Messages in this thread | | | Date | Tue, 21 May 2019 18:10:59 +0300 | From | Dan Carpenter <> | Subject | Re: [PATCH] staging: fieldbus: anybuss: force address space conversion |
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On Tue, May 21, 2019 at 10:51:16AM -0400, Sven Van Asbroeck wrote: > The regmap's context (stored as 'void *') consists of a pointer to > __iomem. Mixing __iomem and non-__iomem addresses generates > sparse warnings. > > Fix by using __force when converting to/from 'void __iomem *' and > the regmap's context. > > Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com> > --- > drivers/staging/fieldbus/anybuss/arcx-anybus.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/staging/fieldbus/anybuss/arcx-anybus.c b/drivers/staging/fieldbus/anybuss/arcx-anybus.c > index a167fb68e355..8126e5535ada 100644 > --- a/drivers/staging/fieldbus/anybuss/arcx-anybus.c > +++ b/drivers/staging/fieldbus/anybuss/arcx-anybus.c > @@ -114,7 +114,7 @@ static void export_reset_1(struct device *dev, bool assert) > static int read_reg_bus(void *context, unsigned int reg, > unsigned int *val) > { > - void __iomem *base = context; > + void __iomem *base = (__force void __iomem *)context;
There is no need to use __force. Just:
void __iomem *base = (void __iomem *)context;
For the rest as well.
regards, dan carpenter
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