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[46.91.226.206]) by smtp.gmail.com with ESMTPSA id t123sm37314754wma.40.2019.10.15.09.29.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2019 09:29:51 -0700 (PDT) From: Thierry Reding To: Arnd Bergmann Cc: Will Deacon , Robin Murphy , Jonathan Hunter , linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, linux-tegra@vger.kernel.org Subject: [RFC 2/3] memory: tegra186: Register as memory controller Date: Tue, 15 Oct 2019 18:29:44 +0200 Message-Id: <20191015162945.1203736-3-thierry.reding@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191015162945.1203736-1-thierry.reding@gmail.com> References: <20191015162945.1203736-1-thierry.reding@gmail.com> MIME-Version: 1.0 Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org From: Thierry Reding 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 --- 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 +#include #include #include #include @@ -11,6 +12,7 @@ #include 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;