Thread (3 messages) 3 messages, 2 authors, 2009-03-31

Re: Inconsistent fsl_get_sys_freq() implementation

From: Grant Likely <hidden>
Date: 2009-03-31 07:33:37
Also in: linuxppc-dev

On Tue, Mar 31, 2009 at 1:28 AM, Wolfgang Grandegger [off-list ref] wrote:
Hello,

we realized an inconsistent implementation of fsl_get_sys_freq():

http://lxr.linux.no/linux+v2.6.29/arch/powerpc/sysdev/fsl_soc.c#L80

For 826x and 827x boards, the function is available but it cannot be
used because the "bus-frequency" property is not defined for the SOC and
U-Boot also does not try to do a fixup. I think that's a mistake, and
the DTS files and U-Boot should be fixed, right?
Furthermore, I find the name confusing. fsl_get_soc_bus_freq() would be
more appropriate also to distinguish from the frequencies of the CPU.
And why does the MPC52xx use a different name mpc52xx_find_ipb_freq()
for that frequency? It makes support for common hardware like I2C awkward.
I haven't looked at fsl_get_soc_bus_freq(), but if the functions are
duplicated, then I've got no problem changing the 52xx support to use
common code.

g.

--
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
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