tty: rocket: Explicitly list supported PCI IDs

[karo-tx-linux.git] / drivers / tty / rocket.c

diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c
index e42009a0052902f576196ffd5e427dce0c945733..1d270034bfc33e78a2665f61edfdec6caba8097e 100644 (file)
--- a/drivers/tty/rocket.c
+++ b/drivers/tty/rocket.c
@@ -55,7 +55,7 @@
 #undef REV_PCI_ORDER
 #undef ROCKET_DEBUG_IO
 
-#define POLL_PERIOD HZ/100     /*  Polling period .01 seconds (10ms) */
+#define POLL_PERIOD (HZ/100)   /*  Polling period .01 seconds (10ms) */
 
 /****** Kernel includes ******/
 
@@ -315,9 +315,8 @@ static inline int rocket_paranoia_check(struct r_port *info,
  *  that receive data is present on a serial port.  Pulls data from FIFO, moves it into the 
  *  tty layer.  
  */
-static void rp_do_receive(struct r_port *info,
-                         struct tty_struct *tty,
-                         CHANNEL_t * cp, unsigned int ChanStatus)
+static void rp_do_receive(struct r_port *info, CHANNEL_t *cp,
+               unsigned int ChanStatus)
 {
        unsigned int CharNStat;
        int ToRecv, wRecv, space;
@@ -379,7 +378,8 @@ static void rp_do_receive(struct r_port *info,
                                flag = TTY_OVERRUN;
                        else
                                flag = TTY_NORMAL;
-                       tty_insert_flip_char(tty, CharNStat & 0xff, flag);
+                       tty_insert_flip_char(&info->port, CharNStat & 0xff,
+                                       flag);
                        ToRecv--;
                }
 
@@ -399,7 +399,7 @@ static void rp_do_receive(struct r_port *info,
                 * characters at time by doing repeated word IO
                 * transfer.
                 */
-               space = tty_prepare_flip_string(tty, &cbuf, ToRecv);
+               space = tty_prepare_flip_string(&info->port, &cbuf, ToRecv);
                if (space < ToRecv) {
 #ifdef ROCKET_DEBUG_RECEIVE
                        printk(KERN_INFO "rp_do_receive:insufficient space ToRecv=%d space=%d\n", ToRecv, space);
@@ -415,7 +415,7 @@ static void rp_do_receive(struct r_port *info,
                        cbuf[ToRecv - 1] = sInB(sGetTxRxDataIO(cp));
        }
        /*  Push the data up to the tty layer */
-       tty_flip_buffer_push(tty);
+       tty_flip_buffer_push(&info->port);
 }
 
 /*
@@ -494,7 +494,6 @@ static void rp_do_transmit(struct r_port *info)
 static void rp_handle_port(struct r_port *info)
 {
        CHANNEL_t *cp;
-       struct tty_struct *tty;
        unsigned int IntMask, ChanStatus;
 
        if (!info)
@@ -505,12 +504,7 @@ static void rp_handle_port(struct r_port *info)
                                "info->flags & NOT_INIT\n");
                return;
        }
-       tty = tty_port_tty_get(&info->port);
-       if (!tty) {
-               printk(KERN_WARNING "rp: WARNING: rp_handle_port called with "
-                               "tty==NULL\n");
-               return;
-       }
+
        cp = &info->channel;
 
        IntMask = sGetChanIntID(cp) & info->intmask;
@@ -519,7 +513,7 @@ static void rp_handle_port(struct r_port *info)
 #endif
        ChanStatus = sGetChanStatus(cp);
        if (IntMask & RXF_TRIG) {       /* Rx FIFO trigger level */
-               rp_do_receive(info, tty, cp, ChanStatus);
+               rp_do_receive(info, cp, ChanStatus);
        }
        if (IntMask & DELTA_CD) {       /* CD change  */
 #if (defined(ROCKET_DEBUG_OPEN) || defined(ROCKET_DEBUG_INTR) || defined(ROCKET_DEBUG_HANGUP))
@@ -527,10 +521,15 @@ static void rp_handle_port(struct r_port *info)
                       (ChanStatus & CD_ACT) ? "on" : "off");
 #endif
                if (!(ChanStatus & CD_ACT) && info->cd_status) {
+                       struct tty_struct *tty;
 #ifdef ROCKET_DEBUG_HANGUP
                        printk(KERN_INFO "CD drop, calling hangup.\n");
 #endif
-                       tty_hangup(tty);
+                       tty = tty_port_tty_get(&info->port);
+                       if (tty) {
+                               tty_hangup(tty);
+                               tty_kref_put(tty);
+                       }
                }
                info->cd_status = (ChanStatus & CD_ACT) ? 1 : 0;
                wake_up_interruptible(&info->port.open_wait);
@@ -543,7 +542,6 @@ static void rp_handle_port(struct r_port *info)
                printk(KERN_INFO "DSR change...\n");
        }
 #endif
-       tty_kref_put(tty);
 }
 
 /*
@@ -1758,8 +1756,29 @@ static void rp_flush_buffer(struct tty_struct *tty)
 
 #ifdef CONFIG_PCI
 
-static struct pci_device_id __used rocket_pci_ids[] = {
-       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_ANY_ID) },
+static DEFINE_PCI_DEVICE_TABLE(rocket_pci_ids) = {
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP4QUAD) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP8OCTA) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_URP8OCTA) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP8INTF) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_URP8INTF) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP8J) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP4J) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP8SNI) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP16SNI) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP16INTF) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_URP16INTF) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_CRP16INTF) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP32INTF) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_URP32INTF) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RPP4) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RPP8) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP2_232) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP2_422) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP6M) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP4M) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_UPCI_RM3_8PORT) },
+       { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_UPCI_RM3_4PORT) },
        { }
 };
 MODULE_DEVICE_TABLE(pci, rocket_pci_ids);
@@ -1781,7 +1800,8 @@ static __init int register_PCI(int i, struct pci_dev *dev)
        WordIO_t ConfigIO = 0;
        ByteIO_t UPCIRingInd = 0;
 
-       if (!dev || pci_enable_device(dev))
+       if (!dev || !pci_match_id(rocket_pci_ids, dev) ||
+           pci_enable_device(dev))
                return 0;
 
        rcktpt_io_addr[i] = pci_resource_start(dev, 0);