[PATCH 05/19] w1: Use device platform_data to retrieve ds1wm platform bits

Samuel Ortiz
2011-05-09T00:33:16Z

With the addition of the platform device mfd_cell pointer, we can now
cleanly pass the sub device drivers platform data pointers through the
regular device platform_data one, and get rid of mfd_get_data().

Cc: Matt Reimer <mreimer@vpop.net>
Cc: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/asic3.c | 3 ++-
drivers/mfd/htc-pasic3.c | 3 ++-
drivers/w1/masters/ds1wm.c | 12 ++++++++++--
3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index 1df4f2c..0536e11 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -676,7 +676,8 @@ static struct mfd_cell asic3_cell_ds1wm = {
.name = "ds1wm",
.enable = ds1wm_enable,
.disable = ds1wm_disable,
- .mfd_data = &ds1wm_pdata,
+ .platform_data = &ds1wm_pdata,
+ .pdata_size = sizeof(ds1wm_pdata),
.num_resources = ARRAY_SIZE(ds1wm_resources),
.resources = ds1wm_resources,
};
diff --git a/drivers/mfd/htc-pasic3.c b/drivers/mfd/htc-pasic3.c
index fb9770b..95a4ff4 100644
--- a/drivers/mfd/htc-pasic3.c
+++ b/drivers/mfd/htc-pasic3.c
@@ -117,7 +117,8 @@ static struct mfd_cell ds1wm_cell __initdata = {
.name = "ds1wm",
.enable = ds1wm_enable,
.disable = ds1wm_disable,
- .mfd_data = &ds1wm_pdata,
+ .platform_data = &ds1wm_pdata,
+ .pdata_size = sizeof(ds1wm_pdata),
.num_resources = 2,
.resources = ds1wm_resources,
};
diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c
index 2f4fa02..0855d6c 100644
--- a/drivers/w1/masters/ds1wm.c
+++ b/drivers/w1/masters/ds1wm.c
@@ -216,7 +216,7 @@ static int ds1wm_find_divisor(int gclk)
static void ds1wm_up(struct ds1wm_data *ds1wm_data)
{
int divisor;
- struct ds1wm_driver_data *plat = mfd_get_data(ds1wm_data->pdev);
+ struct ds1wm_driver_data *plat = ds1wm_data->pdev->dev.platform_data;

if (ds1wm_data->cell->enable)
ds1wm_data->cell->enable(ds1wm_data->pdev);
@@ -351,13 +351,21 @@ static int ds1wm_probe(struct platform_device *pdev)
ret = -ENOMEM;
goto err0;
}
- plat = mfd_get_data(pdev);

/* calculate bus shift from mem resource */
ds1wm_data->bus_shift = resource_size(res) >> 3;

ds1wm_data->pdev = pdev;
ds1wm_data->cell = mfd_get_cell(pdev);
+ if (!ds1wm_data->cell) {
+ ret = -ENODEV;
+ goto err1;
+ }
+ plat = pdev->dev.platform_data;
+ if (!plat) {
+ ret = -ENODEV;
+ goto err1;
+ }

res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!res) {
--
1.7.2.3