mc.c (9a38cb27668e275ed912e67388cf11f454a24cc6) mc.c (e852af72a7f21f4d25994365af86a92438d68014)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2014 NVIDIA CORPORATION. All rights reserved.
4 */
5
6#include <linux/clk.h>
7#include <linux/delay.h>
8#include <linux/dma-mapping.h>

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838 return 0;
839
840remove_nodes:
841 icc_nodes_remove(&mc->provider);
842
843 return err;
844}
845
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2014 NVIDIA CORPORATION. All rights reserved.
4 */
5
6#include <linux/clk.h>
7#include <linux/delay.h>
8#include <linux/dma-mapping.h>

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838 return 0;
839
840remove_nodes:
841 icc_nodes_remove(&mc->provider);
842
843 return err;
844}
845
846static void tegra_mc_num_channel_enabled(struct tegra_mc *mc)
847{
848 unsigned int i;
849 u32 value;
850
851 value = mc_ch_readl(mc, 0, MC_EMEM_ADR_CFG_CHANNEL_ENABLE);
852 if (value <= 0) {
853 mc->num_channels = mc->soc->num_channels;
854 return;
855 }
856
857 for (i = 0; i < 32; i++) {
858 if (value & BIT(i))
859 mc->num_channels++;
860 }
861}
862
846static int tegra_mc_probe(struct platform_device *pdev)
847{
848 struct tegra_mc *mc;
849 u64 mask;
850 int err;
851
852 mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL);
853 if (!mc)

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876 mc->debugfs.root = debugfs_create_dir("mc", NULL);
877
878 if (mc->soc->ops && mc->soc->ops->probe) {
879 err = mc->soc->ops->probe(mc);
880 if (err < 0)
881 return err;
882 }
883
863static int tegra_mc_probe(struct platform_device *pdev)
864{
865 struct tegra_mc *mc;
866 u64 mask;
867 int err;
868
869 mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL);
870 if (!mc)

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893 mc->debugfs.root = debugfs_create_dir("mc", NULL);
894
895 if (mc->soc->ops && mc->soc->ops->probe) {
896 err = mc->soc->ops->probe(mc);
897 if (err < 0)
898 return err;
899 }
900
901 tegra_mc_num_channel_enabled(mc);
902
884 if (mc->soc->ops && mc->soc->ops->handle_irq) {
885 mc->irq = platform_get_irq(pdev, 0);
886 if (mc->irq < 0)
887 return mc->irq;
888
889 WARN(!mc->soc->client_id_mask, "missing client ID mask for this SoC\n");
890
891 if (mc->soc->num_channels)

--- 99 unchanged lines hidden --- 		903 if (mc->soc->ops && mc->soc->ops->handle_irq) {
904 mc->irq = platform_get_irq(pdev, 0);
905 if (mc->irq < 0)
906 return mc->irq;
907
908 WARN(!mc->soc->client_id_mask, "missing client ID mask for this SoC\n");
909
910 if (mc->soc->num_channels)

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