Manju, Is this patch can build? > -----Original Message----- > From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap-owner@xxxxxxxxxxxxxxx] On Behalf Of G, > Manjunath Kondaiah > Sent: Tuesday, March 02, 2010 3:46 PM > To: linux-omap@xxxxxxxxxxxxxxx > Cc: G, Manjunath Kondaiah; Tony Lindgren; S, Venkatraman; Raja, Govindraj > Subject: [PATCH] OMAP: DMA: Add API for setting channel dest addr > > The new API - omap_set_dma_dst_pos(int lch, int value) is added > for setting channel destination address in CPC/CDAC register > > Cc: Tony Lindgren <tony@xxxxxxxxxxx> > Cc: S, Venkatraman <svenkatr@xxxxxx> > Signed-off-by: Manjunatha GK <manjugk@xxxxxx> > Signed-off-by: Govindraj R <govindraj.raja@xxxxxx> > --- > arch/arm/plat-omap/dma.c | 17 +++++++++++++++++ > arch/arm/plat-omap/include/plat/dma.h | 1 + > 2 files changed, 18 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c > index 2ab224c..9a2a5c4 100644 > --- a/arch/arm/plat-omap/dma.c > +++ b/arch/arm/plat-omap/dma.c > @@ -1109,6 +1109,23 @@ dma_addr_t omap_get_dma_dst_pos(int lch) > } > EXPORT_SYMBOL(omap_get_dma_dst_pos); > > +/** > + * omap_set_dma_dst_pos() - Set DMA channel destination address > + * @arg1: lch DMA logical channel number > + * @arg2: value Value to write into CDAC register > + * > + * Writes "value" into the register CPC/CDAC > + */ > +void omap_set_dma_dst_pos(int lch, int value) > +{ > + if (cpu_is_omap15xx()) > + dma_write(CPC(lch), value); > + else > + dma_write(CDAC(lcd), value); > Should be "dma_write(CDAC(lch), value);" > + > +} > +EXPORT_SYMBOL(omap_set_dma_dst_pos); > + > int omap_get_dma_active_status(int lch) > { > return (dma_read(CCR(lch)) & OMAP_DMA_CCR_EN) != 0; > diff --git a/arch/arm/plat-omap/include/plat/dma.h b/arch/arm/plat-omap/include/plat/dma.h > index 02232ca..3b6e43e 100644 > --- a/arch/arm/plat-omap/include/plat/dma.h > +++ b/arch/arm/plat-omap/include/plat/dma.h > @@ -509,6 +509,7 @@ extern int omap_set_dma_callback(int lch, > void *data); > extern dma_addr_t omap_get_dma_src_pos(int lch); > extern dma_addr_t omap_get_dma_dst_pos(int lch); > +extern void omap_set_dma_dst_pos(int lch, int value); > extern void omap_clear_dma(int lch); > extern int omap_get_dma_active_status(int lch); > extern int omap_dma_running(void); > -- > 1.6.0.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
