Re: [PATCH v4 3/3] Bluetooth: NXP: Add protocol support for NXP Bluetooth chipsets

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Hi Greg,

Thank you for reviewing this patch.

> > +             bt_dev_info(hdev, "Set UART break: %s, status=%d",
> > +                         ps_state == PS_STATE_AWAKE ? "off" : "on",
> > + status);
> 
> You have a lot of "noise" in this driver, remove all "info" messages, as if a
> driver is working properly, it is quiet.
> 
Replaced all bt_dev_info() and bt_dev_err() with bt_dev_dbg() for all instances where user action is not possible.

> 
> > +     } else if (req_len == sizeof(uart_config)) {
> > +             uart_config.clkdiv.address = __cpu_to_le32(CLKDIVADDR);
> > +             uart_config.clkdiv.value = __cpu_to_le32(0x00c00000);
> > +             uart_config.uartdiv.address = __cpu_to_le32(UARTDIVADDR);
> > +             uart_config.uartdiv.value = __cpu_to_le32(1);
> > +             uart_config.mcr.address = __cpu_to_le32(UARTMCRADDR);
> > +             uart_config.mcr.value = __cpu_to_le32(MCR);
> > +             uart_config.re_init.address = __cpu_to_le32(UARTREINITADDR);
> > +             uart_config.re_init.value = __cpu_to_le32(INIT);
> > +             uart_config.icr.address = __cpu_to_le32(UARTICRADDR);
> > +             uart_config.icr.value = __cpu_to_le32(ICR);
> > +             uart_config.fcr.address = __cpu_to_le32(UARTFCRADDR);
> > +             uart_config.fcr.value = __cpu_to_le32(FCR);
> > +             uart_config.crc = swab32(nxp_fw_dnld_update_crc(0UL,
> > +                                                             (char *)&uart_config,
> > +                                                             sizeof(uart_config) - 4));
> > +             serdev_device_write_buf(nxpdev->serdev, (u8 *)&uart_config,
> req_len);
> > +             serdev_device_wait_until_sent(nxpdev->serdev, 0);
> 
> You are sending magic commands over the serial connection, are you sure
> that is ok?
Yes, we are sending this only when the BT chip's bootloader is requesting for payload for the CMD5 sent earlier during FW download.

Thanks,
Neeraj




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