diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 40b2f2a6d3c..a1ca0f5007e 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -1209,7 +1209,7 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) { const struct firmware *fw_entry = NULL; void *fw_ptr; - unsigned int pipe, fw_len, fw_done; + unsigned int pipe, fw_len, fw_done, bcnt, icnt; int actual_length; int ret = 0; int fwidx; @@ -1265,11 +1265,11 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) fw_len = fw_entry->size; - if (fw_len % FIRMWARE_CHUNK_SIZE) { + if (fw_len % sizeof(u32)) { pvr2_trace(PVR2_TRACE_ERROR_LEGS, "size of %s firmware" - " must be a multiple of 8192B", - fw_files[fwidx]); + " must be a multiple of %u bytes", + fw_files[fwidx],sizeof(u32)); release_firmware(fw_entry); return -1; } @@ -1284,18 +1284,21 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) pipe = usb_sndbulkpipe(hdw->usb_dev, PVR2_FIRMWARE_ENDPOINT); - for (fw_done = 0 ; (fw_done < fw_len) && !ret ; - fw_done += FIRMWARE_CHUNK_SIZE ) { - int i; - memcpy(fw_ptr, fw_entry->data + fw_done, FIRMWARE_CHUNK_SIZE); - /* Usbsnoop log shows that we must swap bytes... */ - for (i = 0; i < FIRMWARE_CHUNK_SIZE/4 ; i++) - ((u32 *)fw_ptr)[i] = ___swab32(((u32 *)fw_ptr)[i]); - - ret |= usb_bulk_msg(hdw->usb_dev, pipe, fw_ptr, - FIRMWARE_CHUNK_SIZE, + fw_done = 0; + for (fw_done = 0; fw_done < fw_len;) { + bcnt = fw_len - fw_done; + if (bcnt > FIRMWARE_CHUNK_SIZE) bcnt = FIRMWARE_CHUNK_SIZE; + memcpy(fw_ptr, fw_entry->data + fw_done, bcnt); + /* Usbsnoop log shows that we must swap bytes... */ + for (icnt = 0; icnt < bcnt/4 ; icnt++) + ((u32 *)fw_ptr)[icnt] = + ___swab32(((u32 *)fw_ptr)[icnt]); + + ret |= usb_bulk_msg(hdw->usb_dev, pipe, fw_ptr,bcnt, &actual_length, HZ); - ret |= (actual_length != FIRMWARE_CHUNK_SIZE); + ret |= (actual_length != bcnt); + if (ret) break; + fw_done += bcnt; } trace_firmware("upload of %s : %i / %i ", |