Re: [PATCH v4 3/3] memory: tegra124-emc: Add EMC driver

From: Stephen Warren
Date: Tue Aug 26 2014 - 13:17:54 EST

On 08/26/2014 07:12 AM, Tomeu Vizoso wrote:
Sets the EMC clock rate based on the bandwidth requirements registered by
memory clients through the PM_QOS_MEMORY_BANDWIDTH class.

Note: this is just an example and not a proper driver for a external memory
controller. Its only purpose is to illustrate how such a driver would set the
frequency of the external memory clock based on the bandwidth requirements of
memory clients.

diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c

@@ -112,6 +117,11 @@ static void __init tegra_dt_init(void)
parent = soc_device_to_device(soc_dev);

+ * HACK: register a platform device to probe the driver
+ */
+ platform_device_register(&tegra_emc);

I don't think this is a hack, except for the bug: That should only happen on Tegra124 not on all Tegra SoCs.

Do you intend all 3 patches in this series to be merged? You'd mentioned you didn't when asked about this for a previous version. I'm not sure if that's changed?

To merge, I'd need Thierry's ack on patch 2, and Thierry's, Peter's, Mikko's, and/or Tuomas's on this patch.
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