linux-kernel - Re: [PATCH] Revert "mmc: dw_mmc-rockchip: add runtime PM support"

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Message-ID: <04b667d9-2591-51ff-e024-047bbb6e17c3@rock-chips.com>
Date:   Thu, 29 Dec 2016 18:25:22 +0800
From:   Randy Li <randy.li@...k-chips.com>
To:     Shawn Lin <shawn.lin@...k-chips.com>, linux-mmc@...r.kernel.org
Cc:     Jaehoon Chung <jh80.chung@...sung.com>,
        Randy Li <ayaka@...lik.info>, ulf.hansson@...aro.org,
        heiko@...ech.de, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, xzy.xu@...k-chips.com
Subject: Re: [PATCH] Revert "mmc: dw_mmc-rockchip: add runtime PM support"



On 12/29/2016 03:25 PM, Shawn Lin wrote:
> On 2016/12/29 15:13, Jaehoon Chung wrote:
>> On 12/29/2016 12:02 PM, Jaehoon Chung wrote:
>>> Hi Randy,
>>>
>>> On 12/29/2016 12:34 AM, Randy Li wrote:
>>>> This reverts commit f90142683f04bcb0729bf0df67a5e29562b725b9.
>>>> It is reported that making RK3288 can't boot from eMMC/MMC.
>>>
>>> Could you explain in more detail?
>>> As you mentioned, this patch is making that RK3288 can't boot..then why?
>>> Good way should be that finds the main reason and fixes it.
>>> Not just revert.
>>
>> To Shawn,
>>
>> Could you check this? If you have rk3288..
>> If it's not working fine, it needs to revert this patch until finding
>> the problem.
>>
>
> Hrmm.....as that patchset was tested based on rk3288 and rk3368, so I
> need to know which board Randy are using now and could you share some
Sorry, XZY has asked me about this in the morning and I answer him that 
I would give a feedback at home, so I didn't notice this mail.
The board is Firefly reload. but the reporter told me that Firefly 
release also have the same problem.
> log?
>
> I will have a look at it.
>
>
>> Best Regards,
>> Jaehoon Chung
>>
>>>
>>> Best Regards,
>>> Jaehoon Chung
>>>
>>>>
>>>> Signed-off-by: Randy Li <ayaka@...lik.info>
>>>> ---
>>>>  drivers/mmc/host/dw_mmc-rockchip.c | 41
>>>> +++-----------------------------------
>>>>  1 file changed, 3 insertions(+), 38 deletions(-)
>>>>
>>>> diff --git a/drivers/mmc/host/dw_mmc-rockchip.c
>>>> b/drivers/mmc/host/dw_mmc-rockchip.c
>>>> index 9a46e46..3189234 100644
>>>> --- a/drivers/mmc/host/dw_mmc-rockchip.c
>>>> +++ b/drivers/mmc/host/dw_mmc-rockchip.c
>>>> @@ -14,7 +14,6 @@
>>>>  #include <linux/mmc/dw_mmc.h>
>>>>  #include <linux/of_address.h>
>>>>  #include <linux/mmc/slot-gpio.h>
>>>> -#include <linux/pm_runtime.h>
>>>>  #include <linux/slab.h>
>>>>
>>>>  #include "dw_mmc.h"
>>>> @@ -327,7 +326,6 @@ static int dw_mci_rockchip_probe(struct
>>>> platform_device *pdev)
>>>>  {
>>>>      const struct dw_mci_drv_data *drv_data;
>>>>      const struct of_device_id *match;
>>>> -    int ret;
>>>>
>>>>      if (!pdev->dev.of_node)
>>>>          return -ENODEV;
>>>> @@ -335,49 +333,16 @@ static int dw_mci_rockchip_probe(struct
>>>> platform_device *pdev)
>>>>      match = of_match_node(dw_mci_rockchip_match, pdev->dev.of_node);
>>>>      drv_data = match->data;
>>>>
>>>> -    pm_runtime_get_noresume(&pdev->dev);
>>>> -    pm_runtime_set_active(&pdev->dev);
>>>> -    pm_runtime_enable(&pdev->dev);
>>>> -    pm_runtime_set_autosuspend_delay(&pdev->dev, 50);
>>>> -    pm_runtime_use_autosuspend(&pdev->dev);
>>>> -
>>>> -    ret = dw_mci_pltfm_register(pdev, drv_data);
>>>> -    if (ret) {
>>>> -        pm_runtime_disable(&pdev->dev);
>>>> -        pm_runtime_set_suspended(&pdev->dev);
>>>> -        pm_runtime_put_noidle(&pdev->dev);
>>>> -        return ret;
>>>> -    }
>>>> -
>>>> -    pm_runtime_put_autosuspend(&pdev->dev);
>>>> -
>>>> -    return 0;
>>>> +    return dw_mci_pltfm_register(pdev, drv_data);
>>>>  }
>>>>
>>>> -static int dw_mci_rockchip_remove(struct platform_device *pdev)
>>>> -{
>>>> -    pm_runtime_get_sync(&pdev->dev);
>>>> -    pm_runtime_disable(&pdev->dev);
>>>> -    pm_runtime_put_noidle(&pdev->dev);
>>>> -
>>>> -    return dw_mci_pltfm_remove(pdev);
>>>> -}
>>>> -
>>>> -static const struct dev_pm_ops dw_mci_rockchip_dev_pm_ops = {
>>>> -    SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
>>>> -                pm_runtime_force_resume)
>>>> -    SET_RUNTIME_PM_OPS(dw_mci_runtime_suspend,
>>>> -               dw_mci_runtime_resume,
>>>> -               NULL)
>>>> -};
>>>> -
>>>>  static struct platform_driver dw_mci_rockchip_pltfm_driver = {
>>>>      .probe        = dw_mci_rockchip_probe,
>>>> -    .remove        = dw_mci_rockchip_remove,
>>>> +    .remove        = dw_mci_pltfm_remove,
>>>>      .driver        = {
>>>>          .name        = "dwmmc_rockchip",
>>>>          .of_match_table    = dw_mci_rockchip_match,
>>>> -        .pm        = &dw_mci_rockchip_dev_pm_ops,
>>>> +        .pm        = &dw_mci_pltfm_pmops,
>>>>      },
>>>>  };
>>>>
>>>>
>>>
>>> --
>>> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
>>> the body of a message to majordomo@...r.kernel.org
>>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>>
>>> .
>>>
>>
>>
>>
>>
>
>

-- 
Randy Li
The third produce department
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