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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: sean.wang@kernel.org, kuohong.wang@mediatek.com, linux-kernel@vger.kernel.org, Light Hsieh , linux-gpio@vger.kernel.org, linux-mediatek@lists.infradead.org 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 From: Light Hsieh pinctrl: mediatek: make MediaTek pinctrl v2 driver ready for buidling loadable module 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. The following is the rationale for determining whether mtk-eint.c, pinctrl-mtk-common-v2.c, and pinctrl-paris.c are built as loadable module: 1. drivers/pinctrl/mediatek/Kconfig: 1.1 PINCTRL_MTXXXX: change from bool to tristate. It is specified in defconfig file. MTXXXX can only be the user of pinctrl-paris, which can MT6765 or MT8183. The patch for changing PINCTRL_MT6765 from bool to tristate will be given as the next patch of the patch series. 1.2 PINCTRL_MTK_PARIS: change from bool to tristate and select PINCTRL_MTK_V2. No need to specify in defconfig file. * PINCTRL_MTK_PARIS will be y if any PINCTRL_MTXXXX selecting PINCTRL_MTK_PARIS is y. * PINCTRL_MTK_PARIS will be n if all PINCTRL_MTXXXX selecting PINCTRL_MTK_PARIS is n. * PINCTRL_MTK_PARIS will be m if some PINCTRL_MTXXXX selecting PINCTRL_MTK_PARIS are m and other PINCTRL_MTXXXX selecting PINCTRL_MTK_PARIS are n. 1.3 PINCTRL_MTK_MOORE: select EINT_MTK and PINCTRL_MTK_V2. It is make to be ready for building as loadable kernel module because it is not used on Android kernel. 1.4 PINCTRL_MTK_V2: add this tristate config which depends on PINCTRL_MTK_PARIS and PINCTRL_MTK_MOORE. No need to specify in defconfig file. * PINCTRL_MTK_V2 will be y if either PINCTRL_MTK_PARIS or PINCTRL_MTK_MOORE is y. * PINCTRL_MTK_V2 will be n if both PINCTRL_MTK_PARIS and PINCTRL_MTK_MOORE are n. * PINCTRL_MTK_V2 will be m if PINCTRL_MTK_PARIS is m and PINCTRL_MTK_MOORE is n. 1.5 EINT_MTK: change from bool to tristate and add rule for default. No need to specify in defconfig file. * First rule: determine if EINT_MTK is y or n according to selection of PINCTRL_MTK or PINCTRL_MTK_MORE. * Second rule: determine if EINT_MTK is y, m, or n according to selection of PINCTRL_MTK_PARIS. 2. drivers/pinctrl/mediatek/Makefile: Use PINCTRL_MTK_V2 to determine if pinctrl-mtk-common-v2.c is built as loadable module or built-in. Light Hsieh (2): pinctrl: mediatek: make MediaTek pinctrl v2 driver ready for buidling loadable module pinctrl: mediatek: make MediaTek MT6765 pinctrl ready for buiding loadable module drivers/pinctrl/mediatek/Kconfig | 13 ++++++++++--- drivers/pinctrl/mediatek/Makefile | 5 +++-- 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 | 6 ++++++ 6 files changed, 56 insertions(+), 5 deletions(-) -- 1.8.1.1.dirty _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek