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@@ -0,0 +1,265 @@
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+Index: linux-2.6.28.9/drivers/serial/crisv10.c
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+===================================================================
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+--- linux-2.6.28.9.orig/drivers/serial/crisv10.c 2009-04-10 12:58:18.000000000 +0200
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++++ linux-2.6.28.9/drivers/serial/crisv10.c 2009-04-10 12:58:22.000000000 +0200
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+@@ -28,12 +28,15 @@
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+ #include <linux/mutex.h>
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+ #include <linux/bitops.h>
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+ #include <linux/device.h>
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++#include <linux/seq_file.h>
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++#include <linux/delay.h>
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++#include <linux/module.h>
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++#include <linux/uaccess.h>
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++#include <linux/io.h>
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+
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+-#include <asm/io.h>
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+ #include <asm/irq.h>
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+ #include <asm/dma.h>
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+ #include <asm/system.h>
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+-#include <linux/delay.h>
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+
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+ #include <arch/svinto.h>
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+
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+@@ -457,7 +460,6 @@
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+
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+ #define NR_PORTS (sizeof(rs_table)/sizeof(struct e100_serial))
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+
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+-static struct ktermios *serial_termios[NR_PORTS];
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+ #ifdef CONFIG_ETRAX_SERIAL_FAST_TIMER
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+ static struct fast_timer fast_timers[NR_PORTS];
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+ #endif
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+@@ -4221,151 +4223,132 @@
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+ return 0;
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+ }
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+
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++#ifdef CONFIG_PROC_FS
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+ /*
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+ * /proc fs routines....
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+ */
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+
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+-static int line_info(char *buf, struct e100_serial *info)
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++static void seq_line_info(struct seq_file *m, struct e100_serial *info)
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+ {
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+- char stat_buf[30];
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+- int ret;
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+ unsigned long tmp;
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+
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+- ret = sprintf(buf, "%d: uart:E100 port:%lX irq:%d",
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+- info->line, (unsigned long)info->ioport, info->irq);
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++ seq_printf(m, "%d: uart:E100 port:%lX irq:%d",
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++ info->line, (unsigned long)info->ioport, info->irq);
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+
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+ if (!info->ioport || (info->type == PORT_UNKNOWN)) {
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+- ret += sprintf(buf+ret, "\n");
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+- return ret;
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++ seq_printf(m, "\n");
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++ return;
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+ }
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+
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+- stat_buf[0] = 0;
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+- stat_buf[1] = 0;
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+- if (!E100_RTS_GET(info))
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+- strcat(stat_buf, "|RTS");
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+- if (!E100_CTS_GET(info))
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+- strcat(stat_buf, "|CTS");
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+- if (!E100_DTR_GET(info))
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+- strcat(stat_buf, "|DTR");
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+- if (!E100_DSR_GET(info))
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+- strcat(stat_buf, "|DSR");
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+- if (!E100_CD_GET(info))
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+- strcat(stat_buf, "|CD");
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+- if (!E100_RI_GET(info))
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+- strcat(stat_buf, "|RI");
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+-
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+- ret += sprintf(buf+ret, " baud:%d", info->baud);
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+-
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+- ret += sprintf(buf+ret, " tx:%lu rx:%lu",
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++ seq_printf(m, " baud:%d", info->baud);
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++ seq_printf(m, " tx:%lu rx:%lu",
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+ (unsigned long)info->icount.tx,
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+ (unsigned long)info->icount.rx);
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+ tmp = CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
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+- if (tmp) {
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+- ret += sprintf(buf+ret, " tx_pend:%lu/%lu",
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+- (unsigned long)tmp,
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+- (unsigned long)SERIAL_XMIT_SIZE);
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+- }
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+-
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+- ret += sprintf(buf+ret, " rx_pend:%lu/%lu",
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+- (unsigned long)info->recv_cnt,
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+- (unsigned long)info->max_recv_cnt);
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++ if (tmp)
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++ seq_printf(m, " tx_pend:%lu/%lu",
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++ (unsigned long)tmp,
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++ (unsigned long)SERIAL_XMIT_SIZE);
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++
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++ seq_printf(m, " rx_pend:%lu/%lu",
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++ (unsigned long)info->recv_cnt,
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++ (unsigned long)info->max_recv_cnt);
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+
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+ #if 1
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+ if (info->port.tty) {
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+-
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+ if (info->port.tty->stopped)
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+- ret += sprintf(buf+ret, " stopped:%i",
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+- (int)info->port.tty->stopped);
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++ seq_printf(m, " stopped:%i",
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++ (int)info->port.tty->stopped);
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+ if (info->port.tty->hw_stopped)
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+- ret += sprintf(buf+ret, " hw_stopped:%i",
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+- (int)info->port.tty->hw_stopped);
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++ seq_printf(m, " hw_stopped:%i",
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++ (int)info->port.tty->hw_stopped);
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+ }
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+
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+ {
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+ unsigned char rstat = info->ioport[REG_STATUS];
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+- if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) )
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+- ret += sprintf(buf+ret, " xoff_detect:1");
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++ if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect))
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++ seq_printf(m, " xoff_detect:1");
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+ }
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+
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+ #endif
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+
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+-
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+-
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+-
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+ if (info->icount.frame)
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+- ret += sprintf(buf+ret, " fe:%lu",
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+- (unsigned long)info->icount.frame);
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++ seq_printf(m, " fe:%lu", (unsigned long)info->icount.frame);
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+
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+ if (info->icount.parity)
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+- ret += sprintf(buf+ret, " pe:%lu",
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+- (unsigned long)info->icount.parity);
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++ seq_printf(m, " pe:%lu", (unsigned long)info->icount.parity);
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+
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+ if (info->icount.brk)
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+- ret += sprintf(buf+ret, " brk:%lu",
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+- (unsigned long)info->icount.brk);
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++ seq_printf(m, " brk:%lu", (unsigned long)info->icount.brk);
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+
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+ if (info->icount.overrun)
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+- ret += sprintf(buf+ret, " oe:%lu",
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+- (unsigned long)info->icount.overrun);
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++ seq_printf(m, " oe:%lu", (unsigned long)info->icount.overrun);
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+
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+ /*
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+ * Last thing is the RS-232 status lines
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+ */
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+- ret += sprintf(buf+ret, " %s\n", stat_buf+1);
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+- return ret;
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++ if (!E100_RTS_GET(info))
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++ seq_puts(m, "|RTS");
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++ if (!E100_CTS_GET(info))
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++ seq_puts(m, "|CTS");
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++ if (!E100_DTR_GET(info))
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++ seq_puts(m, "|DTR");
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++ if (!E100_DSR_GET(info))
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++ seq_puts(m, "|DSR");
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++ if (!E100_CD_GET(info))
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++ seq_puts(m, "|CD");
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++ if (!E100_RI_GET(info))
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++ seq_puts(m, "|RI");
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++ seq_puts(m, "\n");
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+ }
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+
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+-int rs_read_proc(char *page, char **start, off_t off, int count,
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+- int *eof, void *data)
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++
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++static int crisv10_proc_show(struct seq_file *m, void *v)
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+ {
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+- int i, len = 0, l;
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+- off_t begin = 0;
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++ int i;
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++
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++ seq_printf(m, "serinfo:1.0 driver:%s\n", serial_version);
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+
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+- len += sprintf(page, "serinfo:1.0 driver:%s\n",
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+- serial_version);
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+- for (i = 0; i < NR_PORTS && len < 4000; i++) {
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++ for (i = 0; i < NR_PORTS; i++) {
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+ if (!rs_table[i].enabled)
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+ continue;
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+- l = line_info(page + len, &rs_table[i]);
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+- len += l;
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+- if (len+begin > off+count)
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+- goto done;
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+- if (len+begin < off) {
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+- begin += len;
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+- len = 0;
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+- }
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++ seq_line_info(m, &rs_table[i]);
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+ }
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+ #ifdef DEBUG_LOG_INCLUDED
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+ for (i = 0; i < debug_log_pos; i++) {
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+- len += sprintf(page + len, "%-4i %lu.%lu ", i, debug_log[i].time, timer_data_to_ns(debug_log[i].timer_data));
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+- len += sprintf(page + len, debug_log[i].string, debug_log[i].value);
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+- if (len+begin > off+count)
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+- goto done;
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+- if (len+begin < off) {
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+- begin += len;
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+- len = 0;
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+- }
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++ seq_printf(m, "%-4i %lu.%lu ",
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++ i, debug_log[i].time,
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++ timer_data_to_ns(debug_log[i].timer_data));
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++ seq_printf(m, debug_log[i].string, debug_log[i].value);
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+ }
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+- len += sprintf(page + len, "debug_log %i/%i %li bytes\n",
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+- i, DEBUG_LOG_SIZE, begin+len);
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++ seq_printf(m, "debug_log %i/%i\n", i, DEBUG_LOG_SIZE);
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+ debug_log_pos = 0;
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+ #endif
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++ return 0;
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++}
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+
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+- *eof = 1;
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+-done:
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+- if (off >= len+begin)
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+- return 0;
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+- *start = page + (off-begin);
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+- return ((count < begin+len-off) ? count : begin+len-off);
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++static int crisv10_proc_open(struct inode *inode, struct file *file)
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++{
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++ return single_open(file, crisv10_proc_show, NULL);
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+ }
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+
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++static const struct file_operations crisv10_proc_fops = {
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++ .owner = THIS_MODULE,
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++ .open = crisv10_proc_open,
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++ .read = seq_read,
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++ .llseek = seq_lseek,
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++ .release = single_release,
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++};
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++#endif
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++
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++
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+ /* Finally, routines used to initialize the serial driver. */
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+
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+-static void
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+-show_serial_version(void)
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++static void show_serial_version(void)
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+ {
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+ printk(KERN_INFO
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+- "ETRAX 100LX serial-driver %s, (c) 2000-2004 Axis Communications AB\r\n",
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++ "ETRAX 100LX serial-driver %s, "
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++ "(c) 2000-2004 Axis Communications AB\r\n",
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+ &serial_version[11]); /* "$Revision: x.yy" */
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+ }
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+
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+@@ -4389,9 +4372,11 @@
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+ .break_ctl = rs_break,
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+ .send_xchar = rs_send_xchar,
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+ .wait_until_sent = rs_wait_until_sent,
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+- .read_proc = rs_read_proc,
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+ .tiocmget = rs_tiocmget,
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+- .tiocmset = rs_tiocmset
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++ .tiocmset = rs_tiocmset,
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++#ifdef CONFIG_PROC_FS
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++ .proc_fops = &crisv10_proc_fops,
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++#endif
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+ };
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+
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+ static struct class *rs_class;
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Claudio Mignanti