From: Biao Huang <biao.huang@mediatek.com>
To: <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>,
Rob Herring <robh+dt@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>,
Giuseppe Cavallaro <peppe.cavallaro@st.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Jose Abreu <joabreu@synopsys.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Biao Huang <biao.huang@mediatek.com>, <netdev@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<srv_heupstream@mediatek.com>, <macpaul.lin@mediatek.com>
Subject: [PATCH 1/5] net: stmmac: dwmac-mediatek: add platform level clocks management
Date: Wed, 10 Nov 2021 16:39:44 +0800 [thread overview]
Message-ID: <20211110083948.6082-2-biao.huang@mediatek.com> (raw)
In-Reply-To: <20211110083948.6082-1-biao.huang@mediatek.com>
This patch implements clks_config callback for dwmac-mediatek platform,
which could support platform level clocks management.
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
---
.../ethernet/stmicro/stmmac/dwmac-mediatek.c | 24 ++++++++++++++-----
1 file changed, 18 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
index 58c0feaa8131..157ff655c85e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
@@ -359,9 +359,6 @@ static int mediatek_dwmac_init(struct platform_device *pdev, void *priv)
return ret;
}
- pm_runtime_enable(&pdev->dev);
- pm_runtime_get_sync(&pdev->dev);
-
return 0;
}
@@ -370,11 +367,25 @@ static void mediatek_dwmac_exit(struct platform_device *pdev, void *priv)
struct mediatek_dwmac_plat_data *plat = priv;
clk_bulk_disable_unprepare(plat->num_clks_to_config, plat->clks);
-
- pm_runtime_put_sync(&pdev->dev);
- pm_runtime_disable(&pdev->dev);
}
+static int mediatek_dwmac_clks_config(void *priv, bool enabled)
+{
+ struct mediatek_dwmac_plat_data *plat = priv;
+ int ret = 0;
+
+ if (enabled) {
+ ret = clk_bulk_prepare_enable(plat->num_clks_to_config, plat->clks);
+ if (ret) {
+ dev_err(plat->dev, "failed to enable clks, err = %d\n", ret);
+ return ret;
+ }
+ } else {
+ clk_bulk_disable_unprepare(plat->num_clks_to_config, plat->clks);
+ }
+
+ return ret;
+}
static int mediatek_dwmac_probe(struct platform_device *pdev)
{
struct mediatek_dwmac_plat_data *priv_plat;
@@ -420,6 +431,7 @@ static int mediatek_dwmac_probe(struct platform_device *pdev)
plat_dat->bsp_priv = priv_plat;
plat_dat->init = mediatek_dwmac_init;
plat_dat->exit = mediatek_dwmac_exit;
+ plat_dat->clks_config = mediatek_dwmac_clks_config;
mediatek_dwmac_init(pdev, priv_plat);
ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
--
2.25.1
next prev parent reply other threads:[~2021-11-10 8:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-10 8:39 [PATCH 0/5] MediaTek Ethernet Patches on MT8195 Biao Huang
2021-11-10 8:39 ` Biao Huang [this message]
2021-11-10 8:39 ` [PATCH 2/5] net: stmmac: dwmac-mediatek: Reuse more common features Biao Huang
2021-11-10 8:39 ` [PATCH 3/5] net: stmmac: dwmac-mediatek: add support for mt8195 Biao Huang
2021-11-10 8:39 ` [PATCH 4/5] dt-bindings: net: dwmac: Convert mediatek-dwmac to DT schema Biao Huang
2021-11-10 19:44 ` Rob Herring
2021-11-11 6:15 ` Biao Huang
2021-11-10 8:39 ` [PATCH 5/5] arm64: dts: mt8195: add ethernet device node Biao Huang
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