Re: [PATCH] HID: uclogic: avoid linking common code into multiple modules

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On Mon, Jun 10, 2024, at 18:57, José Expósito wrote:
> On Mon, Jun 10, 2024 at 08:24:51AM +0200, Arnd Bergmann wrote:
>> On Sat, Jun 8, 2024, at 20:28, José Expósito wrote:
>
> Turns out that, since the last time I checked the KUnit docs,
> we have "EXPORT_SYMBOL_IF_KUNIT" available now.
>
> I think we can use it and your final patch, without the MODULE_*
> changes, could look like:

Looks good to me, can you send that with

Reported-by: Arnd Bergmann <arnd@xxxxxxxx>
Acked-by: Arnd Bergmann <arnd@xxxxxxxx>

?

Feel free to take my original changelog text if that helps

     Arnd

> diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
> index ce71b53ea6c5..e40f1ddebbb7 100644
> --- a/drivers/hid/Makefile
> +++ b/drivers/hid/Makefile
> @@ -154,10 +154,8 @@ obj-$(CONFIG_HID_WINWING)  += hid-winwing.o
>  obj-$(CONFIG_HID_SENSOR_HUB)   += hid-sensor-hub.o
>  obj-$(CONFIG_HID_SENSOR_CUSTOM_SENSOR) += hid-sensor-custom.o
> 
> -hid-uclogic-test-objs          := hid-uclogic-rdesc.o \
> -                                  hid-uclogic-params.o \
> -                                  hid-uclogic-rdesc-test.o
> -obj-$(CONFIG_HID_KUNIT_TEST)   += hid-uclogic-test.o
> +hid-uclogic-test-objs          := hid-uclogic-rdesc-test.o
> +obj-$(CONFIG_HID_KUNIT_TEST)   += hid-uclogic.o hid-uclogic-test.o
> 
>  obj-$(CONFIG_USB_HID)          += usbhid/
>  obj-$(CONFIG_USB_MOUSE)                += usbhid/
> diff --git a/drivers/hid/hid-uclogic-rdesc.c b/drivers/hid/hid-uclogic-rdesc.c
> index b6dfdf6356a6..6c7a90417569 100644
> --- a/drivers/hid/hid-uclogic-rdesc.c
> +++ b/drivers/hid/hid-uclogic-rdesc.c
> @@ -17,6 +17,7 @@
>  #include "hid-uclogic-rdesc.h"
>  #include <linux/slab.h>
>  #include <asm/unaligned.h>
> +#include <kunit/visibility.h>
> 
>  /* Fixed WP4030U report descriptor */
>  __u8 uclogic_rdesc_wp4030u_fixed_arr[] = {
> @@ -1242,3 +1243,4 @@ __u8 *uclogic_rdesc_template_apply(const __u8 
> *template_ptr,
> 
>         return rdesc_ptr;
>  }
> +EXPORT_SYMBOL_IF_KUNIT(uclogic_rdesc_template_apply);
>
> I hope that helps,
> Jose





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