-----Original Message-----
From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@linaro.org]
Sent: 16 February 2023 16:33
To: Shradha Todi <redacted>; lpieralisi@kernel.org;
kw@linux.com; robh@kernel.org; bhelgaas@google.com;
krzysztof.kozlowski+dt@linaro.org; alim.akhtar@samsung.com;
jingoohan1@gmail.com; Sergey.Semin@baikalelectronics.ru;
lukas.bulwahn@gmail.com; hongxing.zhu@nxp.com; tglx@linutronix.de;
m.szyprowski@samsung.com; jh80.chung@samsung.co;
pankaj.dubey@samsung.com
Cc: linux-pci@vger.kernel.org; devicetree@vger.kernel.org; linux-arm-
kernel@lists.infradead.org; linux-samsung-soc@vger.kernel.org; linux-
kernel@vger.kernel.org
Subject: Re: [PATCH 04/16] PCI: samsung: Use clock bulk API to get clocks

On 14/02/2023 13:13, Shradha Todi wrote:

quoted

Adopt to clock bulk API to handle clocks.

Signed-off-by: Shradha Todi <redacted>
---
 drivers/pci/controller/dwc/pci-samsung.c | 46 ++++++------------------
 1 file changed, 11 insertions(+), 35 deletions(-)

diff --git a/drivers/pci/controller/dwc/pci-samsung.c

b/drivers/pci/controller/dwc/pci-samsung.c

quoted

index cfe384aee754..6c07d3f151be 100644

--- a/drivers/pci/controller/dwc/pci-samsung.c
+++ b/drivers/pci/controller/dwc/pci-samsung.c

@@ -54,8 +54,8 @@
 struct exynos_pcie {
 	struct dw_pcie			pci;
 	void __iomem			*elbi_base;
-	struct clk			*clk;
-	struct clk			*bus_clk;
+	struct clk_bulk_data		*clks;
+	int				clk_cnt;
 	struct phy			*phy;
 	struct regulator_bulk_data	supplies[2];
 };

@@ -65,30 +65,18 @@ static int exynos_pcie_init_clk_resources(struct

exynos_pcie *ep)

quoted

 	struct device *dev = ep->pci.dev;
 	int ret;

-	ret = clk_prepare_enable(ep->clk);
-	if (ret) {
-		dev_err(dev, "cannot enable pcie rc clock");
+	ret = devm_clk_bulk_get_all(dev, &ep->clks);
+	if (ret < 0)
 		return ret;
-	}

-	ret = clk_prepare_enable(ep->bus_clk);
-	if (ret) {
-		dev_err(dev, "cannot enable pcie bus clock");
-		goto err_bus_clk;
-	}
+	ep->clk_cnt = ret;

I think this misses check if you got two clocks.

Got it! Thanks for pointing out. Will add the check in the next version

Best regards,
Krzysztof

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