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Reduce USB memory usage during enumeration.

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We are allocating some kilobytes of extra memory during USB device enumeration.
This does not change alot under FreeBSD, but makes sense for various embedded
operating systems using the FreeBSD USB stack, which have less memory
resources available.

Approved by:	re (kib)
MFC after:	1 week
This commit is contained in:
Hans Petter Selasky 2011-09-14 15:16:53 +00:00
parent 58bdb69150
commit 7cd72d8565
1 changed files with 4 additions and 3 deletions
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7
sys/dev/usb/usb_msctest.c
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@ -182,6 +182,7 @@ static const struct usb_config bbb_config[ST_MAX] = {
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_OUT,
.bufsize = sizeof(struct bbb_cbw),
.flags = {.ext_buffer = 1,},
.callback = &bbb_command_callback,
.timeout = 4 * USB_MS_HZ, /* 4 seconds */
},
@ -191,7 +192,7 @@ static const struct usb_config bbb_config[ST_MAX] = {
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_IN,
.bufsize = BULK_SIZE,
.flags = {.proxy_buffer = 1,.short_xfer_ok = 1,},
.flags = {.ext_buffer = 1,.proxy_buffer = 1,.short_xfer_ok = 1,},
.callback = &bbb_data_read_callback,
.timeout = 4 * USB_MS_HZ, /* 4 seconds */
},
@ -210,7 +211,7 @@ static const struct usb_config bbb_config[ST_MAX] = {
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_OUT,
.bufsize = BULK_SIZE,
.flags = {.proxy_buffer = 1,},
.flags = {.ext_buffer = 1,.proxy_buffer = 1,},
.callback = &bbb_data_write_callback,
.timeout = 4 * USB_MS_HZ, /* 4 seconds */
},
@ -229,7 +230,7 @@ static const struct usb_config bbb_config[ST_MAX] = {
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_IN,
.bufsize = sizeof(struct bbb_csw),
.flags = {.short_xfer_ok = 1,},
.flags = {.ext_buffer = 1,.short_xfer_ok = 1,},
.callback = &bbb_status_callback,
.timeout = 1 * USB_MS_HZ, /* 1 second */
},