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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: 9365bf006f ("PCI: tegra194: Add interconnect support in Tegra234")
Signed-off-by: Sumit Gupta <sumitg@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20230621134400.23070-5-sumitg@nvidia.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
This commit is contained in:
Sumit Gupta 2023-06-21 19:14:00 +05:30 committed by Krzysztof Kozlowski
parent d1478aea64
commit faafd6ca7e
1 changed files with 2 additions and 2 deletions
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4
drivers/memory/tegra/tegra234.c
View File

@ -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 ||