[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>
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index b0b0a69..bac36d5 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -95,7 +95,7 @@
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 @@
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: