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    SubjectRe: [PATCH] Driver Core update for 2.6.6-rc1
    Date
    From
    ChangeSet 1.1643.36.5, 2004/03/19 16:39:16-08:00, hannal@us.ibm.com

    [PATCH] QIC-02 tape drive hookup to classes in sysfs

    Here is a patch to hook up the qic02 tape device to have class
    support in sysfs. I have verified it compiles. I do not have access to
    the hardware to test. Could someone who does please verify?

    From the file:
    * This is a driver for the Wangtek 5150 tape drive with
    * a QIC-02 controller for ISA-PC type computers.
    * Hopefully it will work with other QIC-02 tape drives as well.


    drivers/char/tpqic02.c | 22 ++++++++++++++++++++++
    1 files changed, 22 insertions(+)


    diff -Nru a/drivers/char/tpqic02.c b/drivers/char/tpqic02.c
    --- a/drivers/char/tpqic02.c Thu Apr 15 10:21:08 2004
    +++ b/drivers/char/tpqic02.c Thu Apr 15 10:21:08 2004
    @@ -94,6 +94,7 @@
    #include <linux/init.h>
    #include <linux/smp_lock.h>
    #include <linux/devfs_fs_kernel.h>
    +#include <linux/device.h>

    #include <asm/dma.h>
    #include <asm/system.h>
    @@ -229,6 +230,8 @@
    "600" /* untested. */
    };

    +static struct class_simple *tpqic02_class;
    +

    /* `exception_list' is needed for exception status reporting.
    * Exceptions 1..14 are defined by QIC-02 rev F.
    @@ -2696,23 +2699,32 @@
    return -ENODEV;
    }

    + tpqic02_class = class_simple_create(THIS_MODULE, TPQIC02_NAME);
    + class_simple_device_add(tpqic02_class, MKDEV(QIC02_TAPE_MAJOR, 2), NULL, "ntpqic11");
    devfs_mk_cdev(MKDEV(QIC02_TAPE_MAJOR, 2),
    S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, "ntpqic11");
    + class_simple_device_add(tpqic02_class, MKDEV(QIC02_TAPE_MAJOR, 3), NULL, "tpqic11");
    devfs_mk_cdev(MKDEV(QIC02_TAPE_MAJOR, 3),
    S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, "tpqic11");

    + class_simple_device_add(tpqic02_class, MKDEV(QIC02_TAPE_MAJOR, 4), NULL, "ntpqic24");
    devfs_mk_cdev(MKDEV(QIC02_TAPE_MAJOR, 4),
    S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, "ntpqic24");
    + class_simple_device_add(tpqic02_class, MKDEV(QIC02_TAPE_MAJOR, 5), NULL, "tpqic24");
    devfs_mk_cdev(MKDEV(QIC02_TAPE_MAJOR, 5),
    S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, "tpqic24");

    + class_simple_device_add(tpqic02_class, MKDEV(QIC02_TAPE_MAJOR, 6), NULL, "ntpqic20");
    devfs_mk_cdev(MKDEV(QIC02_TAPE_MAJOR, 6),
    S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, "ntpqic120");
    + class_simple_device_add(tpqic02_class, MKDEV(QIC02_TAPE_MAJOR, 7), NULL, "tpqic20");
    devfs_mk_cdev(MKDEV(QIC02_TAPE_MAJOR, 7),
    S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, "tpqic120");

    + class_simple_device_add(tpqic02_class, MKDEV(QIC02_TAPE_MAJOR, 8), NULL, "ntpqic50");
    devfs_mk_cdev(MKDEV(QIC02_TAPE_MAJOR, 8),
    S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, "ntpqic150");
    + class_simple_device_add(tpqic02_class, MKDEV(QIC02_TAPE_MAJOR, 9), NULL, "tpqic50");
    devfs_mk_cdev(MKDEV(QIC02_TAPE_MAJOR, 9),
    S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP, "tpqic150");

    @@ -2757,13 +2769,23 @@
    qic02_release_resources();

    devfs_remove("ntpqic11");
    + class_simple_device_remove(MKDEV(QIC02_TAPE_MAJOR, 2));
    devfs_remove("tpqic11");
    + class_simple_device_remove(MKDEV(QIC02_TAPE_MAJOR, 3));
    devfs_remove("ntpqic24");
    + class_simple_device_remove(MKDEV(QIC02_TAPE_MAJOR, 4));
    devfs_remove("tpqic24");
    + class_simple_device_remove(MKDEV(QIC02_TAPE_MAJOR, 5));
    devfs_remove("ntpqic120");
    + class_simple_device_remove(MKDEV(QIC02_TAPE_MAJOR, 6));
    devfs_remove("tpqic120");
    + class_simple_device_remove(MKDEV(QIC02_TAPE_MAJOR, 7));
    devfs_remove("ntpqic150");
    + class_simple_device_remove(MKDEV(QIC02_TAPE_MAJOR, 8));
    devfs_remove("tpqic150");
    + class_simple_device_remove(MKDEV(QIC02_TAPE_MAJOR, 9));
    +
    + class_simple_destroy(tpqic02_class);
    }

    static int qic02_module_init(void)
    -
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