diff options
| -rw-r--r-- | drivers/pci/pwrctrl/slot.c | 8 | ||||
| -rw-r--r-- | include/linux/pci-pwrctrl.h | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/pci/pwrctrl/slot.c b/drivers/pci/pwrctrl/slot.c index 18becc144913..6e138310b45b 100644 --- a/drivers/pci/pwrctrl/slot.c +++ b/drivers/pci/pwrctrl/slot.c @@ -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); diff --git a/include/linux/pci-pwrctrl.h b/include/linux/pci-pwrctrl.h index 7d439b0675e9..4aefc7901cd1 100644 --- a/include/linux/pci-pwrctrl.h +++ b/include/linux/pci-pwrctrl.h @@ -39,7 +39,7 @@ struct device_link; struct pci_pwrctrl { struct device *dev; - /* Private: don't use. */ + /* private: internal use only */ struct notifier_block nb; struct device_link *link; struct work_struct work; |