Hi,
On Mon, Feb 13 2012, Huang Changming-R66093 wrote:
>> Actually, I think I'm still missing something. Why doesn't this work?
>>
>> +static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int
>> +clock) {
>> + /* Workaround to reduce the clock frequency for p1010 esdhc */
>> + if (of_find_compatible_node(NULL, NULL, "fsl,p1010-esdhc")) {
>> + if (clock > 20000000)
>> + clock -= 5000000;
>> + if (clock > 40000000)
>> + clock -= 5000000;
>> + }
>> +
>> + /* Set the clock */
>> + esdhc_set_clock(host, clock);
>> +}
>>
> These codes can work, too.
> I forget the clock will be reduced 5M/10M only when the clock is
> greater than 20MHz/45MHz.
> So I should not test the clock in this function.
Great, thanks -- please test and submit a patch with the code above,
and I'll merge it.
- Chris.
--
Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/>
One Laptop Per Child
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