ide: add IDE_DFLAG_NIEN_QUIRK device flag

Add IDE_DFLAG_NIEN_QUIRK device flag and use it instead of
drive->quirk_list.

There should be no functional changes caused by this patch.

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

diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c
index a2e9f6c..7ce68ef 100644 (file)
--- a/drivers/ide/hpt366.c
+++ b/drivers/ide/hpt366.c
@@ -727,7 +727,7 @@ static void hpt3xx_maskproc(ide_drive_t *drive, int mask)
        struct pci_dev  *dev    = to_pci_dev(hwif->dev);
        struct hpt_info *info   = hpt3xx_get_info(hwif->dev);
 
-       if (drive->quirk_list == 0)
+       if ((drive->dev_flags & IDE_DFLAG_NIEN_QUIRK) == 0)
                return;
 
        if (info->chip_type >= HPT370) {

diff --git a/drivers/ide/ide-eh.c b/drivers/ide/ide-eh.c
index 39d5892..2b91419 100644 (file)
--- a/drivers/ide/ide-eh.c
+++ b/drivers/ide/ide-eh.c
@@ -407,8 +407,9 @@ static ide_startstop_t do_reset1(ide_drive_t *drive, int do_not_try_atapi)
        /* more than enough time */
        udelay(10);
        /* clear SRST, leave nIEN (unless device is on the quirk list) */
-       tp_ops->write_devctl(hwif, (drive->quirk_list == 2 ? 0 : ATA_NIEN) |
-                            ATA_DEVCTL_OBS);
+       tp_ops->write_devctl(hwif,
+               ((drive->dev_flags & IDE_DFLAG_NIEN_QUIRK) ? 0 : ATA_NIEN) |
+                ATA_DEVCTL_OBS);
        /* more than enough time */
        udelay(10);
        hwif->poll_timeout = jiffies + WAIT_WORSTCASE;

diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 9654bd3..243cf65 100644 (file)
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -488,11 +488,15 @@ repeat:
 
                if ((hwif->host->host_flags & IDE_HFLAG_SERIALIZE) &&
                    hwif != prev_port) {
+                       ide_drive_t *cur_dev =
+                               prev_port ? prev_port->cur_dev : NULL;
+
                        /*
                         * set nIEN for previous port, drives in the
-                        * quirk_list may not like intr setups/cleanups
+                        * quirk list may not like intr setups/cleanups
                         */
-                       if (prev_port && prev_port->cur_dev->quirk_list == 0)
+                       if (cur_dev &&
+                           (cur_dev->dev_flags & IDE_DFLAG_NIEN_QUIRK) == 0)
                                prev_port->tp_ops->write_devctl(prev_port,
                                                                ATA_NIEN |
                                                                ATA_DEVCTL_OBS);

diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index c553495..fa04715 100644 (file)
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -300,11 +300,9 @@ void ide_check_nien_quirk_list(ide_drive_t *drive)
 
        for (list = nien_quirk_list; *list != NULL; list++)
                if (strstr(m, *list) != NULL) {
-                       drive->quirk_list = 2;
+                       drive->dev_flags |= IDE_DFLAG_NIEN_QUIRK;
                        return;
                }
-
-       drive->quirk_list = 0;
 }
 
 int ide_driveid_update(ide_drive_t *drive)
@@ -389,7 +387,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
 
        tp_ops->exec_command(hwif, ATA_CMD_SET_FEATURES);
 
-       if (drive->quirk_list == 2)
+       if (drive->dev_flags & IDE_DFLAG_NIEN_QUIRK)
                tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
 
        error = __ide_wait_stat(drive, drive->ready_stat,

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 6caaae0..a6c6a2f 100644 (file)
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -499,6 +499,7 @@ enum {
        /* write protect */
        IDE_DFLAG_WP                    = (1 << 29),
        IDE_DFLAG_FORMAT_IN_PROGRESS    = (1 << 30),
+       IDE_DFLAG_NIEN_QUIRK            = (1 << 31),
 };
 
 struct ide_drive_s {
@@ -530,7 +531,6 @@ struct ide_drive_s {
        u8      waiting_for_dma;        /* dma currently in progress */
        u8      dma;                    /* atapi dma flag */
 
-        u8     quirk_list;     /* considered quirky, set for a specific host */
         u8     init_speed;     /* transfer rate set at boot */
         u8     current_speed;  /* current transfer rate set */
        u8      desired_speed;  /* desired transfer rate set */