[U-Boot] [PATCH 6/7] usb: kbd: Cache pipe, interval and packetsize

[Hans de Goede <hdegoede@redhat.com>]

Hi,

On 09/20/2014 07:53 PM, Michael Trimarchi wrote:
> Hi
> 
> On Sat, Sep 20, 2014 at 5:01 PM, Hans de Goede <hdegoede@redhat.com> wrote:
>> Instead of looking them up every time we need them.
>>
> 
> split subject and patch description
> 
>> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
>> ---
>>  common/usb_kbd.c | 34 +++++++++++++---------------------
>>  1 file changed, 13 insertions(+), 21 deletions(-)
>>
>> diff --git a/common/usb_kbd.c b/common/usb_kbd.c
>> index cb869ac..85ee1c8 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;
> 
> unsigned int intpipe ??

usb "pipe"-s are unsigned long everywhere in u-boot.

Regards,

Hans

> 
> Michael
> 
>> +       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. */
>> --
>> 2.1.0
>>
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> 
> 
>