[SCSI] dpt_i2o: sysfs code (1ed43910) · Commits · 戴 / test

drivers/scsi/dpt_i2o.c

+26 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}
		}
		}