Re: [PATCH V2] dmaengine: qcom_hidma: cleanup sysfs entries during remove

From: Sinan Kaya
Date: Mon Nov 14 2016 - 14:37:21 EST


Hi Vinod,

On 11/13/2016 10:10 PM, Sinan Kaya wrote:
> On 11/13/2016 10:04 PM, Vinod Koul wrote:
>> On Wed, Oct 19, 2016 at 02:42:46PM -0400, Sinan Kaya wrote:
>>> The 4.8-rc8 kernel is printing duplicate file entry warnings while removing
>>> the HIDMA object. This is caused by stale sysfs entries remaining from the
>>> previous execution.
>>>
>>> _sysfs_warn_dup+0x5c/0x78
>>> sysfs_add_file_mode_ns+0x13c/0x1c0
>>> sysfs_create_file_ns+0x2c/0x40
>>> device_create_file+0x54/0xa0
>>> hidma_probe+0x7c8/0x808
>>>
>>> Create hidma_sysfs_init and hidma_sysfs_uninit functions and call them from
>>> the probe and remove path. To do proper clean up, adding the attrs object
>>> to the device data structure to keep it around until remove call is made.
>>
>> This doesnt apply for me, I think due to other patches applied..
>>
>
> OK. Let me rebase.
>

I fetched your topic/qcom branch and applied this patch on top.

This is what I see at this moment.

22f20f5 dmaengine: qcom_hidma: cleanup sysfs entries during remove
8cc12b2 dmaengine: qcom_hidma: hide MSI handler when unused
87ffcea dmaengine: qcom_hidma: remove unneeded of_node_put()
1c0e3e8 dmaengine: qcom_hidma: add MSI support for interrupts

I posted V3 a minute ago with the contents of 22f20f5.

--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.