[PATCH 0/9] clk: ST clock fixes

[PATCH 0/9] clk: ST clock fixes

[Gabriel Fernandez]

This first patch-set contains various clock fixes for ST SoC.

Gabriel Fernandez (7):
  drivers: clk: st: Incorrect clocks status
  drivers: clk: st: Incorrect register offset used for lock_status
  drivers: clk: st: Remove unused code
  drivers: clk: st: Fix FSYN channel values
  drivers: clk: st: Fix mux bit-setting for Cortex A9 clocks
  drivers: clk: st: Rename st_pll3200c32_407_c0_x into
    st_pll3200c32_cx_x
  ARM: STi: DT: Rename st_pll3200c32_407_c0_x into st_pll3200c32_cx_x

Giuseppe Cavallaro (1):
  drivers: clk: st: Fix flexgen lock init

Pankaj Dev (1):
  drivers: clk: st: Add CLK_GET_RATE_NOCACHE flag to clocks

 .../devicetree/bindings/clock/st/st,clkgen-pll.txt |  4 ++--
 arch/arm/boot/dts/stih407-clock.dtsi               |  4 ++--
 arch/arm/boot/dts/stih410-clock.dtsi               |  4 ++--
 arch/arm/boot/dts/stih418-clock.dtsi               |  4 ++--
 drivers/clk/st/clk-flexgen.c                       |  4 +++-
 drivers/clk/st/clkgen-fsyn.c                       | 20 +++++++----------
 drivers/clk/st/clkgen-mux.c                        | 25 +++++++++++++---------
 drivers/clk/st/clkgen-pll.c                        | 14 ++++++------
 8 files changed, 41 insertions(+), 38 deletions(-)

-- 
1.9.1

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[PATCH 2/9] drivers: clk: st: Incorrect register offset used for lock_status

[Gabriel Fernandez]

Incorrect register offset used for sthi407 clockgenC

Signed-off-by: Pankaj Dev <pankaj.dev@st.com>
---
 drivers/clk/st/clkgen-fsyn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c
index e94197f..e6d7073 100644
--- a/drivers/clk/st/clkgen-fsyn.c
+++ b/drivers/clk/st/clkgen-fsyn.c
@@ -340,7 +340,7 @@ static const struct clkgen_quadfs_data st_fs660c32_C_407 = {
 		    CLKGEN_FIELD(0x30c, 0xf, 20),
 		    CLKGEN_FIELD(0x310, 0xf, 20) },
 	.lockstatus_present = true,
-	.lock_status = CLKGEN_FIELD(0x2A0, 0x1, 24),
+	.lock_status = CLKGEN_FIELD(0x2f0, 0x1, 24),
 	.powerup_polarity = 1,
 	.standby_polarity = 1,
 	.pll_ops	= &st_quadfs_pll_c32_ops,
-- 
1.9.1

Re: [PATCH 2/9] drivers: clk: st: Incorrect register offset used for lock_status

[Stephen Boyd]

On 06/23/2015 07:09 AM, Gabriel Fernandez wrote:
> Incorrect register offset used for sthi407 clockgenC
>
> Signed-off-by: Pankaj Dev <pankaj.dev-qxv4g6HH51o@public.gmane.org>

This needs your Signed-off-by too

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[PATCH 3/9] drivers: clk: st: Remove unused code

[Gabriel Fernandez]

Remove this duplicated code due to a bad copy / paste.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
---
 drivers/clk/st/clkgen-fsyn.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c
index e6d7073..e7e6782 100644
--- a/drivers/clk/st/clkgen-fsyn.c
+++ b/drivers/clk/st/clkgen-fsyn.c
@@ -1082,10 +1082,6 @@ static const struct of_device_id quadfs_of_match[] = {
 		.compatible = "st,stih407-quadfs660-D",
 		.data = &st_fs660c32_D_407
 	},
-	{
-		.compatible = "st,stih407-quadfs660-D",
-		.data = (void *)&st_fs660c32_D_407
-	},
 	{}
 };
 
-- 
1.9.1

Re: [PATCH 3/9] drivers: clk: st: Remove unused code

[Stephen Boyd]

On 06/23, Gabriel Fernandez wrote:
> Remove this duplicated code due to a bad copy / paste.
> 
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> ---

Applied to clk-fixes

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[PATCH 1/9] drivers: clk: st: Incorrect clocks status

[Gabriel Fernandez]

In the clk_summary output, the h/w status of DivMux is incorrect
(Parent and Enable status), since the clk_mux_ops.get_parent()
returns -ERRCODE when clock is OFF.

Signed-off-by: Pankaj Dev <pankaj.dev-qxv4g6HH51o@public.gmane.org>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
 drivers/clk/st/clkgen-mux.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/clk/st/clkgen-mux.c b/drivers/clk/st/clkgen-mux.c
index 4fbe6e0..c94b56b 100644
--- a/drivers/clk/st/clkgen-mux.c
+++ b/drivers/clk/st/clkgen-mux.c
@@ -128,7 +128,7 @@ static int clkgena_divmux_is_enabled(struct clk_hw *hw)
 
 	__clk_hw_set_clk(mux_hw, hw);
 
-	return (s8)clk_mux_ops.get_parent(mux_hw) > 0;
+	return ((s8)clk_mux_ops.get_parent(mux_hw) >= 0);
 }
 
 static u8 clkgena_divmux_get_parent(struct clk_hw *hw)
@@ -138,11 +138,13 @@ static u8 clkgena_divmux_get_parent(struct clk_hw *hw)
 
 	__clk_hw_set_clk(mux_hw, hw);
 
-	genamux->muxsel = clk_mux_ops.get_parent(mux_hw);
-	if ((s8)genamux->muxsel < 0) {
-		pr_debug("%s: %s: Invalid parent, setting to default.\n",
-		      __func__, __clk_get_name(hw->clk));
-		genamux->muxsel = 0;
+	if (genamux->muxsel == CKGAX_CLKOPSRC_SWITCH_OFF) {
+		genamux->muxsel = clk_mux_ops.get_parent(mux_hw);
+		if ((s8)genamux->muxsel < 0) {
+			pr_debug("%s: %s: Invalid parent, setting to default.\n",
+				  __func__, __clk_get_name(hw->clk));
+			genamux->muxsel = 0;
+		}
 	}
 
 	return genamux->muxsel;
@@ -254,6 +256,7 @@ static struct clk *clk_register_genamux(const char *name,
 	} else {
 		genamux->mux.reg   = reg + muxdata->mux_offset;
 	}
+	genamux->muxsel = CKGAX_CLKOPSRC_SWITCH_OFF;
 
 	for (i = 0; i < NUM_INPUTS; i++) {
 		/*
-- 
1.9.1

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Re: [PATCH 1/9] drivers: clk: st: Incorrect clocks status

[Stephen Boyd]

On 06/23/2015 07:09 AM, Gabriel Fernandez wrote:
> In the clk_summary output, the h/w status of DivMux is incorrect
> (Parent and Enable status), since the clk_mux_ops.get_parent()
> returns -ERRCODE when clock is OFF.
>
> Signed-off-by: Pankaj Dev <pankaj.dev-qxv4g6HH51o@public.gmane.org>
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> ---
>  drivers/clk/st/clkgen-mux.c | 15 +++++++++------
>  1 file changed, 9 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/clk/st/clkgen-mux.c b/drivers/clk/st/clkgen-mux.c
> index 4fbe6e0..c94b56b 100644
> --- a/drivers/clk/st/clkgen-mux.c
> +++ b/drivers/clk/st/clkgen-mux.c
> @@ -128,7 +128,7 @@ static int clkgena_divmux_is_enabled(struct clk_hw *hw)
>  
>  	__clk_hw_set_clk(mux_hw, hw);
>  
> -	return (s8)clk_mux_ops.get_parent(mux_hw) > 0;
> +	return ((s8)clk_mux_ops.get_parent(mux_hw) >= 0);

Useless parentheses around it all, please drop.

>  }
>  
>  static u8 clkgena_divmux_get_parent(struct clk_hw *hw)
> @@ -138,11 +138,13 @@ static u8 clkgena_divmux_get_parent(struct clk_hw *hw)
>  
>  	__clk_hw_set_clk(mux_hw, hw);
>  
> -	genamux->muxsel = clk_mux_ops.get_parent(mux_hw);
> -	if ((s8)genamux->muxsel < 0) {
> -		pr_debug("%s: %s: Invalid parent, setting to default.\n",
> -		      __func__, __clk_get_name(hw->clk));
> -		genamux->muxsel = 0;
> +	if (genamux->muxsel == CKGAX_CLKOPSRC_SWITCH_OFF) {
> +		genamux->muxsel = clk_mux_ops.get_parent(mux_hw);

Hm.. maybe we should fix clk_mux_ops to return 0 if it can't find the
parent? Or when this clock is registered we should read the hardware and
set a default parent so that we can't get an error code here.

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Re: [PATCH 1/9] drivers: clk: st: Incorrect clocks status

[Gabriel Fernandez]

Hi Stephen,

Thanks for reviewing


On 24 June 2015 at 22:02, Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> wrote:
> On 06/23/2015 07:09 AM, Gabriel Fernandez wrote:
>> In the clk_summary output, the h/w status of DivMux is incorrect
>> (Parent and Enable status), since the clk_mux_ops.get_parent()
>> returns -ERRCODE when clock is OFF.
>>
>> Signed-off-by: Pankaj Dev <pankaj.dev-qxv4g6HH51o@public.gmane.org>
>> Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
>> ---
>>  drivers/clk/st/clkgen-mux.c | 15 +++++++++------
>>  1 file changed, 9 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/clk/st/clkgen-mux.c b/drivers/clk/st/clkgen-mux.c
>> index 4fbe6e0..c94b56b 100644
>> --- a/drivers/clk/st/clkgen-mux.c
>> +++ b/drivers/clk/st/clkgen-mux.c
>> @@ -128,7 +128,7 @@ static int clkgena_divmux_is_enabled(struct clk_hw *hw)
>>
>>       __clk_hw_set_clk(mux_hw, hw);
>>
>> -     return (s8)clk_mux_ops.get_parent(mux_hw) > 0;
>> +     return ((s8)clk_mux_ops.get_parent(mux_hw) >= 0);
>
> Useless parentheses around it all, please drop.
>
Ok

>>  }
>>
>>  static u8 clkgena_divmux_get_parent(struct clk_hw *hw)
>> @@ -138,11 +138,13 @@ static u8 clkgena_divmux_get_parent(struct clk_hw *hw)
>>
>>       __clk_hw_set_clk(mux_hw, hw);
>>
>> -     genamux->muxsel = clk_mux_ops.get_parent(mux_hw);
>> -     if ((s8)genamux->muxsel < 0) {
>> -             pr_debug("%s: %s: Invalid parent, setting to default.\n",
>> -                   __func__, __clk_get_name(hw->clk));
>> -             genamux->muxsel = 0;
>> +     if (genamux->muxsel == CKGAX_CLKOPSRC_SWITCH_OFF) {
>> +             genamux->muxsel = clk_mux_ops.get_parent(mux_hw);
>
> Hm.. maybe we should fix clk_mux_ops to return 0 if it can't find the
> parent? Or when this clock is registered we should read the hardware and
> set a default parent so that we can't get an error code here.
>
I 'll try the second solution.

Best regards

Gabriel
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> a Linux Foundation Collaborative Project
>
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Re: [PATCH 1/9] drivers: clk: st: Incorrect clocks status

[Gabriel Fernandez]

Hi Stephen,

Can you drop also this patch because it's concerns an old platform and
there no values to make more changes.

BR
Gabriel.

On 25 June 2015 at 10:41, Gabriel Fernandez
<gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> wrote:
> Hi Stephen,
>
> Thanks for reviewing
>
>
> On 24 June 2015 at 22:02, Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> wrote:
>> On 06/23/2015 07:09 AM, Gabriel Fernandez wrote:
>>> In the clk_summary output, the h/w status of DivMux is incorrect
>>> (Parent and Enable status), since the clk_mux_ops.get_parent()
>>> returns -ERRCODE when clock is OFF.
>>>
>>> Signed-off-by: Pankaj Dev <pankaj.dev-qxv4g6HH51o@public.gmane.org>
>>> Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
>>> ---
>>>  drivers/clk/st/clkgen-mux.c | 15 +++++++++------
>>>  1 file changed, 9 insertions(+), 6 deletions(-)
>>>
>>> diff --git a/drivers/clk/st/clkgen-mux.c b/drivers/clk/st/clkgen-mux.c
>>> index 4fbe6e0..c94b56b 100644
>>> --- a/drivers/clk/st/clkgen-mux.c
>>> +++ b/drivers/clk/st/clkgen-mux.c
>>> @@ -128,7 +128,7 @@ static int clkgena_divmux_is_enabled(struct clk_hw *hw)
>>>
>>>       __clk_hw_set_clk(mux_hw, hw);
>>>
>>> -     return (s8)clk_mux_ops.get_parent(mux_hw) > 0;
>>> +     return ((s8)clk_mux_ops.get_parent(mux_hw) >= 0);
>>
>> Useless parentheses around it all, please drop.
>>
> Ok
>
>>>  }
>>>
>>>  static u8 clkgena_divmux_get_parent(struct clk_hw *hw)
>>> @@ -138,11 +138,13 @@ static u8 clkgena_divmux_get_parent(struct clk_hw *hw)
>>>
>>>       __clk_hw_set_clk(mux_hw, hw);
>>>
>>> -     genamux->muxsel = clk_mux_ops.get_parent(mux_hw);
>>> -     if ((s8)genamux->muxsel < 0) {
>>> -             pr_debug("%s: %s: Invalid parent, setting to default.\n",
>>> -                   __func__, __clk_get_name(hw->clk));
>>> -             genamux->muxsel = 0;
>>> +     if (genamux->muxsel == CKGAX_CLKOPSRC_SWITCH_OFF) {
>>> +             genamux->muxsel = clk_mux_ops.get_parent(mux_hw);
>>
>> Hm.. maybe we should fix clk_mux_ops to return 0 if it can't find the
>> parent? Or when this clock is registered we should read the hardware and
>> set a default parent so that we can't get an error code here.
>>
> I 'll try the second solution.
>
> Best regards
>
> Gabriel
>> --
>> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
>> a Linux Foundation Collaborative Project
>>
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Re: [PATCH 1/9] drivers: clk: st: Incorrect clocks status

[Stephen Boyd]

On 07/06/2015 01:11 AM, Gabriel Fernandez wrote:
> Hi Stephen,
>
> Can you drop also this patch because it's concerns an old platform and
> there no values to make more changes.

Ok, so I think this series is all applied then. Let me know if anything
is missing from -next.

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Re: [PATCH 1/9] drivers: clk: st: Incorrect clocks status

[Stephen Boyd]

On 07/06, Stephen Boyd wrote:
> On 07/06/2015 01:11 AM, Gabriel Fernandez wrote:
> > Hi Stephen,
> >
> > Can you drop also this patch because it's concerns an old platform and
> > there no values to make more changes.
> 
> Ok, so I think this series is all applied then. Let me know if anything
> is missing from -next.
> 

Except for patch 2. Please resend that with your Signed-off-by.

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[PATCH 4/9] drivers: clk: st: Fix FSYN channel values

[Gabriel Fernandez]

This patch fixes the value for disabling the FSYN channel clock.
The 'is_enabled' returned value is also fixed.

Signed-off-by: Pankaj Dev <pankaj.dev-qxv4g6HH51o@public.gmane.org>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
 drivers/clk/st/clkgen-fsyn.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c
index e7e6782..9e26099 100644
--- a/drivers/clk/st/clkgen-fsyn.c
+++ b/drivers/clk/st/clkgen-fsyn.c
@@ -489,7 +489,7 @@ static int quadfs_pll_is_enabled(struct clk_hw *hw)
 	struct st_clk_quadfs_pll *pll = to_quadfs_pll(hw);
 	u32 npda = CLKGEN_READ(pll, npda);
 
-	return !!npda;
+	return pll->data->powerup_polarity ? !npda : !!npda;
 }
 
 static int clk_fs660c32_vco_get_rate(unsigned long input, struct stm_fs *fs,
@@ -774,7 +774,7 @@ static void quadfs_fsynth_disable(struct clk_hw *hw)
 	if (fs->lock)
 		spin_lock_irqsave(fs->lock, flags);
 
-	CLKGEN_WRITE(fs, nsb[fs->chan], !fs->data->standby_polarity);
+	CLKGEN_WRITE(fs, nsb[fs->chan], fs->data->standby_polarity);
 
 	if (fs->lock)
 		spin_unlock_irqrestore(fs->lock, flags);
-- 
1.9.1

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Re: [PATCH 4/9] drivers: clk: st: Fix FSYN channel values

[Stephen Boyd]

On 06/23, Gabriel Fernandez wrote:
> This patch fixes the value for disabling the FSYN channel clock.
> The 'is_enabled' returned value is also fixed.
> 
> Signed-off-by: Pankaj Dev <pankaj.dev@st.com>
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
> ---

Applied to clk-fixes

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[PATCH 5/9] drivers: clk: st: Fix flexgen lock init

[Gabriel Fernandez]

From: Giuseppe Cavallaro <peppe.cavallaro-qxv4g6HH51o@public.gmane.org>

While proving lock, the following warning happens
and it is fixed after initializing lock in the setup
function

INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.27-02861-g39df285-dirty #33
[<c00154ac>] (unwind_backtrace+0x0/0xf4) from [<c0011b50>] (show_stack+0x10/0x14)
[<c0011b50>] (show_stack+0x10/0x14) from [<c00689ac>] (__lock_acquire+0x900/0xb14)
[<c00689ac>] (__lock_acquire+0x900/0xb14) from [<c0069394>] (lock_acquire+0x68/0x7c)
[<c0069394>] (lock_acquire+0x68/0x7c) from [<c04958f8>] (_raw_spin_lock_irqsave+0x48/0x5c)
[<c04958f8>] (_raw_spin_lock_irqsave+0x48/0x5c) from [<c0381e6c>] (clk_gate_endisable+0x28/0x88)
[<c0381e6c>] (clk_gate_endisable+0x28/0x88) from [<c0381ee0>] (clk_gate_enable+0xc/0x14)
[<c0381ee0>] (clk_gate_enable+0xc/0x14) from [<c0386c68>] (flexgen_enable+0x28/0x40)
[<c0386c68>] (flexgen_enable+0x28/0x40) from [<c037f260>] (__clk_enable+0x5c/0x9c)
[<c037f260>] (__clk_enable+0x5c/0x9c) from [<c037f558>] (clk_enable+0x18/0x2c)
[<c037f558>] (clk_enable+0x18/0x2c) from [<c064a1dc>] (st_lpc_of_register+0xc0/0x248)
[<c064a1dc>] (st_lpc_of_register+0xc0/0x248) from [<c0649e44>] (clocksource_of_init+0x34/0x58)
[<c0649e44>] (clocksource_of_init+0x34/0x58) from [<c0637ddc>] (sti_timer_init+0x10/0x18)
[<c0637ddc>] (sti_timer_init+0x10/0x18) from [<c06343f8>] (time_init+0x20/0x30)
[<c06343f8>] (time_init+0x20/0x30) from [<c0632984>] (start_kernel+0x20c/0x2e8)
[<c0632984>] (start_kernel+0x20c/0x2e8) from [<40008074>] (0x40008074)

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro-qxv4g6HH51o@public.gmane.org>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
 drivers/clk/st/clk-flexgen.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/clk/st/clk-flexgen.c b/drivers/clk/st/clk-flexgen.c
index 657ca14..be06d2a 100644
--- a/drivers/clk/st/clk-flexgen.c
+++ b/drivers/clk/st/clk-flexgen.c
@@ -303,6 +303,8 @@ static void __init st_of_flexgen_setup(struct device_node *np)
 	if (!rlock)
 		goto err;
 
+	spin_lock_init(rlock);
+
 	for (i = 0; i < clk_data->clk_num; i++) {
 		struct clk *clk;
 		const char *clk_name;
-- 
1.9.1

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Re: [PATCH 5/9] drivers: clk: st: Fix flexgen lock init

[Stephen Boyd]

On 06/23, Gabriel Fernandez wrote:
> From: Giuseppe Cavallaro <peppe.cavallaro@st.com>
> 
> While proving lock, the following warning happens
> and it is fixed after initializing lock in the setup
> function
> 
> INFO: trying to register non-static key.
> the code is fine but needs lockdep annotation.
> turning off the locking correctness validator.
> CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.27-02861-g39df285-dirty #33
> [<c00154ac>] (unwind_backtrace+0x0/0xf4) from [<c0011b50>] (show_stack+0x10/0x14)
> [<c0011b50>] (show_stack+0x10/0x14) from [<c00689ac>] (__lock_acquire+0x900/0xb14)
> [<c00689ac>] (__lock_acquire+0x900/0xb14) from [<c0069394>] (lock_acquire+0x68/0x7c)
> [<c0069394>] (lock_acquire+0x68/0x7c) from [<c04958f8>] (_raw_spin_lock_irqsave+0x48/0x5c)
> [<c04958f8>] (_raw_spin_lock_irqsave+0x48/0x5c) from [<c0381e6c>] (clk_gate_endisable+0x28/0x88)
> [<c0381e6c>] (clk_gate_endisable+0x28/0x88) from [<c0381ee0>] (clk_gate_enable+0xc/0x14)
> [<c0381ee0>] (clk_gate_enable+0xc/0x14) from [<c0386c68>] (flexgen_enable+0x28/0x40)
> [<c0386c68>] (flexgen_enable+0x28/0x40) from [<c037f260>] (__clk_enable+0x5c/0x9c)
> [<c037f260>] (__clk_enable+0x5c/0x9c) from [<c037f558>] (clk_enable+0x18/0x2c)
> [<c037f558>] (clk_enable+0x18/0x2c) from [<c064a1dc>] (st_lpc_of_register+0xc0/0x248)
> [<c064a1dc>] (st_lpc_of_register+0xc0/0x248) from [<c0649e44>] (clocksource_of_init+0x34/0x58)
> [<c0649e44>] (clocksource_of_init+0x34/0x58) from [<c0637ddc>] (sti_timer_init+0x10/0x18)
> [<c0637ddc>] (sti_timer_init+0x10/0x18) from [<c06343f8>] (time_init+0x20/0x30)
> [<c06343f8>] (time_init+0x20/0x30) from [<c0632984>] (start_kernel+0x20c/0x2e8)
> [<c0632984>] (start_kernel+0x20c/0x2e8) from [<40008074>] (0x40008074)
> 
> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
> ---

Applied to clk-fixes

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[PATCH 6/9] drivers: clk: st: Add CLK_GET_RATE_NOCACHE flag to clocks

[Gabriel Fernandez]

From: Pankaj Dev <pankaj.dev-qxv4g6HH51o@public.gmane.org>

Add the CLK_GET_RATE_NOCACHE flag to all the clocks with recalc ops,
so that they reflect Hw rate after CPS wake-up when a clk_get_rate()
is called

Signed-off-by: Pankaj Dev <pankaj.dev-qxv4g6HH51o@public.gmane.org>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
 drivers/clk/st/clk-flexgen.c | 2 +-
 drivers/clk/st/clkgen-fsyn.c | 2 +-
 drivers/clk/st/clkgen-mux.c  | 8 +++++---
 drivers/clk/st/clkgen-pll.c  | 2 +-
 4 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/clk/st/clk-flexgen.c b/drivers/clk/st/clk-flexgen.c
index be06d2a..8dd8cce 100644
--- a/drivers/clk/st/clk-flexgen.c
+++ b/drivers/clk/st/clk-flexgen.c
@@ -190,7 +190,7 @@ static struct clk *clk_register_flexgen(const char *name,
 
 	init.name = name;
 	init.ops = &flexgen_ops;
-	init.flags = CLK_IS_BASIC | flexgen_flags;
+	init.flags = CLK_IS_BASIC | CLK_GET_RATE_NOCACHE | flexgen_flags;
 	init.parent_names = parent_names;
 	init.num_parents = num_parents;
 
diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c
index 9e26099..d9eb2e1 100644
--- a/drivers/clk/st/clkgen-fsyn.c
+++ b/drivers/clk/st/clkgen-fsyn.c
@@ -635,7 +635,7 @@ static struct clk * __init st_clk_register_quadfs_pll(
 
 	init.name = name;
 	init.ops = quadfs->pll_ops;
-	init.flags = CLK_IS_BASIC;
+	init.flags = CLK_IS_BASIC | CLK_GET_RATE_NOCACHE;
 	init.parent_names = &parent_name;
 	init.num_parents = 1;
 
diff --git a/drivers/clk/st/clkgen-mux.c b/drivers/clk/st/clkgen-mux.c
index c94b56b..3919a67 100644
--- a/drivers/clk/st/clkgen-mux.c
+++ b/drivers/clk/st/clkgen-mux.c
@@ -239,7 +239,7 @@ static struct clk *clk_register_genamux(const char *name,
 
 	init.name = name;
 	init.ops = &clkgena_divmux_ops;
-	init.flags = CLK_IS_BASIC;
+	init.flags = CLK_IS_BASIC | CLK_GET_RATE_NOCACHE;
 	init.parent_names = parent_names;
 	init.num_parents = num_parents;
 
@@ -516,7 +516,8 @@ static void __init st_of_clkgena_prediv_setup(struct device_node *np)
 					  0, &clk_name))
 		return;
 
-	clk = clk_register_divider_table(NULL, clk_name, parent_name, 0,
+	clk = clk_register_divider_table(NULL, clk_name, parent_name,
+					 CLK_GET_RATE_NOCACHE,
 					 reg + data->offset, data->shift, 1,
 					 0, data->table, NULL);
 	if (IS_ERR(clk))
@@ -789,7 +790,8 @@ static void __init st_of_clkgen_vcc_setup(struct device_node *np)
 					     &mux->hw, &clk_mux_ops,
 					     &div->hw, &clk_divider_ops,
 					     &gate->hw, &clk_gate_ops,
-					     data->clk_flags);
+					     data->clk_flags |
+					     CLK_GET_RATE_NOCACHE);
 		if (IS_ERR(clk)) {
 			kfree(gate);
 			kfree(div);
diff --git a/drivers/clk/st/clkgen-pll.c b/drivers/clk/st/clkgen-pll.c
index 1065322..72d1c27 100644
--- a/drivers/clk/st/clkgen-pll.c
+++ b/drivers/clk/st/clkgen-pll.c
@@ -406,7 +406,7 @@ static struct clk * __init clkgen_pll_register(const char *parent_name,
 	init.name = clk_name;
 	init.ops = pll_data->ops;
 
-	init.flags = CLK_IS_BASIC;
+	init.flags = CLK_IS_BASIC | CLK_GET_RATE_NOCACHE;
 	init.parent_names = &parent_name;
 	init.num_parents  = 1;
 
-- 
1.9.1

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Re: [PATCH 6/9] drivers: clk: st: Add CLK_GET_RATE_NOCACHE flag to clocks

[Stephen Boyd]

On 06/23, Gabriel Fernandez wrote:
> From: Pankaj Dev <pankaj.dev-qxv4g6HH51o@public.gmane.org>
> 
> Add the CLK_GET_RATE_NOCACHE flag to all the clocks with recalc ops,
> so that they reflect Hw rate after CPS wake-up when a clk_get_rate()
> is called
> 
> Signed-off-by: Pankaj Dev <pankaj.dev-qxv4g6HH51o@public.gmane.org>
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> ---

Applied to clk-fixes

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[PATCH 7/9] drivers: clk: st: Fix mux bit-setting for Cortex A9 clocks

[Gabriel Fernandez]

This patch fixes the mux bit-setting for ClockgenA9.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
 drivers/clk/st/clkgen-mux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/st/clkgen-mux.c b/drivers/clk/st/clkgen-mux.c
index 3919a67..ecb492e 100644
--- a/drivers/clk/st/clkgen-mux.c
+++ b/drivers/clk/st/clkgen-mux.c
@@ -586,7 +586,7 @@ static struct clkgen_mux_data stih416_a9_mux_data = {
 };
 static struct clkgen_mux_data stih407_a9_mux_data = {
 	.offset = 0x1a4,
-	.shift = 1,
+	.shift = 0,
 	.width = 2,
 };
 
-- 
1.9.1

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Re: [PATCH 7/9] drivers: clk: st: Fix mux bit-setting for Cortex A9 clocks

[Stephen Boyd]

On 06/23, Gabriel Fernandez wrote:
> This patch fixes the mux bit-setting for ClockgenA9.
> 
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> ---

Applied to clk-fixes

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[PATCH 8/9] drivers: clk: st: Rename st_pll3200c32_407_c0_x into st_pll3200c32_cx_x

[Gabriel Fernandez]

Use a generic name for this kind of PLL

Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
 drivers/clk/st/clkgen-fsyn.c |  8 ++++----
 drivers/clk/st/clkgen-pll.c  | 12 ++++++------
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c
index d9eb2e1..a2239cf 100644
--- a/drivers/clk/st/clkgen-fsyn.c
+++ b/drivers/clk/st/clkgen-fsyn.c
@@ -306,7 +306,7 @@ static const struct clkgen_quadfs_data st_fs660c32_F_416 = {
 	.get_rate	= clk_fs660c32_dig_get_rate,
 };
 
-static const struct clkgen_quadfs_data st_fs660c32_C_407 = {
+static const struct clkgen_quadfs_data st_fs660c32_C = {
 	.nrst_present = true,
 	.nrst	= { CLKGEN_FIELD(0x2f0, 0x1, 0),
 		    CLKGEN_FIELD(0x2f0, 0x1, 1),
@@ -349,7 +349,7 @@ static const struct clkgen_quadfs_data st_fs660c32_C_407 = {
 	.get_rate	= clk_fs660c32_dig_get_rate,
 };
 
-static const struct clkgen_quadfs_data st_fs660c32_D_407 = {
+static const struct clkgen_quadfs_data st_fs660c32_D = {
 	.nrst_present = true,
 	.nrst	= { CLKGEN_FIELD(0x2a0, 0x1, 0),
 		    CLKGEN_FIELD(0x2a0, 0x1, 1),
@@ -1076,11 +1076,11 @@ static const struct of_device_id quadfs_of_match[] = {
 	},
 	{
 		.compatible = "st,stih407-quadfs660-C",
-		.data = &st_fs660c32_C_407
+		.data = &st_fs660c32_C
 	},
 	{
 		.compatible = "st,stih407-quadfs660-D",
-		.data = &st_fs660c32_D_407
+		.data = &st_fs660c32_D
 	},
 	{}
 };
diff --git a/drivers/clk/st/clkgen-pll.c b/drivers/clk/st/clkgen-pll.c
index 72d1c27..6742b3d 100644
--- a/drivers/clk/st/clkgen-pll.c
+++ b/drivers/clk/st/clkgen-pll.c
@@ -192,7 +192,7 @@ static const struct clkgen_pll_data st_pll3200c32_407_a0 = {
 	.ops		= &stm_pll3200c32_ops,
 };
 
-static const struct clkgen_pll_data st_pll3200c32_407_c0_0 = {
+static const struct clkgen_pll_data st_pll3200c32_cx_0 = {
 	/* 407 C0 PLL0 */
 	.pdn_status	= CLKGEN_FIELD(0x2a0,	0x1,			8),
 	.locked_status	= CLKGEN_FIELD(0x2a0,	0x1,			24),
@@ -204,7 +204,7 @@ static const struct clkgen_pll_data st_pll3200c32_407_c0_0 = {
 	.ops		= &stm_pll3200c32_ops,
 };
 
-static const struct clkgen_pll_data st_pll3200c32_407_c0_1 = {
+static const struct clkgen_pll_data st_pll3200c32_cx_1 = {
 	/* 407 C0 PLL1 */
 	.pdn_status	= CLKGEN_FIELD(0x2c8,	0x1,			8),
 	.locked_status	= CLKGEN_FIELD(0x2c8,	0x1,			24),
@@ -623,12 +623,12 @@ static const struct of_device_id c32_pll_of_match[] = {
 		.data = &st_pll3200c32_407_a0,
 	},
 	{
-		.compatible = "st,stih407-plls-c32-c0_0",
-		.data = &st_pll3200c32_407_c0_0,
+		.compatible = "st,plls-c32-cx_0",
+		.data = &st_pll3200c32_cx_0,
 	},
 	{
-		.compatible = "st,stih407-plls-c32-c0_1",
-		.data = &st_pll3200c32_407_c0_1,
+		.compatible = "st,plls-c32-cx_1",
+		.data = &st_pll3200c32_cx_1,
 	},
 	{
 		.compatible = "st,stih407-plls-c32-a9",
-- 
1.9.1

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Re: [PATCH 8/9] drivers: clk: st: Rename st_pll3200c32_407_c0_x into st_pll3200c32_cx_x

[Stephen Boyd]

On 06/23, Gabriel Fernandez wrote:
> Use a generic name for this kind of PLL
> 
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>

Is this just a cleanup/nicety? I could take this patch but patch
9 needs to go through arm-soc and then we have to deal with DT
incompatibility. How about we drop these last two patches?

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Re: [PATCH 8/9] drivers: clk: st: Rename st_pll3200c32_407_c0_x into st_pll3200c32_cx_x

[Gabriel Fernandez]

Hi Stephen,

Sorry for the delay i was in day off.

Yes it's just a cleanup but it's to prepare introduction of new
platform which use this PLL.

If you want apply only fixes we can drop these last two patches.

And in a second phase,  deals with Maxime to avoid break compatibility.

BR

Gabriel.

On 2 July 2015 at 18:59, Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> wrote:
> On 06/23, Gabriel Fernandez wrote:
>> Use a generic name for this kind of PLL
>>
>> Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
>
> Is this just a cleanup/nicety? I could take this patch but patch
> 9 needs to go through arm-soc and then we have to deal with DT
> incompatibility. How about we drop these last two patches?
>
> --
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
> a Linux Foundation Collaborative Project
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[PATCH 9/9] ARM: STi: DT: Rename st_pll3200c32_407_c0_x into st_pll3200c32_cx_x

[Gabriel Fernandez]

Use a generic name for this kind of PLL

Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
 Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt | 4 ++--
 arch/arm/boot/dts/stih407-clock.dtsi                         | 4 ++--
 arch/arm/boot/dts/stih410-clock.dtsi                         | 4 ++--
 arch/arm/boot/dts/stih418-clock.dtsi                         | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt b/Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt
index efb51cf..d8b168e 100644
--- a/Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt
+++ b/Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt
@@ -21,8 +21,8 @@ Required properties:
 	"st,stih416-plls-c32-ddr",	"st,clkgen-plls-c32"
 	"st,stih407-plls-c32-a0",	"st,clkgen-plls-c32"
 	"st,stih407-plls-c32-a9",	"st,clkgen-plls-c32"
-	"st,stih407-plls-c32-c0_0",	"st,clkgen-plls-c32"
-	"st,stih407-plls-c32-c0_1",	"st,clkgen-plls-c32"
+	"sst,plls-c32-cx_0",		"st,clkgen-plls-c32"
+	"sst,plls-c32-cx_1",		"st,clkgen-plls-c32"
 
 	"st,stih415-gpu-pll-c32",	"st,clkgengpu-pll-c32"
 	"st,stih416-gpu-pll-c32",	"st,clkgengpu-pll-c32"
diff --git a/arch/arm/boot/dts/stih407-clock.dtsi b/arch/arm/boot/dts/stih407-clock.dtsi
index e65744f..ad45f5e 100644
--- a/arch/arm/boot/dts/stih407-clock.dtsi
+++ b/arch/arm/boot/dts/stih407-clock.dtsi
@@ -134,7 +134,7 @@
 
 			clk_s_c0_pll0: clk-s-c0-pll0 {
 				#clock-cells = <1>;
-				compatible = "st,stih407-plls-c32-c0_0", "st,clkgen-plls-c32";
+				compatible = "st,plls-c32-cx_0", "st,clkgen-plls-c32";
 
 				clocks = <&clk_sysin>;
 
@@ -143,7 +143,7 @@
 
 			clk_s_c0_pll1: clk-s-c0-pll1 {
 				#clock-cells = <1>;
-				compatible = "st,stih407-plls-c32-c0_1", "st,clkgen-plls-c32";
+				compatible = "st,plls-c32-cx_1", "st,clkgen-plls-c32";
 
 				clocks = <&clk_sysin>;
 
diff --git a/arch/arm/boot/dts/stih410-clock.dtsi b/arch/arm/boot/dts/stih410-clock.dtsi
index 6b5803a..d1f2aca 100644
--- a/arch/arm/boot/dts/stih410-clock.dtsi
+++ b/arch/arm/boot/dts/stih410-clock.dtsi
@@ -137,7 +137,7 @@
 
 			clk_s_c0_pll0: clk-s-c0-pll0 {
 				#clock-cells = <1>;
-				compatible = "st,stih407-plls-c32-c0_0", "st,clkgen-plls-c32";
+				compatible = "st,plls-c32-cx_0", "st,clkgen-plls-c32";
 
 				clocks = <&clk_sysin>;
 
@@ -146,7 +146,7 @@
 
 			clk_s_c0_pll1: clk-s-c0-pll1 {
 				#clock-cells = <1>;
-				compatible = "st,stih407-plls-c32-c0_1", "st,clkgen-plls-c32";
+				compatible = "st,plls-c32-cx_1", "st,clkgen-plls-c32";
 
 				clocks = <&clk_sysin>;
 
diff --git a/arch/arm/boot/dts/stih418-clock.dtsi b/arch/arm/boot/dts/stih418-clock.dtsi
index 0ab23da..148e177 100644
--- a/arch/arm/boot/dts/stih418-clock.dtsi
+++ b/arch/arm/boot/dts/stih418-clock.dtsi
@@ -137,7 +137,7 @@
 
 			clk_s_c0_pll0: clk-s-c0-pll0 {
 				#clock-cells = <1>;
-				compatible = "st,stih407-plls-c32-c0_0", "st,clkgen-plls-c32";
+				compatible = "st,plls-c32-cx_0", "st,clkgen-plls-c32";
 
 				clocks = <&clk_sysin>;
 
@@ -146,7 +146,7 @@
 
 			clk_s_c0_pll1: clk-s-c0-pll1 {
 				#clock-cells = <1>;
-				compatible = "st,stih407-plls-c32-c0_1", "st,clkgen-plls-c32";
+				compatible = "st,plls-c32-cx_1", "st,clkgen-plls-c32";
 
 				clocks = <&clk_sysin>;
 
-- 
1.9.1

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Re: [PATCH 9/9] ARM: STi: DT: Rename st_pll3200c32_407_c0_x into st_pll3200c32_cx_x

[Maxime Coquelin]

Hi Gabriel,

On 06/23/2015 04:09 PM, Gabriel Fernandez wrote:
> Use a generic name for this kind of PLL
>
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> ---
>   Documentation/devicetree/bindings/clock/st/st,clkgen-pll.txt | 4 ++--
>   arch/arm/boot/dts/stih407-clock.dtsi                         | 4 ++--
>   arch/arm/boot/dts/stih410-clock.dtsi                         | 4 ++--
>   arch/arm/boot/dts/stih418-clock.dtsi                         | 4 ++--
>   4 files changed, 8 insertions(+), 8 deletions(-)
>
>

Patch applied to sti-dt-for-v4.3.

Thanks!
Maxime
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