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| author | Hans de Goede <hdegoede@redhat.com> | 2014-09-20 16:51:25 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2014-10-06 14:50:42 +0200 |
| commit | 36b73109c49c1359a5fcc790c00717cb27468c12 (patch) | |
| tree | c749bb26c7bd765d63102b0382bfbd98acabd058 /drivers/usb/host/ehci-hcd.c | |
| parent | 415548d88446134549917aae026f53dbbee36fd2 (diff) | |
| download | u-boot-imx-36b73109c49c1359a5fcc790c00717cb27468c12.zip u-boot-imx-36b73109c49c1359a5fcc790c00717cb27468c12.tar.gz u-boot-imx-36b73109c49c1359a5fcc790c00717cb27468c12.tar.bz2 | |
usb: ehci: Make periodic_schedules a per controller variable
Periodic schedules tracks how many int_queue-s are active, and decides whether
or not to en/disable the periodic schedule based on this. This is clearly
a per controller thing.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 635a3b4..6323c50 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -996,6 +996,7 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller) * Set up periodic list * Step 1: Parent QH for all periodic transfers. */ + ehcic[index].periodic_schedules = 0; periodic = &ehcic[index].periodic_queue; memset(periodic, 0, sizeof(*periodic)); periodic->qh_link = cpu_to_hc32(QH_LINK_TERMINATE); @@ -1154,8 +1155,6 @@ disable_periodic(struct ehci_ctrl *ctrl) return 0; } -static int periodic_schedules; - struct int_queue * create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize, int elementsize, void *buffer) @@ -1278,7 +1277,7 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize, debug("FATAL: periodic should never fail, but did"); goto fail3; } - periodic_schedules++; + ctrl->periodic_schedules++; debug("Exit create_int_queue\n"); return result; @@ -1335,7 +1334,7 @@ destroy_int_queue(struct usb_device *dev, struct int_queue *queue) debug("FATAL: periodic should never fail, but did"); goto out; } - periodic_schedules--; + ctrl->periodic_schedules--; struct QH *cur = &ctrl->periodic_queue; timeout = get_timer(0) + 500; /* abort after 500ms */ @@ -1357,7 +1356,7 @@ destroy_int_queue(struct usb_device *dev, struct int_queue *queue) } } - if (periodic_schedules > 0) { + if (ctrl->periodic_schedules > 0) { result = enable_periodic(ctrl); if (result < 0) debug("FATAL: periodic should never fail, but did"); |