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Commit 1ed43910 authored by Miquel van Smoorenburg's avatar Miquel van Smoorenburg Committed by James Bottomley
Browse files

[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: default avatarMiquel van Smoorenburg <miquels@cistron.nl>
Acked-by: default avatarMark Salyzyn <Mark_Salyzyn@adaptec.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 62ac5aed

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 @@ static int adpt_detect(struct scsi_host_template* sht) 
		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 @@ static int adpt_detect(struct scsi_host_template* sht) 
		}

		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;

		}

	}

}