52 lines
1.6 KiB
Diff
52 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Ondrej Jirman <unknown-email@domain.tld>
|
|
Date: Wed, 28 Feb 2024 21:09:51 +0100
|
|
Subject: net: wireless: brcmfmac: Add optional 32k clock enable support
|
|
|
|
WiFi modules often require 32kHz clock to function. Add support to
|
|
enable the clock to pcie driver.
|
|
|
|
Signed-off-by: Ondrej Jirman <megi@xff.cz>
|
|
---
|
|
drivers/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 111111111111..222222222222 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>
|
|
@@ -2413,6 +2414,7 @@ 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);
|
|
@@ -2424,6 +2426,14 @@ 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");
|
|
+ if (IS_ERR(clk))
|
|
+ return PTR_ERR(clk);
|
|
+ if (clk) {
|
|
+ dev_info(&pdev->dev, "enabling 32kHz clock\n");
|
|
+ clk_set_rate(clk, 32768);
|
|
+ }
|
|
+
|
|
ret = -ENOMEM;
|
|
devinfo = kzalloc(sizeof(*devinfo), GFP_KERNEL);
|
|
if (devinfo == NULL)
|
|
--
|
|
Armbian
|
|
|