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Date: Thu, 28 Sep 2023 14:24:21 +0200
From: Christophe Roullier <christophe.roullier@...s.st.com>
To: "David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Richard Cochran <richardcochran@...il.com>,
Jose Abreu <joabreu@...opsys.com>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Christophe Roullier <christophe.roullier@...s.st.com>
CC: <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH v2 06/12] net: ethernet: stmmac: stm32: update config management for phy wo cristal
From: Christophe Roullier <christophe.roullier@...com>
Some cleaning because some Ethernet PHY configs do not need to add st,ext-phyclk property
Change print info message "No phy clock provided" only when debug
Signed-off-by: Christophe Roullier <christophe.roullier@...s.st.com>
---
.../net/ethernet/stmicro/stmmac/dwmac-stm32.c | 27 ++++++++++---------
1 file changed, 14 insertions(+), 13 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
index a071dc6ffc95b..1210062f0832a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
@@ -55,17 +55,17 @@
*| | | 25MHz | 50MHz | |
* ---------------------------------------------------------------------------
*| MII | - | eth-ck | n/a | n/a |
- *| | | st,ext-phyclk | | |
+ *| | | | | |
* ---------------------------------------------------------------------------
*| GMII | - | eth-ck | n/a | n/a |
- *| | | st,ext-phyclk | | |
+ *| | | | | |
* ---------------------------------------------------------------------------
*| RGMII | - | eth-ck | n/a | eth-ck |
- *| | | st,ext-phyclk | | st,eth-clk-sel or|
+ *| | | | | st,eth-clk-sel or|
*| | | | | st,ext-phyclk |
* ---------------------------------------------------------------------------
*| RMII | - | eth-ck | eth-ck | n/a |
- *| | | st,ext-phyclk | st,eth-ref-clk-sel | |
+ *| | | | st,eth-ref-clk-sel | |
*| | | | or st,ext-phyclk | |
* ---------------------------------------------------------------------------
*
@@ -180,23 +180,22 @@ static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat)
dwmac->enable_eth_ck = false;
switch (plat_dat->mac_interface) {
case PHY_INTERFACE_MODE_MII:
- if (clk_rate == ETH_CK_F_25M && dwmac->ext_phyclk)
+ if (clk_rate == ETH_CK_F_25M)
dwmac->enable_eth_ck = true;
val = dwmac->ops->pmcsetr.eth1_selmii;
pr_debug("SYSCFG init : PHY_INTERFACE_MODE_MII\n");
break;
case PHY_INTERFACE_MODE_GMII:
val = SYSCFG_PMCR_ETH_SEL_GMII;
- if (clk_rate == ETH_CK_F_25M &&
- (dwmac->eth_clk_sel_reg || dwmac->ext_phyclk)) {
+ if (clk_rate == ETH_CK_F_25M)
dwmac->enable_eth_ck = true;
- val |= dwmac->ops->pmcsetr.eth1_clk_sel;
- }
pr_debug("SYSCFG init : PHY_INTERFACE_MODE_GMII\n");
break;
case PHY_INTERFACE_MODE_RMII:
val = dwmac->ops->pmcsetr.eth1_sel_rmii | dwmac->ops->pmcsetr.eth2_sel_rmii;
- if ((clk_rate == ETH_CK_F_25M || clk_rate == ETH_CK_F_50M) &&
+ if (clk_rate == ETH_CK_F_25M)
+ dwmac->enable_eth_ck = true;
+ if ((clk_rate == ETH_CK_F_50M) &&
(dwmac->eth_ref_clk_sel_reg || dwmac->ext_phyclk)) {
dwmac->enable_eth_ck = true;
val |= dwmac->ops->pmcsetr.eth1_ref_clk_sel;
@@ -209,7 +208,9 @@ static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat)
case PHY_INTERFACE_MODE_RGMII_RXID:
case PHY_INTERFACE_MODE_RGMII_TXID:
val = dwmac->ops->pmcsetr.eth1_sel_rgmii | dwmac->ops->pmcsetr.eth2_sel_rgmii;
- if ((clk_rate == ETH_CK_F_25M || clk_rate == ETH_CK_F_125M) &&
+ if (clk_rate == ETH_CK_F_25M)
+ dwmac->enable_eth_ck = true;
+ if ((clk_rate == ETH_CK_F_125M) &&
(dwmac->eth_clk_sel_reg || dwmac->ext_phyclk)) {
dwmac->enable_eth_ck = true;
val |= dwmac->ops->pmcsetr.eth1_clk_sel;
@@ -225,7 +226,7 @@ static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat)
}
/* Need to update PMCCLRR (clear register) */
- regmap_write(dwmac->regmap, reg + dwmac->ops->syscfg_clr_off,
+ regmap_write(dwmac->regmap, dwmac->ops->syscfg_clr_off,
dwmac->mode_mask);
/* Update PMCSETR (set register) */
@@ -332,7 +333,7 @@ static int stm32mp1_parse_data(struct stm32_dwmac *dwmac,
/* Get ETH_CLK clocks */
dwmac->clk_eth_ck = devm_clk_get(dev, "eth-ck");
if (IS_ERR(dwmac->clk_eth_ck)) {
- dev_info(dev, "No phy clock provided...\n");
+ dev_dbg(dev, "No phy clock provided...\n");
dwmac->clk_eth_ck = NULL;
}
--
2.25.1
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