Messages in this thread | | | From | Arnd Bergmann <> | Date | Mon, 5 Aug 2019 09:48:03 +0200 | Subject | Re: [PATCH] power: reset: nvmem-reboot-mode: add CONFIG_OF dependency |
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On Mon, Aug 5, 2019 at 9:10 AM Nandor Han <nandor.han@vaisala.com> wrote: > > On 7/8/19 3:52 PM, Arnd Bergmann wrote: > > Without CONFIG_OF, we get a build failure in the reboot-mode > > implementation: > > > > drivers/power/reset/reboot-mode.c: In function 'reboot_mode_register': > > drivers/power/reset/reboot-mode.c:72:2: error: implicit declaration of function 'for_each_property_of_node'; did you mean 'for_each_child_of_node'? [-Werror=implicit-function-declaration] > > for_each_property_of_node(np, prop) { > > > > Add a Kconfig dependency like we have for the other users of > > CONFIG_REBOOT_MODE. > > > > Fixes: 7a78a7f7695b ("power: reset: nvmem-reboot-mode: use NVMEM as reboot mode write interface") > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > > --- > > drivers/power/reset/Kconfig | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig > > index 8dfb105db391..a564237278ff 100644 > > --- a/drivers/power/reset/Kconfig > > +++ b/drivers/power/reset/Kconfig > > @@ -248,6 +248,7 @@ config POWER_RESET_SC27XX > > > > config NVMEM_REBOOT_MODE > > tristate "Generic NVMEM reboot mode driver" > > + depends on OF > > select REBOOT_MODE > > help > > Say y here will enable reboot mode driver. This will > > > > Wouldn't this be more appropriate to add the "depends on OF" to "config > REBOOT_MODE" section, since this is an error to `reboot-mode.c` unit?
It's too late for 5.3-stable now, as that would break existing configurations that won't select REBOOT_MODE themselves, and it adds a bit of complexity, but we could to it for 5.4 if you think that is necessary.
Arnd
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