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Date: Wed, 17 Mar 2021 17:49:48 -0500
From: Alex Elder <elder@...e.org>
To: Florian Fainelli <f.fainelli@...il.com>,
Alex Elder <elder@...aro.org>, davem@...emloft.net,
kuba@...nel.org
Cc: bjorn.andersson@...aro.org, evgreen@...omium.org,
cpratapa@...eaurora.org, subashab@...eaurora.org, elder@...nel.org,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 2/4] net: ipa: introduce dma_addr_high32()
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
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