2024-12-19 21:34:44 +00:00
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From 3904341ab6af6f33d14d0c3417cd9230b20c9051 Mon Sep 17 00:00:00 2001
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2024-12-15 18:29:23 +00:00
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From: fanglifei <fanglifei@eswincomputing.com>
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Date: Fri, 26 Jul 2024 10:41:37 +0800
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Subject: [PATCH 121/219] fix(eth): Add tbu power down when clk off
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Changelogs:
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1. Add tbu power up or down when clk on or off
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Signed-off-by: fanglifei <fanglifei@eswincomputing.com>
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---
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drivers/net/ethernet/stmicro/stmmac/dwmac-win2030.c | 13 +++++++++++++
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1 file changed, 13 insertions(+)
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diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-win2030.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-win2030.c
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index 5a83b55357fb..e80061c95639 100644
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--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-win2030.c
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+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-win2030.c
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@@ -301,7 +301,20 @@ static int dwc_clks_config(void *priv, bool enabled)
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dev_err(dwc_priv->dev, "failed to enable tx clock: %d\n", ret);
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return ret;
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}
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+
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+ ret = win2030_tbu_power(dwc_priv->dev, true);
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+ if (ret) {
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+ dev_err(dwc_priv->dev, "failed to power up tbu\n");
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+ return ret;
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+ }
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} else {
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+
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+ ret = win2030_tbu_power(dwc_priv->dev, false);
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+ if (ret) {
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+ dev_err(dwc_priv->dev, "failed to power down tbu\n");
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+ return ret;
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+ }
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+
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clk_disable_unprepare(dwc_priv->clk_tx);
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clk_disable_unprepare(dwc_priv->clk_csr);
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clk_disable_unprepare(dwc_priv->clk_app);
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--
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2.47.0
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