diff mbox series

[net-next,v6,1/6] stmmac: dwmac-mediatek: add platform level clocks management

Message ID 20211208030354.31877-2-biao.huang@mediatek.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series MediaTek Ethernet Patches on MT8195 | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/cc_maintainers success CCed 11 of 11 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/checkpatch warning WARNING: line length of 81 exceeds 80 columns WARNING: line length of 84 exceeds 80 columns WARNING: line length of 85 exceeds 80 columns
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Biao Huang (黄彪) Dec. 8, 2021, 3:03 a.m. UTC 
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  | 25 +++++++++++++------
 1 file changed, 18 insertions(+), 7 deletions(-)

Comments

AngeloGioacchino Del Regno Dec. 9, 2021, 10:50 a.m. UTC | #1 
Il 08/12/21 04:03, Biao Huang ha scritto:
> 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>
diff mbox series

Patch

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);