[RFC PATCH 49/57] drivers: mfd: altera: Use driver_find_device_by_of_node() helper

Suzuki K Poulose
2019-06-03T15:52:18Z

Use the new helper to find device by of_node.

Cc: Thor Thayer <thor.thayer@linux.intel.com>
Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/mfd/altera-sysmgr.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/mfd/altera-sysmgr.c b/drivers/mfd/altera-sysmgr.c
index 2ee14d8..1fbe06c 100644
--- a/drivers/mfd/altera-sysmgr.c
+++ b/drivers/mfd/altera-sysmgr.c
@@ -88,16 +88,6 @@ static struct regmap_config altr_sysmgr_regmap_cfg = {
};

/**
- * sysmgr_match_phandle
- * Matching function used by driver_find_device().
- * Return: True if match is found, otherwise false.
- */
-static int sysmgr_match_phandle(struct device *dev, const void *data)
-{
- return dev->of_node == (const struct device_node *)data;
-}
-
-/**
* altr_sysmgr_regmap_lookup_by_phandle
* Find the sysmgr previous configured in probe() and return regmap property.
* Return: regmap if found or error if not found.
@@ -117,8 +107,8 @@ struct regmap *altr_sysmgr_regmap_lookup_by_phandle(struct device_node *np,
if (!sysmgr_np)
return ERR_PTR(-ENODEV);

- dev = driver_find_device(&altr_sysmgr_driver.driver, NULL,
- (void *)sysmgr_np, sysmgr_match_phandle);
+ dev = driver_find_device_by_of_node(&altr_sysmgr_driver.driver, NULL,
+ (void *)sysmgr_np);
of_node_put(sysmgr_np);
if (!dev)
return ERR_PTR(-EPROBE_DEFER);
--
2.7.4