VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)

[linux-2.6.git] / arch / ppc / 8xx_io / uart.c

diff --git a/arch/ppc/8xx_io/uart.c b/arch/ppc/8xx_io/uart.c
index d0701bd..171e5e9 100644 (file)
--- a/arch/ppc/8xx_io/uart.c
+++ b/arch/ppc/8xx_io/uart.c
@@ -583,9 +583,7 @@ static _INLINE_ void check_modem_status(struct async_struct *info)
 #ifdef SERIAL_DEBUG_OPEN
                        printk("scheduling hangup...");
 #endif
-                       MOD_INC_USE_COUNT;
-                       if (schedule_task(&info->tqueue_hangup) == 0)
-                               MOD_DEC_USE_COUNT;
+                       schedule_task(&info->tqueue_hangup);
                }
        }
        if (info->flags & ASYNC_CTS_FLOW) {
@@ -719,7 +717,6 @@ static void do_serial_hangup(void *private_)
        tty = info->tty;
        if (tty)
                tty_hangup(tty);
-       MOD_DEC_USE_COUNT;
 }
 
 /*static void rs_8xx_timer(void)
@@ -1664,7 +1661,6 @@ static void rs_8xx_close(struct tty_struct *tty, struct file * filp)
 
        if (tty_hung_up_p(filp)) {
                DBG_CNT("before DEC-hung");
-               MOD_DEC_USE_COUNT;
                restore_flags(flags);
                return;
        }
@@ -1691,7 +1687,6 @@ static void rs_8xx_close(struct tty_struct *tty, struct file * filp)
        }
        if (state->count) {
                DBG_CNT("before DEC-2");
-               MOD_DEC_USE_COUNT;
                restore_flags(flags);
                return;
        }
@@ -1746,7 +1741,6 @@ static void rs_8xx_close(struct tty_struct *tty, struct file * filp)
        }
        info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
        wake_up_interruptible(&info->close_wait);
-       MOD_DEC_USE_COUNT;
        restore_flags(flags);
 }
 
@@ -2008,14 +2002,12 @@ static int rs_8xx_open(struct tty_struct *tty, struct file * filp)
        if (retval)
                return retval;
 
-       MOD_INC_USE_COUNT;
        retval = block_til_ready(tty, filp, info);
        if (retval) {
 #ifdef SERIAL_DEBUG_OPEN
                printk("rs_open returning after block_til_ready with %d\n",
                       retval);
 #endif
-               MOD_DEC_USE_COUNT;
                return retval;
        }
 
@@ -2499,7 +2491,7 @@ static int __init rs_8xx_init(void)
 {
        struct serial_state * state;
        ser_info_t      *info;
-       uint            mem_addr, dp_addr, iobits;
+       uint            mem_addr, iobits, dp_offset;
        int             i, j, idx;
        ushort          chan;
        volatile        cbd_t           *bdp;
@@ -2520,6 +2512,7 @@ static int __init rs_8xx_init(void)
 
        /* Initialize the tty_driver structure */
 
+       serial_driver->owner = THIS_MODULE;
        serial_driver->driver_name = "serial";
        serial_driver->devfs_name = "tts/";
        serial_driver->name = "ttyS";
@@ -2630,7 +2623,7 @@ static int __init rs_8xx_init(void)
                         * descriptors from dual port ram, and a character
                         * buffer area from host mem.
                         */
-                       dp_addr = m8xx_cpm_dpalloc(sizeof(cbd_t) * RX_NUM_FIFO);
+                       dp_offset = cpm_dpalloc(sizeof(cbd_t) * RX_NUM_FIFO, 8);
 
                        /* Allocate space for FIFOs in the host memory.
                        */
@@ -2641,7 +2634,7 @@ static int __init rs_8xx_init(void)
                         * buffers in the buffer descriptors, and the
                         * virtual address for us to work with.
                         */
-                       bdp = (cbd_t *)&cp->cp_dpmem[dp_addr];
+                       bdp = (cbd_t *)&cp->cp_dpmem[dp_offset];
                        info->rx_cur = info->rx_bd_base = (cbd_t *)bdp;
 
                        for (j=0; j<(RX_NUM_FIFO-1); j++) {
@@ -2657,15 +2650,15 @@ static int __init rs_8xx_init(void)
                        if (info->state->smc_scc_num & NUM_IS_SCC) {
                                scp = &cp->cp_scc[idx];
                                sup = (scc_uart_t *)&cp->cp_dparam[state->port];
-                               sup->scc_genscc.scc_rbase = dp_addr;
+                               sup->scc_genscc.scc_rbase = dp_offset;
                        }
                        else {
                                sp = &cp->cp_smc[idx];
                                up = (smc_uart_t *)&cp->cp_dparam[state->port];
-                               up->smc_rbase = dp_addr;
+                               up->smc_rbase = dp_offset;
                        }
 
-                       dp_addr = m8xx_cpm_dpalloc(sizeof(cbd_t) * TX_NUM_FIFO);
+                       dp_offset = cpm_dpalloc(sizeof(cbd_t) * TX_NUM_FIFO, 8);
 
                        /* Allocate space for FIFOs in the host memory.
                        */
@@ -2676,7 +2669,7 @@ static int __init rs_8xx_init(void)
                         * buffers in the buffer descriptors, and the
                         * virtual address for us to work with.
                         */
-                       bdp = (cbd_t *)&cp->cp_dpmem[dp_addr];
+                       bdp = (cbd_t *)&cp->cp_dpmem[dp_offset];
                        info->tx_cur = info->tx_bd_base = (cbd_t *)bdp;
 
                        for (j=0; j<(TX_NUM_FIFO-1); j++) {
@@ -2689,7 +2682,7 @@ static int __init rs_8xx_init(void)
                        bdp->cbd_sc = (BD_SC_WRAP | BD_SC_INTRPT);
 
                        if (info->state->smc_scc_num & NUM_IS_SCC) {
-                               sup->scc_genscc.scc_tbase = dp_addr;
+                               sup->scc_genscc.scc_tbase = dp_offset;
 
                                /* Set up the uart parameters in the
                                 * parameter ram.
@@ -2786,7 +2779,7 @@ static int __init rs_8xx_init(void)
                                cp->cp_simode &= ~(0xffff << (idx * 16));
                                cp->cp_simode |= (i << ((idx * 16) + 12));
 
-                               up->smc_tbase = dp_addr;
+                               up->smc_tbase = dp_offset;
 
                                /* Set up the uart parameters in the
                                 * parameter ram.
@@ -2850,7 +2843,7 @@ module_init(rs_8xx_init);
 static int __init serial_console_setup(struct console *co, char *options)
 {
        struct          serial_state *ser;
-       uint            mem_addr, dp_addr, bidx, idx;
+       uint            mem_addr, bidx, idx, dp_offset;
        ushort          chan;
        volatile        cbd_t           *bdp;
        volatile        cpm8xx_t        *cp;
@@ -2896,17 +2889,17 @@ static int __init serial_console_setup(struct console *co, char *options)
         * memory yet because vm allocator isn't initialized
         * during this early console init.
         */
-       dp_addr = m8xx_cpm_dpalloc(8);
-       mem_addr = (uint)(&cpmp->cp_dpmem[dp_addr]);
+       dp_offset = cpm_dpalloc(8, 8);
+       mem_addr = (uint)(&cpmp->cp_dpmem[dp_offset]);
 
        /* Allocate space for two buffer descriptors in the DP ram.
        */
-       dp_addr = m8xx_cpm_dpalloc(sizeof(cbd_t) * 2);
+       dp_offset = cpm_dpalloc(sizeof(cbd_t) * 2, 8);
 
        /* Set the physical address of the host memory buffers in
         * the buffer descriptors.
         */
-       bdp = (cbd_t *)&cp->cp_dpmem[dp_addr];
+       bdp = (cbd_t *)&cp->cp_dpmem[dp_offset];
        bdp->cbd_bufaddr = iopa(mem_addr);
        (bdp+1)->cbd_bufaddr = iopa(mem_addr+4);
 
@@ -2925,8 +2918,8 @@ static int __init serial_console_setup(struct console *co, char *options)
        */
        if (ser->smc_scc_num & NUM_IS_SCC) {
 
-               sup->scc_genscc.scc_rbase = dp_addr;
-               sup->scc_genscc.scc_tbase = dp_addr + sizeof(cbd_t);
+               sup->scc_genscc.scc_rbase = dp_offset;
+               sup->scc_genscc.scc_tbase = dp_offset + sizeof(cbd_t);
 
                /* Set up the uart parameters in the
                 * parameter ram.
@@ -2984,8 +2977,8 @@ static int __init serial_console_setup(struct console *co, char *options)
 
        }
        else {
-               up->smc_rbase = dp_addr;        /* Base of receive buffer desc. */
-               up->smc_tbase = dp_addr+sizeof(cbd_t);  /* Base of xmt buffer desc. */
+               up->smc_rbase = dp_offset;      /* Base of receive buffer desc. */
+               up->smc_tbase = dp_offset+sizeof(cbd_t);        /* Base of xmt buffer desc. */
                up->smc_rfcr = SMC_EB;
                up->smc_tfcr = SMC_EB;