[PATCH v1 1/2] pinctrl: make MediaTek pinctrl v2 driver ready for buidling kernel module

light.hsieh
2020-02-13T06:15:54Z

From: Light Hsieh <light.hsieh@mediatek.com>

Google plan to make platform driver as kernel module for future
Andriod kernel. This patch make platforms that use pinctrl-paris.c
of MediaTek pinctrl v2 ready for building kernel module.

Signed-off-by: Light Hsieh <light.hsieh@mediatek.com>
---
drivers/pinctrl/mediatek/mtk-eint.c | 9 +++++++++
drivers/pinctrl/mediatek/pinctrl-mt6765.c | 4 ++++
drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c | 24 ++++++++++++++++++++++++
drivers/pinctrl/mediatek/pinctrl-paris.c | 5 +++++
drivers/pinctrl/pinconf-generic.c | 1 +
5 files changed, 43 insertions(+)

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-mt6765.c b/drivers/pinctrl/mediatek/pinctrl-mt6765.c
index 905dae8c..2c59d39 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt6765.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt6765.c
@@ -6,6 +6,7 @@
*
*/

+#include <linux/module.h>
#include "pinctrl-mtk-mt6765.h"
#include "pinctrl-paris.h"

@@ -1103,3 +1104,6 @@ static int __init mt6765_pinctrl_init(void)
return platform_driver_register(&mt6765_pinctrl_driver);
}
arch_initcall(mt6765_pinctrl_init);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("MediaTek MT6765 Pinctrl 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@mediatek.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