lkml.org 
[lkml]   [2021]   [Dec]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH net-next v10 1/6] stmmac: dwmac-mediatek: add platform level clocks management
Date
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>
---
.../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
\
 
 \ /
  Last update: 2021-12-16 06:54    [W:0.098 / U:0.380 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site