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From: Alex Elder <elder@ieee.org>
To: Florian Fainelli <f.fainelli@gmail.com>,
	Alex Elder <elder@linaro.org>,
	davem@davemloft.net, kuba@kernel.org
Cc: bjorn.andersson@linaro.org, evgreen@chromium.org,
	cpratapa@codeaurora.org, subashab@codeaurora.org,
	elder@kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 2/4] net: ipa: introduce dma_addr_high32()
Date: Wed, 17 Mar 2021 17:49:48 -0500	[thread overview]
Message-ID: <60106d7b-ad70-01fa-9f90-fe384cc428f8@ieee.org> (raw)
In-Reply-To: <36b9977b-32b1-eb4a-0056-4f742e3fe4d6@gmail.com>

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


  reply	other threads:[~2021-03-17 22:50 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-17 22:29 [PATCH net-next 0/4] net: ipa: support 32-bit targets Alex Elder
2021-03-17 22:29 ` [PATCH net-next 1/4] net: ipa: fix assumptions about DMA address size Alex Elder
2021-03-17 22:29 ` [PATCH net-next 2/4] net: ipa: introduce dma_addr_high32() Alex Elder
2021-03-17 22:47   ` Florian Fainelli
2021-03-17 22:49     ` Alex Elder [this message]
2021-03-17 23:00       ` Florian Fainelli
2021-03-18 13:33         ` Alex Elder
2021-03-17 22:29 ` [PATCH net-next 3/4] net: ipa: fix table alignment requirement Alex Elder
2021-03-17 22:29 ` [PATCH net-next 4/4] net: ipa: relax 64-bit build requirement Alex Elder

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