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Merge branch 'pwrctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci into renesas-dts-for-v6.17

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Merge slot clock support for PCI slots, which is a depdendency for
replacing the ad-hoc description of the split PCIe clock on Sparrow Hawk
by a proper hardware description.
This commit is contained in:
Geert Uytterhoeven 2025-06-19 19:36:55 +02:00
commit 0c8bf42e50
1 changed files with 8 additions and 0 deletions
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8
drivers/pci/pwrctrl/slot.c
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@ -4,6 +4,7 @@
* Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
*/
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
@ -30,6 +31,7 @@ static int pci_pwrctrl_slot_probe(struct platform_device *pdev)
{
struct pci_pwrctrl_slot_data *slot;
struct device *dev = &pdev->dev;
struct clk *clk;
int ret;
slot = devm_kzalloc(dev, sizeof(*slot), GFP_KERNEL);
@ -55,6 +57,12 @@ static int pci_pwrctrl_slot_probe(struct platform_device *pdev)
if (ret)
goto err_regulator_disable;
clk = devm_clk_get_optional_enabled(dev, NULL);
if (IS_ERR(clk)) {
return dev_err_probe(dev, PTR_ERR(clk),
"Failed to enable slot clock\n");
}
pci_pwrctrl_init(&slot->ctx, dev);
ret = devm_pci_pwrctrl_device_set_ready(dev, &slot->ctx);