p->clear_dma            = omap1_clear_dma;
        p->dma_write            = dma_write;
        p->dma_read             = dma_read;
-       p->disable_irq_lch      = NULL;
 
        p->errata = configure_dma_errata();
 
 
        return val;
 }
 
-static inline void omap2_disable_irq_lch(int lch)
-{
-       u32 val;
-
-       val = dma_read(IRQENABLE_L0, lch);
-       val &= ~(1 << lch);
-       dma_write(val, IRQENABLE_L0, lch);
-}
-
 static void omap2_clear_dma(int lch)
 {
        int i = dma_common_ch_start;
        }
 
        p->dma_attr             = (struct omap_dma_dev_attr *)oh->dev_attr;
-       p->disable_irq_lch      = omap2_disable_irq_lch;
        p->show_dma_caps        = omap2_show_dma_caps;
        p->clear_dma            = omap2_clear_dma;
        p->dma_write            = dma_write;
 
 struct omap_system_dma_plat_info {
        struct omap_dma_dev_attr *dma_attr;
        u32 errata;
-       void (*disable_irq_lch)(int lch);
        void (*show_dma_caps)(void);
        void (*clear_lch_regs)(int lch);
        void (*clear_dma)(int lch);