Messages in this thread | | | From | Fabio Estevam <> | Date | Tue, 25 Jan 2022 10:11:17 -0300 | Subject | Re: [PATCH 1/6] clk: imx6ul: disable gpmi_io clock before changing parent clock |
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Hi Christian,
On Tue, Jan 25, 2022 at 5:53 AM Christian Eggers <ceggers@arri.de> wrote: > > gpmi_io clock may have been enabled by the boot loader. All children of > enfc_clk_root must be gated in order to prevent glitches during parent > change. > > Signed-off-by: Christian Eggers <ceggers@arri.de> > --- > drivers/clk/imx/clk-imx6ul.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/clk/imx/clk-imx6ul.c b/drivers/clk/imx/clk-imx6ul.c > index 520b100bff4b..f599ae50dd9f 100644 > --- a/drivers/clk/imx/clk-imx6ul.c > +++ b/drivers/clk/imx/clk-imx6ul.c > @@ -514,6 +514,15 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) > else if (clk_on_imx6ull()) > clk_set_parent(hws[IMX6ULL_CLK_EPDC_PRE_SEL]->clk, hws[IMX6UL_CLK_PLL3_PFD2]->clk); > > + /* > + * gpmi_io clock may have been enabled by the boot loader. All children of > + * enfc_clk_root must be gated in order to prevent glitches during parent > + * change. The task of re-enabling is left to the gpmi-nand driver. > + */ > + if (clk_hw_is_enabled(hws[IMX6UL_CLK_GPMI_IO])) { > + clk_prepare_enable(hws[IMX6UL_CLK_GPMI_IO]->clk); > + clk_disable_unprepare(hws[IMX6UL_CLK_GPMI_IO]->clk); > + }
It seems your patch series was corrupted.
Could you please try sending it via git send-mail?
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