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