> Subject: RE: [PATCH V3 1/7] firmware: imx: Add stubs for !CONFIG_IMX_SCU > case > > Hi, Alexandre > > > -----Original Message----- > > From: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> > > Sent: Monday, March 16, 2020 5:16 PM > > To: Anson Huang <anson.huang@xxxxxxx> > > Cc: Shawn Guo <shawnguo@xxxxxxxxxx>; Peng Fan <peng.fan@xxxxxxx>; > > s.hauer@xxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; festevam@xxxxxxxxx; > > dmitry.torokhov@xxxxxxxxx; a.zummo@xxxxxxxxxxxx; > rui.zhang@xxxxxxxxx; > > daniel.lezcano@xxxxxxxxxx; amit.kucheria@xxxxxxxxxxxxx; wim@linux- > > watchdog.org; linux@xxxxxxxxxxxx; Daniel Baluta > > <daniel.baluta@xxxxxxx>; gregkh@xxxxxxxxxxxxxxxxxxx; > > linux@xxxxxxxxxxxxxxxx; tglx@xxxxxxxxxxxxx; m.felsch@xxxxxxxxxxxxxx; > > andriy.shevchenko@xxxxxxxxxxxxxxx; > > arnd@xxxxxxxx; ronald@xxxxxxxxxxxxx; krzk@xxxxxxxxxx; robh@xxxxxxxxxx; > > Leonard Crestez <leonard.crestez@xxxxxxx>; Aisheng Dong > > <aisheng.dong@xxxxxxx>; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux- > > kernel@xxxxxxxxxxxxxxx; linux-input@xxxxxxxxxxxxxxx; linux- > > rtc@xxxxxxxxxxxxxxx; linux-pm@xxxxxxxxxxxxxxx; linux- > > watchdog@xxxxxxxxxxxxxxx; dl-linux-imx <linux-imx@xxxxxxx> > > 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? Forgot to mention, without stub api, for drivers with " #include <linux/firmware/imx/sci.h> " will met compile error without +#ifdef CONFIG_IMX_SCU +#endif So we have to use ifdef CONFIG_IMX_SCU to guard the include. Regards, Peng. > > config KEYBOARD_IMX_SC_KEY > tristate "IMX SCU Key Driver" > depends on IMX_SCU || COMPILE_TEST > > thanks, > Anson