From 24270156ac94a54cfaa7326375ed44d0902f58c5 Mon Sep 17 00:00:00 2001 From: David Howells Date: Thu, 11 Apr 2013 00:21:15 +0100 Subject: mips: Don't use create_proc_read_entry() Don't use create_proc_read_entry() as that is deprecated, but rather use proc_create_data() and seq_file instead. Signed-off-by: David Howells cc: Ralf Baechle cc: linux-mips@linux-mips.org Signed-off-by: Al Viro --- arch/mips/sibyte/sb1250/bus_watcher.c | 81 ++++++++++++++++------------------- 1 file changed, 37 insertions(+), 44 deletions(-) (limited to 'arch/mips/sibyte') diff --git a/arch/mips/sibyte/sb1250/bus_watcher.c b/arch/mips/sibyte/sb1250/bus_watcher.c index e651105..cb1e3cb 100644 --- a/arch/mips/sibyte/sb1250/bus_watcher.c +++ b/arch/mips/sibyte/sb1250/bus_watcher.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include @@ -99,63 +100,60 @@ void check_bus_watcher(void) printk("Bus watcher indicates no error\n"); } -static int bw_print_buffer(char *page, struct bw_stats_struct *stats) +#ifdef CONFIG_PROC_FS + +/* For simplicity, I want to assume a single read is required each + time */ +static int bw_proc_show(struct seq_file *m, void *v) { - int len; - - len = sprintf(page, "SiByte Bus Watcher statistics\n"); - len += sprintf(page+len, "-----------------------------\n"); - len += sprintf(page+len, "L2-d-cor %8ld\nL2-d-bad %8ld\n", - stats->l2_cor_d, stats->l2_bad_d); - len += sprintf(page+len, "L2-t-cor %8ld\nL2-t-bad %8ld\n", - stats->l2_cor_t, stats->l2_bad_t); - len += sprintf(page+len, "MC-d-cor %8ld\nMC-d-bad %8ld\n", - stats->mem_cor_d, stats->mem_bad_d); - len += sprintf(page+len, "IO-err %8ld\n", stats->bus_error); - len += sprintf(page+len, "\nLast recorded signature:\n"); - len += sprintf(page+len, "Request %02x from %d, answered by %d with Dcode %d\n", - (unsigned int)(G_SCD_BERR_TID(stats->status) & 0x3f), - (int)(G_SCD_BERR_TID(stats->status) >> 6), - (int)G_SCD_BERR_RID(stats->status), - (int)G_SCD_BERR_DCODE(stats->status)); + struct bw_stats_struct *stats = m->private; + + seq_puts(m, "SiByte Bus Watcher statistics\n"); + seq_puts(m, "-----------------------------\n"); + seq_printf(m, "L2-d-cor %8ld\nL2-d-bad %8ld\n", + stats->l2_cor_d, stats->l2_bad_d); + seq_printf(m, "L2-t-cor %8ld\nL2-t-bad %8ld\n", + stats->l2_cor_t, stats->l2_bad_t); + seq_printf(m, "MC-d-cor %8ld\nMC-d-bad %8ld\n", + stats->mem_cor_d, stats->mem_bad_d); + seq_printf(m, "IO-err %8ld\n", stats->bus_error); + seq_puts(m, "\nLast recorded signature:\n"); + seq_printf(m, "Request %02x from %d, answered by %d with Dcode %d\n", + (unsigned int)(G_SCD_BERR_TID(stats->status) & 0x3f), + (int)(G_SCD_BERR_TID(stats->status) >> 6), + (int)G_SCD_BERR_RID(stats->status), + (int)G_SCD_BERR_DCODE(stats->status)); /* XXXKW indicate multiple errors between printings, or stats collection (or both)? */ if (stats->status & M_SCD_BERR_MULTERRS) - len += sprintf(page+len, "Multiple errors observed since last check.\n"); + seq_puts(m, "Multiple errors observed since last check.\n"); if (stats->status_printed) { - len += sprintf(page+len, "(no change since last printing)\n"); + seq_puts(m, "(no change since last printing)\n"); } else { stats->status_printed = 1; } - return len; + return 0; } -#ifdef CONFIG_PROC_FS - -/* For simplicity, I want to assume a single read is required each - time */ -static int bw_read_proc(char *page, char **start, off_t off, - int count, int *eof, void *data) +static int bw_proc_open(struct inode *inode, struct file *file) { - int len; - - if (off == 0) { - len = bw_print_buffer(page, data); - *start = page; - } else { - len = 0; - *eof = 1; - } - return len; + return single_open(file, bw_proc_show, PDE_DATA(inode)); } +static const struct file_operations bw_proc_fops = { + .open = bw_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + static void create_proc_decoder(struct bw_stats_struct *stats) { struct proc_dir_entry *ent; - ent = create_proc_read_entry("bus_watcher", S_IWUSR | S_IRUGO, NULL, - bw_read_proc, stats); + ent = proc_create_data("bus_watcher", S_IWUSR | S_IRUGO, NULL, + &bw_proc_fops, stats); if (!ent) { printk(KERN_INFO "Unable to initialize bus_watcher /proc entry\n"); return; @@ -210,11 +208,6 @@ static irqreturn_t sibyte_bw_int(int irq, void *data) stats->bus_error += G_SCD_MEM_BUSERR(cntr); csr_out32(0, IOADDR(A_BUS_MEM_IO_ERRORS)); -#ifndef CONFIG_PROC_FS - bw_print_buffer(bw_buf, stats); - printk(bw_buf); -#endif - return IRQ_HANDLED; } -- cgit v1.1