diff options
author | Oliver Neukum <oneukum@suse.de> | 2013-11-18 13:23:09 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-03 10:31:20 -0800 |
commit | cadb37569871018600531ee4f2bb3da3c746bd91 (patch) | |
tree | 3cbe25c5c10232adcfcc90bc3259e5158748f40d | |
parent | 0ada24a497c3f82cb806bb4b923a2edcf8ee7815 (diff) | |
download | linux-cadb37569871018600531ee4f2bb3da3c746bd91.tar.bz2 |
uhci: change dependency for debug parameter
To allow a full switch to dynamic debugging make the
debug parameter conditional on defined(DEBUF) || defined(CONFIG_DYNAMIC_DEBUG)
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/usb/host/uhci-hcd.c | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index 4a86b63745b8..d9d3c5a98d83 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -69,18 +69,21 @@ MODULE_PARM_DESC(ignore_oc, "ignore hardware overcurrent indications"); * show all queues in /sys/kernel/debug/uhci/[pci_addr] * debug = 3, show all TDs in URBs when dumping */ -#ifdef DEBUG -#define DEBUG_CONFIGURED 1 +#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG) + static int debug = 1; module_param(debug, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "Debug level"); +static char *errbuf; #else -#define DEBUG_CONFIGURED 0 -#define debug 0 + +#define debug 0 +#define errbuf NULL + #endif -static char *errbuf; + #define ERRBUF_LEN (32 * 1024) static struct kmem_cache *uhci_up_cachep; /* urb_priv */ @@ -516,13 +519,12 @@ static void release_uhci(struct uhci_hcd *uhci) { int i; - if (DEBUG_CONFIGURED) { - spin_lock_irq(&uhci->lock); - uhci->is_initialized = 0; - spin_unlock_irq(&uhci->lock); - debugfs_remove(uhci->dentry); - } + spin_lock_irq(&uhci->lock); + uhci->is_initialized = 0; + spin_unlock_irq(&uhci->lock); + + debugfs_remove(uhci->dentry); for (i = 0; i < UHCI_NUM_SKELQH; i++) uhci_free_qh(uhci, uhci->skelqh[i]); @@ -868,14 +870,14 @@ static int __init uhci_hcd_init(void) ignore_oc ? ", overcurrent ignored" : ""); set_bit(USB_UHCI_LOADED, &usb_hcds_loaded); - if (DEBUG_CONFIGURED) { - errbuf = kmalloc(ERRBUF_LEN, GFP_KERNEL); - if (!errbuf) - goto errbuf_failed; - uhci_debugfs_root = debugfs_create_dir("uhci", usb_debug_root); - if (!uhci_debugfs_root) - goto debug_failed; - } +#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG) + errbuf = kmalloc(ERRBUF_LEN, GFP_KERNEL); + if (!errbuf) + goto errbuf_failed; + uhci_debugfs_root = debugfs_create_dir("uhci", usb_debug_root); + if (!uhci_debugfs_root) + goto debug_failed; +#endif uhci_up_cachep = kmem_cache_create("uhci_urb_priv", sizeof(struct urb_priv), 0, 0, NULL); @@ -906,12 +908,14 @@ clean0: kmem_cache_destroy(uhci_up_cachep); up_failed: +#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG) debugfs_remove(uhci_debugfs_root); debug_failed: kfree(errbuf); errbuf_failed: +#endif clear_bit(USB_UHCI_LOADED, &usb_hcds_loaded); return retval; @@ -927,7 +931,9 @@ static void __exit uhci_hcd_cleanup(void) #endif kmem_cache_destroy(uhci_up_cachep); debugfs_remove(uhci_debugfs_root); +#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG) kfree(errbuf); +#endif clear_bit(USB_UHCI_LOADED, &usb_hcds_loaded); } |