diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 5d16fc4fa46c7855a835434112c6801bc2587098..cc9b9f7b5d826cd9c3a7cb987ba484ac63b3373c 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -46,6 +46,22 @@ config ATA_VERBOSE_ERROR
 
 	  If unsure, say Y.
 
+config ARCH_WANT_LIBATA_LEDS
+	bool
+
+config ATA_LEDS
+	bool "support ATA port LED triggers"
+	depends on ARCH_WANT_LIBATA_LEDS
+	select NEW_LEDS
+	select LEDS_CLASS
+	select LEDS_TRIGGERS
+	default y
+	help
+	  This option adds a LED trigger for each registered ATA port.
+	  It is used to drive disk activity leds connected via GPIO.
+
+	  If unsure, say N.
+
 config ATA_ACPI
 	bool "ATA ACPI Support"
 	depends on ACPI
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 0e2c0ac5792db715b10ebc69a16a17445e8edcbb..a3b7438335ca0f3ddb03d31702e2787c801e1346 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -731,6 +731,19 @@ u64 ata_tf_read_block(const struct ata_taskfile *tf, struct ata_device *dev)
 	return block;
 }
 
+#ifdef CONFIG_ATA_LEDS
+#define LIBATA_BLINK_DELAY 20 /* ms */
+static inline void ata_led_act(struct ata_port *ap)
+{
+	unsigned long led_delay = LIBATA_BLINK_DELAY;
+
+	if (unlikely(!ap->ledtrig))
+		return;
+
+	led_trigger_blink_oneshot(ap->ledtrig, &led_delay, &led_delay, 0);
+}
+#endif
+
 /**
  *	ata_build_rw_tf - Build ATA taskfile for given read/write request
  *	@tf: Target ATA taskfile
@@ -4994,6 +5007,9 @@ struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev, int tag)
 		if (tag < 0)
 			return NULL;
 	}
+#ifdef CONFIG_ATA_LEDS
+	ata_led_act(ap);
+#endif
 
 	qc = __ata_qc_from_tag(ap, tag);
 	qc->tag = tag;
@@ -5894,6 +5910,9 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
 #ifdef ATA_IRQ_TRAP
 	ap->stats.unhandled_irq = 1;
 	ap->stats.idle_irq = 1;
+#endif
+#ifdef CONFIG_ATA_LEDS
+	ap->ledtrig = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
 #endif
 	ata_sff_port_init(ap);
 
@@ -5916,6 +5935,12 @@ static void ata_host_release(struct device *gendev, void *res)
 
 		kfree(ap->pmp_link);
 		kfree(ap->slave_link);
+#ifdef CONFIG_ATA_LEDS
+		if (ap->ledtrig) {
+			led_trigger_unregister(ap->ledtrig);
+			kfree(ap->ledtrig);
+		};
+#endif
 		kfree(ap);
 		host->ports[i] = NULL;
 	}
@@ -6362,7 +6387,23 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht)
 		host->ports[i]->print_id = atomic_inc_return(&ata_print_id);
 		host->ports[i]->local_port_no = i + 1;
 	}
+#ifdef CONFIG_ATA_LEDS
+	for (i = 0; i < host->n_ports; i++) {
+		if (unlikely(!host->ports[i]->ledtrig))
+			continue;
+
+		snprintf(host->ports[i]->ledtrig_name,
+			sizeof(host->ports[i]->ledtrig_name), "ata%u",
+			host->ports[i]->print_id);
 
+		host->ports[i]->ledtrig->name = host->ports[i]->ledtrig_name;
+
+		if (led_trigger_register(host->ports[i]->ledtrig)) {
+			kfree(host->ports[i]->ledtrig);
+			host->ports[i]->ledtrig = NULL;
+		}
+	}
+#endif
 	/* Create associated sysfs transport objects  */
 	for (i = 0; i < host->n_ports; i++) {
 		rc = ata_tport_add(host->dev,host->ports[i]);
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 616eef4d81ea38af48cf809ecdbc2a721aff4640..29ef0938ce943825100d7bd9fa42559884e420de 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -38,6 +38,9 @@
 #include <linux/acpi.h>
 #include <linux/cdrom.h>
 #include <linux/sched.h>
+#ifdef CONFIG_ATA_LEDS
+#include <linux/leds.h>
+#endif
 
 /*
  * Define if arch has non-standard setup.  This is a _PCI_ standard
@@ -883,6 +886,12 @@ struct ata_port {
 #ifdef CONFIG_ATA_ACPI
 	struct ata_acpi_gtm	__acpi_init_gtm; /* use ata_acpi_init_gtm() */
 #endif
+
+#ifdef CONFIG_ATA_LEDS
+	struct led_trigger	*ledtrig;
+	char			ledtrig_name[8];
+#endif
+
 	/* owned by EH */
 	u8			sector_buf[ATA_SECT_SIZE] ____cacheline_aligned;
 };