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ramips: raeth: add debugfs support

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30680 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2012-02-22 13:06:42 +00:00
parent 487e30dc6b
commit fe2aef1465
8 changed files with 94 additions and 1 deletions
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4
target/linux/ramips/files/drivers/net/ethernet/ramips/Kconfig
View File

@ -10,4 +10,8 @@ if NET_RAMIPS
config NET_RAMIPS_DEBUG
bool "Enable debug messages in the Ralink ethernet driver"
config NET_RAMIPS_DEBUG_FS
bool "Enable debugfs support for the Ralink ethernet driver"
depends on DEBUG_FS
endif

2
target/linux/ramips/files/drivers/net/ethernet/ramips/Makefile
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@ -4,4 +4,6 @@
ramips-y += ramips_main.o
ramips-$(CONFIG_NET_RAMIPS_DEBUG_FS) += ramips_debugfs.o
obj-$(CONFIG_NET_RAMIPS) += ramips.o

49
target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_debugfs.c Normal file
View File

@ -0,0 +1,49 @@
/*
* Ralink SoC ethernet driver debugfs code
*
* Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include <linux/debugfs.h>
#include <linux/phy.h>
#include "ramips_eth.h"
static struct dentry *raeth_debugfs_root;
void raeth_debugfs_exit(struct raeth_priv *re)
{
debugfs_remove_recursive(re->debug.debugfs_dir);
}
int raeth_debugfs_init(struct raeth_priv *re)
{
re->debug.debugfs_dir = debugfs_create_dir(re->netdev->name,
raeth_debugfs_root);
if (!re->debug.debugfs_dir)
return -ENOMEM;
return 0;
}
int raeth_debugfs_root_init(void)
{
if (raeth_debugfs_root)
return -EBUSY;
raeth_debugfs_root = debugfs_create_dir("raeth", NULL);
if (!raeth_debugfs_root)
return -ENOENT;
return 0;
}
void raeth_debugfs_root_exit(void)
{
debugfs_remove(raeth_debugfs_root);
raeth_debugfs_root = NULL;
}

20
target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_eth.h
View File

@ -213,6 +213,10 @@ struct ramips_tx_dma {
unsigned int txd4;
} __packed __aligned(4);
struct raeth_debug {
struct dentry *debugfs_dir;
};
struct raeth_priv
{
dma_addr_t rx_desc_dma;
@ -243,6 +247,22 @@ struct raeth_priv
int mii_irq[PHY_MAX_ADDR];
struct phy_device *phy_dev;
spinlock_t phy_lock;
#ifdef CONFIG_NET_RAMIPS_DEBUG_FS
struct raeth_debug debug;
#endif
};
#ifdef CONFIG_NET_RAMIPS_DEBUG_FS
int raeth_debugfs_root_init(void);
void raeth_debugfs_root_exit(void);
int raeth_debugfs_init(struct raeth_priv *re);
void raeth_debugfs_exit(struct raeth_priv *re);
#else
static inline int raeth_debugfs_root_init(void) { return 0; }
static inline void raeth_debugfs_root_exit(void) {}
static inline int raeth_debugfs_init(struct raeth_priv *re) { return 0; }
static inline void raeth_debugfs_exit(struct raeth_priv *re) {}
#endif /* CONFIG_NET_RAMIPS_DEBUG_FS */
#endif /* RAMIPS_ETH_H */

17
target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c
View File

@ -874,8 +874,14 @@ ramips_eth_probe(struct net_device *dev)
if (err)
goto err_mdio_cleanup;
err = raeth_debugfs_init(re);
if (err)
goto err_phy_disconnect;
return 0;
err_phy_disconnect:
ramips_phy_disconnect(re);
err_mdio_cleanup:
ramips_mdio_cleanup(re);
return err;
@ -886,6 +892,7 @@ ramips_eth_uninit(struct net_device *dev)
{
struct raeth_priv *re = netdev_priv(dev);
raeth_debugfs_exit(re);
ramips_phy_disconnect(re);
ramips_mdio_cleanup(re);
}
@ -992,9 +999,13 @@ ramips_eth_init(void)
{
int ret;
ret = raeth_debugfs_root_init();
if (ret)
goto err_out;
ret = rt305x_esw_init();
if (ret)
return ret;
goto err_debugfs_exit;
ret = platform_driver_register(&ramips_eth_driver);
if (ret) {
@ -1007,6 +1018,9 @@ ramips_eth_init(void)
esw_cleanup:
rt305x_esw_exit();
err_debugfs_exit:
raeth_debugfs_root_exit();
err_out:
return ret;
}
@ -1015,6 +1029,7 @@ ramips_eth_cleanup(void)
{
platform_driver_unregister(&ramips_eth_driver);
rt305x_esw_exit();
raeth_debugfs_root_exit();
}
module_init(ramips_eth_init);

1
target/linux/ramips/rt288x/config-3.2
View File

@ -82,6 +82,7 @@ CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_PER_CPU_KM=y
CONFIG_NET_RAMIPS=y
# CONFIG_NET_RAMIPS_DEBUG is not set
# CONFIG_NET_RAMIPS_DEBUG_FS is not set
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y

1
target/linux/ramips/rt305x/config-3.2
View File

@ -81,6 +81,7 @@ CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_PER_CPU_KM=y
CONFIG_NET_RAMIPS=y
# CONFIG_NET_RAMIPS_DEBUG is not set
# CONFIG_NET_RAMIPS_DEBUG_FS is not set
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_PERF_USE_VMALLOC=y
CONFIG_PHYLIB=y

1
target/linux/ramips/rt3883/config-3.2
View File

@ -80,6 +80,7 @@ CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_PER_CPU_KM=y
CONFIG_NET_RAMIPS=y
# CONFIG_NET_RAMIPS_DEBUG is not set
# CONFIG_NET_RAMIPS_DEBUG_FS is not set
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_PCI=y
CONFIG_PCI_DISABLE_COMMON_QUIRKS=y