From: "Valo, Kalle" <kvalo@qca.qualcomm.com>
To: Joe Perches <joe@perches.com>
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
"ath10k@lists.infradead.org" <ath10k@lists.infradead.org>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/3] ath10k: use dma_zalloc_coherent()
Date: Tue, 24 Jan 2017 05:18:49 +0000 [thread overview]
Message-ID: <8737g9ox1k.fsf@qca.qualcomm.com> (raw)
In-Reply-To: <1485213569.12563.32.camel@perches.com> (Joe Perches's message of "Mon, 23 Jan 2017 15:19:29 -0800")
Joe Perches <joe@perches.com> writes:
> On Mon, 2017-01-23 at 15:04 +0000, Srinivas Kandagatla wrote:
>> use dma_zalloc_coherent() instead of dma_alloc_coherent and memset().
> []
>> diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
> []
>> @@ -896,7 +896,7 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data,
>> */
>> alloc_nbytes = min_t(unsigned int, nbytes, DIAG_TRANSFER_LIMIT);
>>
>> - data_buf = (unsigned char *)dma_alloc_coherent(ar->dev,
>> + data_buf = (unsigned char *)dma_zalloc_coherent(ar->dev,
>> alloc_nbytes,
>> &ce_data_base,
>> GFP_ATOMIC);
>
> trivia:
>
> Nicer to realign arguments and remove the unnecessary cast.
>
> Perhaps:
>
> data_buf = dma_zalloc_coherent(ar->dev, alloc_nbytes, &ce_data_base,
> GFP_ATOMIC);
Sure, but that should be in a separate patch.
--
Kalle Valo
next prev parent reply other threads:[~2017-01-24 5:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-23 15:04 [PATCH 1/3] ath10k: remove multiple defines of DIAG_TRANSFER_LIMIT Srinivas Kandagatla
2017-01-23 15:04 ` [PATCH 2/3] ath10k: use dma_zalloc_coherent() Srinivas Kandagatla
2017-01-23 23:19 ` Joe Perches
2017-01-24 5:18 ` Valo, Kalle [this message]
2017-01-24 5:25 ` Joe Perches
2017-01-24 12:13 ` Valo, Kalle
2017-01-23 15:04 ` [PATCH 3/3] ath10k: fix typo in addr calculation Srinivas Kandagatla
2017-01-27 18:04 ` [1/3] ath10k: remove multiple defines of DIAG_TRANSFER_LIMIT Kalle Valo
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