Commit faafd6ca authored by Sumit Gupta's avatar Sumit Gupta Committed by Krzysztof Kozlowski
Browse files

memory: tegra: make icc_set_bw return zero if BWMGR not supported 



Return zero from icc_set_bw() to MC client driver if MRQ_BWMGR_INT
is not supported by the BPMP-FW. Currently, 'EINVAL' is returned
which causes error message in client drivers even when the platform
doesn't support scaling.

Fixes: 9365bf00 ("PCI: tegra194: Add interconnect support in Tegra234")
Signed-off-by: default avatarSumit Gupta <sumitg@nvidia.com>
Acked-by: default avatarThierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20230621134400.23070-5-sumitg@nvidia.com


Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
parent d1478aea

drivers/memory/tegra/tegra234.c

+2 −2
Original line number Diff line number Diff line
@@ -827,7 +827,7 @@ static int tegra234_mc_icc_set(struct icc_node *src, struct icc_node *dst) 
		return 0;



	if (!mc->bwmgr_mrq_supported)

		return -EINVAL;

		return 0;



	if (!mc->bpmp) {

		dev_err(mc->dev, "BPMP reference NULL\n");
@@ -874,7 +874,7 @@ static int tegra234_mc_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw, 
	struct tegra_mc *mc = icc_provider_to_tegra_mc(p);



	if (!mc->bwmgr_mrq_supported)

		return -EINVAL;

		return 0;



	if (node->id == TEGRA_ICC_MC_CPU_CLUSTER0 ||

	    node->id == TEGRA_ICC_MC_CPU_CLUSTER1 ||