ahci: make ahci_transmit_led_message into a function pointer
Create a new ata_port_operations function pointer called
transmit_led_message and give it the default value of
ahci_transmit_led_message. This allows AHCI controllers with
non-standard LED interfaces to use the existing em_ interface.
Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 3797a7b..64c3f1f 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -173,6 +173,7 @@
.em_store = ahci_led_store,
.sw_activity_show = ahci_activity_show,
.sw_activity_store = ahci_activity_store,
+ .transmit_led_message = ahci_transmit_led_message,
#ifdef CONFIG_PM
.port_suspend = ahci_port_suspend,
.port_resume = ahci_port_resume,
@@ -774,7 +775,7 @@
/* EM Transmit bit maybe busy during init */
for (i = 0; i < EM_MAX_RETRY; i++) {
- rc = ahci_transmit_led_message(ap,
+ rc = ap->ops->transmit_led_message(ap,
emp->led_state,
4);
if (rc == -EBUSY)
@@ -915,7 +916,7 @@
led_message |= (1 << 16);
}
spin_unlock_irqrestore(ap->lock, flags);
- ahci_transmit_led_message(ap, led_message, 4);
+ ap->ops->transmit_led_message(ap, led_message, 4);
}
static void ahci_init_sw_activity(struct ata_link *link)
@@ -1044,7 +1045,7 @@
if (emp->blink_policy)
state &= ~EM_MSG_LED_VALUE_ACTIVITY;
- return ahci_transmit_led_message(ap, state, size);
+ return ap->ops->transmit_led_message(ap, state, size);
}
static ssize_t ahci_activity_store(struct ata_device *dev, enum sw_activity val)
@@ -1063,7 +1064,7 @@
/* set the LED to OFF */
port_led_state &= EM_MSG_LED_VALUE_OFF;
port_led_state |= (ap->port_no | (link->pmp << 8));
- ahci_transmit_led_message(ap, port_led_state, 4);
+ ap->ops->transmit_led_message(ap, port_led_state, 4);
} else {
link->flags |= ATA_LFLAG_SW_ACTIVITY;
if (val == BLINK_OFF) {
@@ -1071,7 +1072,7 @@
port_led_state &= EM_MSG_LED_VALUE_OFF;
port_led_state |= (ap->port_no | (link->pmp << 8));
port_led_state |= EM_MSG_LED_VALUE_ON; /* check this */
- ahci_transmit_led_message(ap, port_led_state, 4);
+ ap->ops->transmit_led_message(ap, port_led_state, 4);
}
}
emp->blink_policy = val;