diff mbox series

[v2,11/16] mfd: vexpress-sysreg: Support building as a module

Message ID 20200429205825.10604-12-robh@kernel.org (mailing list archive)
State New, archived
Headers show
Series Modularizing Versatile Express | expand

Commit Message

Rob Herring April 29, 2020, 8:58 p.m. UTC
Enable building the vexpress-sysreg driver as a module.

As deferred probe between the vexpress components works now, we don't
need to create struct devices early with of_platform_device_create().

Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
---
 drivers/mfd/Kconfig           |  2 +-
 drivers/mfd/vexpress-sysreg.c | 15 ++++-----------
 2 files changed, 5 insertions(+), 12 deletions(-)

Comments

Sudeep Holla May 1, 2020, 4:58 p.m. UTC | #1
On Wed, Apr 29, 2020 at 03:58:20PM -0500, Rob Herring wrote:
> Enable building the vexpress-sysreg driver as a module.
> 
> As deferred probe between the vexpress components works now, we don't
> need to create struct devices early with of_platform_device_create().
> 
> Cc: Liviu Dudau <liviu.dudau@arm.com>
> Cc: Sudeep Holla <sudeep.holla@arm.com>

Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Lee Jones May 4, 2020, 8:40 a.m. UTC | #2
On Wed, 29 Apr 2020, Rob Herring wrote:

> Enable building the vexpress-sysreg driver as a module.
> 
> As deferred probe between the vexpress components works now, we don't
> need to create struct devices early with of_platform_device_create().
> 
> Cc: Liviu Dudau <liviu.dudau@arm.com>
> Cc: Sudeep Holla <sudeep.holla@arm.com>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Cc: Lee Jones <lee.jones@linaro.org>
> Signed-off-by: Rob Herring <robh@kernel.org>
> ---
>  drivers/mfd/Kconfig           |  2 +-
>  drivers/mfd/vexpress-sysreg.c | 15 ++++-----------
>  2 files changed, 5 insertions(+), 12 deletions(-)

Acked-by: Lee Jones <lee.jones@linaro.org>
diff mbox series

Patch

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index b1311dea2da1..792766558328 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -2028,7 +2028,7 @@  config MCP_UCB1200_TS
 endmenu
 
 config MFD_VEXPRESS_SYSREG
-	bool "Versatile Express System Registers"
+	tristate "Versatile Express System Registers"
 	depends on VEXPRESS_CONFIG && GPIOLIB
 	default y
 	select GPIO_GENERIC_PLATFORM
diff --git a/drivers/mfd/vexpress-sysreg.c b/drivers/mfd/vexpress-sysreg.c
index 9fb37fa689e0..eeeeb1d26d5d 100644
--- a/drivers/mfd/vexpress-sysreg.c
+++ b/drivers/mfd/vexpress-sysreg.c
@@ -8,6 +8,7 @@ 
 #include <linux/err.h>
 #include <linux/io.h>
 #include <linux/mfd/core.h>
+#include <linux/module.h>
 #include <linux/of_platform.h>
 #include <linux/platform_data/syscon.h>
 #include <linux/platform_device.h>
@@ -151,6 +152,7 @@  static const struct of_device_id vexpress_sysreg_match[] = {
 	{ .compatible = "arm,vexpress-sysreg", },
 	{},
 };
+MODULE_DEVICE_TABLE(of, vexpress_sysreg_match);
 
 static struct platform_driver vexpress_sysreg_driver = {
 	.driver = {
@@ -160,14 +162,5 @@  static struct platform_driver vexpress_sysreg_driver = {
 	.probe = vexpress_sysreg_probe,
 };
 
-static int __init vexpress_sysreg_init(void)
-{
-	struct device_node *node;
-
-	/* Need the sysreg early, before any other device... */
-	for_each_matching_node(node, vexpress_sysreg_match)
-		of_platform_device_create(node, NULL, NULL);
-
-	return platform_driver_register(&vexpress_sysreg_driver);
-}
-core_initcall(vexpress_sysreg_init);
+module_platform_driver(vexpress_sysreg_driver);
+MODULE_LICENSE("GPL v2");