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SubjectRe: [PATCH] clk: ti: dra7xx: Reset the mcasp3_ahclkx_mux clock value
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Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

On 06/09/17 13:36, Keerthy wrote:
> Reset the mcasp3_ahclkx_mux to abe_24m_fclk. This is needed
> in case of kexec where the reset values might be wiped off.
>
> Signed-off-by: Keerthy <j-keerthy@ti.com>

Why not do this in DT with the assigned-clock-xyz properties available?

-Tero

> ---
> drivers/clk/ti/clk-7xx.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c
> index 9fd6043..2c3a36c 100644
> --- a/drivers/clk/ti/clk-7xx.c
> +++ b/drivers/clk/ti/clk-7xx.c
> @@ -312,7 +312,7 @@
> int __init dra7xx_dt_clk_init(void)
> {
> int rc;
> - struct clk *dpll_ck, *hdcp_ck;
> + struct clk *dpll_ck, *hdcp_ck, *mcasp3_ahclkx_ck, *abe_ck;
>
> ti_dt_clocks_register(dra7xx_clks);
>
> @@ -338,5 +338,12 @@ int __init dra7xx_dt_clk_init(void)
> if (rc)
> pr_err("%s: failed to set dss_deshdcp_clk\n", __func__);
>
> + mcasp3_ahclkx_ck = clk_get_sys(NULL, "mcasp3_ahclkx_mux");
> + abe_ck = clk_get_sys(NULL, "abe_24m_fclk");
> + rc = clk_set_parent(mcasp3_ahclkx_ck, abe_ck);
> + if (rc)
> + pr_err("%s: failed to set parent for mcasp3_ahclkx_mux\n",
> + __func__);
> +
> return rc;
> }
>


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