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-rw-r--r--drivers/pci/hotplug/pciehp_core.c55
-rw-r--r--drivers/pci/hotplug/pciehp_ctrl.c30
-rw-r--r--drivers/pci/hotplug/pciehp_hpc.c29
3 files changed, 22 insertions, 92 deletions
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 77feafd39e2..d19f87594df 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -135,15 +135,9 @@ static int init_slot(struct controller *ctrl)
ctrl->pcie->port->subordinate->number, PSN(ctrl));
retval = pci_hp_register(hotplug,
ctrl->pcie->port->subordinate, 0, name);
- if (retval) {
+ if (retval)
ctrl_err(ctrl,
"pci_hp_register failed with error %d\n", retval);
- goto out;
- }
- get_power_status(hotplug, &info->power_status);
- get_attention_status(hotplug, &info->attention_status);
- get_latch_status(hotplug, &info->latch_status);
- get_adapter_status(hotplug, &info->adapter_status);
out:
if (retval) {
kfree(ops);
@@ -168,10 +162,7 @@ static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- hotplug_slot->info->attention_status = status;
- pciehp_set_attention_status(slot, status);
-
- return 0;
+ return pciehp_set_attention_status(slot, status);
}
@@ -199,92 +190,62 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_power_status(slot, value);
- if (retval < 0)
- *value = hotplug_slot->info->power_status;
-
- return 0;
+ return pciehp_get_power_status(slot, value);
}
static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_attention_status(slot, value);
- if (retval < 0)
- *value = hotplug_slot->info->attention_status;
-
- return 0;
+ return pciehp_get_attention_status(slot, value);
}
static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_latch_status(slot, value);
- if (retval < 0)
- *value = hotplug_slot->info->latch_status;
-
- return 0;
+ return pciehp_get_latch_status(slot, value);
}
static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_adapter_status(slot, value);
- if (retval < 0)
- *value = hotplug_slot->info->adapter_status;
-
- return 0;
+ return pciehp_get_adapter_status(slot, value);
}
static int get_max_bus_speed(struct hotplug_slot *hotplug_slot,
enum pci_bus_speed *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_max_link_speed(slot, value);
- if (retval < 0)
- *value = PCI_SPEED_UNKNOWN;
-
- return 0;
+ return pciehp_get_max_link_speed(slot, value);
}
static int get_cur_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_cur_link_speed(slot, value);
- if (retval < 0)
- *value = PCI_SPEED_UNKNOWN;
-
- return 0;
+ return pciehp_get_cur_link_speed(slot, value);
}
static int pciehp_probe(struct pcie_device *dev)
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 84487d126e4..15ce2a3cc0f 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -363,25 +363,6 @@ void pciehp_queue_pushbutton_work(struct work_struct *work)
mutex_unlock(&p_slot->lock);
}
-static int update_slot_info(struct slot *slot)
-{
- struct hotplug_slot_info *info;
- int result;
-
- info = kmalloc(sizeof(*info), GFP_KERNEL);
- if (!info)
- return -ENOMEM;
-
- pciehp_get_power_status(slot, &info->power_status);
- pciehp_get_attention_status(slot, &info->attention_status);
- pciehp_get_latch_status(slot, &info->latch_status);
- pciehp_get_adapter_status(slot, &info->adapter_status);
-
- result = pci_hp_change_slot_info(slot->hotplug_slot, info);
- kfree (info);
- return result;
-}
-
/*
* Note: This function must be called with slot->lock held
*/
@@ -442,7 +423,6 @@ static void handle_button_press_event(struct slot *p_slot)
* to hot-add or hot-remove is undergoing
*/
ctrl_info(ctrl, "Button ignore on Slot(%s)\n", slot_name(p_slot));
- update_slot_info(p_slot);
break;
default:
ctrl_warn(ctrl, "Not a valid state\n");
@@ -500,11 +480,9 @@ static void interrupt_event_handler(struct work_struct *work)
if (!HP_SUPR_RM(ctrl))
break;
ctrl_dbg(ctrl, "Surprise Removal\n");
- update_slot_info(p_slot);
handle_surprise_event(p_slot);
break;
default:
- update_slot_info(p_slot);
break;
}
mutex_unlock(&p_slot->lock);
@@ -547,9 +525,6 @@ int pciehp_enable_slot(struct slot *p_slot)
if (rc) {
pciehp_get_latch_status(p_slot, &getstatus);
}
-
- update_slot_info(p_slot);
-
return rc;
}
@@ -590,10 +565,7 @@ int pciehp_disable_slot(struct slot *p_slot)
}
}
- ret = remove_board(p_slot);
- update_slot_info(p_slot);
-
- return ret;
+ return remove_board(p_slot);
}
int pciehp_sysfs_enable_slot(struct slot *p_slot)
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 88b654ec5af..7f35aff2236 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -427,27 +427,24 @@ int pciehp_set_attention_status(struct slot *slot, u8 value)
struct controller *ctrl = slot->ctrl;
u16 slot_cmd;
u16 cmd_mask;
- int rc;
cmd_mask = PCI_EXP_SLTCTL_AIC;
switch (value) {
- case 0 : /* turn off */
- slot_cmd = 0x00C0;
- break;
- case 1: /* turn on */
- slot_cmd = 0x0040;
- break;
- case 2: /* turn blink */
- slot_cmd = 0x0080;
- break;
- default:
- return -1;
- }
- rc = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
+ case 0 : /* turn off */
+ slot_cmd = 0x00C0;
+ break;
+ case 1: /* turn on */
+ slot_cmd = 0x0040;
+ break;
+ case 2: /* turn blink */
+ slot_cmd = 0x0080;
+ break;
+ default:
+ return -EINVAL;
+ }
ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
__func__, ctrl->cap_base + PCI_EXP_SLTCTL, slot_cmd);
-
- return rc;
+ return pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
}
void pciehp_green_led_on(struct slot *slot)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-18 20:24:23 +0000