[PATCH 09/13] mmc: dw_mmc: remove the "clock-freq-min-max" property
jh80.chung at samsung.com
Thu Nov 3 01:42:30 PDT 2016
On 11/03/2016 05:20 PM, Heiko Stübner wrote:
> Hi Jaehoon,
> Am Donnerstag, 3. November 2016, 15:21:31 schrieb Jaehoon Chung:
>> Remove the "clock-freq-min-max" property.
>> There is "max-frequency" property in drivers/mmc/core/host.c
>> It can be used for getting maximum frequency.
>> And minimum clock value is assigned to 100K by default.
>> Because MMC core should check the initial clock value from
>> 400K to 100K until finding correct value.
>> It's why Minimum value puts 100K by default.
>> Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
>> Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt | 3 ---
>> drivers/mmc/host/dw_mmc.c | 13
>> ++++--------- 2 files changed, 4 insertions(+), 12 deletions(-)
>> diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
>> b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt index
>> 4e00e85..21c8251 100644
>> --- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
>> +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
>> @@ -56,9 +56,6 @@ Optional properties:
>> is specified and the ciu clock is specified then we'll try to set the ciu
>> clock to this at probe time.
>> -* clock-freq-min-max: Minimum and Maximum clock frequency for card output
>> - clock(cclk_out). If it's not specified, max is 200MHZ and min is 400KHz
>> by default. -
> I'd think devicetree people will protest about simply removing this property
> without deprecating it first - to be backwards compatible with old devicetrees.
> Especially as this property was added already back in 2013, so has been in use
> for quite some time.
Thanks for pointing out. I will resend the patchset with changing this.
And maintain the backwards compatible.
> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
More information about the Linux-rockchip