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authorIan Molton <spyro@f2s.com>2008-10-09 22:06:09 +0400
committerSamuel Ortiz <samuel@sortiz.org>2008-10-20 00:54:12 +0400
commit7acb706ca97fce84bda4a902a33de2f3dae10260 (patch)
tree90e6468e55ea1029258dda97a5f2c0e1566ef8d2 /drivers/mfd/tc6387xb.c
parent9297a0e7e033b7f2776610197fcbb9ff563efe32 (diff)
downloadlinux-7acb706ca97fce84bda4a902a33de2f3dae10260.tar.xz
mfd: update TMIO drivers to use the clock API
This patch updates the remaining two TMIO drivers to use the clock API rather than callback hooks into platform code. Signed-off-by: Ian Molton <spyro@f2s.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Diffstat (limited to 'drivers/mfd/tc6387xb.c')
-rw-r--r--drivers/mfd/tc6387xb.c47
1 files changed, 29 insertions, 18 deletions
diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c
index a22b21ac6cf8..43222c12fec1 100644
--- a/drivers/mfd/tc6387xb.c
+++ b/drivers/mfd/tc6387xb.c
@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/clk.h>
#include <linux/err.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tmio.h>
@@ -24,18 +25,22 @@ enum {
#ifdef CONFIG_PM
static int tc6387xb_suspend(struct platform_device *dev, pm_message_t state)
{
- struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
+ struct clk *clk32k = platform_get_drvdata(dev);
+ struct tc6387xb_platform_data *pdata = dev->dev.platform_data;
if (pdata && pdata->suspend)
pdata->suspend(dev);
+ clk_disable(clk32k);
return 0;
}
static int tc6387xb_resume(struct platform_device *dev)
{
- struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
+ struct clk *clk32k = platform_get_drvdata(dev);
+ struct tc6387xb_platform_data *pdata = dev->dev.platform_data;
+ clk_enable(clk32k);
if (pdata && pdata->resume)
pdata->resume(dev);
@@ -51,10 +56,9 @@ static int tc6387xb_resume(struct platform_device *dev)
static int tc6387xb_mmc_enable(struct platform_device *mmc)
{
struct platform_device *dev = to_platform_device(mmc->dev.parent);
- struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
+ struct clk *clk32k = platform_get_drvdata(dev);
- if (tc6387xb->enable_clk32k)
- tc6387xb->enable_clk32k(dev);
+ clk_enable(clk32k);
return 0;
}
@@ -62,10 +66,9 @@ static int tc6387xb_mmc_enable(struct platform_device *mmc)
static int tc6387xb_mmc_disable(struct platform_device *mmc)
{
struct platform_device *dev = to_platform_device(mmc->dev.parent);
- struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
+ struct clk *clk32k = platform_get_drvdata(dev);
- if (tc6387xb->disable_clk32k)
- tc6387xb->disable_clk32k(dev);
+ clk_disable(clk32k);
return 0;
}
@@ -102,14 +105,14 @@ static struct mfd_cell tc6387xb_cells[] = {
static int tc6387xb_probe(struct platform_device *dev)
{
- struct tc6387xb_platform_data *data = platform_get_drvdata(dev);
+ struct tc6387xb_platform_data *pdata = dev->dev.platform_data;
struct resource *iomem;
+ struct clk *clk32k;
int irq, ret;
iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (!iomem) {
- ret = -EINVAL;
- goto err_resource;
+ return -EINVAL;
}
ret = platform_get_irq(dev, 0);
@@ -118,8 +121,15 @@ static int tc6387xb_probe(struct platform_device *dev)
else
goto err_resource;
- if (data && data->enable)
- data->enable(dev);
+ clk32k = clk_get(&dev->dev, "CLK_CK32K");
+ if (IS_ERR(clk32k)) {
+ ret = PTR_ERR(clk32k);
+ goto err_resource;
+ }
+ platform_set_drvdata(dev, clk32k);
+
+ if (pdata && pdata->enable)
+ pdata->enable(dev);
printk(KERN_INFO "Toshiba tc6387xb initialised\n");
@@ -134,18 +144,19 @@ static int tc6387xb_probe(struct platform_device *dev)
if (!ret)
return 0;
+ clk_put(clk32k);
err_resource:
return ret;
}
static int tc6387xb_remove(struct platform_device *dev)
{
- struct tc6387xb_platform_data *data = platform_get_drvdata(dev);
-
- if (data && data->disable)
- data->disable(dev);
+ struct clk *clk32k = platform_get_drvdata(dev);
- /* FIXME - free the resources! */
+ mfd_remove_devices(&dev->dev);
+ clk_disable(clk32k);
+ clk_put(clk32k);
+ platform_set_drvdata(dev, NULL);
return 0;
}