openwrt/package/linux/kernel-patches/019-drivers_char_serial_c

   1 --- linux-mips-cvs/drivers/char/serial.c        2004-12-27 05:13:43.000000000 +0100
   2 +++ linux-broadcom/drivers/char/serial.c        2005-01-31 13:13:14.000000000 +0100
   3 @@ -444,6 +444,10 @@
   4                 return inb(info->port+1);
   5  #endif
   6         case SERIAL_IO_MEM:
   7 +#ifdef CONFIG_BCM4310
   8 +               readb((unsigned long) info->iomem_base +
   9 +                               (UART_SCR<<info->iomem_reg_shift));
  10 +#endif
  11                 return readb((unsigned long) info->iomem_base +
  12                              (offset<<info->iomem_reg_shift));
  13         default:
  14 @@ -464,6 +468,9 @@
  15         case SERIAL_IO_MEM:
  16                 writeb(value, (unsigned long) info->iomem_base +
  17                               (offset<<info->iomem_reg_shift));
  18 +#ifdef CONFIG_BCM4704
  19 +               *((volatile unsigned int *) KSEG1ADDR(0x18000000));
  20 +#endif
  21                 break;
  22         default:
  23                 outb(value, info->port+offset);
  24 @@ -5996,6 +6003,13 @@
  25          *      Divisor, bytesize and parity
  26          */
  27         state = rs_table + co->index;
  28 +       /*
  29 +        * Safe guard: state structure must have been initialized
  30 +        */
  31 +       if (state->iomem_base == NULL) {
  32 +               printk("!unable to setup serial console!\n");
  33 +               return -1;
  34 +       }
  35         if (doflow)
  36                 state->flags |= ASYNC_CONS_FLOW;
  37         info = &async_sercons;