SST_MAILBOX_SIZE
return ((size <= SST_MAILBOX_SIZE) ? true : false);
fw_save->sram = kvzalloc(SST_MAILBOX_SIZE, GFP_KERNEL);
memcpy32_fromio(fw_save->sram, ctx->mailbox, SST_MAILBOX_SIZE);
memcpy32_toio(ctx->mailbox, fw_save->sram, SST_MAILBOX_SIZE);
msg->mailbox_data = kzalloc(SST_MAILBOX_SIZE, GFP_ATOMIC);