switch (ie_id) {
                case ATH6KL_FW_IE_OTP_IMAGE:
-                       ath6kl_dbg(ATH6KL_DBG_BOOT, "found otp image ie (%d B)\n",
+                       ath6kl_dbg(ATH6KL_DBG_BOOT, "found otp image ie (%zd B)\n",
                                ie_len);
 
                        ar->fw_otp = kmemdup(data, ie_len, GFP_KERNEL);
                        ar->fw_otp_len = ie_len;
                        break;
                case ATH6KL_FW_IE_FW_IMAGE:
-                       ath6kl_dbg(ATH6KL_DBG_BOOT, "found fw image ie (%d B)\n",
+                       ath6kl_dbg(ATH6KL_DBG_BOOT, "found fw image ie (%zd B)\n",
                                ie_len);
 
                        ar->fw = kmemdup(data, ie_len, GFP_KERNEL);
                        ar->fw_len = ie_len;
                        break;
                case ATH6KL_FW_IE_PATCH_IMAGE:
-                       ath6kl_dbg(ATH6KL_DBG_BOOT, "found patch image ie (%d B)\n",
+                       ath6kl_dbg(ATH6KL_DBG_BOOT, "found patch image ie (%zd B)\n",
                                ie_len);
 
                        ar->fw_patch = kmemdup(data, ie_len, GFP_KERNEL);
                        break;
                case ATH6KL_FW_IE_CAPABILITIES:
                        ath6kl_dbg(ATH6KL_DBG_BOOT,
-                                  "found firmware capabilities ie (%d B)\n",
+                                  "found firmware capabilities ie (%zd B)\n",
                                   ie_len);
 
                        for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) {
 
        address = ar->hw.app_load_addr;
 
-       ath6kl_dbg(ATH6KL_DBG_BOOT, "writing otp to 0x%x (%d B)\n", address,
+       ath6kl_dbg(ATH6KL_DBG_BOOT, "writing otp to 0x%x (%zd B)\n", address,
                   ar->fw_otp_len);
 
        ret = ath6kl_bmi_fast_download(ar, address, ar->fw_otp,
 
        address = ar->hw.app_load_addr;
 
-       ath6kl_dbg(ATH6KL_DBG_BOOT, "writing firmware to 0x%x (%d B)\n",
+       ath6kl_dbg(ATH6KL_DBG_BOOT, "writing firmware to 0x%x (%zd B)\n",
                   address, ar->fw_len);
 
        ret = ath6kl_bmi_fast_download(ar, address, ar->fw, ar->fw_len);
 
        address = ar->hw.dataset_patch_addr;
 
-       ath6kl_dbg(ATH6KL_DBG_BOOT, "writing patch to 0x%x (%d B)\n",
+       ath6kl_dbg(ATH6KL_DBG_BOOT, "writing patch to 0x%x (%zd B)\n",
                   address, ar->fw_patch_len);
 
        ret = ath6kl_bmi_write(ar, address, ar->fw_patch, ar->fw_patch_len);