diff --git a/arch/arm/src/cxd56xx/cxd56_dmac.c b/arch/arm/src/cxd56xx/cxd56_dmac.c
index 851065822d..5f1126a7fe 100644
--- a/arch/arm/src/cxd56xx/cxd56_dmac.c
+++ b/arch/arm/src/cxd56xx/cxd56_dmac.c
@@ -664,7 +664,7 @@ static int dma_stop(int ch)
  *
  ****************************************************************************/
 
-void weak_function up_dmainitialize(void)
+void weak_function up_dma_initialize(void)
 {
   int i;
 
diff --git a/configs/spresense/wifi/defconfig b/configs/spresense/wifi/defconfig
index dfefc6ab1f..7b9d8a5e78 100644
--- a/configs/spresense/wifi/defconfig
+++ b/configs/spresense/wifi/defconfig
@@ -20,6 +20,8 @@ CONFIG_BOOT_RUNFROMISRAM=y
 CONFIG_BUILTIN=y
 CONFIG_CLOCK_MONOTONIC=y
 CONFIG_CODECS_HASH_MD5=y
+CONFIG_CXD56_DMAC_SPI5_RX=y
+CONFIG_CXD56_DMAC_SPI5_TX=y
 CONFIG_CXD56_SDIO=y
 CONFIG_CXD56_SPI5=y
 CONFIG_CXD56_SPI=y
@@ -38,15 +40,18 @@ CONFIG_FS_PROCFS_REGISTER=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_I2C=y
+CONFIG_LIB_SENDFILE_BUFSIZE=1024
 CONFIG_MAX_WDOGPARMS=2
 CONFIG_MMCSD=y
 CONFIG_MMCSD_SDIO=y
+CONFIG_NAME_MAX=256
 CONFIG_NET=y
 CONFIG_NETDB_DNSCLIENT=y
 CONFIG_NETDEVICES=y
 CONFIG_NETINIT_NETLOCAL=y
 CONFIG_NETUTILS_CODECS=y
 CONFIG_NETUTILS_FTPC=y
+CONFIG_NETUTILS_HTTPD_SENDFILE=y
 CONFIG_NETUTILS_TELNETD=y
 CONFIG_NETUTILS_WEBCLIENT=y
 CONFIG_NETUTILS_WEBSERVER=y
@@ -93,3 +98,4 @@ CONFIG_USBMSC_REMOVABLE=y
 CONFIG_USER_ENTRYPOINT="nsh_main"
 CONFIG_WIRELESS_GS2200M=y
 CONFIG_WL_GS2200M=y
+CONFIG_WL_GS2200M_SPI_FREQUENCY=10000000
diff --git a/drivers/wireless/Kconfig b/drivers/wireless/Kconfig
index 0662abcffc..c49988e9c4 100644
--- a/drivers/wireless/Kconfig
+++ b/drivers/wireless/Kconfig
@@ -29,6 +29,15 @@ config WL_GS2200M
 	select SPI
 	select LIBC_SCANSET
 
+if WL_GS2200M
+
+config WL_GS2200M_SPI_FREQUENCY
+	int "SPI frequencey for GS2200M"
+	default 4000000
+	range 4000000 10000000
+
+endif
+
 source drivers/wireless/spirit/Kconfig
 
 menuconfig DRIVERS_IEEE802154
diff --git a/drivers/wireless/gs2200m.c b/drivers/wireless/gs2200m.c
index 57cc38d9ce..542371623a 100644
--- a/drivers/wireless/gs2200m.c
+++ b/drivers/wireless/gs2200m.c
@@ -72,7 +72,7 @@
 
 #define GS2200MWORK LPWORK
 
-#define SPI_MAXFREQ  (4000000)  /* 4MHz. */
+#define SPI_MAXFREQ  CONFIG_WL_GS2200M_SPI_FREQUENCY
 #define NRESPMSG     8
 
 #define MAX_PKT_LEN  1500
@@ -861,7 +861,7 @@ retry:
    * workaround to avoid realy receiving an invalid frame response
    */
 
-  usleep(100);
+  up_udelay(100);
 
   /* Read frame response */
 
@@ -1408,7 +1408,7 @@ static enum pkt_type_e gs2200m_get_mac(FAR struct gs2200m_dev_s *dev)
       dev->net_dev.d_mac.ether.ether_addr_octet[n] = (uint8_t)mac[n];
     }
 
- errout:
+errout:
   _release_pkt_dat(&pkt_dat);
   return r;
 }
@@ -1868,6 +1868,13 @@ static int gs2200m_ioctl_connect(FAR struct gs2200m_dev_s *dev,
         break;
 
       default:
+        /* REVISIT:
+         * TYPE_BULK for other sockets might be received here,
+         * if the sockets have heavy bulk traffic.
+         * In this case, the packet should be queued and
+         * wait for a response to the NCTCP command.
+         */
+
         wlerr("+++ error: type=%d \n", type);
         ASSERT(false);
         ret = -EINVAL;