RE: [PATCHv2 1/4] pwm: Add Freescale FTM PWM driver support

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




> Subject: Re: [PATCHv2 1/4] pwm: Add Freescale FTM PWM driver support
> 
> On Tue, Sep 03, 2013 at 04:17:09AM +0000, Xiubo Li-B47053 wrote:
> > > Subject: Re: [PATCHv2 1/4] pwm: Add Freescale FTM PWM driver support
> > >
> > > You simply don't need the available field. You don't need to track
> > > whether they are available. If a user enables a pwm which is not
> > > routed out of the SoC (disabled in the iomux) simply nothing will
> > > happen except for a slightly increased power consumption.
> > >
> > If the there is not need to explicitly specify the channels are
> > available or not, so there is no doubt that the 'available' field will
> > be dropt.  Why I added this here is because that the 4th and 5th
> > channels' pinctrls are used as UART TX and RX as I have mentioned
> > before, so here if you configure these two pinctrls, the UART TX and
> > RX will be polluted, there maybe some other cases like this.
> 
> If you misconfigure your iomux then usually unexptected things happen.
> That is not the problem of the PWM driver, but the problem of the one
> writing the devicetree. The kernel will print a message for conflicting
> iomux settings. That should be hint enough to fix it.
> 

That sounds good.
Actully there isn't any conflicting messages will be printed.

I will think it over.


--
Best Regards,
Xiubo 

--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]
  Powered by Linux