diff options
| author |   Biao Huang <biao.huang@mediatek.com> | 2022-03-14 15:57:07 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-03-16 12:49:22 +0000 |
| commit | 3186bdad97d5f4f4e3b333bb50f9c4b8f51acca6 (patch) | |
| tree | 108c9938029ba8edfc26f79bb452b198794ce0a4 | |
| parent | Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue (diff) | |
| download | linux-dev-3186bdad97d5f4f4e3b333bb50f9c4b8f51acca6.tar.xz linux-dev-3186bdad97d5f4f4e3b333bb50f9c4b8f51acca6.zip | |
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@mediatek.com>
Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c | 25 |
1 files 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); |