linux-kernel - Re: [PATCH v1 7/9] memory: tegra: Add Tegra114 EMC driver

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Message-ID: <a2170519-ec9d-4453-a2ee-0cd46d94d52b@gmail.com>
Date: Thu, 6 Mar 2025 23:06:52 +0300
From: Dmitry Osipenko <digetx@...il.com>
To: Svyatoslav Ryhel <clamor95@...il.com>
Cc: Krzysztof Kozlowski <krzk@...nel.org>, Rob Herring <robh@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Thierry Reding
 <thierry.reding@...il.com>, Jonathan Hunter <jonathanh@...dia.com>,
 Prashant Gaikwad <pgaikwad@...dia.com>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Jonathan Cameron <Jonathan.Cameron@...wei.com>,
 Georgi Djakov <djakov@...nel.org>, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
 linux-clk@...r.kernel.org
Subject: Re: [PATCH v1 7/9] memory: tegra: Add Tegra114 EMC driver

06.03.2025 22:48, Svyatoslav Ryhel пишет:
> чт, 6 бер. 2025 р. о 21:42 Dmitry Osipenko <digetx@...il.com> пише:
>>
>> 25.02.2025 17:34, Svyatoslav Ryhel пишет:
>>> +     /* Read register to wait until programming has settled */
>>> +     readl(emc->regs + EMC_INTSTATUS);
>>
>> Tegra4 TRM says this must be MC register and not EMC
>>
> 
> Are you sure? Tegra4 has no MC_INTSTATUS but it has EMC_INTSTATUS

Can be any MC register, downstream driver reads MC_EMEM_ADR_CFG.