[2/4] PCI: pciehp: Switch LED indicators with a single write
diff mbox series

Message ID 20190811132945.12426-3-efremov@linux.com
State Superseded
Delegated to: Bjorn Helgaas
Headers show
Series
  • Simplify PCIe hotplug indicator control
Related show

Commit Message

Denis Efremov Aug. 11, 2019, 1:29 p.m. UTC
This patch replaces all consecutive switches of power and attention
indicators with pciehp_set_indicators() call. Thus, performing only
single write to a register.

Signed-off-by: Denis Efremov <efremov@linux.com>
---
 drivers/pci/hotplug/pciehp_ctrl.c | 14 +++++---------
 drivers/pci/hotplug/pciehp_hpc.c  |  3 +--
 2 files changed, 6 insertions(+), 11 deletions(-)

Comments

Lukas Wunner Aug. 11, 2019, 4:11 p.m. UTC | #1
On Sun, Aug 11, 2019 at 04:29:43PM +0300, Denis Efremov wrote:
> This patch replaces all consecutive switches of power and attention
> indicators with pciehp_set_indicators() call. Thus, performing only
> single write to a register.
> 
> Signed-off-by: Denis Efremov <efremov@linux.com>

Reviewed-by: Lukas Wunner <lukas@wunner.de>

Patch
diff mbox series

diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 631ced0ab28a..258a4060466d 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -42,8 +42,7 @@  static void set_slot_off(struct controller *ctrl)
 		msleep(1000);
 	}
 
-	pciehp_green_led_off(ctrl);
-	pciehp_set_attention_status(ctrl, 1);
+	pciehp_set_indicators(ctrl, PWR_OFF, ATTN_ON);
 }
 
 /**
@@ -90,8 +89,7 @@  static int board_added(struct controller *ctrl)
 		}
 	}
 
-	pciehp_green_led_on(ctrl);
-	pciehp_set_attention_status(ctrl, 0);
+	pciehp_set_indicators(ctrl, PWR_ON, ATTN_OFF);
 	return 0;
 
 err_exit:
@@ -172,8 +170,7 @@  void pciehp_handle_button_press(struct controller *ctrl)
 				  slot_name(ctrl));
 		}
 		/* blink green LED and turn off amber */
-		pciehp_green_led_blink(ctrl);
-		pciehp_set_attention_status(ctrl, 0);
+		pciehp_set_indicators(ctrl, PWR_BLINK, ATTN_OFF);
 		schedule_delayed_work(&ctrl->button_work, 5 * HZ);
 		break;
 	case BLINKINGOFF_STATE:
@@ -187,12 +184,11 @@  void pciehp_handle_button_press(struct controller *ctrl)
 		cancel_delayed_work(&ctrl->button_work);
 		if (ctrl->state == BLINKINGOFF_STATE) {
 			ctrl->state = ON_STATE;
-			pciehp_green_led_on(ctrl);
+			pciehp_set_indicators(ctrl, PWR_ON, ATTN_OFF);
 		} else {
 			ctrl->state = OFF_STATE;
-			pciehp_green_led_off(ctrl);
+			pciehp_set_indicators(ctrl, PWR_OFF, ATTN_OFF);
 		}
-		pciehp_set_attention_status(ctrl, 0);
 		ctrl_info(ctrl, "Slot(%s): Action canceled due to button press\n",
 			  slot_name(ctrl));
 		break;
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 027e3864f632..e90cb2152e8f 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -687,8 +687,7 @@  static irqreturn_t pciehp_ist(int irq, void *dev_id)
 	if ((events & PCI_EXP_SLTSTA_PFD) && !ctrl->power_fault_detected) {
 		ctrl->power_fault_detected = 1;
 		ctrl_err(ctrl, "Slot(%s): Power fault\n", slot_name(ctrl));
-		pciehp_set_attention_status(ctrl, 1);
-		pciehp_green_led_off(ctrl);
+		pciehp_set_indicators(ctrl, PWR_OFF, ATTN_ON);
 	}
 
 	/*