On 20/06/2024 04:00, Jacobe Zang wrote:
> WiFi modules often require 32kHz clock to function. Add support to
> enable the clock to PCIe driver.
>
> Signed-off-by: Jacobe Zang <jacobe.zang@xxxxxxxxxx>
> ---
> .../net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
> index 06698a714b523..f241e1757d7e3 100644
> --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
> @@ -3,6 +3,7 @@
> * Copyright (c) 2014 Broadcom Corporation
> */
>
> +#include <linux/clk.h>
> #include <linux/kernel.h>
> #include <linux/module.h>
> #include <linux/firmware.h>
> @@ -2411,6 +2412,7 @@ brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
> struct brcmf_pciedev *pcie_bus_dev;
> struct brcmf_core *core;
> struct brcmf_bus *bus;
> + struct clk *clk;
>
> if (!id) {
> id = pci_match_id(brcmf_pcie_devid_table, pdev);
> @@ -2422,6 +2424,14 @@ brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
>
> brcmf_dbg(PCIE, "Enter %x:%x\n", pdev->vendor, pdev->device);
>
> + clk = devm_clk_get_optional_enabled(&pdev->dev, "32k");
Where is the binding for this?
> + if (IS_ERR(clk))
> + return PTR_ERR(clk);
> + if (clk) {
> + dev_info(&pdev->dev, "enabling 32kHz clock\n");
Drop
Best regards,
Krzysztof
