On Jul 15, 2014, at 10:17 AM, Kishon Vijay Abraham I <kis...@ti.com> wrote:
>
>
> 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:
>>> Add a PHY driver for uses with AHCI based SATA controller driver on the
>>> IPQ806x family of SoCs.
>>>
>>> Signed-off-by: Kumar Gala <ga...@codeaurora.org>
>>> ---
>>> 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()?
>
> Btw the patch subject says 1/2 but I couldn't find the second patch. Can you
> re-send both the patches?
sent, rebased against your linux-phy.git/next branch.
- k
--
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by
The Linux Foundation
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