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USB: convert ehci debug files to use debugfs instead of sysfs

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We should not have multiple line files in sysfs, this moves the data to
debugfs instead, like the UHCI driver.

Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Tony Jones
2007-09-11 14:07:31 -07:00
committed by Greg Kroah-Hartman
parent 684c19e0d9
commit 694cc2087e
3 changed files with 218 additions and 40 deletions
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25
drivers/usb/host/ehci-hcd.c
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@ -33,6 +33,7 @@
#include <linux/usb.h>
#include <linux/moduleparam.h>
#include <linux/dma-mapping.h>
#include <linux/debugfs.h>
#include "../core/hcd.h"
@ -978,15 +979,30 @@ static int __init ehci_hcd_init(void)
sizeof(struct ehci_qh), sizeof(struct ehci_qtd),
sizeof(struct ehci_itd), sizeof(struct ehci_sitd));
#ifdef DEBUG
ehci_debug_root = debugfs_create_dir("ehci", NULL);
if (!ehci_debug_root)
return -ENOENT;
#endif
#ifdef PLATFORM_DRIVER
retval = platform_driver_register(&PLATFORM_DRIVER);
if (retval < 0)
if (retval < 0) {
#ifdef DEBUG
debugfs_remove(ehci_debug_root);
ehci_debug_root = NULL;
#endif
return retval;
}
#endif
#ifdef PCI_DRIVER
retval = pci_register_driver(&PCI_DRIVER);
if (retval < 0) {
#ifdef DEBUG
debugfs_remove(ehci_debug_root);
ehci_debug_root = NULL;
#endif
#ifdef PLATFORM_DRIVER
platform_driver_unregister(&PLATFORM_DRIVER);
#endif
@ -997,6 +1013,10 @@ static int __init ehci_hcd_init(void)
#ifdef PS3_SYSTEM_BUS_DRIVER
retval = ps3_ehci_driver_register(&PS3_SYSTEM_BUS_DRIVER);
if (retval < 0) {
#ifdef DEBUG
debugfs_remove(ehci_debug_root);
ehci_debug_root = NULL;
#endif
#ifdef PLATFORM_DRIVER
platform_driver_unregister(&PLATFORM_DRIVER);
#endif
@ -1022,6 +1042,9 @@ static void __exit ehci_hcd_cleanup(void)
#ifdef PS3_SYSTEM_BUS_DRIVER
ps3_ehci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
#endif
#ifdef DEBUG
debugfs_remove(ehci_debug_root);
#endif
}
module_exit(ehci_hcd_cleanup);