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| author | Stephen Warren <swarren@nvidia.com> | 2014-06-11 16:03:34 -0600 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-08-09 11:16:58 -0400 |
| commit | 7ac1b410ac9b66150170718a6f807ce52ffd8400 (patch) | |
| tree | 1823b2c0b7926e258b371f43630d00769be657ca /drivers/usb/gadget | |
| parent | dd64827eb60de9f71b1a1d6aecf488104cdd7b96 (diff) | |
| download | u-boot-imx-7ac1b410ac9b66150170718a6f807ce52ffd8400.zip u-boot-imx-7ac1b410ac9b66150170718a6f807ce52ffd8400.tar.gz u-boot-imx-7ac1b410ac9b66150170718a6f807ce52ffd8400.tar.bz2 | |
dfu: allow backend to specify a maximum buffer size
CONFIG_SYS_DFU_DATA_BUF_SIZE may be large to allow for FAT/ext layouts
to transfer large files. However, this means that individual write
operations will take a long time. Allow backends to specify a maximum
buffer size, so that each write operation is limited to a smaller data
block. This prevents the DFU protocol from timing out when e.g. writing
to SPI flash. I would guess that NAND might benefit from setting this
value too, but I can't test that.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/f_thor.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/gadget/f_thor.c b/drivers/usb/gadget/f_thor.c index 4e06273..c85b0fb 100644 --- a/drivers/usb/gadget/f_thor.c +++ b/drivers/usb/gadget/f_thor.c @@ -142,7 +142,8 @@ static long long int download_head(unsigned long long total, int *cnt) { long long int rcv_cnt = 0, left_to_rcv, ret_rcv; - void *transfer_buffer = dfu_get_buf(); + struct dfu_entity *dfu_entity = dfu_get_entity(alt_setting_num); + void *transfer_buffer = dfu_get_buf(dfu_entity); void *buf = transfer_buffer; int usb_pkt_cnt = 0, ret; @@ -205,7 +206,7 @@ static long long int download_head(unsigned long long total, static int download_tail(long long int left, int cnt) { struct dfu_entity *dfu_entity = dfu_get_entity(alt_setting_num); - void *transfer_buffer = dfu_get_buf(); + void *transfer_buffer = dfu_get_buf(dfu_entity); int ret; debug("%s: left: %llu cnt: %d\n", __func__, left, cnt); |