Re: [PATCH v28 2/4] dt-bindings: i2c: ast2600-i2c.yaml: Add global-regs and enable-dma properties

Jeremy Kerr <[email protected]>
Newsgroups org.ozlabs.lists.openbmc,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-i2c,org.kernel.vger.linux-kernel,org.ozlabs.lists.linux-aspeed
Message-ID <09cbc12bea5707f794e139ea1bfafac82c2d2c12.camel@codeconstruct.com.au> 
Hi Ryan,

> All AST2600 I2C controller instances have DMA hardware.
> I will remove the aspeed,enable-dma property and instead expose sysfs
> attribute in driver to allow users to enable dma/buffer/byte.

Sounds reasonable, but before you do so, how are you planning to manage
the allocation of DMA channels across multiple i2c peripherals?

Cheers,


Jeremy
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