On 22-04-25, 18:39, Fabrizio Castro wrote: > The DMAC IP found on the Renesas RZ/V2H(P) family of SoCs is > similar to the version found on the Renesas RZ/G2L family of > SoCs, but there are some differences: > * It only uses one register area > * It only uses one clock > * It only uses one reset > * Instead of using MID/IRD it uses REQ No > * It is connected to the Interrupt Control Unit (ICU) > * On the RZ/G2L there is only 1 DMAC, on the RZ/V2H(P) there are 5 > > Add specific support for the Renesas RZ/V2H(P) family of SoC by > tackling the aforementioned differences. > > Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx> > Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > --- > v5->v6: > * Collected tags. > v4->v5: > * Reused RZ/G2L cell specification (with REQ No in place of MID/RID). > * Dropped ACK No. > * Removed mid_rid/req_no/ack_no union and reused mid_rid for REQ No. > * Other small improvements. > v3->v4: > * Fixed an issue with mid_rid/req_no/ack_no initialization > v2->v3: > * Dropped change to Kconfig. > * Replaced rz_dmac_type with has_icu flag. > * Put req_no and ack_no in an anonymous struct, nested under an > anonymous union with mid_rid. > * Dropped data field of_rz_dmac_match[], and added logic to determine > value of has_icu flag from DT parsing. > v1->v2: > * Switched to new macros for minimum values. > --- > drivers/dma/sh/rz-dmac.c | 81 ++++++++++++++++++++++++++++++++++++---- > 1 file changed, 74 insertions(+), 7 deletions(-) > > diff --git a/drivers/dma/sh/rz-dmac.c b/drivers/dma/sh/rz-dmac.c > index d7a4ce28040b..1f687b08d6b8 100644 > --- a/drivers/dma/sh/rz-dmac.c > +++ b/drivers/dma/sh/rz-dmac.c > @@ -14,6 +14,7 @@ > #include <linux/dmaengine.h> > #include <linux/interrupt.h> > #include <linux/iopoll.h> > +#include <linux/irqchip/irq-renesas-rzv2h.h> This does not exist for me or in the patches that was sent to me. I have dropped this series due to build failure after picking up dmaengine patches drivers/dma/sh/rz-dmac.c:17:10: fatal error: linux/irqchip/irq-renesas-rzv2h.h: No such file or directory -- ~Vinod
