Commit aa8a4c4e authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Vinod Koul
Browse files

dmaengine: ti: k3-udma-glue: Get the ringacc from udma_dev 



If of_xudma_dev_get() returns with the valid udma_dev then the driver
already got the ringacc, there is no need to execute
of_k3_ringacc_get_by_phandle() for each channel via the glue layer.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: default avatarGrygorii Strashko <grygorii.strashko@ti.com>
Link: https://lore.kernel.org/r/20201208090440.31792-6-peter.ujfalusi@ti.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 426506a7

drivers/dma/ti/k3-udma-glue.c

+1 −5
Original line number Diff line number Diff line
@@ -86,15 +86,11 @@ struct k3_udma_glue_rx_channel { 
static int of_k3_udma_glue_parse(struct device_node *udmax_np,

				 struct k3_udma_glue_common *common)

{

	common->ringacc = of_k3_ringacc_get_by_phandle(udmax_np,

						       "ti,ringacc");

	if (IS_ERR(common->ringacc))

		return PTR_ERR(common->ringacc);



	common->udmax = of_xudma_dev_get(udmax_np, NULL);

	if (IS_ERR(common->udmax))

		return PTR_ERR(common->udmax);



	common->ringacc = xudma_get_ringacc(common->udmax);

	common->tisci_rm = xudma_dev_get_tisci_rm(common->udmax);



	return 0;

drivers/dma/ti/k3-udma-private.c

+6 −0
Original line number Diff line number Diff line
@@ -56,6 +56,12 @@ struct device *xudma_get_device(struct udma_dev *ud) 
}

EXPORT_SYMBOL(xudma_get_device);



struct k3_ringacc *xudma_get_ringacc(struct udma_dev *ud)

{

	return ud->ringacc;

}

EXPORT_SYMBOL(xudma_get_ringacc);



u32 xudma_dev_get_psil_base(struct udma_dev *ud)

{

	return ud->psil_base;

drivers/dma/ti/k3-udma.h

+1 −0
Original line number Diff line number Diff line
@@ -113,6 +113,7 @@ int xudma_navss_psil_unpair(struct udma_dev *ud, u32 src_thread, 


struct udma_dev *of_xudma_dev_get(struct device_node *np, const char *property);

struct device *xudma_get_device(struct udma_dev *ud);

struct k3_ringacc *xudma_get_ringacc(struct udma_dev *ud);

void xudma_dev_put(struct udma_dev *ud);

u32 xudma_dev_get_psil_base(struct udma_dev *ud);

struct udma_tisci_rm *xudma_dev_get_tisci_rm(struct udma_dev *ud);

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