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@@ -40,40 +40,43 @@ static struct platform_driver hdpu_nexus_driver = {
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int hdpu_slot_id_read(char *buffer, char **buffer_location, off_t offset,
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int buffer_length, int *zero, void *ptr)
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{
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-
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if (offset > 0)
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return 0;
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+
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return sprintf(buffer, "%d\n", slot_id);
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}
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int hdpu_chassis_id_read(char *buffer, char **buffer_location, off_t offset,
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int buffer_length, int *zero, void *ptr)
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{
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-
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if (offset > 0)
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return 0;
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+
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return sprintf(buffer, "%d\n", chassis_id);
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}
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static int hdpu_nexus_probe(struct platform_device *pdev)
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{
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struct resource *res;
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+ int *nexus_id_addr;
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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- int *nexus_id_addr;
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- nexus_id_addr =
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- ioremap(res->start, (unsigned long)(res->end - res->start));
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+ nexus_id_addr = ioremap(res->start,
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+ (unsigned long)(res->end - res->start));
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if (nexus_id_addr) {
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slot_id = (*nexus_id_addr >> 8) & 0x1f;
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chassis_id = *nexus_id_addr & 0xff;
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iounmap(nexus_id_addr);
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- } else
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- printk("Could not map slot id\n");
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+ } else {
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+ printk(KERN_ERR "Could not map slot id\n");
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+ }
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+
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hdpu_slot_id = create_proc_entry("sky_slot_id", 0666, &proc_root);
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hdpu_slot_id->read_proc = hdpu_slot_id_read;
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hdpu_chassis_id = create_proc_entry("sky_chassis_id", 0666, &proc_root);
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hdpu_chassis_id->read_proc = hdpu_chassis_id_read;
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+
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return 0;
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}
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@@ -81,18 +84,19 @@ static int hdpu_nexus_remove(struct platform_device *pdev)
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{
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slot_id = -1;
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chassis_id = -1;
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+
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remove_proc_entry("sky_slot_id", &proc_root);
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remove_proc_entry("sky_chassis_id", &proc_root);
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+
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hdpu_slot_id = 0;
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hdpu_chassis_id = 0;
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+
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return 0;
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}
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static int __init nexus_init(void)
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{
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- int rc;
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- rc = platform_driver_register(&hdpu_nexus_driver);
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- return rc;
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+ return platform_driver_register(&hdpu_nexus_driver);
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}
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static void __exit nexus_exit(void)
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