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

Randy Li
2016-12-29T10:25:22Z

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@soulik.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,
>>>> },
>>>> };
>>>>
>>>>
>>>
>>> --
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>>>
>>> .
>>>
>>
>>
>>
>>
>
>

--
Randy Li
The third produce department
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