rtc-ds1742.c should use resource_size_t for base address

Josh Boyer jwboyer at linux.vnet.ibm.com
Sat Sep 15 03:20:37 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).

Where would those additional patches be? :)


More information about the Linuxppc-dev mailing list