diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2020-12-08 10:04:25 +0100 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-12-11 16:50:08 +0100 |
| commit | aa8a4c4edad0bed7aaf3a7cfcae9fa555d847955 (patch) | |
| tree | 92e690eb9c6c6f72a70257b5c07c0925b4505309 /drivers/dma | |
| parent | dmaengine: ti: k3-udma-glue: Add function to get device pointer for DMA API (diff) | |
| download | linux-aa8a4c4edad0bed7aaf3a7cfcae9fa555d847955.tar.xz linux-aa8a4c4edad0bed7aaf3a7cfcae9fa555d847955.zip | |
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: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Link: https://lore.kernel.org/r/20201208090440.31792-6-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/ti/k3-udma-glue.c | 6 | ||||
| -rw-r--r-- | drivers/dma/ti/k3-udma-private.c | 6 | ||||
| -rw-r--r-- | drivers/dma/ti/k3-udma.h | 1 |
3 files changed, 8 insertions, 5 deletions
diff --git a/drivers/dma/ti/k3-udma-glue.c b/drivers/dma/ti/k3-udma-glue.c index 29d1524d1916..8a8988be4175 100644 --- a/drivers/dma/ti/k3-udma-glue.c +++ b/drivers/dma/ti/k3-udma-glue.c @@ -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; diff --git a/drivers/dma/ti/k3-udma-private.c b/drivers/dma/ti/k3-udma-private.c index 8ff7a264be03..346a4dd9640a 100644 --- a/drivers/dma/ti/k3-udma-private.c +++ b/drivers/dma/ti/k3-udma-private.c @@ -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; diff --git a/drivers/dma/ti/k3-udma.h b/drivers/dma/ti/k3-udma.h index d1cace0cb43b..b4334b1b7b14 100644 --- a/drivers/dma/ti/k3-udma.h +++ b/drivers/dma/ti/k3-udma.h @@ -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); |