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Message-Id: <20220427132436.12795-2-paul.gortmaker@windriver.com>
Date: Wed, 27 Apr 2022 09:24:33 -0400
From: Paul Gortmaker <paul.gortmaker@...driver.com>
To: linux-kernel@...r.kernel.org
Cc: Paul Gortmaker <paul.gortmaker@...driver.com>,
Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk>,
Phillip Potter <phil@...lpotter.co.uk>
Subject: [PATCH 1/3] cdrom: remove the unused driver specific disc change ioctl
This was only used by the ide-cd driver, which went away in
commit b7fb14d3ac63 ("ide: remove the legacy ide driver")
so we might as well take advantage of that and get rid of
this hook as well.
Cc: Christoph Hellwig <hch@....de>
Cc: Jens Axboe <axboe@...nel.dk>
Cc: Phillip Potter <phil@...lpotter.co.uk>
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
---
Documentation/cdrom/cdrom-standard.rst | 10 ----------
drivers/cdrom/cdrom.c | 8 --------
include/linux/cdrom.h | 1 -
3 files changed, 19 deletions(-)
diff --git a/Documentation/cdrom/cdrom-standard.rst b/Documentation/cdrom/cdrom-standard.rst
index 52ea7b6b2fe8..7964fe134277 100644
--- a/Documentation/cdrom/cdrom-standard.rst
+++ b/Documentation/cdrom/cdrom-standard.rst
@@ -218,7 +218,6 @@ current *struct* is::
int (*tray_move)(struct cdrom_device_info *, int);
int (*lock_door)(struct cdrom_device_info *, int);
int (*select_speed)(struct cdrom_device_info *, int);
- int (*select_disc)(struct cdrom_device_info *, int);
int (*get_last_session) (struct cdrom_device_info *,
struct cdrom_multisession *);
int (*get_mcn)(struct cdrom_device_info *, struct cdrom_mcn *);
@@ -419,15 +418,6 @@ this `auto-selection` capability, the decision should be made on the
current disc loaded and the return value should be positive. A negative
return value indicates an error.
-::
-
- int select_disc(struct cdrom_device_info *cdi, int number)
-
-If the drive can store multiple discs (a juke-box) this function
-will perform disc selection. It should return the number of the
-selected disc on success, a negative value on error. Currently, only
-the ide-cd driver supports this functionality.
-
::
int get_last_session(struct cdrom_device_info *cdi,
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 2dc9da683a13..0a858bfea849 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -2443,14 +2443,6 @@ static int cdrom_ioctl_select_disc(struct cdrom_device_info *cdi,
return -EINVAL;
}
- /*
- * ->select_disc is a hook to allow a driver-specific way of
- * seleting disc. However, since there is no equivalent hook for
- * cdrom_slot_status this may not actually be useful...
- */
- if (cdi->ops->select_disc)
- return cdi->ops->select_disc(cdi, arg);
-
cd_dbg(CD_CHANGER, "Using generic cdrom_select_disc()\n");
return cdrom_select_disc(cdi, arg);
}
diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h
index 0a89f111e00e..67caa909e3e6 100644
--- a/include/linux/cdrom.h
+++ b/include/linux/cdrom.h
@@ -77,7 +77,6 @@ struct cdrom_device_ops {
int (*tray_move) (struct cdrom_device_info *, int);
int (*lock_door) (struct cdrom_device_info *, int);
int (*select_speed) (struct cdrom_device_info *, int);
- int (*select_disc) (struct cdrom_device_info *, int);
int (*get_last_session) (struct cdrom_device_info *,
struct cdrom_multisession *);
int (*get_mcn) (struct cdrom_device_info *,
--
2.33.0
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