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Commit 39e0ee99 authored by Suman Tripathi's avatar Suman Tripathi Committed by Tejun Heo
Browse files

libahci: export ahci_qc_issue() and ahci_start_fix_rx() 



The subsequent patch will make use of them.

Signed-off-by: default avatarLoc Ho <lho@apm.com>
Signed-off-by: default avatarSuman Tripathi <stripathi@apm.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent f118ae59

drivers/ata/ahci.h

+2 −0
Original line number Diff line number Diff line
@@ -371,7 +371,9 @@ int ahci_do_softreset(struct ata_link *link, unsigned int *class, 
		      int pmp, unsigned long deadline,

		      int (*check_ready)(struct ata_link *link));



unsigned int ahci_qc_issue(struct ata_queued_cmd *qc);

int ahci_stop_engine(struct ata_port *ap);

void ahci_start_fis_rx(struct ata_port *ap);

void ahci_start_engine(struct ata_port *ap);

int ahci_check_ready(struct ata_link *link);

int ahci_kick_engine(struct ata_port *ap);

drivers/ata/libahci.c

+4 −3
Original line number Diff line number Diff line
@@ -68,7 +68,6 @@ static ssize_t ahci_transmit_led_message(struct ata_port *ap, u32 state, 


static int ahci_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val);

static int ahci_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);

static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc);

static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc);

static int ahci_port_start(struct ata_port *ap);

static void ahci_port_stop(struct ata_port *ap);
@@ -620,7 +619,7 @@ int ahci_stop_engine(struct ata_port *ap) 
}

EXPORT_SYMBOL_GPL(ahci_stop_engine);



static void ahci_start_fis_rx(struct ata_port *ap)

void ahci_start_fis_rx(struct ata_port *ap)

{

	void __iomem *port_mmio = ahci_port_base(ap);

	struct ahci_host_priv *hpriv = ap->host->private_data;
@@ -646,6 +645,7 @@ static void ahci_start_fis_rx(struct ata_port *ap) 
	/* flush */

	readl(port_mmio + PORT_CMD);

}

EXPORT_SYMBOL_GPL(ahci_start_fis_rx);



static int ahci_stop_fis_rx(struct ata_port *ap)

{
@@ -1945,7 +1945,7 @@ irqreturn_t ahci_interrupt(int irq, void *dev_instance) 
}

EXPORT_SYMBOL_GPL(ahci_interrupt);



static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)

unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)

{

	struct ata_port *ap = qc->ap;

	void __iomem *port_mmio = ahci_port_base(ap);
@@ -1974,6 +1974,7 @@ static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc) 


	return 0;

}

EXPORT_SYMBOL_GPL(ahci_qc_issue);



static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc)

{