ide: skip "VLB sync" if host uses MMIO

* Skip "VLB sync" in ata_{in,out}put_data() if host uses MMIO.

* Use I/O ops directly in ata_vlb_sync() an drop no longer needed
  'ide_drive_t *drive' argument.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 10 insertions, 10 deletions

diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index daa23b19440e..60e3048a25f1 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -227,11 +227,11 @@ static void ide_tf_read(ide_drive_t *drive, ide_task_t *task)
  * of the sector count register location, with interrupts disabled
  * to ensure that the reads all happen together.
  */
-static void ata_vlb_sync(ide_drive_t *drive, unsigned long port)
+static void ata_vlb_sync(unsigned long port)
 {
-        (void) HWIF(drive)->INB(port);
-        (void) HWIF(drive)->INB(port);
-        (void) HWIF(drive)->INB(port);
+        (void)inb(port);
+        (void)inb(port);
+        (void)inb(port);
 }
 
 /*
@@ -255,9 +255,9 @@ static void ata_input_data(ide_drive_t *drive, struct request *rq,
         if (io_32bit) {
                 unsigned long uninitialized_var(flags);
 
-                if (io_32bit & 2) {
+                if ((io_32bit & 2) && !mmio) {
                         local_irq_save(flags);
-                        ata_vlb_sync(drive, io_ports->nsect_addr);
+                        ata_vlb_sync(io_ports->nsect_addr);
                 }
 
                 if (mmio)
@@ -265,7 +265,7 @@ static void ata_input_data(ide_drive_t *drive, struct request *rq,
                 else
                         insl(data_addr, buf, len / 4);
 
-                if (io_32bit & 2)
+                if ((io_32bit & 2) && !mmio)
                         local_irq_restore(flags);
 
                 if ((len & 3) >= 2) {
@@ -298,9 +298,9 @@ static void ata_output_data(ide_drive_t *drive, struct request *rq,
         if (io_32bit) {
                 unsigned long uninitialized_var(flags);
 
-                if (io_32bit & 2) {
+                if ((io_32bit & 2) && !mmio) {
                         local_irq_save(flags);
-                        ata_vlb_sync(drive, io_ports->nsect_addr);
+                        ata_vlb_sync(io_ports->nsect_addr);
                 }
 
                 if (mmio)
@@ -308,7 +308,7 @@ static void ata_output_data(ide_drive_t *drive, struct request *rq,
                 else
                         outsl(data_addr, buf, len / 4);
 
-                if (io_32bit & 2)
+                if ((io_32bit & 2) && !mmio)
                         local_irq_restore(flags);
 
                 if ((len & 3) >= 2) {