Hi,
On Wednesday 18 June 2014 12:03 AM, Kumar Gala wrote:
> Add a PHY driver for uses with AHCI based SATA controller driver on the
> IPQ806x family of SoCs.
>
> Signed-off-by: Kumar Gala <galak@xxxxxxxxxxxxxx>
> ---
> 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.c
>
> diff --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>
.
.
> +
> +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()?
Thanks
Kishon
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