On Thu, Feb 15, 2018 at 01:26:37PM +0000, srinivas.kandagatla@xxxxxxxxxx wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
>
> This patch converts existing regulators to use regulator bulk apis,
> to make it consistent with msm8996 changes also cut down some redundant code.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> ---
> Changes since v1:
> updated index correctly and use ARRAY_SIZE
>
> drivers/pci/dwc/pcie-qcom.c | 52 +++++++++++++--------------------------------
Applied to pci/dwc for v4.17, thanks.
Lorenzo
> 1 file changed, 15 insertions(+), 37 deletions(-)
>
> diff --git a/drivers/pci/dwc/pcie-qcom.c b/drivers/pci/dwc/pcie-qcom.c
> index e3f20e09a18d..50ff9b879c27 100644
> --- a/drivers/pci/dwc/pcie-qcom.c
> +++ b/drivers/pci/dwc/pcie-qcom.c
> @@ -79,6 +79,7 @@
> #define PCIE20_v3_PARF_SLV_ADDR_SPACE_SIZE 0x358
> #define SLV_ADDR_SPACE_SZ 0x10000000
>
> +#define QCOM_PCIE_2_1_0_MAX_SUPPLY 3
> struct qcom_pcie_resources_2_1_0 {
> struct clk *iface_clk;
> struct clk *core_clk;
> @@ -88,9 +89,7 @@ struct qcom_pcie_resources_2_1_0 {
> struct reset_control *ahb_reset;
> struct reset_control *por_reset;
> struct reset_control *phy_reset;
> - struct regulator *vdda;
> - struct regulator *vdda_phy;
> - struct regulator *vdda_refclk;
> + struct regulator_bulk_data supplies[QCOM_PCIE_2_1_0_MAX_SUPPLY];
> };
>
> struct qcom_pcie_resources_1_0_0 {
> @@ -218,18 +217,15 @@ static int qcom_pcie_get_resources_2_1_0(struct qcom_pcie *pcie)
> struct qcom_pcie_resources_2_1_0 *res = &pcie->res.v2_1_0;
> struct dw_pcie *pci = pcie->pci;
> struct device *dev = pci->dev;
> + int ret;
>
> - res->vdda = devm_regulator_get(dev, "vdda");
> - if (IS_ERR(res->vdda))
> - return PTR_ERR(res->vdda);
> -
> - res->vdda_phy = devm_regulator_get(dev, "vdda_phy");
> - if (IS_ERR(res->vdda_phy))
> - return PTR_ERR(res->vdda_phy);
> -
> - res->vdda_refclk = devm_regulator_get(dev, "vdda_refclk");
> - if (IS_ERR(res->vdda_refclk))
> - return PTR_ERR(res->vdda_refclk);
> + res->supplies[0].supply = "vdda";
> + res->supplies[1].supply = "vdda_phy";
> + res->supplies[2].supply = "vdda_refclk";
> + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(res->supplies),
> + res->supplies);
> + if (ret)
> + return ret;
>
> res->iface_clk = devm_clk_get(dev, "iface");
> if (IS_ERR(res->iface_clk))
> @@ -275,9 +271,7 @@ static void qcom_pcie_deinit_2_1_0(struct qcom_pcie *pcie)
> clk_disable_unprepare(res->iface_clk);
> clk_disable_unprepare(res->core_clk);
> clk_disable_unprepare(res->phy_clk);
> - regulator_disable(res->vdda);
> - regulator_disable(res->vdda_phy);
> - regulator_disable(res->vdda_refclk);
> + regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
> }
>
> static int qcom_pcie_init_2_1_0(struct qcom_pcie *pcie)
> @@ -288,24 +282,12 @@ static int qcom_pcie_init_2_1_0(struct qcom_pcie *pcie)
> u32 val;
> int ret;
>
> - ret = regulator_enable(res->vdda);
> - if (ret) {
> - dev_err(dev, "cannot enable vdda regulator\n");
> + ret = regulator_bulk_enable(ARRAY_SIZE(res->supplies), res->supplies);
> + if (ret < 0) {
> + dev_err(dev, "cannot enable regulators\n");
> return ret;
> }
>
> - ret = regulator_enable(res->vdda_refclk);
> - if (ret) {
> - dev_err(dev, "cannot enable vdda_refclk regulator\n");
> - goto err_refclk;
> - }
> -
> - ret = regulator_enable(res->vdda_phy);
> - if (ret) {
> - dev_err(dev, "cannot enable vdda_phy regulator\n");
> - goto err_vdda_phy;
> - }
> -
> ret = reset_control_assert(res->ahb_reset);
> if (ret) {
> dev_err(dev, "cannot assert ahb reset\n");
> @@ -389,11 +371,7 @@ static int qcom_pcie_init_2_1_0(struct qcom_pcie *pcie)
> err_clk_phy:
> clk_disable_unprepare(res->iface_clk);
> err_assert_ahb:
> - regulator_disable(res->vdda_phy);
> -err_vdda_phy:
> - regulator_disable(res->vdda_refclk);
> -err_refclk:
> - regulator_disable(res->vdda);
> + regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
>
> return ret;
> }
> --
> 2.15.1
>
