On Fri, 19 Apr 2024 17:36:47 +0200 Nuno Sa via B4 Relay <devnull+nuno.sa.analog.com@xxxxxxxxxx> wrote: > From: Nuno Sa <nuno.sa@xxxxxxxxxx> > > We can only access the IP core registers if the bus clock is enabled. As > such we need to get and enable it and not rely on anyone else to do it. > > Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx> Likewise - smells like a fix, but no fixes tag? > --- > drivers/iio/adc/adi-axi-adc.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c > index a543b91124b07..e3b2158829416 100644 > --- a/drivers/iio/adc/adi-axi-adc.c > +++ b/drivers/iio/adc/adi-axi-adc.c > @@ -175,6 +175,7 @@ static int adi_axi_adc_probe(struct platform_device *pdev) > struct adi_axi_adc_state *st; > void __iomem *base; > unsigned int ver; > + struct clk *clk; > int ret; > > st = devm_kzalloc(&pdev->dev, sizeof(*st), GFP_KERNEL); > @@ -195,6 +196,10 @@ static int adi_axi_adc_probe(struct platform_device *pdev) > if (!expected_ver) > return -ENODEV; > > + clk = devm_clk_get_enabled(&pdev->dev, NULL); > + if (IS_ERR(clk)) > + return PTR_ERR(clk); > + > /* > * Force disable the core. Up to the frontend to enable us. And we can > * still read/write registers... >
