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| author | Hans de Goede <hdegoede@redhat.com> | 2014-09-24 14:06:10 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2014-11-04 06:04:00 +0100 |
| commit | 8f8d7d2451115059c36e0551eea9d8770c346ea2 (patch) | |
| tree | 22f4b590babc089efdbf7cc701b2f83727973723 /common/usb_kbd.c | |
| parent | 88274b6c431f48d44743fe4d007068bec63505ff (diff) | |
| download | u-boot-imx-8f8d7d2451115059c36e0551eea9d8770c346ea2.zip u-boot-imx-8f8d7d2451115059c36e0551eea9d8770c346ea2.tar.gz u-boot-imx-8f8d7d2451115059c36e0551eea9d8770c346ea2.tar.bz2 | |
usb: kbd: Cache pipe, interval and packetsize
Instead of looking them up every time we need them.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'common/usb_kbd.c')
| -rw-r--r-- | common/usb_kbd.c | 34 |
1 files changed, 13 insertions, 21 deletions
diff --git a/common/usb_kbd.c b/common/usb_kbd.c index 253530a..a303d95 100644 --- a/common/usb_kbd.c +++ b/common/usb_kbd.c @@ -99,6 +99,10 @@ static const unsigned char usb_kbd_arrow[] = { #define USB_KBD_BOOT_REPORT_SIZE 8 struct usb_kbd_pdata { + unsigned long intpipe; + int intpktsize; + int intinterval; + uint32_t repeat_delay; uint32_t usb_in_pointer; @@ -305,23 +309,11 @@ static int usb_kbd_irq(struct usb_device *dev) static inline void usb_kbd_poll_for_event(struct usb_device *dev) { #if defined(CONFIG_SYS_USB_EVENT_POLL) - struct usb_interface *iface; - struct usb_endpoint_descriptor *ep; - struct usb_kbd_pdata *data; - int pipe; - int maxp; - - /* Get the pointer to USB Keyboard device pointer */ - data = dev->privptr; - iface = &dev->config.if_desc[0]; - ep = &iface->ep_desc[0]; - pipe = usb_rcvintpipe(dev, ep->bEndpointAddress); + struct usb_kbd_pdata *data = dev->privptr; /* Submit a interrupt transfer request */ - maxp = usb_maxpacket(dev, pipe); - usb_submit_int_msg(dev, pipe, &data->new[0], - min(maxp, USB_KBD_BOOT_REPORT_SIZE), - ep->bInterval); + usb_submit_int_msg(dev, data->intpipe, &data->new[0], data->intpktsize, + data->intinterval); usb_kbd_irq_worker(dev); #elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP) @@ -389,7 +381,6 @@ static int usb_kbd_probe(struct usb_device *dev, unsigned int ifnum) struct usb_interface *iface; struct usb_endpoint_descriptor *ep; struct usb_kbd_pdata *data; - int pipe, maxp; if (dev->descriptor.bNumConfigurations != 1) return 0; @@ -438,8 +429,10 @@ static int usb_kbd_probe(struct usb_device *dev, unsigned int ifnum) /* Set IRQ handler */ dev->irq_handle = usb_kbd_irq; - pipe = usb_rcvintpipe(dev, ep->bEndpointAddress); - maxp = usb_maxpacket(dev, pipe); + data->intpipe = usb_rcvintpipe(dev, ep->bEndpointAddress); + data->intpktsize = min(usb_maxpacket(dev, data->intpipe), + USB_KBD_BOOT_REPORT_SIZE); + data->intinterval = ep->bInterval; /* We found a USB Keyboard, install it. */ usb_set_protocol(dev, iface->desc.bInterfaceNumber, 0); @@ -448,9 +441,8 @@ static int usb_kbd_probe(struct usb_device *dev, unsigned int ifnum) usb_set_idle(dev, iface->desc.bInterfaceNumber, REPEAT_RATE, 0); debug("USB KBD: enable interrupt pipe...\n"); - if (usb_submit_int_msg(dev, pipe, data->new, - min(maxp, USB_KBD_BOOT_REPORT_SIZE), - ep->bInterval) < 0) { + if (usb_submit_int_msg(dev, data->intpipe, data->new, data->intpktsize, + data->intinterval) < 0) { printf("Failed to get keyboard state from device %04x:%04x\n", dev->descriptor.idVendor, dev->descriptor.idProduct); /* Abort, we don't want to use that non-functional keyboard. */ |