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| author | Alan Stern <stern@rowland.harvard.edu> | 2008-10-02 11:48:13 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-10-17 14:41:03 -0700 |
| commit | 9beeee6584b9aa4f9192055512411484a2a624df (patch) | |
| tree | 6eec55264d86791a1d4f61bdb9158cf9c720f7ce /drivers/usb/host/uhci-hcd.c | |
| parent | 2b70f07343389cb474235def00b021a645ede916 (diff) | |
| download | linux-9beeee6584b9aa4f9192055512411484a2a624df.tar.gz linux-9beeee6584b9aa4f9192055512411484a2a624df.tar.bz2 linux-9beeee6584b9aa4f9192055512411484a2a624df.zip | |
USB: EHCI: log a warning if ehci-hcd is not loaded first
This patch (as1139) adds a warning to the system log whenever ehci-hcd
is loaded after ohci-hcd or uhci-hcd. Nowadays most distributions are
pretty good about not doing this; maybe the warning will help convince
anyone still doing it wrong.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org> [2.6.27]
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/uhci-hcd.c')
| -rw-r--r-- | drivers/usb/host/uhci-hcd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index 2dddb258b0db..cf5e4cf7ea42 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -955,6 +955,7 @@ static int __init uhci_hcd_init(void) printk(KERN_INFO "uhci_hcd: " DRIVER_DESC "%s\n", ignore_oc ? ", overcurrent ignored" : ""); + set_bit(USB_UHCI_LOADED, &usb_hcds_loaded); if (DEBUG_CONFIGURED) { errbuf = kmalloc(ERRBUF_LEN, GFP_KERNEL); @@ -987,6 +988,7 @@ debug_failed: errbuf_failed: + clear_bit(USB_UHCI_LOADED, &usb_hcds_loaded); return retval; } @@ -996,6 +998,7 @@ static void __exit uhci_hcd_cleanup(void) kmem_cache_destroy(uhci_up_cachep); debugfs_remove(uhci_debugfs_root); kfree(errbuf); + clear_bit(USB_UHCI_LOADED, &usb_hcds_loaded); } module_init(uhci_hcd_init); |