Re: [PATCH net-next 2/4] net: ipa: introduce dma_addr_high32()

[Alex Elder]

On 3/17/21 5:47 PM, Florian Fainelli wrote:
> > +/* Encapsulate extracting high-order 32 bits of DMA address */
> > +static u32 dma_addr_high32(dma_addr_t addr)
> > +{
> > +#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
> > +	return (u32)(addr >> 32);
> You can probably use upper_32bits() here...

Where is that defined?  I'd be glad to use it.	-Alex