ISI_CTRL_SRST
if (pending & ISI_CTRL_SRST) {
isi_writel(isi, ISI_INTDIS, ISI_CTRL_SRST);
isi_writel(isi, ISI_INTEN, ISI_CTRL_SRST);
isi_writel(isi, ISI_CTRL, ISI_CTRL_SRST);