The patch titled proc tty: switch synclink to ->proc_fops has been added to the -mm tree. Its filename is proc-tty-switch-synclink-to-proc_fops.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: proc tty: switch synclink to ->proc_fops From: Alexey Dobriyan <adobriyan@xxxxxxxxx> Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/char/synclink.c | 98 +++++++++++++++----------------------- 1 file changed, 39 insertions(+), 59 deletions(-) diff -puN drivers/char/synclink.c~proc-tty-switch-synclink-to-proc_fops drivers/char/synclink.c --- a/drivers/char/synclink.c~proc-tty-switch-synclink-to-proc_fops +++ a/drivers/char/synclink.c @@ -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 @@ cleanup: * /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, s 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, s 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; } + return 0; +} - *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_ .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, }; /* _ Patches currently in -mm which might be from adobriyan@xxxxxxxxx are seq_file-move-traverse-so-it-can-be-used-from-seq_read.patch seq_file-properly-cope-with-pread.patch linux-next.patch eeepc-should-depend-on-input.patch tags-fix-config-symbols-generation.patch sm501-fix-section-mismatches.patch mpt-remove-unused-struct-mpt_proc_entry_t.patch proc-tty-add-struct-tty_operations-proc_fops.patch proc-tty-switch-cyclades-to-proc_fops.patch proc-tty-switch-ip2-to-proc_fops.patch proc-tty-switch-istallion-to-proc_fops.patch proc-tty-switch-synclink_cs-to-proc_fops.patch proc-tty-switch-stallion-to-proc_fops.patch proc-tty-switch-synclink-to-proc_fops.patch proc-tty-switch-synclink_gt-to-proc_fops.patch proc-tty-switch-synclinkmp-to-proc_fops.patch proc-tty-switch-sdio_uart-to-proc_fops.patch proc-tty-switch-serial_core-to-proc_fops.patch proc-tty-switch-usb-serial-to-proc_fops.patch proc-tty-switch-ircomm-to-proc_fops.patch proc-tty-switch-amiserial-to-proc_fops.patch proc-tty-switch-ia64-simserial-to-proc_fops.patch proc-tty-switch-xtensa-iss-console-to-proc_fops.patch proc-tty-remove-struct-tty_operations-read_proc.patch softirq-introduce-statistics-for-softirq.patch proc-export-statistics-for-softirq-to-proc.patch proc-export-statistics-for-softirq-to-proc-fix.patch proc-update-document-for-proc-softirqs-and-proc-stat.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html