proc tty: switch synclink to ->proc_fops (d337829b) · Commits · EulixOS / Software / Kernel

drivers/char/synclink.c

+39 −59

Original line number	Diff line number	Diff line
		@@ -79,6 +79,7 @@
		#include <linux/ptrace.h>
		#include <linux/ioport.h>
		#include <linux/mm.h>
		#include <linux/seq_file.h>
		#include <linux/slab.h>
		#include <linux/delay.h>
		#include <linux/netdevice.h>
		@@ -3459,18 +3460,17 @@ static int mgsl_open(struct tty_struct tty, struct file filp)
		* /proc fs routines....
		*/

		static inline int line_info(char buf, struct mgsl_struct info)
		static inline void line_info(struct seq_file m, struct mgsl_struct info)
		{
		char stat_buf[30];
		int ret;
		unsigned long flags;

		if (info->bus_type == MGSL_BUS_TYPE_PCI) {
		ret = sprintf(buf, "%s:PCI io:%04X irq:%d mem:%08X lcr:%08X",
		seq_printf(m, "%s:PCI io:%04X irq:%d mem:%08X lcr:%08X",
		info->device_name, info->io_base, info->irq_level,
		info->phys_memory_base, info->phys_lcr_base);
		} else {
		ret = sprintf(buf, "%s:(E)ISA io:%04X irq:%d dma:%d",
		seq_printf(m, "%s:(E)ISA io:%04X irq:%d dma:%d",
		info->device_name, info->io_base,
		info->irq_level, info->dma_level);
		}
		@@ -3497,37 +3497,37 @@ static inline int line_info(char buf, struct mgsl_struct info)

		if (info->params.mode == MGSL_MODE_HDLC \|\|
		info->params.mode == MGSL_MODE_RAW ) {
		ret += sprintf(buf+ret, " HDLC txok:%d rxok:%d",
		seq_printf(m, " HDLC txok:%d rxok:%d",
		info->icount.txok, info->icount.rxok);
		if (info->icount.txunder)
		ret += sprintf(buf+ret, " txunder:%d", info->icount.txunder);
		seq_printf(m, " txunder:%d", info->icount.txunder);
		if (info->icount.txabort)
		ret += sprintf(buf+ret, " txabort:%d", info->icount.txabort);
		seq_printf(m, " txabort:%d", info->icount.txabort);
		if (info->icount.rxshort)
		ret += sprintf(buf+ret, " rxshort:%d", info->icount.rxshort);
		seq_printf(m, " rxshort:%d", info->icount.rxshort);
		if (info->icount.rxlong)
		ret += sprintf(buf+ret, " rxlong:%d", info->icount.rxlong);
		seq_printf(m, " rxlong:%d", info->icount.rxlong);
		if (info->icount.rxover)
		ret += sprintf(buf+ret, " rxover:%d", info->icount.rxover);
		seq_printf(m, " rxover:%d", info->icount.rxover);
		if (info->icount.rxcrc)
		ret += sprintf(buf+ret, " rxcrc:%d", info->icount.rxcrc);
		seq_printf(m, " rxcrc:%d", info->icount.rxcrc);
		} else {
		ret += sprintf(buf+ret, " ASYNC tx:%d rx:%d",
		seq_printf(m, " ASYNC tx:%d rx:%d",
		info->icount.tx, info->icount.rx);
		if (info->icount.frame)
		ret += sprintf(buf+ret, " fe:%d", info->icount.frame);
		seq_printf(m, " fe:%d", info->icount.frame);
		if (info->icount.parity)
		ret += sprintf(buf+ret, " pe:%d", info->icount.parity);
		seq_printf(m, " pe:%d", info->icount.parity);
		if (info->icount.brk)
		ret += sprintf(buf+ret, " brk:%d", info->icount.brk);
		seq_printf(m, " brk:%d", info->icount.brk);
		if (info->icount.overrun)
		ret += sprintf(buf+ret, " oe:%d", info->icount.overrun);
		seq_printf(m, " oe:%d", info->icount.overrun);
		}

		/* Append serial signal status to end */
		ret += sprintf(buf+ret, " %s\n", stat_buf+1);
		seq_printf(m, " %s\n", stat_buf+1);

		ret += sprintf(buf+ret, "txactive=%d bh_req=%d bh_run=%d pending_bh=%x\n",
		seq_printf(m, "txactive=%d bh_req=%d bh_run=%d pending_bh=%x\n",
		info->tx_active,info->bh_requested,info->bh_running,
		info->pending_bh);

		@@ -3544,60 +3544,40 @@ static inline int line_info(char buf, struct mgsl_struct info)
		u16 Tmr = usc_InReg( info, TMR );
		u16 Tccr = usc_InReg( info, TCCR );
		u16 Ccar = inw( info->io_base + CCAR );
		ret += sprintf(buf+ret, "tcsr=%04X tdmr=%04X ticr=%04X rcsr=%04X rdmr=%04X\n"
		seq_printf(m, "tcsr=%04X tdmr=%04X ticr=%04X rcsr=%04X rdmr=%04X\n"
		"ricr=%04X icr =%04X dccr=%04X tmr=%04X tccr=%04X ccar=%04X\n",
		Tcsr,Tdmr,Ticr,Rscr,Rdmr,Ricr,Icr,Dccr,Tmr,Tccr,Ccar );
		}
		spin_unlock_irqrestore(&info->irq_spinlock,flags);
		}

		return ret;

		} /* end of line_info() */

		/* mgsl_read_proc()
		*
		* Called to print information about devices
		*
		* Arguments:
		* page page of memory to hold returned info
		* start
		* off
		* count
		* eof
		* data
		*
		* Return Value:
		*/
		static int mgsl_read_proc(char page, char *start, off_t off, int count,
		int eof, void data)
		/* Called to print information about devices */
		static int mgsl_proc_show(struct seq_file m, void v)
		{
		int len = 0, l;
		off_t begin = 0;
		struct mgsl_struct *info;

		len += sprintf(page, "synclink driver:%s\n", driver_version);
		seq_printf(m, "synclink driver:%s\n", driver_version);

		info = mgsl_device_list;
		while( info ) {
		l = line_info(page + len, info);
		len += l;
		if (len+begin > off+count)
		goto done;
		if (len+begin < off) {
		begin += len;
		len = 0;
		}
		line_info(m, info);
		info = info->next_device;
		}

		*eof = 1;
		done:
		if (off >= len+begin)
		return 0;
		*start = page + (off-begin);
		return ((count < begin+len-off) ? count : begin+len-off);
		}

		} /* end of mgsl_read_proc() */
		static int mgsl_proc_open(struct inode inode, struct file file)
		{
		return single_open(file, mgsl_proc_show, NULL);
		}

		static const struct file_operations mgsl_proc_fops = {
		.owner = THIS_MODULE,
		.open = mgsl_proc_open,
		.read = seq_read,
		.llseek = seq_lseek,
		.release = single_release,
		};

		/* mgsl_allocate_dma_buffers()
		*
		@@ -4335,13 +4315,13 @@ static const struct tty_operations mgsl_ops = {
		.send_xchar = mgsl_send_xchar,
		.break_ctl = mgsl_break,
		.wait_until_sent = mgsl_wait_until_sent,
		.read_proc = mgsl_read_proc,
		.set_termios = mgsl_set_termios,
		.stop = mgsl_stop,
		.start = mgsl_start,
		.hangup = mgsl_hangup,
		.tiocmget = tiocmget,
		.tiocmset = tiocmset,
		.proc_fops = &mgsl_proc_fops,
		};

		/*