2019-10-03 19:13:51

by Frank Wunderlich

[permalink] [raw]
Subject: [PATCH] mfd: mt6397: fix probe after changing mt6397-core

Part 3 from this series [1] was not merged due to wrong splitting
and breaks mt6323 pmic on bananapi-r2

dmesg prints this line and at least switch is not initialized on bananapi-r2

mt6397 1000d000.pwrap:mt6323: unsupported chip: 0x0

this patch contains only the probe-changes and chip_data structs
from original part 3 by Hsin-Hsiung Wang

Fixes: a4872e80ce7d2a1844328176dbf279d0a2b89bdb mfd: mt6397: Extract IRQ related code from core driver

[1] https://patchwork.kernel.org/project/linux-mediatek/list/?series=164155

Signed-off-by: Frank Wunderlich <[email protected]>
---
drivers/mfd/mt6397-core.c | 64 ++++++++++++++++++++++++---------------
1 file changed, 40 insertions(+), 24 deletions(-)

diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index 310dae26ddff..b2c325ead1c8 100644
--- a/drivers/mfd/mt6397-core.c
+++ b/drivers/mfd/mt6397-core.c
@@ -129,11 +129,27 @@ static int mt6397_irq_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(mt6397_pm_ops, mt6397_irq_suspend,
mt6397_irq_resume);

+struct chip_data {
+ u32 cid_addr;
+ u32 cid_shift;
+};
+
+static const struct chip_data mt6323_core = {
+ .cid_addr = MT6323_CID,
+ .cid_shift = 0,
+};
+
+static const struct chip_data mt6397_core = {
+ .cid_addr = MT6397_CID,
+ .cid_shift = 0,
+};
+
static int mt6397_probe(struct platform_device *pdev)
{
int ret;
unsigned int id;
struct mt6397_chip *pmic;
+ const struct chip_data *pmic_core;

pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
if (!pmic)
@@ -149,28 +165,30 @@ static int mt6397_probe(struct platform_device *pdev)
if (!pmic->regmap)
return -ENODEV;

- platform_set_drvdata(pdev, pmic);
+ pmic_core = of_device_get_match_data(&pdev->dev);
+ if (!pmic_core)
+ return -ENODEV;

- ret = regmap_read(pmic->regmap, MT6397_CID, &id);
+ ret = regmap_read(pmic->regmap, pmic_core->cid_addr, &id);
if (ret) {
- dev_err(pmic->dev, "Failed to read chip id: %d\n", ret);
+ dev_err(&pdev->dev, "Failed to read chip id: %d\n", ret);
return ret;
}

+ pmic->chip_id = (id >> pmic_core->cid_shift) & 0xff;
+
+ platform_set_drvdata(pdev, pmic);
+
pmic->irq = platform_get_irq(pdev, 0);
if (pmic->irq <= 0)
return pmic->irq;

- switch (id & 0xff) {
- case MT6323_CHIP_ID:
- pmic->int_con[0] = MT6323_INT_CON0;
- pmic->int_con[1] = MT6323_INT_CON1;
- pmic->int_status[0] = MT6323_INT_STATUS0;
- pmic->int_status[1] = MT6323_INT_STATUS1;
- ret = mt6397_irq_init(pmic);
- if (ret)
- return ret;
+ ret = mt6397_irq_init(pmic);
+ if (ret)
+ return ret;

+ switch (pmic->chip_id) {
+ case MT6323_CHIP_ID:
ret = devm_mfd_add_devices(&pdev->dev, -1, mt6323_devs,
ARRAY_SIZE(mt6323_devs), NULL,
0, pmic->irq_domain);
@@ -178,21 +196,13 @@ static int mt6397_probe(struct platform_device *pdev)

case MT6391_CHIP_ID:
case MT6397_CHIP_ID:
- pmic->int_con[0] = MT6397_INT_CON0;
- pmic->int_con[1] = MT6397_INT_CON1;
- pmic->int_status[0] = MT6397_INT_STATUS0;
- pmic->int_status[1] = MT6397_INT_STATUS1;
- ret = mt6397_irq_init(pmic);
- if (ret)
- return ret;
-
ret = devm_mfd_add_devices(&pdev->dev, -1, mt6397_devs,
ARRAY_SIZE(mt6397_devs), NULL,
0, pmic->irq_domain);
break;

default:
- dev_err(&pdev->dev, "unsupported chip: %d\n", id);
+ dev_err(&pdev->dev, "unsupported chip: %d\n", pmic->chip_id);
return -ENODEV;
}

@@ -205,9 +215,15 @@ static int mt6397_probe(struct platform_device *pdev)
}

static const struct of_device_id mt6397_of_match[] = {
- { .compatible = "mediatek,mt6397" },
- { .compatible = "mediatek,mt6323" },
- { }
+ {
+ .compatible = "mediatek,mt6323",
+ .data = &mt6323_core,
+ }, {
+ .compatible = "mediatek,mt6397",
+ .data = &mt6397_core,
+ }, {
+ /* sentinel */
+ }
};
MODULE_DEVICE_TABLE(of, mt6397_of_match);

--
2.17.1


2019-10-04 15:22:13

by Lee Jones

[permalink] [raw]
Subject: Re: [PATCH] mfd: mt6397: fix probe after changing mt6397-core

On Thu, 03 Oct 2019, Frank Wunderlich wrote:

> Part 3 from this series [1] was not merged due to wrong splitting
> and breaks mt6323 pmic on bananapi-r2
>
> dmesg prints this line and at least switch is not initialized on bananapi-r2
>
> mt6397 1000d000.pwrap:mt6323: unsupported chip: 0x0
>
> this patch contains only the probe-changes and chip_data structs
> from original part 3 by Hsin-Hsiung Wang
>
> Fixes: a4872e80ce7d2a1844328176dbf279d0a2b89bdb mfd: mt6397: Extract IRQ related code from core driver
>
> [1] https://patchwork.kernel.org/project/linux-mediatek/list/?series=164155
>
> Signed-off-by: Frank Wunderlich <[email protected]>
> ---
> drivers/mfd/mt6397-core.c | 64 ++++++++++++++++++++++++---------------
> 1 file changed, 40 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
> index 310dae26ddff..b2c325ead1c8 100644
> --- a/drivers/mfd/mt6397-core.c
> +++ b/drivers/mfd/mt6397-core.c
> @@ -129,11 +129,27 @@ static int mt6397_irq_resume(struct device *dev)
> static SIMPLE_DEV_PM_OPS(mt6397_pm_ops, mt6397_irq_suspend,
> mt6397_irq_resume);
>
> +struct chip_data {
> + u32 cid_addr;
> + u32 cid_shift;
> +};
> +
> +static const struct chip_data mt6323_core = {
> + .cid_addr = MT6323_CID,
> + .cid_shift = 0,
> +};
> +
> +static const struct chip_data mt6397_core = {
> + .cid_addr = MT6397_CID,
> + .cid_shift = 0,
> +};

Will there be other devices which have a !0 CID shift?

--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

2019-10-04 15:55:22

by Frank Wunderlich

[permalink] [raw]
Subject: Aw: Re: [PATCH] mfd: mt6397: fix probe after changing mt6397-core

This Question goes to Hsin-Hsiung Wang ;)

i only took his code (and splitted the 3rd part) to get mt6323 working again without reverting the other 2 Patches

regards Frank


> Gesendet: Freitag, 04. Oktober 2019 um 17:20 Uhr
> Von: "Lee Jones" <[email protected]>

> Will there be other devices which have a !0 CID shift?

2019-10-05 08:28:23

by Matthias Brugger

[permalink] [raw]
Subject: Re: Aw: Re: [PATCH] mfd: mt6397: fix probe after changing mt6397-core



On 04/10/2019 17:51, Frank Wunderlich wrote:
> This Question goes to Hsin-Hsiung Wang ;)
>
> i only took his code (and splitted the 3rd part) to get mt6323 working again without reverting the other 2 Patches
>> regards Frank
>
>
>> Gesendet: Freitag, 04. Oktober 2019 um 17:20 Uhr
>> Von: "Lee Jones" <[email protected]>
>
>> Will there be other devices which have a !0 CID shift?
>

Frank, a quick look at the series would have given you the answer.
@Lee: yes, this change is the preparation to support MT6358:
https://patchwork.kernel.org/patch/11110515/

Regards,
Matthias

2019-10-07 03:25:40

by Hsin-Hsiung Wang

[permalink] [raw]
Subject: Re: Aw: Re: [PATCH] mfd: mt6397: fix probe after changing mt6397-core

On Sat, 2019-10-05 at 10:16 +0200, Matthias Brugger wrote:
>
> On 04/10/2019 17:51, Frank Wunderlich wrote:
> > This Question goes to Hsin-Hsiung Wang ;)
> >
> > i only took his code (and splitted the 3rd part) to get mt6323 working again without reverting the other 2 Patches
> >> regards Frank
> >
Hi Frank,
Sorry for the late reply.
I appreciate your help very much for splitting the code to fix the
issue.
This patch is ok for me.

> >
> >> Gesendet: Freitag, 04. Oktober 2019 um 17:20 Uhr
> >> Von: "Lee Jones" <[email protected]>
> >
> >> Will there be other devices which have a !0 CID shift?
> >
>
> Frank, a quick look at the series would have given you the answer.
> @Lee: yes, this change is the preparation to support MT6358:
> https://patchwork.kernel.org/patch/11110515/
>

Hi, Lee
MT6358 uses 8 for the cid shift and I will submit next version patch of
mt6358 which is based on Frank's patch.

Hi, Matthias
Many thanks for the explanation.

> Regards,
> Matthias


2019-10-07 03:34:41

by Hsin-Hsiung Wang

[permalink] [raw]
Subject: Re: Aw: Re: [PATCH] mfd: mt6397: fix probe after changing mt6397-core

On Sat, 2019-10-05 at 10:16 +0200, Matthias Brugger wrote:
>
> On 04/10/2019 17:51, Frank Wunderlich wrote:
> > This Question goes to Hsin-Hsiung Wang ;)
> >
> > i only took his code (and splitted the 3rd part) to get mt6323 working again without reverting the other 2 Patches
> >> regards Frank

Hi, Frank
Sorry for the late reply.
I appreciate your help very much for splitting the code to fix the
issue.
This patch is ok for me.

> >
> >
> >> Gesendet: Freitag, 04. Oktober 2019 um 17:20 Uhr
> >> Von: "Lee Jones" <[email protected]>
> >
> >> Will there be other devices which have a !0 CID shift?
> >
>
> Frank, a quick look at the series would have given you the answer.
> @Lee: yes, this change is the preparation to support MT6358:
> https://patchwork.kernel.org/patch/11110515/
>
Hi, Lee
MT6358 uses 8 for the cid shift and I will submit next version patch of
mt6358 which is based on Frank's patch.

Hi, Matthias
Many thanks for the explanation.

> Regards,
> Matthias


2019-10-09 05:23:53

by Frank Wunderlich

[permalink] [raw]
Subject: Re: [PATCH] mfd: mt6397: fix probe after changing mt6397-core

Should i send patch without the shift (because rest of series gets not merged in 5.4)?

Am 4. Oktober 2019 17:20:01 MESZ schrieb Lee Jones <[email protected]>:
>On Thu, 03 Oct 2019, Frank Wunderlich wrote:
>
>> Part 3 from this series [1] was not merged due to wrong splitting
>> and breaks mt6323 pmic on bananapi-r2
>>
>> dmesg prints this line and at least switch is not initialized on
>bananapi-r2
>>
>> mt6397 1000d000.pwrap:mt6323: unsupported chip: 0x0
>>
>> this patch contains only the probe-changes and chip_data structs
>> from original part 3 by Hsin-Hsiung Wang
>>
>> Fixes: a4872e80ce7d2a1844328176dbf279d0a2b89bdb mfd: mt6397: Extract
>IRQ related code from core driver
>>
>> [1]
>https://patchwork.kernel.org/project/linux-mediatek/list/?series=164155
>>
>> Signed-off-by: Frank Wunderlich <[email protected]>
>> ---
>> drivers/mfd/mt6397-core.c | 64
>++++++++++++++++++++++++---------------
>> 1 file changed, 40 insertions(+), 24 deletions(-)
>>
>> diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
>> index 310dae26ddff..b2c325ead1c8 100644
>> --- a/drivers/mfd/mt6397-core.c
>> +++ b/drivers/mfd/mt6397-core.c
>> @@ -129,11 +129,27 @@ static int mt6397_irq_resume(struct device
>*dev)
>> static SIMPLE_DEV_PM_OPS(mt6397_pm_ops, mt6397_irq_suspend,
>> mt6397_irq_resume);
>>
>> +struct chip_data {
>> + u32 cid_addr;
>> + u32 cid_shift;
>> +};
>> +
>> +static const struct chip_data mt6323_core = {
>> + .cid_addr = MT6323_CID,
>> + .cid_shift = 0,
>> +};
>> +
>> +static const struct chip_data mt6397_core = {
>> + .cid_addr = MT6397_CID,
>> + .cid_shift = 0,
>> +};
>
>Will there be other devices which have a !0 CID shift?
>
>--
>Lee Jones [李琼斯]
>Linaro Services Technical Lead
>Linaro.org │ Open source software for ARM SoCs
>Follow Linaro: Facebook | Twitter | Blog
>
>_______________________________________________
>Linux-mediatek mailing list
>[email protected]
>http://lists.infradead.org/mailman/listinfo/linux-mediatek

2019-10-16 13:52:21

by Lee Jones

[permalink] [raw]
Subject: Re: [PATCH] mfd: mt6397: fix probe after changing mt6397-core

On Thu, 03 Oct 2019, Frank Wunderlich wrote:

> Part 3 from this series [1] was not merged due to wrong splitting
> and breaks mt6323 pmic on bananapi-r2
>
> dmesg prints this line and at least switch is not initialized on bananapi-r2
>
> mt6397 1000d000.pwrap:mt6323: unsupported chip: 0x0
>
> this patch contains only the probe-changes and chip_data structs
> from original part 3 by Hsin-Hsiung Wang
>
> Fixes: a4872e80ce7d2a1844328176dbf279d0a2b89bdb mfd: mt6397: Extract IRQ related code from core driver

I've fixed this line to use the standard formatting.

> [1] https://patchwork.kernel.org/project/linux-mediatek/list/?series=164155
>
> Signed-off-by: Frank Wunderlich <[email protected]>
> ---
> drivers/mfd/mt6397-core.c | 64 ++++++++++++++++++++++++---------------
> 1 file changed, 40 insertions(+), 24 deletions(-)

Applied, thanks.

--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

2019-10-22 09:49:12

by Frank Wunderlich

[permalink] [raw]
Subject: Re: [PATCH] mfd: mt6397: fix probe after changing mt6397-core

Will it be merged on rc-cycle?

I ask because i see it only in mfd-next but not in fixes/torvalds-master

Regards Frank

Am 16. Oktober 2019 11:53:38 MESZ schrieb Lee Jones <[email protected]>:
>On Thu, 03 Oct 2019, Frank Wunderlich wrote:
>
>> Part 3 from this series [1] was not merged due to wrong splitting
>> and breaks mt6323 pmic on bananapi-r2
>>
>> dmesg prints this line and at least switch is not initialized on
>bananapi-r2
>>
>> mt6397 1000d000.pwrap:mt6323: unsupported chip: 0x0
>>
>> this patch contains only the probe-changes and chip_data structs
>> from original part 3 by Hsin-Hsiung Wang
>>
>> Fixes: a4872e80ce7d2a1844328176dbf279d0a2b89bdb mfd: mt6397: Extract
>IRQ related code from core driver
>
>I've fixed this line to use the standard formatting.
>
>> [1]
>https://patchwork.kernel.org/project/linux-mediatek/list/?series=164155
>>
>> Signed-off-by: Frank Wunderlich <[email protected]>
>> ---
>> drivers/mfd/mt6397-core.c | 64
>++++++++++++++++++++++++---------------
>> 1 file changed, 40 insertions(+), 24 deletions(-)
>
>Applied, thanks.
>
>--
>Lee Jones [李琼斯]
>Linaro Services Technical Lead
>Linaro.org │ Open source software for ARM SoCs
>Follow Linaro: Facebook | Twitter | Blog
>
>_______________________________________________
>Linux-mediatek mailing list
>[email protected]
>http://lists.infradead.org/mailman/listinfo/linux-mediatek

2019-10-24 22:59:16

by Lee Jones

[permalink] [raw]
Subject: Re: [PATCH] mfd: mt6397: fix probe after changing mt6397-core

On Tue, 22 Oct 2019, Frank Wunderlich wrote:

> Will it be merged on rc-cycle?
>
> I ask because i see it only in mfd-next but not in fixes/torvalds-master

It's been sent to Linus for the -rcs.

--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog