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Date: Mon, 27 Sep 2010 15:44:08 -0400 From: "John W. Linville" <linville@...driver.com> To: Ohad Ben-Cohen <ohad@...ery.com> Cc: David Miller <davem@...emloft.net>, sfr@...b.auug.org.au, netdev@...r.kernel.org, linux-next@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: linux-next: build failure after merge of the final tree (net tree related) On Mon, Sep 27, 2010 at 09:06:09PM +0200, Ohad Ben-Cohen wrote: > On Mon, Sep 27, 2010 at 9:01 PM, Ohad Ben-Cohen <ohad@...ery.com> wrote: > > On Mon, Sep 27, 2010 at 8:44 PM, John W. Linville > > <linville@...driver.com> wrote: > >> On Mon, Sep 27, 2010 at 08:38:50PM +0200, Ohad Ben-Cohen wrote: > >>> On Mon, Sep 27, 2010 at 8:25 PM, John W. Linville > >>> <linville@...driver.com> wrote: > >>> >> BTW, if this fuglet going to work if the driver is built modular? > >>> >> > >>> >> The idea of this things seems to be to allow arch platform code to call > >>> >> into it to set things. Such calls from arch platform code are going > >>> >> to be "obj-y" > >>> >> > >>> >> So if this is built into the modular driver, I can't see how it > >>> >> can work. > >>> > > >>> > Dave is right -- these Kconfig dependencies (or lack thereof) seem > >>> > to be wrong. > >>> > >>> This is why I had to put it in drivers/net/wireless/Makefile (in both > >>> the original patch and in the fix I sent earlier) and not in > >>> drivers/net/wireless/wl12xx/Makefile (as it was in the fix that Dave > >>> was referring to). > >>> > >>> This way it works with a modular driver. > >> > >> That doesn't seem very helpful if someone selects > >> > >> CONFIG_MACH_OMAP_ZOOM2=y > >> CONFIG_WL12XX_PLATFORM_DATA=n > > > That's a good point (it's a separate issue); we need to have a select there. > > I'll send a patch. No, maybe you don't need it -- the bool line by itself means there is no menu item. So the default y does the job of selecting it all the time (which kinda sucks for non-OMAP)... > >> > > > > CONFIG_WL12XX_PLATFORM_DATA is selected automatically if the relevant > > driver is selected (this is independent of the underlying arch/board): > > > > config WL12XX_PLATFORM_DATA > > bool > > depends on WL1271_SDIO != n > > default y > > > > All we have to make sure is that it will be compiled built-in. If we > > use drivers/net/wireless/wl12xx/Makefile, and we build a modular > > wl1271_sdio, it won't (despite it being selected as y). I don't understand this part. FWIW, Kconfig is not a strength for me. But... > > That's why I put it in drivers/net/wireless/Makefile. Can't we do this? It seems to work (i.e. the symbols from wl12xx_platform_data.o end-up in built-in.o). >From d8ddd0ebe8ae3791ba9c76a506bfcdd60be40f5b Mon Sep 17 00:00:00 2001 From: John W. Linville <linville@...driver.com> Date: Mon, 27 Sep 2010 14:00:51 -0400 Subject: [PATCH] wl12xx: fix separate-object-folder builds Make this go away (happens when building with a separate object directory): Assembler messages: Fatal error: can't create drivers/net/wireless/wl12xx/.tmp_wl12xx_platform_data.o: No such file or directory drivers/net/wireless/wl12xx/wl12xx_platform_data.c: In function 'wl12xx_get_platform_data': drivers/net/wireless/wl12xx/wl12xx_platform_data.c:28: error: cannot open drivers/net/wireless/wl12xx/.tmp_wl12xx_platform_data.gcno drivers/net/wireless/wl12xx/wl12xx_platform_data.c:28: confused by earlier errors, bailing out Signed-off-by: John W. Linville <linville@...driver.com> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au> Cc: Signed-off-by: Ohad Ben-Cohen <ohad@...ery.com> --- drivers/net/wireless/Makefile | 3 +-- drivers/net/wireless/wl12xx/Makefile | 3 +++ 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index 85af697..a13a602 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -50,7 +50,6 @@ obj-$(CONFIG_ATH_COMMON) += ath/ obj-$(CONFIG_MAC80211_HWSIM) += mac80211_hwsim.o obj-$(CONFIG_WL12XX) += wl12xx/ -# small builtin driver bit -obj-$(CONFIG_WL12XX_PLATFORM_DATA) += wl12xx/wl12xx_platform_data.o +obj-$(CONFIG_WL12XX_PLATFORM_DATA) += wl12xx/ obj-$(CONFIG_IWM) += iwmc3200wifi/ diff --git a/drivers/net/wireless/wl12xx/Makefile b/drivers/net/wireless/wl12xx/Makefile index 078b439..0d334d6 100644 --- a/drivers/net/wireless/wl12xx/Makefile +++ b/drivers/net/wireless/wl12xx/Makefile @@ -16,3 +16,6 @@ wl1271-$(CONFIG_NL80211_TESTMODE) += wl1271_testmode.o obj-$(CONFIG_WL1271) += wl1271.o obj-$(CONFIG_WL1271_SPI) += wl1271_spi.o obj-$(CONFIG_WL1271_SDIO) += wl1271_sdio.o + +# small builtin driver bit +obj-$(CONFIG_WL12XX_PLATFORM_DATA) += wl12xx_platform_data.o -- 1.7.2.3 -- John W. Linville Someday the world will need a hero, and you linville@...driver.com might be all we have. Be ready. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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