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author | hselasky <hselasky@FreeBSD.org> | 2013-05-03 11:10:04 +0000 |
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committer | hselasky <hselasky@FreeBSD.org> | 2013-05-03 11:10:04 +0000 |
commit | fad53c9a9b9475ec66f6ccb57acaac47c314a49e (patch) | |
tree | da34869305f7442f6ba4ce940376c157aa9705e3 /sys/dev/usb/usb_hub.h | |
parent | bf0ecb667034d07b6288c04623d895a0919377c0 (diff) | |
download | FreeBSD-src-fad53c9a9b9475ec66f6ccb57acaac47c314a49e.zip FreeBSD-src-fad53c9a9b9475ec66f6ccb57acaac47c314a49e.tar.gz |
- Add more defines to limit USB memory usage and number of allocations
in reduced memory systems.
- Split allocation and freeing of the configuration descriptor into a separate
function, so that the configuration descriptor can be made fixed size
to save memory allocations. This applies for both device and host mode.
Diffstat (limited to 'sys/dev/usb/usb_hub.h')
-rw-r--r-- | sys/dev/usb/usb_hub.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/usb/usb_hub.h b/sys/dev/usb/usb_hub.h index 23a1fa4..4a48f74 100644 --- a/sys/dev/usb/usb_hub.h +++ b/sys/dev/usb/usb_hub.h @@ -48,7 +48,11 @@ struct usb_hub { uint16_t portpower; /* mA per USB port */ uint8_t isoc_last_time; uint8_t nports; +#if (USB_HAVE_FIXED_PORT == 0) struct usb_port ports[0]; +#else + struct usb_port ports[USB_MAX_PORTS]; +#endif }; /* function prototypes */ |