From: Thierry Reding <tred...@nvidia.com>
Registering as memory controller allows other drivers to obtain a
reference to it. This is mostly useful as a way of ordering probe
between devices depending on one another.
Signed-off-by: Thierry Reding <tred...@nvidia.com>
---
drivers/memory/tegra/tegra186.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c
index 441213a35930..e94e960a79f4 100644
--- a/drivers/memory/tegra/tegra186.c
+++ b/drivers/memory/tegra/tegra186.c
@@ -4,6 +4,7 @@
*/
#include <linux/io.h>
+#include <linux/memory-controller.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
@@ -11,6 +12,7 @@
#include <dt-bindings/memory/tegra186-mc.h>
struct tegra_mc {
+ struct memory_controller base;
struct device *dev;
void __iomem *regs;
};
@@ -548,7 +550,7 @@ static int tegra186_mc_probe(struct platform_device *pdev)
if (IS_ERR(mc->regs))
return PTR_ERR(mc->regs);
- mc->dev = &pdev->dev;
+ mc->base.dev = &pdev->dev;
for (i = 0; i < ARRAY_SIZE(tegra186_mc_clients); i++) {
const struct tegra_mc_client *client = &tegra186_mc_clients[i];
@@ -571,6 +573,10 @@ static int tegra186_mc_probe(struct platform_device *pdev)
client->name, override, security);
}
+ err = memory_controller_register(&mc->base);
+ if (err < 0)
+ return err;
+
platform_set_drvdata(pdev, mc);
return err;
--
2.23.0
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