ide-cd: remove needless zeroing of 'info' fields from ide_cdrom_setup()

ide_cd_probe() zeroes 'info' prior to calling ide_cdrom_setup() so there
is no need to explicitly zero 'info' fields in the latter function.

Ditto for fields of CDROM_STATE_FLAGS(), CDROM_CONFIG_FLAGS() and 'cdi'
(all are embedded in 'info').

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

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index bec6ac0..cd3ea32 100644 (file)
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -2865,30 +2865,16 @@ int ide_cdrom_setup (ide_drive_t *drive)
        drive->special.all      = 0;
 
        CDROM_STATE_FLAGS(drive)->media_changed = 1;
-       CDROM_STATE_FLAGS(drive)->toc_valid     = 0;
-       CDROM_STATE_FLAGS(drive)->door_locked   = 0;
 
 #if NO_DOOR_LOCKING
        CDROM_CONFIG_FLAGS(drive)->no_doorlock = 1;
-#else
-       CDROM_CONFIG_FLAGS(drive)->no_doorlock = 0;
 #endif
-
-       CDROM_CONFIG_FLAGS(drive)->drq_interrupt = ((drive->id->config & 0x0060) == 0x20);
-       CDROM_CONFIG_FLAGS(drive)->is_changer = 0;
-       CDROM_CONFIG_FLAGS(drive)->cd_r = 0;
-       CDROM_CONFIG_FLAGS(drive)->cd_rw = 0;
-       CDROM_CONFIG_FLAGS(drive)->test_write = 0;
-       CDROM_CONFIG_FLAGS(drive)->dvd = 0;
-       CDROM_CONFIG_FLAGS(drive)->dvd_r = 0;
-       CDROM_CONFIG_FLAGS(drive)->dvd_ram = 0;
+       if ((drive->id->config & 0x0060) == 0x20)
+               CDROM_CONFIG_FLAGS(drive)->drq_interrupt = 1;
        CDROM_CONFIG_FLAGS(drive)->no_eject = 1;
-       CDROM_CONFIG_FLAGS(drive)->supp_disc_present = 0;
-       CDROM_CONFIG_FLAGS(drive)->audio_play = 0;
        CDROM_CONFIG_FLAGS(drive)->close_tray = 1;
-       
+
        /* limit transfer size per interrupt. */
-       CDROM_CONFIG_FLAGS(drive)->limit_nframes = 0;
        /* a testament to the nice quality of Samsung drives... */
        if (!strcmp(drive->id->model, "SAMSUNG CD-ROM SCR-2430"))
                CDROM_CONFIG_FLAGS(drive)->limit_nframes = 1;
@@ -2899,16 +2885,6 @@ int ide_cdrom_setup (ide_drive_t *drive)
                CDROM_CONFIG_FLAGS(drive)->no_speed_select = 1;
 
 #if ! STANDARD_ATAPI
-       /* by default Sanyo 3 CD changer support is turned off and
-           ATAPI Rev 2.2+ standard support for CD changers is used */
-       cdi->sanyo_slot = 0;
-
-       CDROM_CONFIG_FLAGS(drive)->nec260 = 0;
-       CDROM_CONFIG_FLAGS(drive)->toctracks_as_bcd = 0;
-       CDROM_CONFIG_FLAGS(drive)->tocaddr_as_bcd = 0;
-       CDROM_CONFIG_FLAGS(drive)->playmsf_as_bcd = 0;
-       CDROM_CONFIG_FLAGS(drive)->subchan_as_bcd = 0;
-
        if (strcmp (drive->id->model, "V003S0DS") == 0 &&
            drive->id->fw_rev[4] == '1' &&
            drive->id->fw_rev[6] <= '2') {
@@ -2942,8 +2918,10 @@ int ide_cdrom_setup (ide_drive_t *drive)
                CDROM_CONFIG_FLAGS(drive)->playmsf_as_bcd = 1;
                CDROM_CONFIG_FLAGS(drive)->subchan_as_bcd = 1;
        }
-        /* Sanyo 3 CD changer uses a non-standard command
-           for CD changing */
+       /*
+        * Sanyo 3 CD changer uses a non-standard command for CD changing
+        * (by default standard ATAPI support for CD changers is used).
+        */
         else if ((strcmp(drive->id->model, "CD-ROM CDR-C3 G") == 0) ||
                  (strcmp(drive->id->model, "CD-ROM CDR-C3G") == 0) ||
                  (strcmp(drive->id->model, "CD-ROM CDR_C36") == 0)) {
@@ -2952,14 +2930,6 @@ int ide_cdrom_setup (ide_drive_t *drive)
         }
 #endif /* not STANDARD_ATAPI */
 
-       info->toc               = NULL;
-       info->buffer            = NULL;
-       info->sector_buffered   = 0;
-       info->nsectors_buffered = 0;
-       info->changer_info      = NULL;
-       info->last_block        = 0;
-       info->start_seek        = 0;
-
        nslots = ide_cdrom_probe_capabilities (drive);
 
        /*