Re: [PATCH v1 3/3] Bluetooth: NXP: Add protocol support for NXP Bluetooth chipsets

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Hi Neeraj,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on bluetooth-next/master]
[also build test WARNING on bluetooth/master tty/tty-testing tty/tty-next tty/tty-linus linus/master v6.2-rc5 next-20230124]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Neeraj-Sanjay-Kale/serdev-Add-method-to-assert-break/20230125-015108
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master
patch link:    https://lore.kernel.org/r/20230124174714.2775680-4-neeraj.sanjaykale%40nxp.com
patch subject: [PATCH v1 3/3] Bluetooth: NXP: Add protocol support for NXP Bluetooth chipsets
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230125/202301250708.mfePhaPV-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/e5f775c45ec84de38a4cadfb115c488cb44e5943
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Neeraj-Sanjay-Kale/serdev-Add-method-to-assert-break/20230125-015108
        git checkout e5f775c45ec84de38a4cadfb115c488cb44e5943
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/bluetooth/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

   In file included from drivers/bluetooth/btnxp.c:31:
   drivers/bluetooth/btnxp.c: In function 'nxp_recv_fw_req_v1':
>> drivers/bluetooth/btnxp.c:707:33: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
     707 |                         BT_INFO("FW_Downloaded Successfully: %ld bytes", nxpdev->fw->size);
         |                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  ~~~~~~~~~~~~~~~~
         |                                                                                    |
         |                                                                                    size_t {aka unsigned int}
   include/net/bluetooth/bluetooth.h:242:41: note: in definition of macro 'BT_INFO'
     242 | #define BT_INFO(fmt, ...)       bt_info(fmt "\n", ##__VA_ARGS__)
         |                                         ^~~
   drivers/bluetooth/btnxp.c:707:64: note: format string is defined here
     707 |                         BT_INFO("FW_Downloaded Successfully: %ld bytes", nxpdev->fw->size);
         |                                                              ~~^
         |                                                                |
         |                                                                long int
         |                                                              %d
   drivers/bluetooth/btnxp.c: In function 'nxp_recv_fw_req_v3':
   drivers/bluetooth/btnxp.c:826:25: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
     826 |                 BT_INFO("FW_Downloaded Successfully: %ld bytes", nxpdev->fw->size);
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  ~~~~~~~~~~~~~~~~
         |                                                                            |
         |                                                                            size_t {aka unsigned int}
   include/net/bluetooth/bluetooth.h:242:41: note: in definition of macro 'BT_INFO'
     242 | #define BT_INFO(fmt, ...)       bt_info(fmt "\n", ##__VA_ARGS__)
         |                                         ^~~
   drivers/bluetooth/btnxp.c:826:56: note: format string is defined here
     826 |                 BT_INFO("FW_Downloaded Successfully: %ld bytes", nxpdev->fw->size);
         |                                                      ~~^
         |                                                        |
         |                                                        long int
         |                                                      %d


vim +707 drivers/bluetooth/btnxp.c

   647	
   648	/* for legacy chipsets with V1 bootloader */
   649	static int nxp_recv_fw_req_v1(struct hci_dev *hdev, struct sk_buff *skb)
   650	{
   651		struct V1_DATA_REQ *req = skb_pull_data(skb, sizeof(struct V1_DATA_REQ));
   652		struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);
   653		const struct btnxpuart_data *nxp_data = nxpdev->nxp_data;
   654		static bool timeout_changed;
   655		static bool baudrate_changed;
   656		u32 requested_len;
   657		static u32 expected_len = HDR_LEN;
   658		int err;
   659	
   660		if (!test_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state))
   661			return 0;
   662	
   663		if (strlen(nxpdev->fw_name) == 0) {
   664			err = nxp_load_fw_params_for_chip_id(0xffff, hdev);
   665			if (err < 0)
   666				return err;
   667			timeout_changed = false;
   668			baudrate_changed = false;
   669			/* If secondary baudrate is not read from
   670			 * the conf file set default value from nxp_data
   671			 */
   672			if (nxpdev->fw_dnld_sec_baudrate == 0)
   673				nxpdev->fw_dnld_sec_baudrate = nxp_data->fw_dnld_sec_baudrate;
   674		}
   675	
   676		if (nxpdev->fw_dnld_sec_baudrate != nxpdev->current_baudrate) {
   677			if (!timeout_changed) {
   678				nxp_send_ack(NXP_ACK_V1, hdev);
   679				timeout_changed = nxp_fw_change_timeout(hdev, req->len);
   680				return 0;
   681			}
   682			if (!baudrate_changed) {
   683				nxp_send_ack(NXP_ACK_V1, hdev);
   684				baudrate_changed = nxp_fw_change_baudrate(hdev, req->len);
   685				if (baudrate_changed) {
   686					serdev_device_set_baudrate(nxpdev->serdev,
   687									nxpdev->fw_dnld_sec_baudrate);
   688					nxpdev->current_baudrate = nxpdev->fw_dnld_sec_baudrate;
   689				}
   690				return 0;
   691			}
   692		}
   693	
   694		if (!nxpdev->fw) {
   695			BT_INFO("Request Firmware: %s", nxpdev->fw_name);
   696			err = request_firmware(&nxpdev->fw, nxpdev->fw_name, &hdev->dev);
   697			if (err < 0) {
   698				BT_ERR("Firmware file %s not found", nxpdev->fw_name);
   699				clear_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);
   700				return err;
   701			}
   702		}
   703	
   704		if (req && (req->len ^ req->len_comp) == 0xffff) {
   705			nxp_send_ack(NXP_ACK_V1, hdev);
   706			if (req->len == 0) {
 > 707				BT_INFO("FW_Downloaded Successfully: %ld bytes", nxpdev->fw->size);
   708				clear_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);
   709				wake_up_interruptible(&nxpdev->suspend_wait_q);
   710				return 0;
   711			}
   712			if (req->len & 0x01) {
   713				/* The CRC did not match at the other end.
   714				 * That's why the request to re-send.
   715				 * Simply send the same bytes again.
   716				 */
   717				requested_len = nxpdev->fw_sent_bytes;
   718				BT_ERR("CRC error. Resend %d bytes of FW.", requested_len);
   719			} else {
   720				/* Increment offset by number of previous successfully sent bytes */
   721				nxpdev->fw_dnld_offset += nxpdev->fw_sent_bytes;
   722				requested_len = req->len;
   723			}
   724	
   725			/* The FW bin file is made up of many blocks of
   726			 * 16 byte header and payload data chunks. If the
   727			 * FW has requested a header, read the payload length
   728			 * info from the header, and then send the header.
   729			 * In the next iteration, the FW should request the
   730			 * payload data chunk, which should be equal to the
   731			 * payload length read from header. If there is a
   732			 * mismatch, clearly the driver and FW are out of sync,
   733			 * and we need to re-send the previous header again.
   734			 */
   735			if (requested_len == expected_len) {
   736				if (requested_len == HDR_LEN)
   737					expected_len = nxp_get_data_len(nxpdev->fw->data +
   738										nxpdev->fw_dnld_offset);
   739				else
   740					expected_len = HDR_LEN;
   741			} else {
   742				if (requested_len == HDR_LEN) {
   743					/* FW download out of sync. Send previous chunk again */
   744					nxpdev->fw_dnld_offset -= nxpdev->fw_sent_bytes;
   745					expected_len = HDR_LEN;
   746				}
   747			}
   748	
   749			if (nxpdev->fw_dnld_offset + requested_len <= nxpdev->fw->size)
   750				serdev_device_write_buf(nxpdev->serdev,
   751						nxpdev->fw->data + nxpdev->fw_dnld_offset,
   752						requested_len);
   753			nxpdev->fw_sent_bytes = requested_len;
   754		} else {
   755			BT_INFO("ERR: Send NAK");
   756			nxp_send_ack(NXP_NAK_V1, hdev);
   757		}
   758		return 0;
   759	}
   760	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests



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