typedef struct {
        void *os_context;
        u32 block_size;
-       int (*sdio_cmd53)(sdio_cmd53_t *);
        int (*sdio_set_max_speed)(void);
        int (*sdio_set_default_speed)(void);
        wilc_debug_func dPrint;
                cmd.buffer = (u8 *)&data;
                cmd.block_size = g_sdio.block_size; /* johnny : prevent it from setting unexpected value */
 
-               if (!g_sdio.sdio_cmd53(&cmd)) {
+               if (!linux_sdio_cmd53(&cmd)) {
                        g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd53, write reg (%08x)...\n", addr);
                        goto _fail_;
                }
                        if (!sdio_set_func0_csa_address(addr))
                                goto _fail_;
                }
-               if (!g_sdio.sdio_cmd53(&cmd)) {
+               if (!linux_sdio_cmd53(&cmd)) {
                        g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd53 [%x], block send...\n", addr);
                        goto _fail_;
                }
                        if (!sdio_set_func0_csa_address(addr))
                                goto _fail_;
                }
-               if (!g_sdio.sdio_cmd53(&cmd)) {
+               if (!linux_sdio_cmd53(&cmd)) {
                        g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd53 [%x], bytes send...\n", addr);
                        goto _fail_;
                }
 
                cmd.block_size = g_sdio.block_size; /* johnny : prevent it from setting unexpected value */
 
-               if (!g_sdio.sdio_cmd53(&cmd)) {
+               if (!linux_sdio_cmd53(&cmd)) {
                        g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd53, read reg (%08x)...\n", addr);
                        goto _fail_;
                }
                        if (!sdio_set_func0_csa_address(addr))
                                goto _fail_;
                }
-               if (!g_sdio.sdio_cmd53(&cmd)) {
+               if (!linux_sdio_cmd53(&cmd)) {
                        g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd53 [%x], block read...\n", addr);
                        goto _fail_;
                }
                        if (!sdio_set_func0_csa_address(addr))
                                goto _fail_;
                }
-               if (!g_sdio.sdio_cmd53(&cmd)) {
+               if (!linux_sdio_cmd53(&cmd)) {
                        g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd53 [%x], bytes read...\n", addr);
                        goto _fail_;
                }
                return 0;
        }
 
-       g_sdio.sdio_cmd53       = inp->io_func.u.sdio.sdio_cmd53;
        g_sdio.sdio_set_max_speed       = inp->io_func.u.sdio.sdio_set_max_speed;
        g_sdio.sdio_set_default_speed   = inp->io_func.u.sdio.sdio_set_default_speed;