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Date: Thu, 26 Nov 2009 02:09:41 +0000
From: Ben Hutchings <bhutchings@...arflare.com>
To: David Miller <davem@...emloft.net>
Cc: netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: [PATCH 06/16] sfc: Clean up struct falcon_board and struct
falcon_board_data
Put all static information in struct falcon_board_type and replace it
with a pointer in struct falcon_board. Simplify probing aocordingly.
Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>
---
drivers/net/sfc/efx.c | 2 +-
drivers/net/sfc/ethtool.c | 6 +-
drivers/net/sfc/falcon.c | 4 +-
drivers/net/sfc/falcon.h | 34 ++++++++----
drivers/net/sfc/falcon_boards.c | 115 ++++++++++++++++++---------------------
drivers/net/sfc/qt202x_phy.c | 2 +-
drivers/net/sfc/tenxpress.c | 2 +-
7 files changed, 85 insertions(+), 80 deletions(-)
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 9f3ef38..dc85efa 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1309,7 +1309,7 @@ static void efx_monitor(struct work_struct *data)
goto out_requeue;
if (!efx->port_enabled)
goto out_unlock;
- rc = falcon_board(efx)->monitor(efx);
+ rc = falcon_board(efx)->type->monitor(efx);
if (rc) {
EFX_ERR(efx, "Board sensor %s; shutting down PHY\n",
(rc == -ERANGE) ? "reported fault" : "failed");
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index d8915b9..bb9abf2 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -174,14 +174,14 @@ static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count)
struct efx_nic *efx = netdev_priv(net_dev);
do {
- falcon_board(efx)->set_id_led(efx, EFX_LED_ON);
+ falcon_board(efx)->type->set_id_led(efx, EFX_LED_ON);
schedule_timeout_interruptible(HZ / 2);
- falcon_board(efx)->set_id_led(efx, EFX_LED_OFF);
+ falcon_board(efx)->type->set_id_led(efx, EFX_LED_OFF);
schedule_timeout_interruptible(HZ / 2);
} while (!signal_pending(current) && --count != 0);
- falcon_board(efx)->set_id_led(efx, EFX_LED_DEFAULT);
+ falcon_board(efx)->type->set_id_led(efx, EFX_LED_DEFAULT);
return 0;
}
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 2c0be6c..2f1f1fc 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2864,7 +2864,7 @@ int falcon_probe_nic(struct efx_nic *efx)
if (rc)
goto fail5;
- rc = falcon_board(efx)->init(efx);
+ rc = falcon_board(efx)->type->init(efx);
if (rc) {
EFX_ERR(efx, "failed to initialise board\n");
goto fail6;
@@ -3067,7 +3067,7 @@ void falcon_remove_nic(struct efx_nic *efx)
struct falcon_board *board = falcon_board(efx);
int rc;
- falcon_board(efx)->fini(efx);
+ board->type->fini(efx);
/* Remove I2C adapter and clear it in preparation for a retry */
rc = i2c_del_adapter(&board->i2c_adap);
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index ea6ac06..b331889 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -31,29 +31,41 @@ static inline int falcon_rev(struct efx_nic *efx)
}
/**
- * struct falcon_board - board information
- * @type: Board model type
- * @major: Major rev. ('A', 'B' ...)
- * @minor: Minor rev. (0, 1, ...)
+ * struct falcon_board_type - board operations and type information
+ * @id: Board type id, as found in NVRAM
+ * @ref_model: Model number of Solarflare reference design
+ * @gen_type: Generic board type description
* @init: Allocate resources and initialise peripheral hardware
* @init_phy: Do board-specific PHY initialisation
+ * @fini: Shut down hardware and free resources
* @set_id_led: Set state of identifying LED or revert to automatic function
* @monitor: Board-specific health check function
- * @fini: Shut down hardware and free resources
+ */
+struct falcon_board_type {
+ u8 id;
+ const char *ref_model;
+ const char *gen_type;
+ int (*init) (struct efx_nic *nic);
+ void (*init_phy) (struct efx_nic *efx);
+ void (*fini) (struct efx_nic *nic);
+ void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
+ int (*monitor) (struct efx_nic *nic);
+};
+
+/**
+ * struct falcon_board - board information
+ * @type: Type of board
+ * @major: Major rev. ('A', 'B' ...)
+ * @minor: Minor rev. (0, 1, ...)
* @i2c_adap: I2C adapter for on-board peripherals
* @i2c_data: Data for bit-banging algorithm
* @hwmon_client: I2C client for hardware monitor
* @ioexp_client: I2C client for power/port control
*/
struct falcon_board {
- int type;
+ const struct falcon_board_type *type;
int major;
int minor;
- int (*init) (struct efx_nic *nic);
- void (*init_phy) (struct efx_nic *efx);
- void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
- int (*monitor) (struct efx_nic *nic);
- void (*fini) (struct efx_nic *nic);
struct i2c_adapter i2c_adap;
struct i2c_algo_bit_data i2c_data;
struct i2c_client *hwmon_client, *ioexp_client;
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index f05c9d3..ac1258e 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -348,7 +348,7 @@ static ssize_t set_phy_flash_cfg(struct device *dev,
efx->phy_mode = new_mode;
if (new_mode & PHY_MODE_SPECIAL)
efx_stats_disable(efx);
- if (falcon_board(efx)->type == FALCON_BOARD_SFE4001)
+ if (falcon_board(efx)->type->id == FALCON_BOARD_SFE4001)
err = sfe4001_poweron(efx);
else
err = sfn4111t_reset(efx);
@@ -438,13 +438,6 @@ static int sfe4001_init(struct efx_nic *efx)
goto fail_hwmon;
}
- /* 10Xpress has fixed-function LED pins, so there is no board-specific
- * blink code. */
- board->set_id_led = tenxpress_set_id_led;
-
- board->monitor = sfe4001_check_hw;
- board->fini = sfe4001_fini;
-
if (efx->phy_mode & PHY_MODE_SPECIAL) {
/* PHY won't generate a 156.25 MHz clock and MAC stats fetch
* will fail. */
@@ -531,11 +524,6 @@ static int sfn4111t_init(struct efx_nic *efx)
if (!board->hwmon_client)
return -EIO;
- board->init_phy = sfn4111t_init_phy;
- board->set_id_led = tenxpress_set_id_led;
- board->monitor = sfn4111t_check_hw;
- board->fini = sfn4111t_fini;
-
rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
if (rc)
goto fail_hwmon;
@@ -620,15 +608,7 @@ static int sfe4002_check_hw(struct efx_nic *efx)
static int sfe4002_init(struct efx_nic *efx)
{
- struct falcon_board *board = falcon_board(efx);
- int rc = efx_init_lm87(efx, &sfe4002_hwmon_info, sfe4002_lm87_regs);
- if (rc)
- return rc;
- board->monitor = sfe4002_check_hw;
- board->init_phy = sfe4002_init_phy;
- board->set_id_led = sfe4002_set_id_led;
- board->fini = efx_fini_lm87;
- return 0;
+ return efx_init_lm87(efx, &sfe4002_hwmon_info, sfe4002_lm87_regs);
}
/*****************************************************************************
@@ -692,67 +672,80 @@ static int sfn4112f_check_hw(struct efx_nic *efx)
static int sfn4112f_init(struct efx_nic *efx)
{
- struct falcon_board *board = falcon_board(efx);
-
- int rc = efx_init_lm87(efx, &sfn4112f_hwmon_info, sfn4112f_lm87_regs);
- if (rc)
- return rc;
- board->monitor = sfn4112f_check_hw;
- board->init_phy = sfn4112f_init_phy;
- board->set_id_led = sfn4112f_set_id_led;
- board->fini = efx_fini_lm87;
- return 0;
+ return efx_init_lm87(efx, &sfn4112f_hwmon_info, sfn4112f_lm87_regs);
}
-/* This will get expanded as board-specific details get moved out of the
- * PHY drivers. */
-struct falcon_board_data {
- u8 type;
- const char *ref_model;
- const char *gen_type;
- int (*init) (struct efx_nic *nic);
-};
-
-
-static struct falcon_board_data board_data[] = {
- { FALCON_BOARD_SFE4001, "SFE4001", "10GBASE-T adapter", sfe4001_init },
- { FALCON_BOARD_SFE4002, "SFE4002", "XFP adapter", sfe4002_init },
- { FALCON_BOARD_SFN4111T, "SFN4111T", "100/1000/10GBASE-T adapter",
- sfn4111t_init },
- { FALCON_BOARD_SFN4112F, "SFN4112F", "SFP+ adapter",
- sfn4112f_init },
+static const struct falcon_board_type board_types[] = {
+ {
+ .id = FALCON_BOARD_SFE4001,
+ .ref_model = "SFE4001",
+ .gen_type = "10GBASE-T adapter",
+ .init = sfe4001_init,
+ .init_phy = efx_port_dummy_op_void,
+ .fini = sfe4001_fini,
+ .set_id_led = tenxpress_set_id_led,
+ .monitor = sfe4001_check_hw,
+ },
+ {
+ .id = FALCON_BOARD_SFE4002,
+ .ref_model = "SFE4002",
+ .gen_type = "XFP adapter",
+ .init = sfe4002_init,
+ .init_phy = sfe4002_init_phy,
+ .fini = efx_fini_lm87,
+ .set_id_led = sfe4002_set_id_led,
+ .monitor = sfe4002_check_hw,
+ },
+ {
+ .id = FALCON_BOARD_SFN4111T,
+ .ref_model = "SFN4111T",
+ .gen_type = "100/1000/10GBASE-T adapter",
+ .init = sfn4111t_init,
+ .init_phy = sfn4111t_init_phy,
+ .fini = sfn4111t_fini,
+ .set_id_led = tenxpress_set_id_led,
+ .monitor = sfn4111t_check_hw,
+ },
+ {
+ .id = FALCON_BOARD_SFN4112F,
+ .ref_model = "SFN4112F",
+ .gen_type = "SFP+ adapter",
+ .init = sfn4112f_init,
+ .init_phy = sfn4112f_init_phy,
+ .fini = efx_fini_lm87,
+ .set_id_led = sfn4112f_set_id_led,
+ .monitor = sfn4112f_check_hw,
+ },
};
-static struct falcon_board falcon_dummy_board = {
+static const struct falcon_board_type falcon_dummy_board = {
.init = efx_port_dummy_op_int,
.init_phy = efx_port_dummy_op_void,
+ .fini = efx_port_dummy_op_void,
.set_id_led = efx_port_dummy_op_set_id_led,
.monitor = efx_port_dummy_op_int,
- .fini = efx_port_dummy_op_void,
};
void falcon_probe_board(struct efx_nic *efx, u16 revision_info)
{
struct falcon_board *board = falcon_board(efx);
- struct falcon_board_data *data = NULL;
+ u8 type_id = FALCON_BOARD_TYPE(revision_info);
int i;
- *board = falcon_dummy_board;
- board->type = FALCON_BOARD_TYPE(revision_info);
board->major = FALCON_BOARD_MAJOR(revision_info);
board->minor = FALCON_BOARD_MINOR(revision_info);
- for (i = 0; i < ARRAY_SIZE(board_data); i++)
- if (board_data[i].type == board->type)
- data = &board_data[i];
+ for (i = 0; i < ARRAY_SIZE(board_types); i++)
+ if (board_types[i].id == type_id)
+ board->type = &board_types[i];
- if (data) {
+ if (board->type) {
EFX_INFO(efx, "board is %s rev %c%d\n",
(efx->pci_dev->subsystem_vendor == EFX_VENDID_SFC)
- ? data->ref_model : data->gen_type,
+ ? board->type->ref_model : board->type->gen_type,
'A' + board->major, board->minor);
- board->init = data->init;
} else {
- EFX_ERR(efx, "unknown board type %d\n", board->type);
+ EFX_ERR(efx, "unknown board type %d\n", type_id);
+ board->type = &falcon_dummy_board;
}
}
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index 8208ac0..f9c354e 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -126,7 +126,7 @@ static int qt202x_reset_phy(struct efx_nic *efx)
if (rc < 0)
goto fail;
- falcon_board(efx)->init_phy(efx);
+ falcon_board(efx)->type->init_phy(efx);
return rc;
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index b001f38..a95402d 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -303,7 +303,7 @@ static int tenxpress_phy_init(struct efx_nic *efx)
u16 old_adv, adv;
int rc = 0;
- falcon_board(efx)->init_phy(efx);
+ falcon_board(efx)->type->init_phy(efx);
phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL);
if (!phy_data)
--
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.
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