ap->[last_]ctl are specific to SFF controllers. Put them inside
CONFIG_ATA_SFF and move initialization into ata_sff_port_init().
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
---
drivers/ata/libata-core.c | 2 --
drivers/ata/libata-sff.c | 2 ++
include/linux/libata.h | 8 ++++++--
3 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 200f49d..bf6ffc1 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5634,10 +5634,8 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
ap->pflags |= ATA_PFLAG_INITIALIZING;
ap->lock = &host->lock;
ap->print_id = -1;
- ap->ctl = ATA_DEVCTL_OBS;
ap->host = host;
ap->dev = host->dev;
- ap->last_ctl = 0xFF;
#if defined(ATA_VERBOSE_DEBUG)
/* turn on all debugging levels */
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 9effce9..0d55440 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -3054,6 +3054,8 @@ EXPORT_SYMBOL_GPL(ata_pci_bmdma_init);
*/
void ata_sff_port_init(struct ata_port *ap)
{
+ ap->ctl = ATA_DEVCTL_OBS;
+ ap->last_ctl = 0xFF;
}
int __init ata_sff_init(void)
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 3c451ab..88c4cc9 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -721,10 +721,10 @@ struct ata_port {
#ifdef CONFIG_ATA_SFF
struct ata_ioports ioaddr; /* ATA cmd/ctl/dma register blocks */
-#endif /* CONFIG_ATA_SFF */
-
u8 ctl; /* cache of ATA control register */
u8 last_ctl; /* Cache last written value */
+#endif /* CONFIG_ATA_SFF */
+
unsigned int pio_mask;
unsigned int mwdma_mask;
unsigned int udma_mask;
@@ -1434,7 +1434,11 @@ static inline void ata_tf_init(struct ata_device *dev, struct ata_taskfile *tf)
{
memset(tf, 0, sizeof(*tf));
+#ifdef CONFIG_ATA_SFF
tf->ctl = dev->link->ap->ctl;
+#else
+ tf->ctl = ATA_DEVCTL_OBS;
+#endif
if (dev->devno == 0)
tf->device = ATA_DEVICE_OBS;
else
--
1.6.4.2
--
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