diff options
Diffstat (limited to 'drivers/tty/hvc/hvsi_lib.c')
| -rw-r--r-- | drivers/tty/hvc/hvsi_lib.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/tty/hvc/hvsi_lib.c b/drivers/tty/hvc/hvsi_lib.c index 09289c8154ae..22e1bc4d8a66 100644 --- a/drivers/tty/hvc/hvsi_lib.c +++ b/drivers/tty/hvc/hvsi_lib.c @@ -12,7 +12,7 @@ static int hvsi_send_packet(struct hvsi_priv *pv, struct hvsi_header *packet) packet->seqno = cpu_to_be16(atomic_inc_return(&pv->seqno)); /* Assumes that always succeeds, works in practice */ - return pv->put_chars(pv->termno, (char *)packet, packet->len); + return pv->put_chars(pv->termno, (u8 *)packet, packet->len); } static void hvsi_start_handshake(struct hvsi_priv *pv) @@ -178,9 +178,10 @@ static int hvsi_get_packet(struct hvsi_priv *pv) return 0; } -int hvsilib_get_chars(struct hvsi_priv *pv, char *buf, int count) +ssize_t hvsilib_get_chars(struct hvsi_priv *pv, u8 *buf, size_t count) { - unsigned int tries, read = 0; + unsigned int tries; + size_t read = 0; if (WARN_ON(!pv)) return -ENXIO; @@ -199,7 +200,7 @@ int hvsilib_get_chars(struct hvsi_priv *pv, char *buf, int count) for (tries = 1; count && tries < 2; tries++) { /* Consume existing data packet */ if (pv->inbuf_pktlen) { - unsigned int l = min(count, (int)pv->inbuf_pktlen); + size_t l = min(count, pv->inbuf_pktlen); memcpy(&buf[read], &pv->inbuf[pv->inbuf_cur], l); pv->inbuf_cur += l; pv->inbuf_pktlen -= l; @@ -228,10 +229,11 @@ int hvsilib_get_chars(struct hvsi_priv *pv, char *buf, int count) return read; } -int hvsilib_put_chars(struct hvsi_priv *pv, const char *buf, int count) +ssize_t hvsilib_put_chars(struct hvsi_priv *pv, const u8 *buf, size_t count) { struct hvsi_data dp; - int rc, adjcount = min(count, HVSI_MAX_OUTGOING_DATA); + size_t adjcount = min_t(size_t, count, HVSI_MAX_OUTGOING_DATA); + int rc; if (WARN_ON(!pv)) return -ENODEV; @@ -411,9 +413,9 @@ void hvsilib_close(struct hvsi_priv *pv, struct hvc_struct *hp) } void hvsilib_init(struct hvsi_priv *pv, - int (*get_chars)(uint32_t termno, char *buf, int count), - int (*put_chars)(uint32_t termno, const char *buf, - int count), + ssize_t (*get_chars)(uint32_t termno, u8 *buf, size_t count), + ssize_t (*put_chars)(uint32_t termno, const u8 *buf, + size_t count), int termno, int is_console) { memset(pv, 0, sizeof(*pv)); |