ide: always set nIEN on idle devices

* Set nIEN for previous port/device in ide_do_request()
  also if port uses a non-shared IRQ.

* Remove no longer needed ide_hwif_t.sharing_irq.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

3 files changed, 2 insertions, 5 deletions

diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index ca51460af756..f776bd475010 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -1003,7 +1003,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
                 }
         again:
                 hwif = HWIF(drive);
-                if (hwgroup->hwif->sharing_irq && hwif != hwgroup->hwif) {
+                if (hwif != hwgroup->hwif) {
                         /*
                          * set nIEN for previous hwif, drives in the
                          * quirk_list may not like intr setups/cleanups
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index a0eb72e2a026..81f61e8ea97f 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1060,7 +1060,6 @@ static int init_irq (ide_hwif_t *hwif)
 
                 if (h && h->hwgroup) {  /* scan only initialized ports */
                         if (hwif->irq == h->irq) {
-                                hwif->sharing_irq = h->sharing_irq = 1;
                                 if (hwif->chipset != ide_pci ||
                                     h->chipset != ide_pci) {
                                         save_match(hwif, h, &match);
@@ -1152,8 +1151,7 @@ static int init_irq (ide_hwif_t *hwif)
                 io_ports->data_addr, hwif->irq);
 #endif /* __mc68000__ */
         if (match)
-                printk(KERN_CONT " (%sed with %s)",
-                        hwif->sharing_irq ? "shar" : "serializ", match->name);
+                printk(KERN_CONT " (serialized with %s)", match->name);
         printk(KERN_CONT "\n");
 
         mutex_unlock(&ide_cfg_mtx);
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 150e42311ee0..1d28006aec68 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -842,7 +842,6 @@ typedef struct hwif_s {
 
         unsigned        present    : 1; /* this interface exists */
         unsigned        serialized : 1; /* serialized all channel operation */
-        unsigned        sharing_irq: 1; /* 1 = sharing irq with another hwif */
         unsigned        sg_mapped  : 1; /* sg_table and sg_nents are ready */
 
         struct device           gendev;