INTEL_QEPCON
intel_qep_writel(qep, INTEL_QEPCON, reg);
reg = intel_qep_readl(qep, INTEL_QEPCON);
intel_qep_writel(qep, INTEL_QEPCON, reg);
reg = intel_qep_readl(qep, INTEL_QEPCON);
reg = intel_qep_readl(qep, INTEL_QEPCON);
intel_qep_writel(qep, INTEL_QEPCON, reg);
reg = intel_qep_readl(qep, INTEL_QEPCON);
reg = intel_qep_readl(qep, INTEL_QEPCON);
intel_qep_writel(qep, INTEL_QEPCON, reg);
intel_qep_writel(qep, INTEL_QEPCON, 0);
qep->qepcon = intel_qep_readl(qep, INTEL_QEPCON);
intel_qep_writel(qep, INTEL_QEPCON, 0);
intel_qep_readl(qep, INTEL_QEPCON);
intel_qep_writel(qep, INTEL_QEPCON, qep->qepcon & ~INTEL_QEPCON_EN);
intel_qep_readl(qep, INTEL_QEPCON);
intel_qep_writel(qep, INTEL_QEPCON, qep->qepcon);
reg = intel_qep_readl(qep, INTEL_QEPCON);
intel_qep_writel(qep, INTEL_QEPCON, reg);
reg = intel_qep_readl(qep, INTEL_QEPCON);