TTY: rocket, remove unused variables

drivers/tty/rocket.c:1393:2: warning: Value stored to 'cp' is never read
        cp = &info->channel;
        ^    ~~~~~~~~~~~~~~
drivers/tty/rocket.c:1412:2: warning: Value stored to 'cp' is never read
        cp = &info->channel;
        ^    ~~~~~~~~~~~~~~
drivers/tty/rocket.c:1730:2: warning: Value stored to 'cp' is never read
        cp = &info->channel;
        ^    ~~~~~~~~~~~~~~
drivers/tty/rocket.c:1825:3: warning: Value stored to 'str' is never read
                str = "8";
                ^     ~~~
[many 'str' warnings stripped]
drivers/tty/rocket.c:2037:3: warning: Value stored to 'board_type' is never read
                board_type = "RocketModem";
                ^            ~~~~~~~~~~~~~
[some 'board_type' warnings stripped]

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c
index 036feeb..13043e8 100644 (file)
--- a/drivers/tty/rocket.c
+++ b/drivers/tty/rocket.c
@@ -1380,7 +1380,6 @@ static void rp_send_xchar(struct tty_struct *tty, char ch)
 static void rp_throttle(struct tty_struct *tty)
 {
        struct r_port *info = tty->driver_data;
-       CHANNEL_t *cp;
 
 #ifdef ROCKET_DEBUG_THROTTLE
        printk(KERN_INFO "throttle %s: %d....\n", tty->name,
@@ -1390,7 +1389,6 @@ static void rp_throttle(struct tty_struct *tty)
        if (rocket_paranoia_check(info, "rp_throttle"))
                return;
 
-       cp = &info->channel;
        if (I_IXOFF(tty))
                rp_send_xchar(tty, STOP_CHAR(tty));
 
@@ -1400,7 +1398,6 @@ static void rp_throttle(struct tty_struct *tty)
 static void rp_unthrottle(struct tty_struct *tty)
 {
        struct r_port *info = tty->driver_data;
-       CHANNEL_t *cp;
 #ifdef ROCKET_DEBUG_THROTTLE
        printk(KERN_INFO "unthrottle %s: %d....\n", tty->name,
               tty->ldisc.chars_in_buffer(tty));
@@ -1409,7 +1406,6 @@ static void rp_unthrottle(struct tty_struct *tty)
        if (rocket_paranoia_check(info, "rp_throttle"))
                return;
 
-       cp = &info->channel;
        if (I_IXOFF(tty))
                rp_send_xchar(tty, START_CHAR(tty));
 
@@ -1722,13 +1718,10 @@ static int rp_write_room(struct tty_struct *tty)
 static int rp_chars_in_buffer(struct tty_struct *tty)
 {
        struct r_port *info = tty->driver_data;
-       CHANNEL_t *cp;
 
        if (rocket_paranoia_check(info, "rp_chars_in_buffer"))
                return 0;
 
-       cp = &info->channel;
-
 #ifdef ROCKET_DEBUG_WRITE
        printk(KERN_INFO "rp_chars_in_buffer returns %d...\n", info->xmit_cnt);
 #endif
@@ -1779,7 +1772,6 @@ static __init int register_PCI(int i, struct pci_dev *dev)
 {
        int num_aiops, aiop, max_num_aiops, num_chan, chan;
        unsigned int aiopio[MAX_AIOPS_PER_BOARD];
-       char *str, *board_type;
        CONTROLLER_t *ctlp;
 
        int fast_clock = 0;
@@ -1800,7 +1792,6 @@ static __init int register_PCI(int i, struct pci_dev *dev)
        /*  Depending on the model, set up some config variables */
        switch (dev->device) {
        case PCI_DEVICE_ID_RP4QUAD:
-               str = "Quadcable";
                max_num_aiops = 1;
                ports_per_aiop = 4;
                rocketModel[i].model = MODEL_RP4QUAD;
@@ -1808,42 +1799,36 @@ static __init int register_PCI(int i, struct pci_dev *dev)
                rocketModel[i].numPorts = 4;
                break;
        case PCI_DEVICE_ID_RP8OCTA:
-               str = "Octacable";
                max_num_aiops = 1;
                rocketModel[i].model = MODEL_RP8OCTA;
                strcpy(rocketModel[i].modelString, "RocketPort 8 port w/octa cable");
                rocketModel[i].numPorts = 8;
                break;
        case PCI_DEVICE_ID_URP8OCTA:
-               str = "Octacable";
                max_num_aiops = 1;
                rocketModel[i].model = MODEL_UPCI_RP8OCTA;
                strcpy(rocketModel[i].modelString, "RocketPort UPCI 8 port w/octa cable");
                rocketModel[i].numPorts = 8;
                break;
        case PCI_DEVICE_ID_RP8INTF:
-               str = "8";
                max_num_aiops = 1;
                rocketModel[i].model = MODEL_RP8INTF;
                strcpy(rocketModel[i].modelString, "RocketPort 8 port w/external I/F");
                rocketModel[i].numPorts = 8;
                break;
        case PCI_DEVICE_ID_URP8INTF:
-               str = "8";
                max_num_aiops = 1;
                rocketModel[i].model = MODEL_UPCI_RP8INTF;
                strcpy(rocketModel[i].modelString, "RocketPort UPCI 8 port w/external I/F");
                rocketModel[i].numPorts = 8;
                break;
        case PCI_DEVICE_ID_RP8J:
-               str = "8J";
                max_num_aiops = 1;
                rocketModel[i].model = MODEL_RP8J;
                strcpy(rocketModel[i].modelString, "RocketPort 8 port w/RJ11 connectors");
                rocketModel[i].numPorts = 8;
                break;
        case PCI_DEVICE_ID_RP4J:
-               str = "4J";
                max_num_aiops = 1;
                ports_per_aiop = 4;
                rocketModel[i].model = MODEL_RP4J;
@@ -1851,56 +1836,48 @@ static __init int register_PCI(int i, struct pci_dev *dev)
                rocketModel[i].numPorts = 4;
                break;
        case PCI_DEVICE_ID_RP8SNI:
-               str = "8 (DB78 Custom)";
                max_num_aiops = 1;
                rocketModel[i].model = MODEL_RP8SNI;
                strcpy(rocketModel[i].modelString, "RocketPort 8 port w/ custom DB78");
                rocketModel[i].numPorts = 8;
                break;
        case PCI_DEVICE_ID_RP16SNI:
-               str = "16 (DB78 Custom)";
                max_num_aiops = 2;
                rocketModel[i].model = MODEL_RP16SNI;
                strcpy(rocketModel[i].modelString, "RocketPort 16 port w/ custom DB78");
                rocketModel[i].numPorts = 16;
                break;
        case PCI_DEVICE_ID_RP16INTF:
-               str = "16";
                max_num_aiops = 2;
                rocketModel[i].model = MODEL_RP16INTF;
                strcpy(rocketModel[i].modelString, "RocketPort 16 port w/external I/F");
                rocketModel[i].numPorts = 16;
                break;
        case PCI_DEVICE_ID_URP16INTF:
-               str = "16";
                max_num_aiops = 2;
                rocketModel[i].model = MODEL_UPCI_RP16INTF;
                strcpy(rocketModel[i].modelString, "RocketPort UPCI 16 port w/external I/F");
                rocketModel[i].numPorts = 16;
                break;
        case PCI_DEVICE_ID_CRP16INTF:
-               str = "16";
                max_num_aiops = 2;
                rocketModel[i].model = MODEL_CPCI_RP16INTF;
                strcpy(rocketModel[i].modelString, "RocketPort Compact PCI 16 port w/external I/F");
                rocketModel[i].numPorts = 16;
                break;
        case PCI_DEVICE_ID_RP32INTF:
-               str = "32";
                max_num_aiops = 4;
                rocketModel[i].model = MODEL_RP32INTF;
                strcpy(rocketModel[i].modelString, "RocketPort 32 port w/external I/F");
                rocketModel[i].numPorts = 32;
                break;
        case PCI_DEVICE_ID_URP32INTF:
-               str = "32";
                max_num_aiops = 4;
                rocketModel[i].model = MODEL_UPCI_RP32INTF;
                strcpy(rocketModel[i].modelString, "RocketPort UPCI 32 port w/external I/F");
                rocketModel[i].numPorts = 32;
                break;
        case PCI_DEVICE_ID_RPP4:
-               str = "Plus Quadcable";
                max_num_aiops = 1;
                ports_per_aiop = 4;
                altChanRingIndicator++;
@@ -1910,7 +1887,6 @@ static __init int register_PCI(int i, struct pci_dev *dev)
                rocketModel[i].numPorts = 4;
                break;
        case PCI_DEVICE_ID_RPP8:
-               str = "Plus Octacable";
                max_num_aiops = 2;
                ports_per_aiop = 4;
                altChanRingIndicator++;
@@ -1920,7 +1896,6 @@ static __init int register_PCI(int i, struct pci_dev *dev)
                rocketModel[i].numPorts = 8;
                break;
        case PCI_DEVICE_ID_RP2_232:
-               str = "Plus 2 (RS-232)";
                max_num_aiops = 1;
                ports_per_aiop = 2;
                altChanRingIndicator++;
@@ -1930,7 +1905,6 @@ static __init int register_PCI(int i, struct pci_dev *dev)
                rocketModel[i].numPorts = 2;
                break;
        case PCI_DEVICE_ID_RP2_422:
-               str = "Plus 2 (RS-422)";
                max_num_aiops = 1;
                ports_per_aiop = 2;
                altChanRingIndicator++;
@@ -1943,7 +1917,6 @@ static __init int register_PCI(int i, struct pci_dev *dev)
 
                max_num_aiops = 1;
                ports_per_aiop = 6;
-               str = "6-port";
 
                /*  If revision is 1, the rocketmodem flash must be loaded.
                 *  If it is 2 it is a "socketed" version. */
@@ -1961,7 +1934,6 @@ static __init int register_PCI(int i, struct pci_dev *dev)
        case PCI_DEVICE_ID_RP4M:
                max_num_aiops = 1;
                ports_per_aiop = 4;
-               str = "4-port";
                if (dev->revision == 1) {
                        rcktpt_type[i] = ROCKET_TYPE_MODEMII;
                        rocketModel[i].loadrm2 = 1;
@@ -1974,7 +1946,6 @@ static __init int register_PCI(int i, struct pci_dev *dev)
                rocketModel[i].numPorts = 4;
                break;
        default:
-               str = "(unknown/unsupported)";
                max_num_aiops = 0;
                break;
        }
@@ -2000,14 +1971,12 @@ static __init int register_PCI(int i, struct pci_dev *dev)
                        if (!
                            (sInW(ConfigIO + _PCI_9030_GPIO_CTRL) &
                             PCI_GPIO_CTRL_8PORT)) {
-                               str = "Quadcable";
                                ports_per_aiop = 4;
                                rocketModel[i].numPorts = 4;
                        }
                }
                break;
        case PCI_DEVICE_ID_UPCI_RM3_8PORT:
-               str = "8 ports";
                max_num_aiops = 1;
                rocketModel[i].model = MODEL_UPCI_RM3_8PORT;
                strcpy(rocketModel[i].modelString, "RocketModem III 8 port");
@@ -2018,7 +1987,6 @@ static __init int register_PCI(int i, struct pci_dev *dev)
                rcktpt_type[i] = ROCKET_TYPE_MODEMIII;
                break;
        case PCI_DEVICE_ID_UPCI_RM3_4PORT:
-               str = "4 ports";
                max_num_aiops = 1;
                rocketModel[i].model = MODEL_UPCI_RM3_4PORT;
                strcpy(rocketModel[i].modelString, "RocketModem III 4 port");
@@ -2032,21 +2000,6 @@ static __init int register_PCI(int i, struct pci_dev *dev)
                break;
        }
 
-       switch (rcktpt_type[i]) {
-       case ROCKET_TYPE_MODEM:
-               board_type = "RocketModem";
-               break;
-       case ROCKET_TYPE_MODEMII:
-               board_type = "RocketModem II";
-               break;
-       case ROCKET_TYPE_MODEMIII:
-               board_type = "RocketModem III";
-               break;
-       default:
-               board_type = "RocketPort";
-               break;
-       }
-
        if (fast_clock) {
                sClockPrescale = 0x12;  /* mod 2 (divide by 3) */
                rp_baud_base[i] = 921600;