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Fix this issue by configuring the IREF_TX field to 0xF (15), which adjusts the transmitter current reference to meet the PCIe specification timing requirements. Signed-off-by: Richard Zhu --- drivers/clk/imx/clk-imx95-blk-ctl.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/clk/imx/clk-imx95-blk-ctl.c b/drivers/clk/imx/clk-imx95-blk-ctl.c index 1f9259f45607..bc6957299cec 100644 --- a/drivers/clk/imx/clk-imx95-blk-ctl.c +++ b/drivers/clk/imx/clk-imx95-blk-ctl.c @@ -44,6 +44,8 @@ struct imx95_blk_ctl_clk_dev_data { const char * const *parent_names; u32 num_parents; u32 reg; + u32 reg_init_msk; + u32 reg_init_val; u32 bit_idx; u32 bit_width; u32 clk_type; @@ -289,6 +291,8 @@ static const struct imx95_blk_ctl_clk_dev_data hsio_blk_ctl_clk_dev_data[] = { .parent_names = (const char *[]){ "func_out_en", }, .num_parents = 1, .reg = 0, + .reg_init_msk = GENMASK(10, 7), + .reg_init_val = GENMASK(10, 7), .bit_idx = 6, .bit_width = 1, .type = CLK_GATE, @@ -410,6 +414,9 @@ static int imx95_bc_probe(struct platform_device *pdev) const struct imx95_blk_ctl_clk_dev_data *data = &bc->pdata->clk_dev_data[i]; void __iomem *reg = base + data->reg; + if (data->reg_init_msk) + writel((readl(reg) & ~data->reg_init_msk) | data->reg_init_val, reg); + if (data->type == CLK_MUX) { hws[i] = clk_hw_register_mux(dev, data->name, data->parent_names, data->num_parents, data->flags, reg, -- 2.37.1