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Date: Thu, 22 Oct 2015 16:54:31 -0400
From: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
"David S. Miller" <davem@...emloft.net>,
Andrew Lunn <andrew@...n.ch>,
Scott Feldman <sfeldma@...il.com>,
Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Subject: [PATCH net-next] net: dsa: mv88e6xxx: remove debugfs interface
It is preferable to have a common debugfs interface for DSA or switchdev
instead of a driver specific one. Thus remove the mv88e6xxx debug code.
Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx.c | 291 --------------------------------------------
drivers/net/dsa/mv88e6xxx.h | 2 -
2 files changed, 293 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 39664d8..7af9630 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -11,7 +11,6 @@
* (at your option) any later version.
*/
-#include <linux/debugfs.h>
#include <linux/delay.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
@@ -21,7 +20,6 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/phy.h>
-#include <linux/seq_file.h>
#include <net/dsa.h>
#include <net/switchdev.h>
#include "mv88e6xxx.h"
@@ -876,13 +874,6 @@ static int _mv88e6xxx_atu_wait(struct dsa_switch *ds)
GLOBAL_ATU_OP_BUSY);
}
-/* Must be called with SMI lock held */
-static int _mv88e6xxx_scratch_wait(struct dsa_switch *ds)
-{
- return _mv88e6xxx_wait(ds, REG_GLOBAL2, GLOBAL2_SCRATCH_MISC,
- GLOBAL2_SCRATCH_BUSY);
-}
-
/* Must be called with SMI mutex held */
static int _mv88e6xxx_phy_read_indirect(struct dsa_switch *ds, int addr,
int regnum)
@@ -2107,273 +2098,9 @@ int mv88e6xxx_setup_ports(struct dsa_switch *ds)
return 0;
}
-static int mv88e6xxx_regs_show(struct seq_file *s, void *p)
-{
- struct dsa_switch *ds = s->private;
-
- struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
- int reg, port;
-
- seq_puts(s, " GLOBAL GLOBAL2 ");
- for (port = 0 ; port < ps->num_ports; port++)
- seq_printf(s, " %2d ", port);
- seq_puts(s, "\n");
-
- for (reg = 0; reg < 32; reg++) {
- seq_printf(s, "%2x: ", reg);
- seq_printf(s, " %4x %4x ",
- mv88e6xxx_reg_read(ds, REG_GLOBAL, reg),
- mv88e6xxx_reg_read(ds, REG_GLOBAL2, reg));
-
- for (port = 0 ; port < ps->num_ports; port++)
- seq_printf(s, "%4x ",
- mv88e6xxx_reg_read(ds, REG_PORT(port), reg));
- seq_puts(s, "\n");
- }
-
- return 0;
-}
-
-static int mv88e6xxx_regs_open(struct inode *inode, struct file *file)
-{
- return single_open(file, mv88e6xxx_regs_show, inode->i_private);
-}
-
-static const struct file_operations mv88e6xxx_regs_fops = {
- .open = mv88e6xxx_regs_open,
- .read = seq_read,
- .llseek = no_llseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-static void mv88e6xxx_atu_show_header(struct seq_file *s)
-{
- seq_puts(s, "DB T/P Vec State Addr\n");
-}
-
-static void mv88e6xxx_atu_show_entry(struct seq_file *s, int dbnum,
- unsigned char *addr, int data)
-{
- bool trunk = !!(data & GLOBAL_ATU_DATA_TRUNK);
- int portvec = ((data & GLOBAL_ATU_DATA_PORT_VECTOR_MASK) >>
- GLOBAL_ATU_DATA_PORT_VECTOR_SHIFT);
- int state = data & GLOBAL_ATU_DATA_STATE_MASK;
-
- seq_printf(s, "%03x %5s %10pb %x %pM\n",
- dbnum, (trunk ? "Trunk" : "Port"), &portvec, state, addr);
-}
-
-static int mv88e6xxx_atu_show_db(struct seq_file *s, struct dsa_switch *ds,
- int dbnum)
-{
- unsigned char bcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
- unsigned char addr[6];
- int ret, data, state;
-
- ret = _mv88e6xxx_atu_mac_write(ds, bcast);
- if (ret < 0)
- return ret;
-
- do {
- ret = _mv88e6xxx_reg_write(ds, REG_GLOBAL, GLOBAL_ATU_FID,
- dbnum);
- if (ret < 0)
- return ret;
-
- ret = _mv88e6xxx_atu_cmd(ds, GLOBAL_ATU_OP_GET_NEXT_DB);
- if (ret < 0)
- return ret;
-
- data = _mv88e6xxx_reg_read(ds, REG_GLOBAL, GLOBAL_ATU_DATA);
- if (data < 0)
- return data;
-
- state = data & GLOBAL_ATU_DATA_STATE_MASK;
- if (state == GLOBAL_ATU_DATA_STATE_UNUSED)
- break;
- ret = _mv88e6xxx_atu_mac_read(ds, addr);
- if (ret < 0)
- return ret;
- mv88e6xxx_atu_show_entry(s, dbnum, addr, data);
- } while (state != GLOBAL_ATU_DATA_STATE_UNUSED);
-
- return 0;
-}
-
-static int mv88e6xxx_atu_show(struct seq_file *s, void *p)
-{
- struct dsa_switch *ds = s->private;
- struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
- int dbnum;
-
- mv88e6xxx_atu_show_header(s);
-
- for (dbnum = 0; dbnum < 255; dbnum++) {
- mutex_lock(&ps->smi_mutex);
- mv88e6xxx_atu_show_db(s, ds, dbnum);
- mutex_unlock(&ps->smi_mutex);
- }
-
- return 0;
-}
-
-static int mv88e6xxx_atu_open(struct inode *inode, struct file *file)
-{
- return single_open(file, mv88e6xxx_atu_show, inode->i_private);
-}
-
-static const struct file_operations mv88e6xxx_atu_fops = {
- .open = mv88e6xxx_atu_open,
- .read = seq_read,
- .llseek = no_llseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-static void mv88e6xxx_stats_show_header(struct seq_file *s,
- struct mv88e6xxx_priv_state *ps)
-{
- int port;
-
- seq_puts(s, " Statistic ");
- for (port = 0 ; port < ps->num_ports; port++)
- seq_printf(s, "Port %2d ", port);
- seq_puts(s, "\n");
-}
-
-static int mv88e6xxx_stats_show(struct seq_file *s, void *p)
-{
- struct dsa_switch *ds = s->private;
- struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
- struct mv88e6xxx_hw_stat *stats = mv88e6xxx_hw_stats;
- int port, stat, max_stats;
- uint64_t value;
-
- if (have_sw_in_discards(ds))
- max_stats = ARRAY_SIZE(mv88e6xxx_hw_stats);
- else
- max_stats = ARRAY_SIZE(mv88e6xxx_hw_stats) - 3;
-
- mv88e6xxx_stats_show_header(s, ps);
-
- mutex_lock(&ps->smi_mutex);
-
- for (stat = 0; stat < max_stats; stat++) {
- seq_printf(s, "%19s: ", stats[stat].string);
- for (port = 0 ; port < ps->num_ports; port++) {
- _mv88e6xxx_stats_snapshot(ds, port);
- value = _mv88e6xxx_get_ethtool_stat(ds, stat, stats,
- port);
- seq_printf(s, "%8llu ", value);
- }
- seq_puts(s, "\n");
- }
- mutex_unlock(&ps->smi_mutex);
-
- return 0;
-}
-
-static int mv88e6xxx_stats_open(struct inode *inode, struct file *file)
-{
- return single_open(file, mv88e6xxx_stats_show, inode->i_private);
-}
-
-static const struct file_operations mv88e6xxx_stats_fops = {
- .open = mv88e6xxx_stats_open,
- .read = seq_read,
- .llseek = no_llseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-static int mv88e6xxx_device_map_show(struct seq_file *s, void *p)
-{
- struct dsa_switch *ds = s->private;
- struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
- int target, ret;
-
- seq_puts(s, "Target Port\n");
-
- mutex_lock(&ps->smi_mutex);
- for (target = 0; target < 32; target++) {
- ret = _mv88e6xxx_reg_write(
- ds, REG_GLOBAL2, GLOBAL2_DEVICE_MAPPING,
- target << GLOBAL2_DEVICE_MAPPING_TARGET_SHIFT);
- if (ret < 0)
- goto out;
- ret = _mv88e6xxx_reg_read(ds, REG_GLOBAL2,
- GLOBAL2_DEVICE_MAPPING);
- seq_printf(s, " %2d %2d\n", target,
- ret & GLOBAL2_DEVICE_MAPPING_PORT_MASK);
- }
-out:
- mutex_unlock(&ps->smi_mutex);
-
- return 0;
-}
-
-static int mv88e6xxx_device_map_open(struct inode *inode, struct file *file)
-{
- return single_open(file, mv88e6xxx_device_map_show, inode->i_private);
-}
-
-static const struct file_operations mv88e6xxx_device_map_fops = {
- .open = mv88e6xxx_device_map_open,
- .read = seq_read,
- .llseek = no_llseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-static int mv88e6xxx_scratch_show(struct seq_file *s, void *p)
-{
- struct dsa_switch *ds = s->private;
- struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
- int reg, ret;
-
- seq_puts(s, "Register Value\n");
-
- mutex_lock(&ps->smi_mutex);
- for (reg = 0; reg < 0x80; reg++) {
- ret = _mv88e6xxx_reg_write(
- ds, REG_GLOBAL2, GLOBAL2_SCRATCH_MISC,
- reg << GLOBAL2_SCRATCH_REGISTER_SHIFT);
- if (ret < 0)
- goto out;
-
- ret = _mv88e6xxx_scratch_wait(ds);
- if (ret < 0)
- goto out;
-
- ret = _mv88e6xxx_reg_read(ds, REG_GLOBAL2,
- GLOBAL2_SCRATCH_MISC);
- seq_printf(s, " %2x %2x\n", reg,
- ret & GLOBAL2_SCRATCH_VALUE_MASK);
- }
-out:
- mutex_unlock(&ps->smi_mutex);
-
- return 0;
-}
-
-static int mv88e6xxx_scratch_open(struct inode *inode, struct file *file)
-{
- return single_open(file, mv88e6xxx_scratch_show, inode->i_private);
-}
-
-static const struct file_operations mv88e6xxx_scratch_fops = {
- .open = mv88e6xxx_scratch_open,
- .read = seq_read,
- .llseek = no_llseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
int mv88e6xxx_setup_common(struct dsa_switch *ds)
{
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
- char *name;
mutex_init(&ps->smi_mutex);
@@ -2381,24 +2108,6 @@ int mv88e6xxx_setup_common(struct dsa_switch *ds)
INIT_WORK(&ps->bridge_work, mv88e6xxx_bridge_work);
- name = kasprintf(GFP_KERNEL, "dsa%d", ds->index);
- ps->dbgfs = debugfs_create_dir(name, NULL);
- kfree(name);
-
- debugfs_create_file("regs", S_IRUGO, ps->dbgfs, ds,
- &mv88e6xxx_regs_fops);
-
- debugfs_create_file("atu", S_IRUGO, ps->dbgfs, ds,
- &mv88e6xxx_atu_fops);
-
- debugfs_create_file("stats", S_IRUGO, ps->dbgfs, ds,
- &mv88e6xxx_stats_fops);
-
- debugfs_create_file("device_map", S_IRUGO, ps->dbgfs, ds,
- &mv88e6xxx_device_map_fops);
-
- debugfs_create_file("scratch", S_IRUGO, ps->dbgfs, ds,
- &mv88e6xxx_scratch_fops);
return 0;
}
diff --git a/drivers/net/dsa/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx.h
index 430de4f..6f9ed5d 100644
--- a/drivers/net/dsa/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx.h
@@ -406,8 +406,6 @@ struct mv88e6xxx_priv_state {
u8 port_state[DSA_MAX_PORTS];
struct work_struct bridge_work;
-
- struct dentry *dbgfs;
};
struct mv88e6xxx_hw_stat {
--
2.6.1
--
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