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Huang To: Alexandre Belloni Subject: RE: [PATCH V3 1/7] firmware: imx: Add stubs for !CONFIG_IMX_SCU case Thread-Topic: [PATCH V3 1/7] firmware: imx: Add stubs for !CONFIG_IMX_SCU case Thread-Index: AQHV9av62LAReQhoZkKZ9LnT5dFdbahARTIAgAopwQCAACFfgIAABHaAgAADEYCAAAR+AIAASuWQgAAKpACAAABIoIAABUuAgAABn+CAAAKDgIAABdZw Date: Mon, 16 Mar 2020 09:40:52 +0000 Message-ID: References: <20200316005219.GD17221@dragon> <20200316030744.GC17221@dragon> <20200316033447.GE17221@dragon> <20200316084056.GG4518@piout.net> <20200316090053.GH4518@piout.net> <20200316091541.GI4518@piout.net> In-Reply-To: <20200316091541.GI4518@piout.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; x-originating-ip: [119.31.174.68] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 31c6ab02-483f-4042-91dd-08d7c98e1e2d x-ms-traffictypediagnostic: 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HOSTED X-MS-Exchange-CrossTenant-userprincipalname: i+kRr4h0DYdESxKo6DU0yBrBfeyVGy+Aws5hxcaRjdKWZZbzVsAb6CFAjxqncKpobWMGdCSy0E36Pal4Vc0X2Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0402MB3900 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200316_024056_269185_0E181F78 X-CRM114-Status: GOOD ( 15.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peng Fan , "m.felsch@pengutronix.de" , Leonard Crestez , "festevam@gmail.com" , "linux-rtc@vger.kernel.org" , "robh@kernel.org" , "amit.kucheria@verdurent.com" , "wim@linux-watchdog.org" , "daniel.lezcano@linaro.org" , "krzk@kernel.org" , dl-linux-imx , "linux-input@vger.kernel.org" , "rui.zhang@intel.com" , "ronald@innovation.ch" , "linux@roeck-us.net" , "linux-watchdog@vger.kernel.org" , "arnd@arndb.de" , "linux-pm@vger.kernel.org" , "s.hauer@pengutronix.de" , "tglx@linutronix.de" , "andriy.shevchenko@linux.intel.com" , Daniel Baluta , "linux-arm-kernel@lists.infradead.org" , Aisheng Dong , "a.zummo@towertech.it" , "gregkh@linuxfoundation.org" , "dmitry.torokhov@gmail.com" , "linux-kernel@vger.kernel.org" , "linux@rempel-privat.de" , "kernel@pengutronix.de" , Shawn Guo Content-Type: text/plain; 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 Hi, Alexandre > -----Original Message----- > From: Alexandre Belloni > Sent: Monday, March 16, 2020 5:16 PM > To: Anson Huang > Cc: Shawn Guo ; Peng Fan ; > s.hauer@pengutronix.de; kernel@pengutronix.de; festevam@gmail.com; > dmitry.torokhov@gmail.com; a.zummo@towertech.it; rui.zhang@intel.com; > daniel.lezcano@linaro.org; amit.kucheria@verdurent.com; wim@linux- > watchdog.org; linux@roeck-us.net; Daniel Baluta ; > gregkh@linuxfoundation.org; linux@rempel-privat.de; tglx@linutronix.de; > m.felsch@pengutronix.de; andriy.shevchenko@linux.intel.com; > arnd@arndb.de; ronald@innovation.ch; krzk@kernel.org; robh@kernel.org; > Leonard Crestez ; Aisheng Dong > ; linux-arm-kernel@lists.infradead.org; linux- > kernel@vger.kernel.org; linux-input@vger.kernel.org; linux- > rtc@vger.kernel.org; linux-pm@vger.kernel.org; linux- > watchdog@vger.kernel.org; dl-linux-imx > Subject: Re: [PATCH V3 1/7] firmware: imx: Add stubs for !CONFIG_IMX_SCU > case > > On 16/03/2020 09:08:53+0000, Anson Huang wrote: > > > Why do you absolutely need to compile them independently? From a > > > code coverage point of view, having: > > > > > > COMPILE_TEST=y > > > CONFIG_IMX_SCU=y > > > > > > is enough to select and compile the remaining drivers. > > > > What I meant is for below case, like using other arch config which > > does NOT have CONFIG_IMX_SCU selected, ONLY with COMPILE_TEST > > selected, adding stubs for IMX_SCU APIs can fix such scenario. > > > > COMPILE_TEST=y > > CONFIG_IMX_SCU=n > > > > Why is that an issue? If they don't have IMX_SCU selected, then the other > SCU driver are not selected either, having stubs doesn't change that you will > have to select at least one option. Please explain what is the issue that is not > solved here. OK, what I thought is even without IMX_SCU selected, other SCU drivers still can be selected for build test after adding "COMPILE_TEST" to the kconfig, like below, if without IMX_SCU API stubs, the "COMPILE_TEST" can NOT be added to SCU drivers to enable build test, so I think the IMX_SCU API stubs should be added? config KEYBOARD_IMX_SC_KEY tristate "IMX SCU Key Driver" depends on IMX_SCU || COMPILE_TEST thanks, Anson _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel