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domenico
2025-06-24 14:35:53 +02:00
commit c06fb25d1f
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71
target/linux/stm32/patches-6.6/005-net-stmmac-dwmac-stm32-Extract-PMCR-configuration.patch Normal file
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@@ -0,0 +1,71 @@
From bb7ab910631ee0ade0758a3c4aa8dadc3b6934b6 Mon Sep 17 00:00:00 2001
From: Marek Vasut <marex@denx.de>
Date: Tue, 11 Jun 2024 10:36:02 +0200
Subject: [PATCH 5/8] net: stmmac: dwmac-stm32: Extract PMCR configuration
Pull the PMCR clock mux configuration into a separate function. This is
the final change of three, which moves external clock rate validation,
external clock selector decoding, and clock mux configuration into
separate functions. This should make the code easier to understand.
No functional change intended.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Christophe Roullier <christophe.roullier@foss.st.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
.../net/ethernet/stmicro/stmmac/dwmac-stm32.c | 27 ++++++++++++-------
1 file changed, 17 insertions(+), 10 deletions(-)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
@@ -219,15 +219,11 @@ static int stm32mp1_validate_ethck_rate(
return -EINVAL;
}
-static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat)
+static int stm32mp1_configure_pmcr(struct plat_stmmacenet_data *plat_dat)
{
struct stm32_dwmac *dwmac = plat_dat->bsp_priv;
u32 reg = dwmac->mode_reg;
- int val, ret;
-
- ret = stm32mp1_select_ethck_external(plat_dat);
- if (ret)
- return ret;
+ int val;
switch (plat_dat->mac_interface) {
case PHY_INTERFACE_MODE_MII:
@@ -262,10 +258,6 @@ static int stm32mp1_set_mode(struct plat
return -EINVAL;
}
- ret = stm32mp1_validate_ethck_rate(plat_dat);
- if (ret)
- return ret;
-
/* Need to update PMCCLRR (clear register) */
regmap_write(dwmac->regmap, reg + SYSCFG_PMCCLRR_OFFSET,
dwmac->ops->syscfg_eth_mask);
@@ -275,6 +267,21 @@ static int stm32mp1_set_mode(struct plat
dwmac->ops->syscfg_eth_mask, val);
}
+static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat)
+{
+ int ret;
+
+ ret = stm32mp1_select_ethck_external(plat_dat);
+ if (ret)
+ return ret;
+
+ ret = stm32mp1_validate_ethck_rate(plat_dat);
+ if (ret)
+ return ret;
+
+ return stm32mp1_configure_pmcr(plat_dat);
+}
+
static int stm32mcu_set_mode(struct plat_stmmacenet_data *plat_dat)
{
struct stm32_dwmac *dwmac = plat_dat->bsp_priv;