[PATCH 6/6] DTS: add SPI flash(s25fl128p01) support on p4080ds and mpc8536ds board

Grant Likely grant.likely at secretlab.ca
Mon Jul 26 17:59:15 EST 2010


On Mon, Jul 26, 2010 at 1:39 AM, Hu Mingkai-B21284 <B21284 at freescale.com> wrote:
>
>
>> -----Original Message-----
>> From: Grant Likely [mailto:glikely at secretlab.ca] On Behalf Of
>> Grant Likely
>> Sent: Monday, July 26, 2010 8:35 AM
>> To: Hu Mingkai-B21284
>> Cc: linuxppc-dev at ozlabs.org; galak at kernel.crashing.org; Zang
>> Roy-R61911
>> Subject: Re: [PATCH 6/6] DTS: add SPI flash(s25fl128p01)
>> support on p4080ds and mpc8536ds board
>>
>> On Tue, Jul 20, 2010 at 10:08:25AM +0800, Mingkai Hu wrote:
>> > Signed-off-by: Mingkai Hu <Mingkai.hu at freescale.com>
>> > ---
>> >  arch/powerpc/boot/dts/mpc8536ds.dts |   52
>> +++++++++++++++++++++++++++++++++++
>> >  arch/powerpc/boot/dts/p4080ds.dts   |    9 ++----
>> >  2 files changed, 55 insertions(+), 6 deletions(-)
>> >
>> > diff --git a/arch/powerpc/boot/dts/mpc8536ds.dts
>> > b/arch/powerpc/boot/dts/mpc8536ds.dts
>> > index 815cebb..e5d07ec 100644
>> > --- a/arch/powerpc/boot/dts/mpc8536ds.dts
>> > +++ b/arch/powerpc/boot/dts/mpc8536ds.dts
>> > @@ -108,6 +108,58 @@
>> >                     };
>> >             };
>> >
>> > +           spi at 7000 {
>> > +                   #address-cells = <1>;
>> > +                   #size-cells = <0>;
>> > +                   compatible = "fsl,espi";
>> > +                   reg = <0x7000 0x1000>;
>> > +                   interrupts = <59 0x2>;
>> > +                   interrupt-parent = <&mpic>;
>> > +                   fsl,espi-num-chipselects = <4>;
>> > +
>> > +                   flash at 0 {
>> > +                           #address-cells = <1>;
>> > +                           #size-cells = <1>;
>> > +                           compatible = "spansion,s25sl12801";
>>
>> whitespace inconsitencies
>>
>> > +                           reg = <0>;
>> > +                           spi-max-frequency = <40000000>;
>> > +                           partition at u-boot {
>> > +                                   label = "u-boot";
>> > +                                   reg = <0x00000000 0x00100000>;
>> > +                                   read-only;
>> > +                           };
>> > +                           partition at kernel {
>> > +                                   label = "kernel";
>> > +                                   reg = <0x00100000 0x00500000>;
>> > +                                   read-only;
>> > +                           };
>> > +                           partition at dtb {
>> > +                                   label = "dtb";
>> > +                                   reg = <0x00600000 0x00100000>;
>> > +                                   read-only;
>> > +                           };
>> > +                           partition at fs {
>> > +                                   label = "file system";
>> > +                                   reg = <0x00700000 0x00900000>;
>> > +                           };
>> > +                   };
>> > +                   flash at 1 {
>> > +                           compatible = "spansion,s25sl12801";
>> > +                           reg = <1>;
>> > +                           spi-max-frequency = <40000000>;
>> > +                   };
>> > +                   flash at 2 {
>> > +                           compatible = "spansion,s25sl12801";
>> > +                           reg = <2>;
>> > +                           spi-max-frequency = <40000000>;
>> > +                   };
>> > +                   flash at 3 {
>> > +                           compatible = "spansion,s25sl12801";
>>
>> whitespace inconsitencies
>>
>> > +                           reg = <3>;
>> > +                           spi-max-frequency = <40000000>;
>> > +                   };
>> > +           };
>> > +
>> >             dma at 21300 {
>> >                     #address-cells = <1>;
>> >                     #size-cells = <1>;
>> > diff --git a/arch/powerpc/boot/dts/p4080ds.dts
>> > b/arch/powerpc/boot/dts/p4080ds.dts
>> > index 6b29eab..ac7dd23 100644
>> > --- a/arch/powerpc/boot/dts/p4080ds.dts
>> > +++ b/arch/powerpc/boot/dts/p4080ds.dts
>> > @@ -236,22 +236,19 @@
>> >             };
>> >
>> >             spi at 110000 {
>> > -                   cell-index = <0>;
>> >                     #address-cells = <1>;
>> >                     #size-cells = <0>;
>> >                     compatible = "fsl,espi";
>> >                     reg = <0x110000 0x1000>;
>> >                     interrupts = <53 0x2>;
>> >                     interrupt-parent = <&mpic>;
>> > -                   espi,num-ss-bits = <4>;
>> > -                   mode = "cpu";
>> > +                   fsl,espi-num-chipselects = <4>;
>> >
>> > -                   fsl_m25p80 at 0 {
>> > +                   flash at 0 {
>> >                             #address-cells = <1>;
>> >                             #size-cells = <1>;
>> > -                           compatible = "fsl,espi-flash";
>> > +                           compatible = "spansion,s25sl12801";
>>
>> whitespace inconsistencies
>>
>
> I use checkpatch to check the patch, but don't find any warnings and
> errors.
> so what's the whitespace inconsistencies means?
>
> hmk at rock:~/public/linux-2.6$ ./scripts/checkpatch.pl
> patch/public/v1/0006-DTS-add-SPI-flash-s25fl128p01-support-on-p4080ds-an
> d.patch
> total: 0 errors, 0 warnings, 83 lines checked
>
> patch/public/v1/0006-DTS-add-SPI-flash-s25fl128p01-support-on-p4080ds-an
> d.patch has no obvious style problems and is ready for submission.

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g.


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