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[v4,32/37] memory: tegra20-emc: Create tegra20-devfreq device

Message ID 20200609131404.17523-33-digetx@gmail.com (mailing list archive)
State Not Applicable, archived
Headers show
Series Introduce memory interconnect for NVIDIA Tegra SoCs | expand

Commit Message

Dmitry Osipenko June 9, 2020, 1:13 p.m. UTC
The tegra20-devfreq driver provides memory frequency scaling functionality
and it uses EMC clock for the scaling. Since tegra20-devfreq is a software
driver, the device for the driver needs to be created manually. Let's do
it from EMC driver since it provides the clk rate-change functionality.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
 drivers/memory/tegra/tegra20-emc.c | 3 +++
 1 file changed, 3 insertions(+)
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diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c
index ef0f5a69f24b..59d85e527516 100644
--- a/drivers/memory/tegra/tegra20-emc.c
+++ b/drivers/memory/tegra/tegra20-emc.c
@@ -877,6 +877,9 @@  static int tegra_emc_probe(struct platform_device *pdev)
+		platform_device_register_simple("tegra20-devfreq", -1, NULL, 0);
 	 * Don't allow the kernel module to be unloaded. Unloading adds some
 	 * extra complexity which doesn't really worth the effort in a case of