -130,7 +130,6 @@ 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 {
Expand Down Expand Up @@ -766,15 +765,8 @@ 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.
*/
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;
}
l &= ~(OMAP2_MCSPI_CHCONF_IS|OMAP2_MCSPI_CHCONF_DPE1);
l |= OMAP2_MCSPI_CHCONF_DPE0;

/* wordlength */
l &= ~OMAP2_MCSPI_CHCONF_WL_MASK;
Expand Down Expand Up @@ -1175,11 +1167,6 @@ 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 */
Expand All @@ -1188,17 +1175,19 @@ 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;
Expand Down
32 changes: 16 additions & 16 deletions trunk/drivers/spi/spi-s3c64xx.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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;
Expand All @@ -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;
Expand Down Expand Up @@ -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:
Expand Down Expand Up @@ -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)
Expand All @@ -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);
Expand All @@ -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);

Expand All @@ -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;
}
Expand All @@ -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;
}
Expand Down
4 changes: 0 additions & 4 deletions trunk/include/linux/platform_data/spi-omap2-mcspi.h
Original file line number Diff line number Diff line change
Expand Up @@ -7,13 +7,9 @@

#define OMAP4_MCSPI_REG_OFFSET 0x100

#define MCSPI_PINDIR_D0_OUT_D1_IN 0
#define MCSPI_PINDIR_D0_IN_D1_OUT 1

struct omap2_mcspi_platform_config {
unsigned short num_cs;
unsigned int regs_offset;
unsigned int pin_dir:1;
};

struct omap2_mcspi_dev_attr {
Expand Down

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