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Let's avoid this by making pdata a member of imx95_blk_ctl > structure. suggested commit message. Add a platform data (pdata) member to struct imx95_blk_ctl to store the result of of_device_get_match_data() during probe to avoid redundant calls in suspend and resume functions. Frank > > Signed-off-by: Laurentiu Palcu > --- > drivers/clk/imx/clk-imx95-blk-ctl.c | 36 +++++++++++------------------ > 1 file changed, 13 insertions(+), 23 deletions(-) > > diff --git a/drivers/clk/imx/clk-imx95-blk-ctl.c b/drivers/clk/imx/clk-imx95-blk-ctl.c > index 7e88877a62451..c72debaf3a60b 100644 > --- a/drivers/clk/imx/clk-imx95-blk-ctl.c > +++ b/drivers/clk/imx/clk-imx95-blk-ctl.c > @@ -36,6 +36,7 @@ struct imx95_blk_ctl { > void __iomem *base; > /* clock gate register */ > u32 clk_reg_restore; > + const struct imx95_blk_ctl_dev_data *pdata; > }; > > struct imx95_blk_ctl_clk_dev_data { > @@ -349,7 +350,6 @@ static const struct imx95_blk_ctl_dev_data imx94_dispmix_csr_dev_data = { > static int imx95_bc_probe(struct platform_device *pdev) > { > struct device *dev = &pdev->dev; > - const struct imx95_blk_ctl_dev_data *bc_data; > struct imx95_blk_ctl *bc; > struct clk_hw_onecell_data *clk_hw_data; > struct clk_hw **hws; > @@ -379,25 +379,25 @@ static int imx95_bc_probe(struct platform_device *pdev) > return ret; > } > > - bc_data = of_device_get_match_data(dev); > - if (!bc_data) > + bc->pdata = of_device_get_match_data(dev); > + if (!bc->pdata) > return devm_of_platform_populate(dev); > > - clk_hw_data = devm_kzalloc(dev, struct_size(clk_hw_data, hws, bc_data->num_clks), > + clk_hw_data = devm_kzalloc(dev, struct_size(clk_hw_data, hws, bc->pdata->num_clks), > GFP_KERNEL); > if (!clk_hw_data) > return -ENOMEM; > > - if (bc_data->rpm_enabled) { > + if (bc->pdata->rpm_enabled) { > devm_pm_runtime_enable(&pdev->dev); > pm_runtime_resume_and_get(&pdev->dev); > } > > - clk_hw_data->num = bc_data->num_clks; > + clk_hw_data->num = bc->pdata->num_clks; > hws = clk_hw_data->hws; > > - for (i = 0; i < bc_data->num_clks; i++) { > - const struct imx95_blk_ctl_clk_dev_data *data = &bc_data->clk_dev_data[i]; > + for (i = 0; i < bc->pdata->num_clks; i++) { > + const struct imx95_blk_ctl_clk_dev_data *data = &bc->pdata->clk_dev_data[i]; > void __iomem *reg = base + data->reg; > > if (data->type == CLK_MUX) { > @@ -439,7 +439,7 @@ static int imx95_bc_probe(struct platform_device *pdev) > return 0; > > cleanup: > - for (i = 0; i < bc_data->num_clks; i++) { > + for (i = 0; i < bc->pdata->num_clks; i++) { > if (IS_ERR_OR_NULL(hws[i])) > continue; > clk_hw_unregister(hws[i]); > @@ -469,14 +469,9 @@ static int imx95_bc_runtime_resume(struct device *dev) > static int imx95_bc_suspend(struct device *dev) > { > struct imx95_blk_ctl *bc = dev_get_drvdata(dev); > - const struct imx95_blk_ctl_dev_data *bc_data; > int ret; > > - bc_data = of_device_get_match_data(dev); > - if (!bc_data) > - return 0; > - > - if (bc_data->rpm_enabled) { > + if (bc->pdata->rpm_enabled) { > ret = pm_runtime_get_sync(bc->dev); > if (ret < 0) { > pm_runtime_put_noidle(bc->dev); > @@ -484,7 +479,7 @@ static int imx95_bc_suspend(struct device *dev) > } > } > > - bc->clk_reg_restore = readl(bc->base + bc_data->clk_reg_offset); > + bc->clk_reg_restore = readl(bc->base + bc->pdata->clk_reg_offset); > > return 0; > } > @@ -492,15 +487,10 @@ static int imx95_bc_suspend(struct device *dev) > static int imx95_bc_resume(struct device *dev) > { > struct imx95_blk_ctl *bc = dev_get_drvdata(dev); > - const struct imx95_blk_ctl_dev_data *bc_data; > - > - bc_data = of_device_get_match_data(dev); > - if (!bc_data) > - return 0; > > - writel(bc->clk_reg_restore, bc->base + bc_data->clk_reg_offset); > + writel(bc->clk_reg_restore, bc->base + bc->pdata->clk_reg_offset); > > - if (bc_data->rpm_enabled) > + if (bc->pdata->rpm_enabled) > pm_runtime_put(bc->dev); > > return 0; > -- > 2.34.1 >