On Thu, Feb 1, 2018 at 12:00 PM, Kalle Valo <kvalo@xxxxxxxxxxxxxx> wrote:
> Amitkumar Karwar <amitkarwar@xxxxxxxxx> writes:
>
>> From: Prameela Rani Garnepudi <prameela.j04cs@xxxxxxxxx>
>>
>> Rx bluetooth endpoint shall be added in further patches. Rx control
>> block is introduced here to handle Rx packets properly. Separate
>> function is written to initialize the RX control blocks.
>>
>> Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@xxxxxxxxx>
>> Signed-off-by: Siva Rebbagondla <siva.rebbagondla@xxxxxxxxxxxxxxxxxx>
>> Signed-off-by: Amitkumar Karwar <amit.karwar@xxxxxxxxxxxxxxxxxx>
>
> [...]
>
>> +static int rsi_usb_init_rx(struct rsi_hw *adapter)
>> +{
>> + struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
>> + struct rx_usb_ctrl_block *rx_cb;
>> + u8 idx;
>> +
>> + for (idx = 0; idx < MAX_RX_URBS; idx++) {
>> + rx_cb = &dev->rx_cb[idx];
>> +
>> + rx_cb->rx_buffer = kzalloc(RSI_USB_BUF_SIZE * 2,
>> + GFP_KERNEL | GFP_DMA);
>
> Do you really need GFP_DMA? From the documentation:
>
> "GFP_DMA exists for historical reasons and should be avoided where
> possible."
Thanks for review. I will get rid of this flag,
Regards,
Amitkumar
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