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Date: Fri, 20 Aug 2010 11:27:01 -0700 From: Randy Dunlap <randy.dunlap@...cle.com> To: Henrik Kretzschmar <henne@...htwindheim.de> Cc: rpurdie@...ys.net, sameo@...ux.intel.com, mjg@...hat.com, error27@...il.com, linux-kernel@...r.kernel.org Subject: Re: [PATCH] backlight: 88pm860x_bl: fix build failure On Fri, 20 Aug 2010 20:01:55 +0200 Henrik Kretzschmar wrote: > On x86_64 system this driver fails to build, since theres already a fails as in an error, not just a warning? I see this: drivers/video/backlight/88pm860x_bl.c:24:1: warning: "CURRENT_MASK" redefined arch/x86/include/asm/page_64_types.h:6:1: warning: this is the location of the previous definition > macro called CURRENT_MASK in arch/asm/include/page_64_types.h > So I renamed this macro to BL_CURRENT_MASK to aviod a collision. > > Signed-off-by: Henrik Kretzschmar <henne@...htwindheim.de> > --- > This patch is against Linux tree and tested. > > drivers/video/backlight/88pm860x_bl.c | 4 ++-- > 1 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c > index 38ffc3f..68bd602 100644 > --- a/drivers/video/backlight/88pm860x_bl.c > +++ b/drivers/video/backlight/88pm860x_bl.c > @@ -21,7 +21,7 @@ > #define MAX_BRIGHTNESS (0xFF) > #define MIN_BRIGHTNESS (0) > > -#define CURRENT_MASK (0x1F << 1) > +#define BL_CURRENT_MASK (0x1F << 1) > > struct pm860x_backlight_data { > struct pm860x_chip *chip; > @@ -85,7 +85,7 @@ static int pm860x_backlight_set(struct backlight_device *bl, int brightness) > if ((data->current_brightness == 0) && brightness) { > if (data->iset) { > ret = pm860x_set_bits(data->i2c, wled_idc(data->port), > - CURRENT_MASK, data->iset); > + BL_CURRENT_MASK, data->iset); > if (ret < 0) > goto out; > } > -- --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** -- 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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