[PATCH] libata: return AC_ERR_* from issue functions

Return AC_ERR_* mask from issue fuctions instead of 0/-1.  This
enables things like failing a qc with AC_ERR_HSM when the device
doesn't set DRDY when the qc is about to be issued.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Tejun Heo
2006-01-23 13:09:36 +09:00
committed by Jeff Garzik
parent 11a56d2439
commit 9a3d9eb017
11 changed files with 29 additions and 32 deletions

View File

@@ -95,7 +95,7 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc);
static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static void pdc_irq_clear(struct ata_port *ap);
static int pdc_qc_issue_prot(struct ata_queued_cmd *qc);
static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc);
static struct scsi_host_template pdc_ata_sht = {
@@ -544,7 +544,7 @@ static inline void pdc_packet_start(struct ata_queued_cmd *qc)
readl((void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */
}
static int pdc_qc_issue_prot(struct ata_queued_cmd *qc)
static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc)
{
switch (qc->tf.protocol) {
case ATA_PROT_DMA: