From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: [PATCH 3/5] Input: hilkbd - Add casts to HP9000/300 I/O accessors Date: Mon, 16 Jul 2018 12:21:25 +0000 Message-ID: <20180716122125.m5ycmj7xh2mmufnf@penguin> References: <20180709093040.23597-1-geert@linux-m68k.org> <20180709093040.23597-4-geert@linux-m68k.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20180709093040.23597-4-geert@linux-m68k.org> Sender: linux-kernel-owner@vger.kernel.org To: Geert Uytterhoeven Cc: Greg Ungerer , Helge Deller , linux-m68k@lists.linux-m68k.org, netdev@vger.kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-input@vger.kernel.org On Mon, Jul 09, 2018 at 11:30:38AM +0200, Geert Uytterhoeven wrote: > Internally, hilkbd uses "unsigned long" I/O addresses everywhere. > This works fine as: > - On PA-RISC, hilkbd uses the gsc_{read,write}b() I/O accessors, which > take "unsigned long" addresses, > - On m68k, hilkbd uses {read,write}b(), which are currently mapped to > {in,out}_8(), and convert the passed addresses to pointers > internally. > > However, the asm-generic version of {read,write}b() does not perform > such conversions, and requires passing pointers instead. Hence add > casts to prepare for switching m68k to the asm-generic version. > > Signed-off-by: Geert Uytterhoeven Acked-by: Dmitry Torokhov > --- > This is a dependency for "m68k/io: Switch mmu variant to > ". > > v2: > - No changes. > --- > drivers/input/keyboard/hilkbd.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/input/keyboard/hilkbd.c b/drivers/input/keyboard/hilkbd.c > index a4e404aaf64bdb82..5c7afdec192c139b 100644 > --- a/drivers/input/keyboard/hilkbd.c > +++ b/drivers/input/keyboard/hilkbd.c > @@ -57,8 +57,8 @@ MODULE_LICENSE("GPL v2"); > #define HIL_DATA 0x1 > #define HIL_CMD 0x3 > #define HIL_IRQ 2 > - #define hil_readb(p) readb(p) > - #define hil_writeb(v,p) writeb((v),(p)) > + #define hil_readb(p) readb((const volatile void __iomem *)(p)) > + #define hil_writeb(v, p) writeb((v), (volatile void __iomem *)(p)) > > #else > #error "HIL is not supported on this platform" > -- > 2.17.1 > -- Dmitry