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SubjectRe: [PATCH] clk: imx8mq: Mark AHB clock as critical
Date
On 19-06-25 15:32:22, Stephen Boyd wrote:
> Quoting Abel Vesa (2019-06-25 02:01:56)
> > Keep the AHB clock always on since there is no driver to control it and
> > all the other clocks that use it as parent rely on it being always enabled.
> >
> > Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
> > ---
> > drivers/clk/imx/clk-imx8mq.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c
> > index 5fbc2a7..b48268b 100644
> > --- a/drivers/clk/imx/clk-imx8mq.c
> > +++ b/drivers/clk/imx/clk-imx8mq.c
> > @@ -398,7 +398,7 @@ static int imx8mq_clocks_probe(struct platform_device *pdev)
> > clks[IMX8MQ_CLK_NOC_APB] = imx8m_clk_composite_critical("noc_apb", imx8mq_noc_apb_sels, base + 0x8d80);
> >
> > /* AHB */
> > - clks[IMX8MQ_CLK_AHB] = imx8m_clk_composite("ahb", imx8mq_ahb_sels, base + 0x9000);
> > + clks[IMX8MQ_CLK_AHB] = imx8m_clk_composite_critical("ahb", imx8mq_ahb_sels, base + 0x9000);
>
> Please add a comment into the code why it's critical.

Comment explaining why the AHB bus clock is critical ?
Isn't that self-explanatory ?

>
> > clks[IMX8MQ_CLK_AUDIO_AHB] = imx8m_clk_composite("audio_ahb", imx8mq_audio_ahb_sels, base + 0x9100);
> >
> > /* IPG */
> > --
> > 2.7.4
> >
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