staging/fwserial: Cleanup /proc/tty/driver/ file

Factor out extra stats, data profiles, debugging info and peer info
from procfs file in preparation for using debugfs instead.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 15 insertions, 24 deletions

diff --git a/drivers/staging/fwserial/fwserial.c b/drivers/staging/fwserial/fwserial.c
index 3f2d26e7a008..fb00a8a7bb8c 100644
--- a/drivers/staging/fwserial/fwserial.c
+++ b/drivers/staging/fwserial/fwserial.c
@@ -1509,17 +1509,26 @@ static void fwtty_proc_show_port(struct seq_file *m, struct fwtty_port *port)
         if (port->port.console)
                 (*port->fwcon_ops->stats)(&stats, port->con_data);
 
-        seq_printf(m, " tx:%d rx:%d", port->icount.tx + stats.xchars,
-                   port->icount.rx);
+        seq_printf(m, " addr:%012llx tx:%d rx:%d", port->rx_handler.offset,
+                   port->icount.tx + stats.xchars, port->icount.rx);
         seq_printf(m, " cts:%d dsr:%d rng:%d dcd:%d", port->icount.cts,
                    port->icount.dsr, port->icount.rng, port->icount.dcd);
         seq_printf(m, " fe:%d oe:%d pe:%d brk:%d", port->icount.frame,
                    port->icount.overrun, port->icount.parity, port->icount.brk);
+}
+
+static void fwtty_debugfs_show_port(struct seq_file *m, struct fwtty_port *port)
+{
+        struct stats stats;
+
+        memcpy(&stats, &port->stats, sizeof(stats));
+        if (port->port.console)
+                (*port->fwcon_ops->stats)(&stats, port->con_data);
+
         seq_printf(m, " dr:%d st:%d err:%d lost:%d", stats.dropped,
                    stats.tx_stall, stats.fifo_errs, stats.lost);
         seq_printf(m, " pkts:%d thr:%d wtrmk:%d", stats.sent, stats.throttled,
                    stats.watermark);
-        seq_printf(m, " addr:%012llx", port->rx_handler.offset);
 
         if (port->port.console) {
                 seq_printf(m, "\n    ");
@@ -1529,7 +1538,7 @@ static void fwtty_proc_show_port(struct seq_file *m, struct fwtty_port *port)
         dump_profile(m, &port->stats);
 }
 
-static void fwtty_proc_show_peer(struct seq_file *m, struct fwtty_peer *peer)
+static void fwtty_debugfs_show_peer(struct seq_file *m, struct fwtty_peer *peer)
 {
         int generation = peer->generation;
 
@@ -1538,21 +1547,14 @@ static void fwtty_proc_show_peer(struct seq_file *m, struct fwtty_peer *peer)
         seq_printf(m, " node:%04x gen:%d", peer->node_id, generation);
         seq_printf(m, " sp:%d max:%d guid:%016llx", peer->speed,
                    peer->max_payload, (unsigned long long) peer->guid);
-
-        if (capable(CAP_SYS_ADMIN)) {
-                seq_printf(m, " mgmt:%012llx",
-                           (unsigned long long) peer->mgmt_addr);
-                seq_printf(m, " addr:%012llx",
-                           (unsigned long long) peer->status_addr);
-        }
+        seq_printf(m, " mgmt:%012llx", (unsigned long long) peer->mgmt_addr);
+        seq_printf(m, " addr:%012llx", (unsigned long long) peer->status_addr);
         seq_putc(m, '\n');
 }
 
 static int fwtty_proc_show(struct seq_file *m, void *v)
 {
         struct fwtty_port *port;
-        struct fw_serial *serial;
-        struct fwtty_peer *peer;
         int i;
 
         seq_puts(m, "fwserinfo: 1.0 driver: 1.0\n");
@@ -1563,17 +1565,6 @@ static int fwtty_proc_show(struct seq_file *m, void *v)
                 fwtty_port_put(port);
                 seq_printf(m, "\n");
         }
-        seq_putc(m, '\n');
-
-        rcu_read_lock();
-        list_for_each_entry_rcu(serial, &fwserial_list, list) {
-                seq_printf(m, "card: %s  guid: %016llx\n",
-                           dev_name(serial->card->device),
-                           (unsigned long long) serial->card->guid);
-                list_for_each_entry_rcu(peer, &serial->peer_list, list)
-                        fwtty_proc_show_peer(m, peer);
-        }
-        rcu_read_unlock();
         return 0;
 }