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Wed, 27 Nov 2019 08:06:47 +0000 From: To: Subject: Re: [PATCH v2 02/17] ARM: at91: pm: move SAM9X60's PM under its own SoC config flag Thread-Topic: [PATCH v2 02/17] ARM: at91: pm: move SAM9X60's PM under its own SoC config flag Thread-Index: AQHVpKCFd9tGDLZ9XESHiYu6fIDZcaeeqfCA Date: Wed, 27 Nov 2019 08:06:47 +0000 Message-ID: <10705ea9-7a0f-5af4-e383-293fabed6b89@microchip.com> References: <1574773941-20649-1-git-send-email-claudiu.beznea@microchip.com> <1574773941-20649-3-git-send-email-claudiu.beznea@microchip.com> <20191126212841.GR299836@piout.net> In-Reply-To: <20191126212841.GR299836@piout.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: VI1P189CA0025.EURP189.PROD.OUTLOOK.COM (2603:10a6:802:2a::38) To DM6PR11MB3225.namprd11.prod.outlook.com (2603:10b6:5:5b::32) x-ms-exchange-messagesentrepresentingtype: 1 x-tagtoolbar-keys: D20191127100639338 x-originating-ip: [86.120.233.88] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 2581c52f-e0c1-4f18-542a-08d77310c01f x-ms-traffictypediagnostic: DM6PR11MB4396: x-ms-exchange-purlcount: 1 x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:4714; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 26.11.2019 23:28, Alexandre Belloni wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > On 26/11/2019 15:12:06+0200, Claudiu Beznea wrote: >> Move SAM9X60's PM part under SoC config flag. This allows the building >> of SAM9X60 platform withouth depending on CONFIG_SOC_AT91SAM9 flag, >> allowing us to select only necessary config flags for SAM9X60. >> > > I'm really wondering, how much space does that really save? > > The net benefit seems to be very small... Not that much, indeed. We want to be independent of SOC_AT91SAM9. > >> Signed-off-by: Claudiu Beznea >> --- >> arch/arm/mach-at91/Makefile | 1 + >> arch/arm/mach-at91/at91sam9.c | 18 ------------------ >> arch/arm/mach-at91/pm.c | 2 +- >> arch/arm/mach-at91/sam9x60.c | 34 ++++++++++++++++++++++++++++++++++ >> 4 files changed, 36 insertions(+), 19 deletions(-) >> create mode 100644 arch/arm/mach-at91/sam9x60.c >> >> diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile >> index de64301dcff2..f565490f1b70 100644 >> --- a/arch/arm/mach-at91/Makefile >> +++ b/arch/arm/mach-at91/Makefile >> @@ -6,6 +6,7 @@ >> # CPU-specific support >> obj-$(CONFIG_SOC_AT91RM9200) += at91rm9200.o >> obj-$(CONFIG_SOC_AT91SAM9) += at91sam9.o >> +obj-$(CONFIG_SOC_SAM9X60) += sam9x60.o >> obj-$(CONFIG_SOC_SAMA5) += sama5.o >> obj-$(CONFIG_SOC_SAMV7) += samv7.o >> >> diff --git a/arch/arm/mach-at91/at91sam9.c b/arch/arm/mach-at91/at91sam9.c >> index bf629c90c758..7e572189a5eb 100644 >> --- a/arch/arm/mach-at91/at91sam9.c >> +++ b/arch/arm/mach-at91/at91sam9.c >> @@ -31,21 +31,3 @@ DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM9") >> .init_machine = at91sam9_init, >> .dt_compat = at91_dt_board_compat, >> MACHINE_END >> - >> -static void __init sam9x60_init(void) >> -{ >> - of_platform_default_populate(NULL, NULL, NULL); >> - >> - sam9x60_pm_init(); >> -} >> - >> -static const char *const sam9x60_dt_board_compat[] __initconst = { >> - "microchip,sam9x60", >> - NULL >> -}; >> - >> -DT_MACHINE_START(sam9x60_dt, "Microchip SAM9X60") >> - /* Maintainer: Microchip */ >> - .init_machine = sam9x60_init, >> - .dt_compat = sam9x60_dt_board_compat, >> -MACHINE_END >> diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c >> index d5af6aedc02c..56a6a49b19e2 100644 >> --- a/arch/arm/mach-at91/pm.c >> +++ b/arch/arm/mach-at91/pm.c >> @@ -805,7 +805,7 @@ void __init at91rm9200_pm_init(void) >> >> void __init sam9x60_pm_init(void) >> { >> - if (!IS_ENABLED(CONFIG_SOC_AT91SAM9)) >> + if (!IS_ENABLED(CONFIG_SOC_SAM9X60)) >> return; >> >> at91_pm_modes_init(); >> diff --git a/arch/arm/mach-at91/sam9x60.c b/arch/arm/mach-at91/sam9x60.c >> new file mode 100644 >> index 000000000000..d8c739d25458 >> --- /dev/null >> +++ b/arch/arm/mach-at91/sam9x60.c >> @@ -0,0 +1,34 @@ >> +// SPDX-License-Identifier: GPL-2.0+ >> +/* >> + * Setup code for SAM9X60. >> + * >> + * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries >> + * >> + * Author: Claudiu Beznea >> + */ >> + >> +#include >> +#include >> + >> +#include >> +#include >> + >> +#include "generic.h" >> + >> +static void __init sam9x60_init(void) >> +{ >> + of_platform_default_populate(NULL, NULL, NULL); >> + >> + sam9x60_pm_init(); >> +} >> + >> +static const char *const sam9x60_dt_board_compat[] __initconst = { >> + "microchip,sam9x60", >> + NULL >> +}; >> + >> +DT_MACHINE_START(sam9x60_dt, "Microchip SAM9X60") >> + /* Maintainer: Microchip */ >> + .init_machine = sam9x60_init, >> + .dt_compat = sam9x60_dt_board_compat, >> +MACHINE_END >> -- >> 2.7.4 >> > > -- > Alexandre Belloni, Bootlin > Embedded Linux and Kernel engineering > https://bootlin.com > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel