linux-kernel - Re: [PATCH] brcmsmac: Fix build dep on LEDS

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Date:	Mon, 18 Nov 2013 23:19:08 +0100
From:	"Arend van Spriel" <arend@...adcom.com>
To:	"Borislav Petkov" <bp@...en8.de>,
	Rafał Miłecki <zajec5@...il.com>
cc:	lkml <linux-kernel@...r.kernel.org>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>
Subject: Re: [PATCH] brcmsmac: Fix build dep on LEDS_CLASS

On 11/18/2013 09:40 PM, Borislav Petkov wrote:
> On Mon, Nov 18, 2013 at 02:32:50PM +0100, Borislav Petkov wrote:
>> On Mon, Nov 18, 2013 at 12:58:58PM +0100, Rafał Miłecki wrote:
>>> Borislav: I think I didn't get your original patch.
>>
>> Forget it, I'll send a better one later.
>
> Ok, let's try another one. I've done it with depends but we
> probably could select LEDS_CLASS in BRCMSMAC_LED as it is required
> functionality...

what about:

config BRCMSMAC
         tristate "Broadcom IEEE802.11n PCIe SoftMAC WLAN driver"
         depends on MAC80211
         depends on BCMA_POSSIBLE
+	select LEDS_CLASS if BCMA_DRIVER_GPIO
	select BCMA

Regards,
Arend

> ---
> From: Borislav Petkov <bp@...e.de>
> Subject: [PATCH -v2] brcmsmac: Fix build dep on LEDS_CLASS
>
> When building randconfigs with CONFIG_BCMA_DRIVER_GPIO=y, I get
>
> drivers/built-in.o: In function `brcms_led_unregister':
> (.text+0x351aca): undefined reference to `led_classdev_unregister'
> drivers/built-in.o: In function `brcms_led_register':
> (.text+0x351c65): undefined reference to `led_classdev_register'
>
> during final linking stage because brcmsmac/led.c needs LEDS_CLASS for
> registering/deregistering the led device. Add a promptless Kconfig
> symbol which takes care of that dependency.
>
> Cc: "Rafał Miłecki" <zajec5@...il.com>
> Cc: <linux-wireless@...r.kernel.org>
> Signed-off-by: Borislav Petkov <bp@...e.de>
> ---
>   drivers/net/wireless/brcm80211/Kconfig           | 4 ++++
>   drivers/net/wireless/brcm80211/brcmsmac/Makefile | 2 +-
>   drivers/net/wireless/brcm80211/brcmsmac/led.h    | 2 +-
>   3 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/wireless/brcm80211/Kconfig b/drivers/net/wireless/brcm80211/Kconfig
> index b00a7e92225f..c9434b7c7b9b 100644
> --- a/drivers/net/wireless/brcm80211/Kconfig
> +++ b/drivers/net/wireless/brcm80211/Kconfig
> @@ -16,6 +16,10 @@ config BRCMSMAC
>   	  be available if you select BCMA_DRIVER_GPIO. If you choose to build a
>   	  module, the driver will be called brcmsmac.ko.
>
> +config BRCMSMAC_LED
> +	def_bool y
> +	depends on BRCMSMAC && BCMA_DRIVER_GPIO && LEDS_CLASS
> +
>   config BRCMFMAC
>   	tristate "Broadcom IEEE802.11n embedded FullMAC WLAN driver"
>   	depends on CFG80211
> diff --git a/drivers/net/wireless/brcm80211/brcmsmac/Makefile b/drivers/net/wireless/brcm80211/brcmsmac/Makefile
> index 32464acccd90..9ec2c8b2f26c 100644
> --- a/drivers/net/wireless/brcm80211/brcmsmac/Makefile
> +++ b/drivers/net/wireless/brcm80211/brcmsmac/Makefile
> @@ -43,6 +43,6 @@ brcmsmac-y := \
>   	brcms_trace_events.o \
>   	debug.o
>
> -brcmsmac-$(CONFIG_BCMA_DRIVER_GPIO) += led.o
> +brcmsmac-$(CONFIG_BRCMSMAC_LED) += led.o
>
>   obj-$(CONFIG_BRCMSMAC)	+= brcmsmac.o
> diff --git a/drivers/net/wireless/brcm80211/brcmsmac/led.h b/drivers/net/wireless/brcm80211/brcmsmac/led.h
> index 17a0b1f5dbcf..b914466e687b 100644
> --- a/drivers/net/wireless/brcm80211/brcmsmac/led.h
> +++ b/drivers/net/wireless/brcm80211/brcmsmac/led.h
> @@ -22,7 +22,7 @@ struct brcms_led {
>   	bool active_low;
>   };
>
> -#ifdef CONFIG_BCMA_DRIVER_GPIO
> +#ifdef CONFIG_BRCMSMAC_LED
>   void brcms_led_unregister(struct brcms_info *wl);
>   int brcms_led_register(struct brcms_info *wl);
>   #else
>


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