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Message-ID: <1582616331-7702-2-git-send-email-light.hsieh@mediatek.com>
Date: Tue, 25 Feb 2020 15:38:50 +0800
From: <light.hsieh@...iatek.com>
To: <linus.walleij@...aro.org>
CC: <linux-mediatek@...ts.infradead.org>, <linux-gpio@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <sean.wang@...nel.org>,
<kuohong.wang@...iatek.com>, Light Hsieh <light.hsieh@...iatek.com>
Subject: [PATCH v3 1/2] pinctrl: make MediaTek pinctrl v2 driver ready for buidling loadable module
From: Light Hsieh <light.hsieh@...iatek.com>
In the future we want to be able to build the MediaTek pinctrl driver,
based on paris, as kernel module. This patch allows pinctrl-paris.c, the
external interrupt controller mtk-eint.c, and pinctrl-mtk-common-v2.c to
be loadable as module.
Signed-off-by: Light Hsieh <light.hsieh@...iatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>
---
drivers/pinctrl/mediatek/Kconfig | 13 +++++++++++--
drivers/pinctrl/mediatek/Makefile | 5 +++--
drivers/pinctrl/mediatek/mtk-eint.c | 9 +++++++++
drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c | 24 ++++++++++++++++++++++++
drivers/pinctrl/mediatek/pinctrl-paris.c | 5 +++++
drivers/pinctrl/pinconf-generic.c | 1 +
6 files changed, 53 insertions(+), 4 deletions(-)
diff --git a/drivers/pinctrl/mediatek/Kconfig b/drivers/pinctrl/mediatek/Kconfig
index 701f9af..4cd1109 100644
--- a/drivers/pinctrl/mediatek/Kconfig
+++ b/drivers/pinctrl/mediatek/Kconfig
@@ -3,10 +3,12 @@ menu "MediaTek pinctrl drivers"
depends on ARCH_MEDIATEK || COMPILE_TEST
config EINT_MTK
- bool "MediaTek External Interrupt Support"
+ tristate "MediaTek External Interrupt Support"
depends on PINCTRL_MTK || PINCTRL_MTK_MOORE || PINCTRL_MTK_PARIS || COMPILE_TEST
select GPIOLIB
select IRQ_DOMAIN
+ default y if PINCTRL_MTK || PINCTRL_MTK_MOORE
+ default PINCTRL_MTK_PARIS
config PINCTRL_MTK
bool
@@ -17,23 +19,30 @@ config PINCTRL_MTK
select EINT_MTK
select OF_GPIO
+config PINCTRL_MTK_V2
+ tristate
+ depends on PINCTRL_MTK_MOORE || PINCTRL_MTK_PARIS
+
config PINCTRL_MTK_MOORE
bool
depends on OF
select GENERIC_PINCONF
select GENERIC_PINCTRL_GROUPS
select GENERIC_PINMUX_FUNCTIONS
+ select EINT_MTK
select GPIOLIB
select OF_GPIO
+ select PINCTRL_MTK_V2
config PINCTRL_MTK_PARIS
- bool
+ tristate
depends on OF
select PINMUX
select GENERIC_PINCONF
select GPIOLIB
select EINT_MTK
select OF_GPIO
+ select PINCTRL_MTK_V2
# For ARMv7 SoCs
config PINCTRL_MT2701
diff --git a/drivers/pinctrl/mediatek/Makefile b/drivers/pinctrl/mediatek/Makefile
index a74325a..4b71328 100644
--- a/drivers/pinctrl/mediatek/Makefile
+++ b/drivers/pinctrl/mediatek/Makefile
@@ -2,8 +2,9 @@
# Core
obj-$(CONFIG_EINT_MTK) += mtk-eint.o
obj-$(CONFIG_PINCTRL_MTK) += pinctrl-mtk-common.o
-obj-$(CONFIG_PINCTRL_MTK_MOORE) += pinctrl-moore.o pinctrl-mtk-common-v2.o
-obj-$(CONFIG_PINCTRL_MTK_PARIS) += pinctrl-paris.o pinctrl-mtk-common-v2.o
+obj-$(CONFIG_PINCTRL_MTK_V2) += pinctrl-mtk-common-v2.o
+obj-$(CONFIG_PINCTRL_MTK_MOORE) += pinctrl-moore.o
+obj-$(CONFIG_PINCTRL_MTK_PARIS) += pinctrl-paris.o
# SoC Drivers
obj-$(CONFIG_PINCTRL_MT2701) += pinctrl-mt2701.o
diff --git a/drivers/pinctrl/mediatek/mtk-eint.c b/drivers/pinctrl/mediatek/mtk-eint.c
index 7e526bcf..99703a8 100644
--- a/drivers/pinctrl/mediatek/mtk-eint.c
+++ b/drivers/pinctrl/mediatek/mtk-eint.c
@@ -9,6 +9,7 @@
*
*/
+#include <linux/module.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/gpio/driver.h>
@@ -379,6 +380,7 @@ int mtk_eint_do_suspend(struct mtk_eint *eint)
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_eint_do_suspend);
int mtk_eint_do_resume(struct mtk_eint *eint)
{
@@ -386,6 +388,7 @@ int mtk_eint_do_resume(struct mtk_eint *eint)
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_eint_do_resume);
int mtk_eint_set_debounce(struct mtk_eint *eint, unsigned long eint_num,
unsigned int debounce)
@@ -440,6 +443,7 @@ int mtk_eint_set_debounce(struct mtk_eint *eint, unsigned long eint_num,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_eint_set_debounce);
int mtk_eint_find_irq(struct mtk_eint *eint, unsigned long eint_n)
{
@@ -451,6 +455,7 @@ int mtk_eint_find_irq(struct mtk_eint *eint, unsigned long eint_n)
return irq;
}
+EXPORT_SYMBOL_GPL(mtk_eint_find_irq);
int mtk_eint_do_init(struct mtk_eint *eint)
{
@@ -495,3 +500,7 @@ int mtk_eint_do_init(struct mtk_eint *eint)
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_eint_do_init);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("MediaTek EINT Driver");
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
index 1da9425..cdf2d69 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
@@ -6,6 +6,7 @@
*
*/
+#include <linux/module.h>
#include <dt-bindings/pinctrl/mt65xx.h>
#include <linux/device.h>
#include <linux/err.h>
@@ -206,6 +207,7 @@ int mtk_hw_set_value(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_hw_set_value);
int mtk_hw_get_value(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc,
int field, int *value)
@@ -225,6 +227,7 @@ int mtk_hw_get_value(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_hw_get_value);
static int mtk_xt_find_eint_num(struct mtk_pinctrl *hw, unsigned long eint_n)
{
@@ -363,6 +366,7 @@ int mtk_build_eint(struct mtk_pinctrl *hw, struct platform_device *pdev)
return mtk_eint_do_init(hw->eint);
}
+EXPORT_SYMBOL_GPL(mtk_build_eint);
/* Revision 0 */
int mtk_pinconf_bias_disable_set(struct mtk_pinctrl *hw,
@@ -382,6 +386,7 @@ int mtk_pinconf_bias_disable_set(struct mtk_pinctrl *hw,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_bias_disable_set);
int mtk_pinconf_bias_disable_get(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, int *res)
@@ -404,6 +409,7 @@ int mtk_pinconf_bias_disable_get(struct mtk_pinctrl *hw,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_bias_disable_get);
int mtk_pinconf_bias_set(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, bool pullup)
@@ -423,6 +429,7 @@ int mtk_pinconf_bias_set(struct mtk_pinctrl *hw,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_bias_set);
int mtk_pinconf_bias_get(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, bool pullup, int *res)
@@ -442,6 +449,7 @@ int mtk_pinconf_bias_get(struct mtk_pinctrl *hw,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_bias_get);
/* Revision 1 */
int mtk_pinconf_bias_disable_set_rev1(struct mtk_pinctrl *hw,
@@ -456,6 +464,7 @@ int mtk_pinconf_bias_disable_set_rev1(struct mtk_pinctrl *hw,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_bias_disable_set_rev1);
int mtk_pinconf_bias_disable_get_rev1(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, int *res)
@@ -473,6 +482,7 @@ int mtk_pinconf_bias_disable_get_rev1(struct mtk_pinctrl *hw,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_bias_disable_get_rev1);
int mtk_pinconf_bias_set_rev1(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, bool pullup)
@@ -492,6 +502,7 @@ int mtk_pinconf_bias_set_rev1(struct mtk_pinctrl *hw,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_bias_set_rev1);
int mtk_pinconf_bias_get_rev1(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, bool pullup,
@@ -517,6 +528,7 @@ int mtk_pinconf_bias_get_rev1(struct mtk_pinctrl *hw,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_bias_set_gev1);
/* Combo for the following pull register type:
* 1. PU + PD
@@ -717,6 +729,7 @@ int mtk_pinconf_bias_set_combo(struct mtk_pinctrl *hw,
out:
return err;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_bias_set_combo);
int mtk_pinconf_bias_get_combo(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc,
@@ -737,6 +750,7 @@ int mtk_pinconf_bias_get_combo(struct mtk_pinctrl *hw,
out:
return err;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_bias_get_combo);
/* Revision 0 */
int mtk_pinconf_drive_set(struct mtk_pinctrl *hw,
@@ -766,6 +780,7 @@ int mtk_pinconf_drive_set(struct mtk_pinctrl *hw,
return err;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_drive_set);
int mtk_pinconf_drive_get(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, int *val)
@@ -790,6 +805,7 @@ int mtk_pinconf_drive_get(struct mtk_pinctrl *hw,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_drive_get);
/* Revision 1 */
int mtk_pinconf_drive_set_rev1(struct mtk_pinctrl *hw,
@@ -811,6 +827,7 @@ int mtk_pinconf_drive_set_rev1(struct mtk_pinctrl *hw,
return err;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_drive_set_rev1);
int mtk_pinconf_drive_get_rev1(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, int *val)
@@ -828,18 +845,21 @@ int mtk_pinconf_drive_get_rev1(struct mtk_pinctrl *hw,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_drive_get_rev1);
int mtk_pinconf_drive_set_raw(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, u32 arg)
{
return mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_DRV, arg);
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_drive_set_raw);
int mtk_pinconf_drive_get_raw(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, int *val)
{
return mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_DRV, val);
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_drive_get_raw);
int mtk_pinconf_adv_pull_set(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, bool pullup,
@@ -880,6 +900,7 @@ int mtk_pinconf_adv_pull_set(struct mtk_pinctrl *hw,
return err;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_adv_pull_set);
int mtk_pinconf_adv_pull_get(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, bool pullup,
@@ -922,6 +943,7 @@ int mtk_pinconf_adv_pull_get(struct mtk_pinctrl *hw,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_adv_pull_get);
int mtk_pinconf_adv_drive_set(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, u32 arg)
@@ -948,6 +970,7 @@ int mtk_pinconf_adv_drive_set(struct mtk_pinctrl *hw,
return err;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_adv_drive_set);
int mtk_pinconf_adv_drive_get(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, u32 *val)
@@ -971,3 +994,4 @@ int mtk_pinconf_adv_drive_get(struct mtk_pinctrl *hw,
return 0;
}
+EXPORT_SYMBOL_GPL(mtk_pinconf_adv_drive_get);
diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c
index 83bf29c..af97794 100644
--- a/drivers/pinctrl/mediatek/pinctrl-paris.c
+++ b/drivers/pinctrl/mediatek/pinctrl-paris.c
@@ -9,6 +9,7 @@
* Hongzhou.Yang <hongzhou.yang@...iatek.com>
*/
+#include <linux/module.h>
#include <linux/gpio/driver.h>
#include <dt-bindings/pinctrl/mt65xx.h>
#include "pinctrl-paris.h"
@@ -1037,3 +1038,7 @@ static int mtk_paris_pinctrl_resume(struct device *device)
.suspend_noirq = mtk_paris_pinctrl_suspend,
.resume_noirq = mtk_paris_pinctrl_resume,
};
+EXPORT_SYMBOL_GPL(mtk_paris_pinctrl_probe);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("MediaTek Pinctrl Common Driver V2 Paris");
diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c
index 9eb8630..dfef471 100644
--- a/drivers/pinctrl/pinconf-generic.c
+++ b/drivers/pinctrl/pinconf-generic.c
@@ -286,6 +286,7 @@ int pinconf_generic_parse_dt_config(struct device_node *np,
kfree(cfg);
return ret;
}
+EXPORT_SYMBOL_GPL(pinconf_generic_parse_dt_config);
int pinconf_generic_dt_subnode_to_map(struct pinctrl_dev *pctldev,
struct device_node *np, struct pinctrl_map **map,
--
1.8.1.1.dirty
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