[PATCH] pinctrl: vt8500: make bool drivers explicitly non-modular

From: Paul Gortmaker
Date: Wed Nov 09 2016 - 10:46:23 EST


None of the Kconfigs for any of these drivers are tristate, meaning
that they currently are not being built as a module by anyone.

Lets remove the modular code that is essentially orphaned, so that
when reading the drivers there is no doubt they are builtin-only. All
drivers get the exact same change, so they are handled in batch.

Changes are (1) use builtin_platform_driver, (2) use init.h header
(3) delete module_exit related code, (4) delete MODULE_DEVICE_TABLE,
(5) delete MODULE_LICENCE/MODULE_AUTHOR and associated tags and (6)
drop ".remove" code and prevent sysfs unbind attempts to call ".remove".

Once this is done, the shared remove function in wmt.[ch] is no longer
used and hence it is removed as well.

Since module_platform_driver() uses the same init level priority as
builtin_platform_driver() the init ordering remains unchanged with
this commit.

Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.

We also delete the MODULE_LICENSE etc. tags since all that information
is already contained at the top of each file in the comments.

Cc: Tony Prisk <linux@xxxxxxxxxxxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Cc: linux-gpio@xxxxxxxxxxxxxxx
Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
---

[build tested allmodconfig + all the below C files individually on arm]

drivers/pinctrl/vt8500/pinctrl-vt8500.c | 17 +++--------------
drivers/pinctrl/vt8500/pinctrl-wm8505.c | 17 +++--------------
drivers/pinctrl/vt8500/pinctrl-wm8650.c | 17 +++--------------
drivers/pinctrl/vt8500/pinctrl-wm8750.c | 17 +++--------------
drivers/pinctrl/vt8500/pinctrl-wm8850.c | 17 +++--------------
drivers/pinctrl/vt8500/pinctrl-wmt.c | 10 ----------
drivers/pinctrl/vt8500/pinctrl-wmt.h | 1 -
7 files changed, 15 insertions(+), 81 deletions(-)

diff --git a/drivers/pinctrl/vt8500/pinctrl-vt8500.c b/drivers/pinctrl/vt8500/pinctrl-vt8500.c
index ca946b3dbdb4..767f340d6b11 100644
--- a/drivers/pinctrl/vt8500/pinctrl-vt8500.c
+++ b/drivers/pinctrl/vt8500/pinctrl-vt8500.c
@@ -14,7 +14,7 @@
*/

#include <linux/io.h>
-#include <linux/module.h>
+#include <linux/init.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -473,11 +473,6 @@ static int vt8500_pinctrl_probe(struct platform_device *pdev)
return wmt_pinctrl_probe(pdev, data);
}

-static int vt8500_pinctrl_remove(struct platform_device *pdev)
-{
- return wmt_pinctrl_remove(pdev);
-}
-
static const struct of_device_id wmt_pinctrl_of_match[] = {
{ .compatible = "via,vt8500-pinctrl" },
{ /* sentinel */ },
@@ -485,16 +480,10 @@ static const struct of_device_id wmt_pinctrl_of_match[] = {

static struct platform_driver wmt_pinctrl_driver = {
.probe = vt8500_pinctrl_probe,
- .remove = vt8500_pinctrl_remove,
.driver = {
.name = "pinctrl-vt8500",
.of_match_table = wmt_pinctrl_of_match,
+ .suppress_bind_attrs = true,
},
};
-
-module_platform_driver(wmt_pinctrl_driver);
-
-MODULE_AUTHOR("Tony Prisk <linux@xxxxxxxxxxxxxxx>");
-MODULE_DESCRIPTION("VIA VT8500 Pincontrol driver");
-MODULE_LICENSE("GPL v2");
-MODULE_DEVICE_TABLE(of, wmt_pinctrl_of_match);
+builtin_platform_driver(wmt_pinctrl_driver);
diff --git a/drivers/pinctrl/vt8500/pinctrl-wm8505.c b/drivers/pinctrl/vt8500/pinctrl-wm8505.c
index 626fc7ec0174..a56fdbd87e42 100644
--- a/drivers/pinctrl/vt8500/pinctrl-wm8505.c
+++ b/drivers/pinctrl/vt8500/pinctrl-wm8505.c
@@ -14,7 +14,7 @@
*/

#include <linux/io.h>
-#include <linux/module.h>
+#include <linux/init.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -504,11 +504,6 @@ static int wm8505_pinctrl_probe(struct platform_device *pdev)
return wmt_pinctrl_probe(pdev, data);
}

-static int wm8505_pinctrl_remove(struct platform_device *pdev)
-{
- return wmt_pinctrl_remove(pdev);
-}
-
static const struct of_device_id wmt_pinctrl_of_match[] = {
{ .compatible = "wm,wm8505-pinctrl" },
{ /* sentinel */ },
@@ -516,16 +511,10 @@ static const struct of_device_id wmt_pinctrl_of_match[] = {

static struct platform_driver wmt_pinctrl_driver = {
.probe = wm8505_pinctrl_probe,
- .remove = wm8505_pinctrl_remove,
.driver = {
.name = "pinctrl-wm8505",
.of_match_table = wmt_pinctrl_of_match,
+ .suppress_bind_attrs = true,
},
};
-
-module_platform_driver(wmt_pinctrl_driver);
-
-MODULE_AUTHOR("Tony Prisk <linux@xxxxxxxxxxxxxxx>");
-MODULE_DESCRIPTION("Wondermedia WM8505 Pincontrol driver");
-MODULE_LICENSE("GPL v2");
-MODULE_DEVICE_TABLE(of, wmt_pinctrl_of_match);
+builtin_platform_driver(wmt_pinctrl_driver);
diff --git a/drivers/pinctrl/vt8500/pinctrl-wm8650.c b/drivers/pinctrl/vt8500/pinctrl-wm8650.c
index 8953aba8bfc2..270dd491f5a1 100644
--- a/drivers/pinctrl/vt8500/pinctrl-wm8650.c
+++ b/drivers/pinctrl/vt8500/pinctrl-wm8650.c
@@ -14,7 +14,7 @@
*/

#include <linux/io.h>
-#include <linux/module.h>
+#include <linux/init.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -342,11 +342,6 @@ static int wm8650_pinctrl_probe(struct platform_device *pdev)
return wmt_pinctrl_probe(pdev, data);
}

-static int wm8650_pinctrl_remove(struct platform_device *pdev)
-{
- return wmt_pinctrl_remove(pdev);
-}
-
static const struct of_device_id wmt_pinctrl_of_match[] = {
{ .compatible = "wm,wm8650-pinctrl" },
{ /* sentinel */ },
@@ -354,16 +349,10 @@ static const struct of_device_id wmt_pinctrl_of_match[] = {

static struct platform_driver wmt_pinctrl_driver = {
.probe = wm8650_pinctrl_probe,
- .remove = wm8650_pinctrl_remove,
.driver = {
.name = "pinctrl-wm8650",
.of_match_table = wmt_pinctrl_of_match,
+ .suppress_bind_attrs = true,
},
};
-
-module_platform_driver(wmt_pinctrl_driver);
-
-MODULE_AUTHOR("Tony Prisk <linux@xxxxxxxxxxxxxxx>");
-MODULE_DESCRIPTION("Wondermedia WM8650 Pincontrol driver");
-MODULE_LICENSE("GPL v2");
-MODULE_DEVICE_TABLE(of, wmt_pinctrl_of_match);
+builtin_platform_driver(wmt_pinctrl_driver);
diff --git a/drivers/pinctrl/vt8500/pinctrl-wm8750.c b/drivers/pinctrl/vt8500/pinctrl-wm8750.c
index c79053d430db..74f7b3a18f3a 100644
--- a/drivers/pinctrl/vt8500/pinctrl-wm8750.c
+++ b/drivers/pinctrl/vt8500/pinctrl-wm8750.c
@@ -14,7 +14,7 @@
*/

#include <linux/io.h>
-#include <linux/module.h>
+#include <linux/init.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -381,11 +381,6 @@ static int wm8750_pinctrl_probe(struct platform_device *pdev)
return wmt_pinctrl_probe(pdev, data);
}

-static int wm8750_pinctrl_remove(struct platform_device *pdev)
-{
- return wmt_pinctrl_remove(pdev);
-}
-
static const struct of_device_id wmt_pinctrl_of_match[] = {
{ .compatible = "wm,wm8750-pinctrl" },
{ /* sentinel */ },
@@ -393,16 +388,10 @@ static const struct of_device_id wmt_pinctrl_of_match[] = {

static struct platform_driver wmt_pinctrl_driver = {
.probe = wm8750_pinctrl_probe,
- .remove = wm8750_pinctrl_remove,
.driver = {
.name = "pinctrl-wm8750",
.of_match_table = wmt_pinctrl_of_match,
+ .suppress_bind_attrs = true,
},
};
-
-module_platform_driver(wmt_pinctrl_driver);
-
-MODULE_AUTHOR("Tony Prisk <linux@xxxxxxxxxxxxxxx>");
-MODULE_DESCRIPTION("Wondermedia WM8750 Pincontrol driver");
-MODULE_LICENSE("GPL v2");
-MODULE_DEVICE_TABLE(of, wmt_pinctrl_of_match);
+builtin_platform_driver(wmt_pinctrl_driver);
diff --git a/drivers/pinctrl/vt8500/pinctrl-wm8850.c b/drivers/pinctrl/vt8500/pinctrl-wm8850.c
index f232b163c735..45792aa7a06e 100644
--- a/drivers/pinctrl/vt8500/pinctrl-wm8850.c
+++ b/drivers/pinctrl/vt8500/pinctrl-wm8850.c
@@ -14,7 +14,7 @@
*/

#include <linux/io.h>
-#include <linux/module.h>
+#include <linux/init.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -360,11 +360,6 @@ static int wm8850_pinctrl_probe(struct platform_device *pdev)
return wmt_pinctrl_probe(pdev, data);
}

-static int wm8850_pinctrl_remove(struct platform_device *pdev)
-{
- return wmt_pinctrl_remove(pdev);
-}
-
static const struct of_device_id wmt_pinctrl_of_match[] = {
{ .compatible = "wm,wm8850-pinctrl" },
{ /* sentinel */ },
@@ -372,16 +367,10 @@ static const struct of_device_id wmt_pinctrl_of_match[] = {

static struct platform_driver wmt_pinctrl_driver = {
.probe = wm8850_pinctrl_probe,
- .remove = wm8850_pinctrl_remove,
.driver = {
.name = "pinctrl-wm8850",
.of_match_table = wmt_pinctrl_of_match,
+ .suppress_bind_attrs = true,
},
};
-
-module_platform_driver(wmt_pinctrl_driver);
-
-MODULE_AUTHOR("Tony Prisk <linux@xxxxxxxxxxxxxxx>");
-MODULE_DESCRIPTION("Wondermedia WM8850 Pincontrol driver");
-MODULE_LICENSE("GPL v2");
-MODULE_DEVICE_TABLE(of, wmt_pinctrl_of_match);
+builtin_platform_driver(wmt_pinctrl_driver);
diff --git a/drivers/pinctrl/vt8500/pinctrl-wmt.c b/drivers/pinctrl/vt8500/pinctrl-wmt.c
index cbc638631678..270ca2a47a8c 100644
--- a/drivers/pinctrl/vt8500/pinctrl-wmt.c
+++ b/drivers/pinctrl/vt8500/pinctrl-wmt.c
@@ -18,7 +18,6 @@
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/irq.h>
-#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/pinctrl/consumer.h>
@@ -608,12 +607,3 @@ fail_range:
gpiochip_remove(&data->gpio_chip);
return err;
}
-
-int wmt_pinctrl_remove(struct platform_device *pdev)
-{
- struct wmt_pinctrl_data *data = platform_get_drvdata(pdev);
-
- gpiochip_remove(&data->gpio_chip);
-
- return 0;
-}
diff --git a/drivers/pinctrl/vt8500/pinctrl-wmt.h b/drivers/pinctrl/vt8500/pinctrl-wmt.h
index 41f5f2deb5d6..885613396fe7 100644
--- a/drivers/pinctrl/vt8500/pinctrl-wmt.h
+++ b/drivers/pinctrl/vt8500/pinctrl-wmt.h
@@ -76,4 +76,3 @@ struct wmt_pinctrl_data {

int wmt_pinctrl_probe(struct platform_device *pdev,
struct wmt_pinctrl_data *data);
-int wmt_pinctrl_remove(struct platform_device *pdev);
--
2.7.4