kernel/0121-fix-eth-Add-tbu-power-down-when-clk-off.patch
2024-12-19 16:34:44 -05:00

42 lines
1.3 KiB
Diff

From 3904341ab6af6f33d14d0c3417cd9230b20c9051 Mon Sep 17 00:00:00 2001
From: fanglifei <fanglifei@eswincomputing.com>
Date: Fri, 26 Jul 2024 10:41:37 +0800
Subject: [PATCH 121/219] fix(eth): Add tbu power down when clk off
Changelogs:
1. Add tbu power up or down when clk on or off
Signed-off-by: fanglifei <fanglifei@eswincomputing.com>
---
drivers/net/ethernet/stmicro/stmmac/dwmac-win2030.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-win2030.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-win2030.c
index 5a83b55357fb..e80061c95639 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-win2030.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-win2030.c
@@ -301,7 +301,20 @@ static int dwc_clks_config(void *priv, bool enabled)
dev_err(dwc_priv->dev, "failed to enable tx clock: %d\n", ret);
return ret;
}
+
+ ret = win2030_tbu_power(dwc_priv->dev, true);
+ if (ret) {
+ dev_err(dwc_priv->dev, "failed to power up tbu\n");
+ return ret;
+ }
} else {
+
+ ret = win2030_tbu_power(dwc_priv->dev, false);
+ if (ret) {
+ dev_err(dwc_priv->dev, "failed to power down tbu\n");
+ return ret;
+ }
+
clk_disable_unprepare(dwc_priv->clk_tx);
clk_disable_unprepare(dwc_priv->clk_csr);
clk_disable_unprepare(dwc_priv->clk_app);
--
2.47.0