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SubjectRe: [PATCH] clk: ti: dra7xx: Reset the mcasp3_ahclkx_mux clock value
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On Wednesday 06 September 2017 05:12 PM, Tero Kristo wrote:
> 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?

Works for me. I will send a v2 with your suggested-by.

Thanks,
Keerthy

>
> -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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