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Date: Fri, 10 Dec 2021 09:31:24 +0800 From: Biao Huang <biao.huang@...iatek.com> To: <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Rob Herring <robh+dt@...nel.org> CC: Matthias Brugger <matthias.bgg@...il.com>, Giuseppe Cavallaro <peppe.cavallaro@...com>, Alexandre Torgue <alexandre.torgue@...s.st.com>, Jose Abreu <joabreu@...opsys.com>, Maxime Coquelin <mcoquelin.stm32@...il.com>, Biao Huang <biao.huang@...iatek.com>, <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-mediatek@...ts.infradead.org>, <linux-stm32@...md-mailman.stormreply.com>, <srv_heupstream@...iatek.com>, <macpaul.lin@...iatek.com>, <angelogioacchino.delregno@...labora.com>, <dkirjanov@...e.de> Subject: [PATCH net-next v8 1/6] stmmac: dwmac-mediatek: add platform level clocks management This patch implements clks_config callback for dwmac-mediatek platform, which could support platform level clocks management. Signed-off-by: Biao Huang <biao.huang@...iatek.com> Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com> --- .../ethernet/stmicro/stmmac/dwmac-mediatek.c | 25 +++++++++++++------ 1 file changed, 18 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c index 58c0feaa8131..0ff57c268dca 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c @@ -9,7 +9,6 @@ #include <linux/of.h> #include <linux/of_device.h> #include <linux/of_net.h> -#include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/stmmac.h> @@ -359,9 +358,6 @@ 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 +366,25 @@ 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 +430,7 @@ 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
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