linux-kernel - [PATCH v4 05/10] memory: tegra20-emc: Replace clk_get_sys with devm_clk

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Message-Id: <20190616233551.6838-6-digetx@gmail.com>
Date:   Mon, 17 Jun 2019 02:35:46 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Joseph Lo <josephl@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Prashant Gaikwad <pgaikwad@...dia.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v4 05/10] memory: tegra20-emc: Replace clk_get_sys with devm_clk_get

There is no problem for drivers to request pll_m and pll_p clocks for
the device, hence there is no need to use clk_get_sys() and it could be
replaced with devm_clk_get() for consistency.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 drivers/memory/tegra/tegra20-emc.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c
index 43aef3614b65..527aa4b90e95 100644
--- a/drivers/memory/tegra/tegra20-emc.c
+++ b/drivers/memory/tegra/tegra20-emc.c
@@ -527,33 +527,29 @@ static int tegra_emc_probe(struct platform_device *pdev)
 		goto unset_cb;
 	}
 
-	emc->pll_m = clk_get_sys(NULL, "pll_m");
+	emc->pll_m = devm_clk_get(&pdev->dev, "pll_m");
 	if (IS_ERR(emc->pll_m)) {
 		err = PTR_ERR(emc->pll_m);
 		dev_err(&pdev->dev, "failed to get pll_m clock: %d\n", err);
 		goto unset_cb;
 	}
 
-	emc->backup_clk = clk_get_sys(NULL, "pll_p");
+	emc->backup_clk = devm_clk_get(&pdev->dev, "pll_p");
 	if (IS_ERR(emc->backup_clk)) {
 		err = PTR_ERR(emc->backup_clk);
 		dev_err(&pdev->dev, "failed to get pll_p clock: %d\n", err);
-		goto put_pll_m;
+		goto unset_cb;
 	}
 
 	err = clk_notifier_register(emc->clk, &emc->clk_nb);
 	if (err) {
 		dev_err(&pdev->dev, "failed to register clk notifier: %d\n",
 			err);
-		goto put_backup;
+		goto unset_cb;
 	}
 
 	return 0;
 
-put_backup:
-	clk_put(emc->backup_clk);
-put_pll_m:
-	clk_put(emc->pll_m);
 unset_cb:
 	tegra20_clk_set_emc_round_callback(NULL, NULL);
 
-- 
2.22.0