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| author | Miquel van Smoorenburg <miquels@cistron.nl> | 2008-05-02 01:08:19 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-05-02 13:17:43 -0500 |
| commit | 1ed43910956f5faec690ea3214451779e93bbb52 (patch) | |
| tree | a8e55be28c44624e84c356c6713277cebae38730 /drivers/scsi/dpt_i2o.c | |
| parent | 62ac5aedc51485d672a5d91c262a001acecbe447 (diff) | |
| download | lwn-1ed43910956f5faec690ea3214451779e93bbb52.tar.gz lwn-1ed43910956f5faec690ea3214451779e93bbb52.zip | |
[SCSI] dpt_i2o: sysfs code
Create a /sys/class/dpt_i2o directory and populate it with
dptiN directories. Each dptiN directory contains a "dev" file
that makes udev create /dev/dptiN
Signed-off-by: Miquel van Smoorenburg <miquels@cistron.nl>
Acked-by: Mark Salyzyn <Mark_Salyzyn@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/dpt_i2o.c')
| -rw-r--r-- | drivers/scsi/dpt_i2o.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index dc6b2d4a9aa1..8939fbf102fc 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -111,6 +111,8 @@ static int sys_tbl_len; static adpt_hba* hba_chain = NULL; static int hba_count = 0; +static struct class *adpt_sysfs_class; + #ifdef CONFIG_COMPAT static long compat_adpt_ioctl(struct file *, unsigned int, unsigned long); #endif @@ -254,6 +256,12 @@ rebuild_sys_tab: adpt_inquiry(pHba); } + adpt_sysfs_class = class_create(THIS_MODULE, "dpt_i2o"); + if (IS_ERR(adpt_sysfs_class)) { + printk(KERN_WARNING"dpti: unable to create dpt_i2o class\n"); + adpt_sysfs_class = NULL; + } + for (pHba = hba_chain; pHba; pHba = pHba->next) { if (adpt_scsi_host_alloc(pHba, sht) < 0){ adpt_i2o_delete_hba(pHba); @@ -261,6 +269,16 @@ rebuild_sys_tab: } pHba->initialized = TRUE; pHba->state &= ~DPTI_STATE_RESET; + if (adpt_sysfs_class) { + struct device *dev = device_create(adpt_sysfs_class, + NULL, MKDEV(DPTI_I2O_MAJOR, pHba->unit), + "dpti%d", pHba->unit); + if (IS_ERR(dev)) { + printk(KERN_WARNING"dpti%d: unable to " + "create device in dpt_i2o class\n", + pHba->unit); + } + } } // Register our control device node @@ -1212,8 +1230,16 @@ static void adpt_i2o_delete_hba(adpt_hba* pHba) pci_dev_put(pHba->pDev); kfree(pHba); + if (adpt_sysfs_class) + device_destroy(adpt_sysfs_class, + MKDEV(DPTI_I2O_MAJOR, pHba->unit)); + if(hba_count <= 0){ unregister_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER); + if (adpt_sysfs_class) { + class_destroy(adpt_sysfs_class); + adpt_sysfs_class = NULL; + } } } |