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Wed, 12 Feb 2020 22:27:15 -0800 Received: from MTKMBS02N2.mediatek.inc (172.21.101.101) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 12 Feb 2020 22:17:24 -0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 13 Feb 2020 14:14:41 +0800 Received: from [172.21.77.33] (172.21.77.33) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 13 Feb 2020 14:16:00 +0800 Message-ID: <1581574624.1827.4.camel@mtkswgap22> Subject: Re: [PATCH v1 1/2] pinctrl: make MediaTek pinctrl v2 driver ready for buidling kernel module From: Light Hsieh To: Date: Thu, 13 Feb 2020 14:17:04 +0800 In-Reply-To: <1581574105-1160-1-git-send-email-light.hsieh@mediatek.com> References: <1581574105-1160-1-git-send-email-light.hsieh@mediatek.com> X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-TM-SNTS-SMTP: 38B96BFD51153968225F7D4B60B87F01279A6DDAA646854E736CDBBE5D94E3A72000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200212_222718_716036_8CFE8240 X-CRM114-Status: GOOD ( 13.37 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-gpio@vger.kernel.org, sean.wang@kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, kuohong.wang@mediatek.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Dear Reviewers: Google plan to make platform driver as kernel module in future Android kernel. This patch series prepare to make platforms that use MediaTek pinctrl paris driver (pinctrl-paris.c, pinctrl-mtk-common-v2.c, and mtk-eint.c) compatible for building either kernel module or built-in. Please give your comments. Light On Thu, 2020-02-13 at 14:08 +0800, light.hsieh@mediatek.com wrote: > From: Light Hsieh > > 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 > --- > 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 > #include > #include > #include > @@ -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 > #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 > #include > #include > #include > @@ -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 > */ > > +#include > #include > #include > #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, _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek