rtc-ds1742.c should use resource_size_t for base address
anemo at mba.ocn.ne.jp
Sat Sep 15 02:09:40 EST 2007
On Fri, 14 Sep 2007 15:54:27 +1000, David Gibson <david at gibson.dropbear.id.au> wrote:
> Currently the rtc driver, rtc-ds1742.c uses an unsigned long to store
> the base mmio address of the NVRAM/RTC. This breaks on systems like
> PowerPC 440, which is a 32-bit core with 36-bit physical addresses: IO
> on the system, including the RTC, is typically above the 4GB point,
> and cannot fit into an unsigned long.
> This patch fixes the problem by replacing the unsigned long with a
> resource_size_t. Tested on Ebony (PPC440) (with additional patches to
> instantiate the ds1742 platform device appropriately).
> Signed-off-by: David Gibson <david at gibson.dropbear.id.au>
Acked-by: Atsushi Nemoto <anemo at mba.ocn.ne.jp>
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