Parameter buffer in write_to_device function is declared as
a pointer to unsigned char and can be declared as an u8 type
which is preferred. Internally it calls to ks7010_sdio_write
which is using also u8 as parameter type. Update calls to this
function as well.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 }
 
 /* write data */
-static int write_to_device(struct ks_wlan_private *priv, unsigned char *buffer,
+static int write_to_device(struct ks_wlan_private *priv, u8 *buffer,
                           unsigned long size)
 {
        struct hostif_hdr *hdr;
        pp->header.event = cpu_to_le16((uint16_t)HIF_STOP_REQ);
 
        sdio_claim_host(func);
-       write_to_device(card->priv, (unsigned char *)pp,
-                       hif_align_size(sizeof(*pp)));
+       write_to_device(card->priv, (u8 *)pp, hif_align_size(sizeof(*pp)));
        sdio_release_host(func);
 
        kfree(pp);