diff options
| author | Felipe Balbi <balbi@ti.com> | 2012-02-29 16:46:23 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-03-01 09:31:22 -0800 |
| commit | cd70469d084fde198dc07c1a31b8463562228a5a (patch) | |
| tree | 166cf8dc555922a43abb71aa681e56dc3e61c776 /drivers/usb/core/hcd.c | |
| parent | 444aa7fa9bd752d19ce472d3e02558b987c3cc67 (diff) | |
| download | linux-cd70469d084fde198dc07c1a31b8463562228a5a.tar.gz linux-cd70469d084fde198dc07c1a31b8463562228a5a.tar.bz2 linux-cd70469d084fde198dc07c1a31b8463562228a5a.zip | |
usb: core: hcd: make hcd->irq unsigned
There's really no point in having hcd->irq as a
signed integer when we consider the fact that
IRQ 0 means NO_IRQ. In order to avoid confusion,
make hcd->irq unsigned and fix users who were
passing -1 as the IRQ number to usb_add_hcd.
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index e1282328fc27..9d7fc9a39933 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2352,7 +2352,7 @@ static int usb_hcd_request_irqs(struct usb_hcd *hcd, "io mem" : "io base", (unsigned long long)hcd->rsrc_start); } else { - hcd->irq = -1; + hcd->irq = 0; if (hcd->rsrc_start) dev_info(hcd->self.controller, "%s 0x%08llx\n", (hcd->driver->flags & HCD_MEMORY) ? @@ -2508,7 +2508,7 @@ err_register_root_hub: clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); del_timer_sync(&hcd->rh_timer); err_hcd_driver_start: - if (usb_hcd_is_primary_hcd(hcd) && hcd->irq >= 0) + if (usb_hcd_is_primary_hcd(hcd) && hcd->irq > 0) free_irq(irqnum, hcd); err_request_irq: err_hcd_driver_setup: @@ -2573,7 +2573,7 @@ void usb_remove_hcd(struct usb_hcd *hcd) del_timer_sync(&hcd->rh_timer); if (usb_hcd_is_primary_hcd(hcd)) { - if (hcd->irq >= 0) + if (hcd->irq > 0) free_irq(hcd->irq, hcd); } |