Messages in this thread | | | Subject | Re: [PATCH net-next 2/4] net: ipa: introduce dma_addr_high32() | From | Florian Fainelli <> | Date | Wed, 17 Mar 2021 16:00:33 -0700 |
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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
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