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Date: Mon, 21 Sep 2015 18:04:15 +0800
From: Jisheng Zhang <jszhang@...vell.com>
To: <sebastian.hesselbarth@...il.com>, <linus.walleij@...aro.org>,
<antoine.tenart@...e-electrons.com>, <catalin.marinas@....com>,
<will.deacon@....com>, <mark.rutland@....com>,
<robh+dt@...nel.org>, <pawel.moll@....com>,
<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>
CC: <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Jisheng Zhang <jszhang@...vell.com>
Subject: [PATCH v2 1/6] pinctrl: berlin: regmap as an extra argument of berlin_pinctrl_probe()
Let berlin_pinctrl_probe() accepts an extra argument: regmap, this is to
prepare for the next berlin4ct support, where we won't use simple-mfd
any more.
Signed-off-by: Jisheng Zhang <jszhang@...vell.com>
---
drivers/pinctrl/berlin/berlin-bg2.c | 10 +++++++++-
drivers/pinctrl/berlin/berlin-bg2cd.c | 10 +++++++++-
drivers/pinctrl/berlin/berlin-bg2q.c | 10 +++++++++-
drivers/pinctrl/berlin/berlin.c | 9 +--------
drivers/pinctrl/berlin/berlin.h | 1 +
5 files changed, 29 insertions(+), 11 deletions(-)
diff --git a/drivers/pinctrl/berlin/berlin-bg2.c b/drivers/pinctrl/berlin/berlin-bg2.c
index 274c553..4aede2e 100644
--- a/drivers/pinctrl/berlin/berlin-bg2.c
+++ b/drivers/pinctrl/berlin/berlin-bg2.c
@@ -10,6 +10,7 @@
* warranty of any kind, whether express or implied.
*/
+#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
@@ -233,8 +234,15 @@ static int berlin2_pinctrl_probe(struct platform_device *pdev)
{
const struct of_device_id *match =
of_match_device(berlin2_pinctrl_match, &pdev->dev);
+ struct device *dev = &pdev->dev;
+ struct device_node *parent_np = of_get_parent(dev->of_node);
+ struct regmap *regmap = syscon_node_to_regmap(parent_np);
- return berlin_pinctrl_probe(pdev, match->data);
+ of_node_put(parent_np);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ return berlin_pinctrl_probe(pdev, regmap, match->data);
}
static struct platform_driver berlin2_pinctrl_driver = {
diff --git a/drivers/pinctrl/berlin/berlin-bg2cd.c b/drivers/pinctrl/berlin/berlin-bg2cd.c
index 0cb793a..6378dd8 100644
--- a/drivers/pinctrl/berlin/berlin-bg2cd.c
+++ b/drivers/pinctrl/berlin/berlin-bg2cd.c
@@ -10,6 +10,7 @@
* warranty of any kind, whether express or implied.
*/
+#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
@@ -176,8 +177,15 @@ static int berlin2cd_pinctrl_probe(struct platform_device *pdev)
{
const struct of_device_id *match =
of_match_device(berlin2cd_pinctrl_match, &pdev->dev);
+ struct device *dev = &pdev->dev;
+ struct device_node *parent_np = of_get_parent(dev->of_node);
+ struct regmap *regmap = syscon_node_to_regmap(parent_np);
- return berlin_pinctrl_probe(pdev, match->data);
+ of_node_put(parent_np);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ return berlin_pinctrl_probe(pdev, regmap, match->data);
}
static struct platform_driver berlin2cd_pinctrl_driver = {
diff --git a/drivers/pinctrl/berlin/berlin-bg2q.c b/drivers/pinctrl/berlin/berlin-bg2q.c
index a466054..907bdf0 100644
--- a/drivers/pinctrl/berlin/berlin-bg2q.c
+++ b/drivers/pinctrl/berlin/berlin-bg2q.c
@@ -10,6 +10,7 @@
* warranty of any kind, whether express or implied.
*/
+#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
@@ -395,8 +396,15 @@ static int berlin2q_pinctrl_probe(struct platform_device *pdev)
{
const struct of_device_id *match =
of_match_device(berlin2q_pinctrl_match, &pdev->dev);
+ struct device *dev = &pdev->dev;
+ struct device_node *parent_np = of_get_parent(dev->of_node);
+ struct regmap *regmap = syscon_node_to_regmap(parent_np);
- return berlin_pinctrl_probe(pdev, match->data);
+ of_node_put(parent_np);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ return berlin_pinctrl_probe(pdev, regmap, match->data);
}
static struct platform_driver berlin2q_pinctrl_driver = {
diff --git a/drivers/pinctrl/berlin/berlin.c b/drivers/pinctrl/berlin/berlin.c
index f495806..0557bbe 100644
--- a/drivers/pinctrl/berlin/berlin.c
+++ b/drivers/pinctrl/berlin/berlin.c
@@ -11,7 +11,6 @@
*/
#include <linux/io.h>
-#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
@@ -293,19 +292,13 @@ static struct pinctrl_desc berlin_pctrl_desc = {
};
int berlin_pinctrl_probe(struct platform_device *pdev,
+ struct regmap *regmap,
const struct berlin_pinctrl_desc *desc)
{
struct device *dev = &pdev->dev;
- struct device_node *parent_np = of_get_parent(dev->of_node);
struct berlin_pinctrl *pctrl;
- struct regmap *regmap;
int ret;
- regmap = syscon_node_to_regmap(parent_np);
- of_node_put(parent_np);
- if (IS_ERR(regmap))
- return PTR_ERR(regmap);
-
pctrl = devm_kzalloc(dev, sizeof(*pctrl), GFP_KERNEL);
if (!pctrl)
return -ENOMEM;
diff --git a/drivers/pinctrl/berlin/berlin.h b/drivers/pinctrl/berlin/berlin.h
index e1aa841..bf5781a 100644
--- a/drivers/pinctrl/berlin/berlin.h
+++ b/drivers/pinctrl/berlin/berlin.h
@@ -56,6 +56,7 @@ struct berlin_pinctrl_function {
#define BERLIN_PINCTRL_FUNCTION_UNKNOWN {}
int berlin_pinctrl_probe(struct platform_device *pdev,
+ struct regmap *regmap,
const struct berlin_pinctrl_desc *desc);
#endif /* __PINCTRL_BERLIN_H */
--
2.5.3
--
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