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

[Florian Fainelli]

On 3/17/2021 3:49 PM, Alex Elder wrote:
> 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

include/linux/kernel.h, and it is upper_32_bits() and lower_32_bits()
sorry about the missing space.
-- 
Florian