Re: [PATCH v2 4/4] ARM: dts: mt8135: Add pinctrl node for mt8135.
From: Sascha Hauer
Date: Fri Sep 26 2014 - 01:33:46 EST
On Wed, Sep 24, 2014 at 02:40:44PM +0200, Sascha Hauer wrote:
> > I haven't got to reviewing the driver, but this looks just wrong.
> > Have the magic numbers in the driver.
> > Use strings to describe functions, not integers.
> Interrupts, clocks, gpios, dma channels, nearly everything in the device tree is
> arbitrarily numbered. Instead of "irq-i2c0" we have <0 36 IRQ_TYPE_LEVEL_HIGH>
> in the device tree. These numbers can be resolved efficiently in the
> driver by shifting them to get a bitmask or by adding them as offset to
> a register base.
> Why do you want to make pinctrl different? Thanks to the recently
> introduced defines in the device trees these numbers are not magic at
> all anymore.
Any opinions on this?
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