* [PATCH] clk: ti: dra7xx: Reset the mcasp3_ahclkx_mux clock value
@ 2017-09-06 10:36 ` Keerthy
0 siblings, 0 replies; 7+ messages in thread
From: Keerthy @ 2017-09-06 10:36 UTC (permalink / raw)
To: sboyd, t-kristo; +Cc: linux-kernel, linux-clk, linux-omap, tony, j-keerthy
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>
---
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;
}
--
1.9.1
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH] clk: ti: dra7xx: Reset the mcasp3_ahclkx_mux clock value
@ 2017-09-06 10:36 ` Keerthy
0 siblings, 0 replies; 7+ messages in thread
From: Keerthy @ 2017-09-06 10:36 UTC (permalink / raw)
To: sboyd, t-kristo; +Cc: linux-kernel, linux-clk, linux-omap, tony, j-keerthy
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>
---
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;
}
--
1.9.1
^ permalink raw reply related [flat|nested] 7+ messages in thread
* Re: [PATCH] clk: ti: dra7xx: Reset the mcasp3_ahclkx_mux clock value
2017-09-06 10:36 ` Keerthy
(?)
@ 2017-09-06 11:42 ` Tero Kristo
-1 siblings, 0 replies; 7+ messages in thread
From: Tero Kristo @ 2017-09-06 11:42 UTC (permalink / raw)
To: Keerthy, sboyd; +Cc: linux-kernel, linux-clk, linux-omap, tony
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;
> }
>
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [PATCH] clk: ti: dra7xx: Reset the mcasp3_ahclkx_mux clock value
@ 2017-09-06 11:42 ` Tero Kristo
0 siblings, 0 replies; 7+ messages in thread
From: Tero Kristo @ 2017-09-06 11:42 UTC (permalink / raw)
To: Keerthy, sboyd; +Cc: linux-kernel, linux-clk, linux-omap, tony
=EF=BB=BF
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Bu=
siness 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.
>=20
> 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(-)
>=20
> 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;
> =20
> ti_dt_clocks_register(dra7xx_clks);
> =20
> @@ -338,5 +338,12 @@ int __init dra7xx_dt_clk_init(void)
> if (rc)
> pr_err("%s: failed to set dss_deshdcp_clk\n", __func__);
> =20
> + mcasp3_ahclkx_ck =3D clk_get_sys(NULL, "mcasp3_ahclkx_mux");
> + abe_ck =3D clk_get_sys(NULL, "abe_24m_fclk");
> + rc =3D 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;
> }
>=20
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [PATCH] clk: ti: dra7xx: Reset the mcasp3_ahclkx_mux clock value
@ 2017-09-06 11:42 ` Tero Kristo
0 siblings, 0 replies; 7+ messages in thread
From: Tero Kristo @ 2017-09-06 11:42 UTC (permalink / raw)
To: Keerthy, sboyd; +Cc: linux-kernel, linux-clk, linux-omap, tony
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;
> }
>
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [PATCH] clk: ti: dra7xx: Reset the mcasp3_ahclkx_mux clock value
2017-09-06 11:42 ` Tero Kristo
@ 2017-09-06 13:29 ` Keerthy
-1 siblings, 0 replies; 7+ messages in thread
From: Keerthy @ 2017-09-06 13:29 UTC (permalink / raw)
To: Tero Kristo, sboyd; +Cc: linux-kernel, linux-clk, linux-omap, tony
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;
>> }
>>
>
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [PATCH] clk: ti: dra7xx: Reset the mcasp3_ahclkx_mux clock value
@ 2017-09-06 13:29 ` Keerthy
0 siblings, 0 replies; 7+ messages in thread
From: Keerthy @ 2017-09-06 13:29 UTC (permalink / raw)
To: Tero Kristo, sboyd; +Cc: linux-kernel, linux-clk, linux-omap, tony
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;
>> }
>>
>
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2017-09-06 13:29 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-09-06 10:36 [PATCH] clk: ti: dra7xx: Reset the mcasp3_ahclkx_mux clock value Keerthy
2017-09-06 10:36 ` Keerthy
2017-09-06 11:42 ` Tero Kristo
2017-09-06 11:42 ` Tero Kristo
2017-09-06 11:42 ` Tero Kristo
2017-09-06 13:29 ` Keerthy
2017-09-06 13:29 ` Keerthy
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.