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path: root/drivers/pci/hotplug
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Diffstat (limited to 'drivers/pci/hotplug')
-rw-r--r--drivers/pci/hotplug/pciehp.h101
-rw-r--r--drivers/pci/hotplug/pciehp_core.c2
-rw-r--r--drivers/pci/hotplug/pciehp_ctrl.c6
3 files changed, 42 insertions, 67 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index b505515a07a..e4524cf0242 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -44,11 +44,17 @@ extern int pciehp_poll_time;
extern int pciehp_debug;
extern int pciehp_force;
-/*#define dbg(format, arg...) do { if (pciehp_debug) printk(KERN_DEBUG "%s: " format, MY_NAME , ## arg); } while (0)*/
-#define dbg(format, arg...) do { if (pciehp_debug) printk("%s: " format, MY_NAME , ## arg); } while (0)
-#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
+#define dbg(format, arg...) \
+ do { \
+ if (pciehp_debug) \
+ printk("%s: " format, MY_NAME , ## arg); \
+ } while (0)
+#define err(format, arg...) \
+ printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
+#define info(format, arg...) \
+ printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
+#define warn(format, arg...) \
+ printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
#define SLOT_NAME_SIZE 10
struct slot {
@@ -113,8 +119,6 @@ struct controller {
#define POWERON_STATE 3
#define POWEROFF_STATE 4
-#define PCI_TO_PCI_BRIDGE_CLASS 0x00060400
-
/* Error messages */
#define INTERLOCK_OPEN 0x00000002
#define ADD_NOT_SUPPORTED 0x00000003
@@ -126,10 +130,6 @@ struct controller {
#define WRONG_BUS_FREQUENCY 0x0000000D
#define POWER_FAILURE 0x0000000E
-#define REMOVE_NOT_SUPPORTED 0x00000003
-
-#define DISABLE_CARD 1
-
/* Field definitions in Slot Capabilities Register */
#define ATTN_BUTTN_PRSN 0x00000001
#define PWR_CTRL_PRSN 0x00000002
@@ -145,38 +145,21 @@ struct controller {
#define PWR_LED(cap) (cap & PWR_LED_PRSN)
#define HP_SUPR_RM(cap) (cap & HP_SUPR_RM_SUP)
-/*
- * error Messages
- */
-#define msg_initialization_err "Initialization failure, error=%d\n"
-#define msg_button_on "PCI slot #%s - powering on due to button press.\n"
-#define msg_button_off "PCI slot #%s - powering off due to button press.\n"
-#define msg_button_cancel "PCI slot #%s - action canceled due to button press.\n"
-#define msg_button_ignore "PCI slot #%s - button press ignored. (action in progress...)\n"
-
-/* controller functions */
-extern int pciehp_event_start_thread (void);
-extern void pciehp_event_stop_thread (void);
-extern int pciehp_enable_slot (struct slot *slot);
-extern int pciehp_disable_slot (struct slot *slot);
-
+extern int pciehp_event_start_thread(void);
+extern void pciehp_event_stop_thread(void);
+extern int pciehp_enable_slot(struct slot *slot);
+extern int pciehp_disable_slot(struct slot *slot);
extern u8 pciehp_handle_attention_button(u8 hp_slot, struct controller *ctrl);
extern u8 pciehp_handle_switch_change(u8 hp_slot, struct controller *ctrl);
extern u8 pciehp_handle_presence_change(u8 hp_slot, struct controller *ctrl);
extern u8 pciehp_handle_power_fault(u8 hp_slot, struct controller *ctrl);
-/* extern void long_delay (int delay); */
-
-/* pci functions */
-extern int pciehp_configure_device (struct slot *p_slot);
-extern int pciehp_unconfigure_device (struct slot *p_slot);
-
-
+extern int pciehp_configure_device(struct slot *p_slot);
+extern int pciehp_unconfigure_device(struct slot *p_slot);
+int pcie_init(struct controller *ctrl, struct pcie_device *dev);
/* Global variables */
extern struct controller *pciehp_ctrl_list;
-/* Inline functions */
-
static inline struct slot *pciehp_find_slot(struct controller *ctrl, u8 device)
{
struct slot *slot;
@@ -192,8 +175,6 @@ static inline struct slot *pciehp_find_slot(struct controller *ctrl, u8 device)
static inline int wait_for_ctrl_irq(struct controller *ctrl)
{
- int retval = 0;
-
DECLARE_WAITQUEUE(wait, current);
add_wait_queue(&ctrl->queue, &wait);
@@ -205,44 +186,38 @@ static inline int wait_for_ctrl_irq(struct controller *ctrl)
remove_wait_queue(&ctrl->queue, &wait);
if (signal_pending(current))
- retval = -EINTR;
+ return -EINTR;
- return retval;
+ return 0;
}
-int pcie_init(struct controller *ctrl, struct pcie_device *dev);
-
struct hpc_ops {
- int (*power_on_slot) (struct slot *slot);
- int (*power_off_slot) (struct slot *slot);
- int (*get_power_status) (struct slot *slot, u8 *status);
- int (*get_attention_status) (struct slot *slot, u8 *status);
- int (*set_attention_status) (struct slot *slot, u8 status);
- int (*get_latch_status) (struct slot *slot, u8 *status);
- int (*get_adapter_status) (struct slot *slot, u8 *status);
-
- int (*get_max_bus_speed) (struct slot *slot, enum pci_bus_speed *speed);
- int (*get_cur_bus_speed) (struct slot *slot, enum pci_bus_speed *speed);
-
- int (*get_max_lnk_width) (struct slot *slot, enum pcie_link_width *value);
- int (*get_cur_lnk_width) (struct slot *slot, enum pcie_link_width *value);
-
- int (*query_power_fault) (struct slot *slot);
- void (*green_led_on) (struct slot *slot);
- void (*green_led_off) (struct slot *slot);
- void (*green_led_blink) (struct slot *slot);
- void (*release_ctlr) (struct controller *ctrl);
- int (*check_lnk_status) (struct controller *ctrl);
+ int (*power_on_slot)(struct slot *slot);
+ int (*power_off_slot)(struct slot *slot);
+ int (*get_power_status)(struct slot *slot, u8 *status);
+ int (*get_attention_status)(struct slot *slot, u8 *status);
+ int (*set_attention_status)(struct slot *slot, u8 status);
+ int (*get_latch_status)(struct slot *slot, u8 *status);
+ int (*get_adapter_status)(struct slot *slot, u8 *status);
+ int (*get_max_bus_speed)(struct slot *slot, enum pci_bus_speed *speed);
+ int (*get_cur_bus_speed)(struct slot *slot, enum pci_bus_speed *speed);
+ int (*get_max_lnk_width)(struct slot *slot, enum pcie_link_width *val);
+ int (*get_cur_lnk_width)(struct slot *slot, enum pcie_link_width *val);
+ int (*query_power_fault)(struct slot *slot);
+ void (*green_led_on)(struct slot *slot);
+ void (*green_led_off)(struct slot *slot);
+ void (*green_led_blink)(struct slot *slot);
+ void (*release_ctlr)(struct controller *ctrl);
+ int (*check_lnk_status)(struct controller *ctrl);
};
-
#ifdef CONFIG_ACPI
#include <acpi/acpi.h>
#include <acpi/acpi_bus.h>
#include <acpi/actypes.h>
#include <linux/pci-acpi.h>
-#define pciehp_get_hp_hw_control_from_firmware(dev) \
+#define pciehp_get_hp_hw_control_from_firmware(dev) \
pciehp_acpi_get_hp_hw_control_from_firmware(dev)
static inline int pciehp_get_hp_params_from_firmware(struct pci_dev *dev,
struct hotplug_params *hpp)
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index b617613381d..e2d45662bdb 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -357,7 +357,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
/* Setup the slot information structures */
rc = init_slots(ctrl);
if (rc) {
- err(msg_initialization_err, 6);
+ err("%s: slot initialization failed\n", PCIE_MODULE_NAME);
goto err_out_release_ctlr;
}
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 5bca9212f5e..072befa345a 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -655,7 +655,7 @@ static void interrupt_event_handler(struct controller *ctrl)
warn("Not a valid state\n");
return;
}
- info(msg_button_cancel, slot_name(p_slot));
+ info("PCI slot #%s - action canceled due to button press.\n", slot_name(p_slot));
p_slot->state = STATIC_STATE;
}
/* ***********Button Pressed (No action on 1st press...) */
@@ -668,12 +668,12 @@ static void interrupt_event_handler(struct controller *ctrl)
/* slot is on */
dbg("slot is on\n");
p_slot->state = BLINKINGOFF_STATE;
- info(msg_button_off, slot_name(p_slot));
+ info("PCI slot #%s - powering off due to button press.\n", slot_name(p_slot));
} else {
/* slot is off */
dbg("slot is off\n");
p_slot->state = BLINKINGON_STATE;
- info(msg_button_on, slot_name(p_slot));
+ info("PCI slot #%s - powering on due to button press.\n", slot_name(p_slot));
}
/* Wait for exclusive access to hardware */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 21:51:29 +0000