struct cyclades_card *cinfo;
        struct cyclades_port *info;
        struct tty_struct *tty;
-       static struct FIRM_ID *firm_id;
-       static struct ZFW_CTRL *zfw_ctrl;
-       static struct BOARD_CTRL *board_ctrl;
-       static struct CH_CTRL *ch_ctrl;
-       static struct BUF_CTRL *buf_ctrl;
+       struct FIRM_ID __iomem *firm_id;
+       struct ZFW_CTRL __iomem *zfw_ctrl;
+       struct BOARD_CTRL __iomem *board_ctrl;
+       struct CH_CTRL __iomem *ch_ctrl;
+       struct BUF_CTRL __iomem *buf_ctrl;
        unsigned long expires = jiffies + HZ;
        int card, port;
 
                struct ZFW_CTRL __iomem *zfw_ctrl;
                struct BOARD_CTRL __iomem *board_ctrl;
                struct CH_CTRL __iomem *ch_ctrl;
-               int retval;
 
                base_addr = card->base_addr;
 
                struct ZFW_CTRL __iomem *zfw_ctrl;
                struct BOARD_CTRL __iomem *board_ctrl;
                struct CH_CTRL __iomem *ch_ctrl;
-               int retval;
 
                base_addr = cinfo->base_addr;
                firm_id = base_addr + ID_ADDRESS;
        struct FIRM_ID __iomem *fid = base_addr + ID_ADDRESS;
        struct CUSTOM_REG __iomem *cust = base_addr;
        struct ZFW_CTRL __iomem *pt_zfwctrl;
-       u8 *tmp;
+       void __iomem *tmp;
        u32 mailbox, status;
        unsigned int i;
        int retval;
        udelay(100);
 
        /* clear memory */
-       for (tmp = base_addr; (void *)tmp < base_addr + RAM_SIZE; tmp++)
+       for (tmp = base_addr; tmp < base_addr + RAM_SIZE; tmp++)
                cy_writeb(tmp, 255);
        if (mailbox != 0) {
                /* set window to last 512K of RAM */
                cy_writel(&ctl_addr->loc_addr_base, WIN_RAM + RAM_SIZE);
                //sleep(1);
-               for (tmp = base_addr; (void *)tmp < base_addr + RAM_SIZE; tmp++)
+               for (tmp = base_addr; tmp < base_addr + RAM_SIZE; tmp++)
                        cy_writeb(tmp, 255);
                /* set window to beginning of RAM */
                cy_writel(&ctl_addr->loc_addr_base, WIN_RAM);