CONTROL_SET
reg_write(ohci, CONTROL_SET(ctx->regs), CONTEXT_RUN | extra);
reg = reg_read(ohci, CONTROL_SET(ctx->regs));
reg_write(ohci, CONTROL_SET(context->regs), CONTEXT_WAKE);
ctl = reg_read(ohci, CONTROL_SET(regs));
reg_write(ctx->ohci, CONTROL_SET(ctx->regs), CONTEXT_WAKE);
reg_write(ctx->ohci, CONTROL_SET(ctx->regs), CONTEXT_WAKE);
reg_write(ctx->ohci, CONTROL_SET(ctx->regs), CONTEXT_RUN);