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authorThierry Reding <treding@nvidia.com>2021-06-02 18:32:55 +0200
committerKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>2021-06-03 21:49:41 +0200
commitc64738e949940bea2bb426b104b4de0aa42a8f48 (patch)
tree748cc2715c254787a03b14da69efe235ea9ad2ed
parent5c9016f0a8a3ba30c6593d2cb0d067164dd41846 (diff)
downloadlinux-c64738e949940bea2bb426b104b4de0aa42a8f48.tar.bz2
memory: tegra: Make per-SoC setup more generic
The current per-SoC setup code runs at a fairly arbitrary point during probe, thereby making it less flexible for other SoC generations. Move the call around slightly (after only the very basic, common setup that applies to all SoC generations has been performed), which will allow it to be used for other implementations. Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://lore.kernel.org/r/20210602163302.120041-6-thierry.reding@gmail.com Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
-rw-r--r--drivers/memory/tegra/mc.c17
-rw-r--r--drivers/memory/tegra/tegra20.c4
-rw-r--r--include/soc/tegra/mc.h6
3 files changed, 15 insertions, 12 deletions
diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c
index a3b7ba33b7f9..ea2142ba720a 100644
--- a/drivers/memory/tegra/mc.c
+++ b/drivers/memory/tegra/mc.c
@@ -784,6 +784,14 @@ static int tegra_mc_probe(struct platform_device *pdev)
return PTR_ERR(mc->clk);
}
+ mc->debugfs.root = debugfs_create_dir("mc", NULL);
+
+ if (mc->soc->ops && mc->soc->ops->probe) {
+ err = mc->soc->ops->probe(mc);
+ if (err < 0)
+ return err;
+ }
+
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
if (mc->soc == &tegra20_mc_soc) {
isr = tegra20_mc_irq;
@@ -827,15 +835,6 @@ static int tegra_mc_probe(struct platform_device *pdev)
return err;
}
- mc->debugfs.root = debugfs_create_dir("mc", NULL);
-
- if (mc->soc->ops && mc->soc->ops->init) {
- err = mc->soc->ops->init(mc);
- if (err < 0)
- dev_err(&pdev->dev, "failed to initialize SoC driver: %d\n",
- err);
- }
-
err = tegra_mc_reset_setup(mc);
if (err < 0)
dev_err(&pdev->dev, "failed to register reset controller: %d\n",
diff --git a/drivers/memory/tegra/tegra20.c b/drivers/memory/tegra/tegra20.c
index a3335ad20f4d..2c86c0d70d59 100644
--- a/drivers/memory/tegra/tegra20.c
+++ b/drivers/memory/tegra/tegra20.c
@@ -679,7 +679,7 @@ static int tegra20_mc_stats_show(struct seq_file *s, void *unused)
return 0;
}
-static int tegra20_mc_init(struct tegra_mc *mc)
+static int tegra20_mc_probe(struct tegra_mc *mc)
{
debugfs_create_devm_seqfile(mc->dev, "stats", mc->debugfs.root,
tegra20_mc_stats_show);
@@ -714,7 +714,7 @@ static int tegra20_mc_resume(struct tegra_mc *mc)
}
static const struct tegra_mc_ops tegra20_mc_ops = {
- .init = tegra20_mc_init,
+ .probe = tegra20_mc_probe,
.suspend = tegra20_mc_suspend,
.resume = tegra20_mc_resume,
};
diff --git a/include/soc/tegra/mc.h b/include/soc/tegra/mc.h
index 7c49f75087c3..00d16c356db8 100644
--- a/include/soc/tegra/mc.h
+++ b/include/soc/tegra/mc.h
@@ -170,7 +170,11 @@ struct tegra_mc_icc_ops {
};
struct tegra_mc_ops {
- int (*init)(struct tegra_mc *mc);
+ /*
+ * @probe: Callback to set up SoC-specific bits of the memory controller. This is called
+ * after basic, common set up that is done by the SoC-agnostic bits.
+ */
+ int (*probe)(struct tegra_mc *mc);
int (*suspend)(struct tegra_mc *mc);
int (*resume)(struct tegra_mc *mc);
};