Re: [PATCH v5 1/2] phy: qcom: Add driver for QCOM IPQ806x SATA PHY
From: Kishon Vijay Abraham I <hidden>
Date: 2014-07-15 15:18:27
Also in:
linux-arm-kernel, linux-arm-msm, linux-devicetree, lkml
On Tuesday 15 July 2014 08:41 PM, Kishon Vijay Abraham I wrote:
Hi, On Wednesday 18 June 2014 12:03 AM, Kumar Gala wrote:quoted
Add a PHY driver for uses with AHCI based SATA controller driver on the IPQ806x family of SoCs. Signed-off-by: Kumar Gala <redacted> --- v5: * Fix copy/paste error when killing qcom_ipq806x_sata_delay_us v4: * removed qcom_ipq806x_sata_delay_us as it was only used one v3: * Added Kconfig HAS_IOMEM dep * re-ordered probe function so phy_provider_register is last v2: * dropped unused dev pointer in struct qcom_ipq806x_sata_phy * remove unnecessary reg initializaiton * Removed unneeded error message * Added remove function to disable the clock drivers/phy/Kconfig | 7 ++ drivers/phy/Makefile | 1 + drivers/phy/phy-qcom-ipq806x-sata.c | 206 ++++++++++++++++++++++++++++++++++++ 3 files changed, 214 insertions(+) create mode 100644 drivers/phy/phy-qcom-ipq806x-sata.cdiff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index 16a2f06..b7b6bce 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig@@ -178,4 +178,11 @@ config PHY_XGENE help This option enables support for APM X-Gene SoC multi-purpose PHY.. . <snip> . .quoted
+ +static int qcom_ipq806x_sata_phy_probe(struct platform_device *pdev) +{ + struct qcom_ipq806x_sata_phy *phy; + struct device *dev = &pdev->dev; + struct resource *res; + struct phy_provider *phy_provider; + struct phy *generic_phy; + int ret; + + phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL); + if (!phy) { + dev_err(dev, "%s: failed to allocate phy\n", __func__); + return -ENOMEM; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + phy->mmio = devm_ioremap_resource(dev, res); + if (IS_ERR(phy->mmio)) + return PTR_ERR(phy->mmio); + + generic_phy = devm_phy_create(dev, &qcom_ipq806x_sata_phy_ops, NULL); + if (IS_ERR(generic_phy)) { + dev_err(dev, "%s: failed to create phy\n", __func__); + return PTR_ERR(generic_phy); + } + + phy_set_drvdata(generic_phy, phy); + + phy->cfg_clk = devm_clk_get(dev, "cfg"); + if (IS_ERR(phy->cfg_clk)) { + dev_err(dev, "Failed to get sata cfg clock\n"); + return PTR_ERR(phy->cfg_clk); + } + + ret = clk_prepare_enable(phy->cfg_clk); + if (ret) + return ret; + + phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); + if (IS_ERR(phy_provider)) { + clk_disable_unprepare(phy->cfg_clk); + dev_err(dev, "%s: failed to register phy\n", __func__); + return PTR_ERR(phy_provider); + } + + return 0; +} + +static int qcom_ipq806x_sata_phy_remove(struct platform_device *pdev) +{ + struct qcom_ipq806x_sata_phy *phy = platform_get_drvdata(pdev);Where is platform_set_drvdata()?
Btw the patch subject says 1/2 but I couldn't find the second patch. Can you re-send both the patches? Thanks Kishon
Thanks Kishon -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/