From: Serge Semin <Sergey.Semin@baikalelectronics.ru>
To: Rob Herring <robh+dt@kernel.org>,
Giuseppe Cavallaro <peppe.cavallaro@st.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
Jose Abreu <joabreu@synopsys.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Johan Hovold <johan@kernel.org>,
Maxime Ripard <mripard@kernel.org>,
Joao Pinto <jpinto@synopsys.com>, Lars Persson <larper@axis.com>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Serge Semin <Sergey.Semin@baikalelectronics.ru>,
Serge Semin <fancer.lancer@gmail.com>,
Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>,
Pavel Parkhomenko <Pavel.Parkhomenko@baikalelectronics.ru>,
Vyacheslav Mitrofanov
<Vyacheslav.Mitrofanov@baikalelectronics.ru>,
<netdev@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v2 21/24] net: stmmac: dwmac-imx: Discard Tx clock request
Date: Mon, 8 Feb 2021 16:56:05 +0300 [thread overview]
Message-ID: <20210208135609.7685-22-Sergey.Semin@baikalelectronics.ru> (raw)
In-Reply-To: <20210208135609.7685-1-Sergey.Semin@baikalelectronics.ru>
Since the Tx clock is now requested and enabled/disabled in the STMMAC
DT-based platform config method, there is no need in duplicating the same
procedures in the DW MAC iMX sub-driver.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
---
.../net/ethernet/stmicro/stmmac/dwmac-imx.c | 21 +++++--------------
1 file changed, 5 insertions(+), 16 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
index 223f69da7e95..8b2c7f1ba745 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
@@ -40,7 +40,6 @@ struct imx_dwmac_ops {
struct imx_priv_data {
struct device *dev;
- struct clk *clk_tx;
struct clk *clk_mem;
struct regmap *intf_regmap;
u32 intf_reg_off;
@@ -104,12 +103,6 @@ static int imx_dwmac_init(struct platform_device *pdev, void *priv)
return ret;
}
- ret = clk_prepare_enable(dwmac->clk_tx);
- if (ret) {
- dev_err(&pdev->dev, "tx clock enable failed\n");
- goto clk_tx_en_failed;
- }
-
if (dwmac->ops->set_intf_mode) {
ret = dwmac->ops->set_intf_mode(plat_dat);
if (ret)
@@ -119,8 +112,6 @@ static int imx_dwmac_init(struct platform_device *pdev, void *priv)
return 0;
intf_mode_failed:
- clk_disable_unprepare(dwmac->clk_tx);
-clk_tx_en_failed:
clk_disable_unprepare(dwmac->clk_mem);
return ret;
}
@@ -129,7 +120,6 @@ static void imx_dwmac_exit(struct platform_device *pdev, void *priv)
{
struct imx_priv_data *dwmac = priv;
- clk_disable_unprepare(dwmac->clk_tx);
clk_disable_unprepare(dwmac->clk_mem);
}
@@ -162,7 +152,7 @@ static void imx_dwmac_fix_speed(void *priv, unsigned int speed)
return;
}
- err = clk_set_rate(dwmac->clk_tx, rate);
+ err = clk_set_rate(plat_dat->tx_clk, rate);
if (err < 0)
dev_err(dwmac->dev, "failed to set tx rate %lu\n", rate);
}
@@ -176,10 +166,9 @@ imx_dwmac_parse_dt(struct imx_priv_data *dwmac, struct device *dev)
if (of_get_property(np, "snps,rmii_refclk_ext", NULL))
dwmac->rmii_refclk_ext = true;
- dwmac->clk_tx = devm_clk_get(dev, "tx");
- if (IS_ERR(dwmac->clk_tx)) {
- dev_err(dev, "failed to get tx clock\n");
- return PTR_ERR(dwmac->clk_tx);
+ if (!dwmac->plat_dat->tx_clk) {
+ dev_err(dev, "no tx clock found\n");
+ return -EINVAL;
}
dwmac->clk_mem = NULL;
@@ -239,6 +228,7 @@ static int imx_dwmac_probe(struct platform_device *pdev)
dwmac->ops = data;
dwmac->dev = &pdev->dev;
+ dwmac->plat_dat = plat_dat;
ret = imx_dwmac_parse_dt(dwmac, &pdev->dev);
if (ret) {
@@ -251,7 +241,6 @@ static int imx_dwmac_probe(struct platform_device *pdev)
plat_dat->exit = imx_dwmac_exit;
plat_dat->fix_mac_speed = imx_dwmac_fix_speed;
plat_dat->bsp_priv = dwmac;
- dwmac->plat_dat = plat_dat;
ret = imx_dwmac_init(pdev, dwmac);
if (ret)
--
2.29.2
next prev parent reply other threads:[~2021-02-08 14:04 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-08 13:55 [PATCH v2 00/24] net: stmmac: Fix clocks/reset-related procedures Serge Semin
2021-02-08 13:55 ` [PATCH v2 01/24] dt-bindings: net: dwmac: Validate PBL for all IP-cores Serge Semin
2021-02-08 13:55 ` [PATCH v2 02/24] dt-bindings: net: dwmac: Extend number of PBL values Serge Semin
2021-02-08 13:55 ` [PATCH v2 03/24] dt-bindings: net: dwmac: Fix the TSO property declaration Serge Semin
2021-02-09 21:54 ` Rob Herring
2021-02-08 13:55 ` [PATCH v2 04/24] dt-bindings: net: dwmac: Refactor snps,*-config properties Serge Semin
2021-02-09 22:26 ` Rob Herring
2021-02-10 21:57 ` Serge Semin
2021-02-18 15:55 ` Serge Semin
2021-02-08 13:55 ` [PATCH v2 05/24] dt-bindings: net: dwmac: Elaborate stmmaceth/pclk description Serge Semin
2021-02-08 13:55 ` [PATCH v2 06/24] dt-bindings: net: dwmac: Add Tx/Rx clock sources Serge Semin
2021-02-08 13:55 ` [PATCH v2 07/24] dt-bindings: net: dwmac: Detach Generic DW MAC bindings Serge Semin
2021-02-09 22:32 ` Rob Herring
2021-02-10 22:05 ` Serge Semin
2021-02-08 13:55 ` [PATCH v2 08/24] net: stmmac: Add {axi,mtl-rx,mtl-tx}-config sub-nodes support Serge Semin
2021-02-08 13:55 ` [PATCH v2 09/24] net: stmmac: dwmac-rk: Cleanup STMMAC DT-config in remove cb Serge Semin
2021-02-08 13:55 ` [PATCH v2 10/24] net: stmmac: dwmac-sti: " Serge Semin
2021-02-08 13:55 ` [PATCH v2 11/24] net: stmmac: dwmac-stm32: " Serge Semin
2021-02-08 13:55 ` [PATCH v2 12/24] net: stmmac: Directly call reverse methods in stmmac_probe_config_dt() Serge Semin
2021-02-08 13:55 ` [PATCH v2 13/24] net: stmmac: Fix clocks left enabled on glue-probes failure Serge Semin
2021-02-08 13:55 ` [PATCH v2 14/24] net: stmmac: Use optional clock request method to get stmmaceth Serge Semin
2021-02-08 13:55 ` [PATCH v2 15/24] net: stmmac: Use optional clock request method to get ptp_clk Serge Semin
2021-02-08 13:56 ` [PATCH v2 16/24] net: stmmac: Use optional reset control API to work with stmmaceth Serge Semin
2021-02-10 6:49 ` Jisheng Zhang
2021-02-10 22:14 ` Serge Semin
2021-02-08 13:56 ` [PATCH v2 17/24] net: stmmac: dwc-qos: Cleanup STMMAC platform data clock pointers Serge Semin
2021-02-08 13:56 ` [PATCH v2 18/24] net: stmmac: dwc-qos: Use dev_err_probe() for probe errors handling Serge Semin
2021-02-08 13:56 ` [PATCH v2 19/24] net: stmmac: Add Tx/Rx platform clocks support Serge Semin
2021-02-08 13:56 ` [PATCH v2 20/24] net: stmmac: dwc-qos: Discard Tx/Rx clocks request Serge Semin
2021-02-08 13:56 ` Serge Semin [this message]
2021-02-08 13:56 ` [PATCH v2 22/24] net: stmmac: Call stmmaceth clock as system clock in warn-message Serge Semin
2021-02-08 13:56 ` [PATCH v2 23/24] net: stmmac: Use pclk to set MDC clock frequency Serge Semin
2021-02-08 13:56 ` [PATCH v2 24/24] net: stmmac: dwc-qos: Save master/slave clocks in the plat-data Serge Semin
2021-02-08 19:05 ` [PATCH v2 00/24] net: stmmac: Fix clocks/reset-related procedures Jakub Kicinski
2021-02-09 10:59 ` Serge Semin
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