[PATCH] reset: meson: make it possible to build as a module
Neil Armstrong
narmstrong at baylibre.com
Wed Oct 14 03:43:02 EDT 2020
On 13/10/2020 16:57, Robin Murphy wrote:
> On 2020-10-13 14:39, Neil Armstrong wrote:
>> In order to reduce the kernel Image size on multi-platform distributions,
>> make it possible to build the reset controller driver as a module.
>>
>> This partially reverts 8290924e ("reset: meson: make it explicitly non-modular")
>>
>> Signed-off-by: Neil Armstrong <narmstrong at baylibre.com>
>> ---
>> drivers/reset/Kconfig | 4 ++--
>> drivers/reset/reset-meson.c | 7 ++++++-
>> 2 files changed, 8 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
>> index d9efbfd29646..ab315617565f 100644
>> --- a/drivers/reset/Kconfig
>> +++ b/drivers/reset/Kconfig
>> @@ -94,8 +94,8 @@ config RESET_LPC18XX
>> This enables the reset controller driver for NXP LPC18xx/43xx SoCs.
>> config RESET_MESON
>> - bool "Meson Reset Driver" if COMPILE_TEST
>> - default ARCH_MESON
>> + tristate "Meson Reset Driver"
>> + default ARCH_MESON || COMPILE_TEST
>
> How about an actual dependency like:
>
> depends on ARCH_MESON || COMPILE_TEST
> default ARCH_MESON
> ?
>
> That way the option won't be presented to users where it's completely irrelevant, e.g. running "make oldconfig" with an x86 distro config. It always bugs me when I rebase a branch and have to manually confirm that indeed I don't want to build random drivers specific to x86/RISC-V/etc. SoCs for my arm64 config... ;)
You're right, thanks for pointing me this.
Neil
>
> Robin.
>
>> help
>> This enables the reset driver for Amlogic Meson SoCs.
>> diff --git a/drivers/reset/reset-meson.c b/drivers/reset/reset-meson.c
>> index 94d7ba88d7d2..434d5c0f877e 100644
>> --- a/drivers/reset/reset-meson.c
>> +++ b/drivers/reset/reset-meson.c
>> @@ -9,6 +9,7 @@
>> #include <linux/init.h>
>> #include <linux/io.h>
>> #include <linux/of.h>
>> +#include <linux/module.h>
>> #include <linux/platform_device.h>
>> #include <linux/reset-controller.h>
>> #include <linux/slab.h>
>> @@ -142,4 +143,8 @@ static struct platform_driver meson_reset_driver = {
>> .of_match_table = meson_reset_dt_ids,
>> },
>> };
>> -builtin_platform_driver(meson_reset_driver);
>> +module_platform_driver(meson_reset_driver);
>> +
>> +MODULE_DESCRIPTION("Amlogic Meson Reset Controller driver");
>> +MODULE_AUTHOR("Neil Armstrong <narmstrong at baylibre.com>");
>> +MODULE_LICENSE("Dual BSD/GPL");
>>
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