Re: [PATCH v3,0/4] drivers: uio: new driver uio_fsl_85xx_cache_sram

王文虎 wenhu.wang at vivo.com
Thu Apr 16 21:14:04 AEST 2020


Hi, 
From: Christophe Leroy <christophe.leroy at c-s.fr>
 Date: 2020-04-16 18:36:38
To:"王文虎" <wenhu.wang at vivo.com>
 cc: gregkh at linuxfoundation.org,linux-kernel at vger.kernel.org,oss at buserror.net,linuxppc-dev at lists.ozlabs.org,kernel at vivo.com
Subject: Re: [PATCH v3,0/4] drivers: uio: new driver uio_fsl_85xx_cache_sram>
>
>Le 16/04/2020 à 11:29, 王文虎 a écrit :
>> Hi,
>> Seems there is something wrong with the server that multiple dumplications
>> of the v3 patches were sent out, please ignore the rest and take this newest
>> series as formal count.
>
>Which series ?
>
>It seems you sent 3 times, at 9:29, 9:41 and 9:49 (Paris Time)
>
> From the series of 9:29, I received patches 0 to 3
> From the series of 9:41, I received patches 0 to 3
> From the series of 9:49, I received patches 0 and 4.
>
>Looks like powerpc patchwork 
>(https://patchwork.ozlabs.org/project/linuxppc-dev/list/?submitter=78320) 
>got:
> From the series of 9:29, I received patches 0 to 4
> From the series of 9:41, I received patches 1 to 4
> From the series of 9:49, I received patches 1 to 4
>
>So this seems to be something wrong somewhere.
>
>Christophe
>

Hi Christophe,
Sorry again, and I don't know which best fit you all. I guess a RESEND tag might help.
So I will send another series with RESEND tag, please just drop all this three.

Hope that relly won't trouble you yelling, and hope the mail server would work well.

Thanks,
Wenhu
>> 
>> From: Wang Wenhu <wenhu.wang at vivo.com>
>> Date: 2020-04-16 15:49:14
>> To:  gregkh at linuxfoundation.org,linux-kernel at vger.kernel.org,oss at buserror.net,christophe.leroy at c-s.fr,linuxppc-dev at lists.ozlabs.org
>> Cc:  kernel at vivo.com,Wang Wenhu <wenhu.wang at vivo.com>
>> Subject: [PATCH v3,0/4] drivers: uio: new driver uio_fsl_85xx_cache_sram>This series add a new uio driver for freescale 85xx platforms to
>>> access the Cache-Sram form user level. This is extremely helpful
>>> for the user-space applications that require high performance memory
>>> accesses.
>>>
>>> It fixes the compile errors and warning of the hardware level drivers
>>> and implements the uio driver in uio_fsl_85xx_cache_sram.c.
>>>
>>> Changes since v1:
>>> * Addressed comments from Greg K-H
>>> * Moved kfree(info->name) into uio_info_free_internal()
>>>
>>> Changes since v2:
>>> * Drop the patch that modifies Kconfigs of arch/powerpc/platforms
>>>    and modified the sequence of patches:
>>>     01:dropped, 02->03, 03->02, 04->01, 05->04
>>> * Addressed comments from Greg, Scott and Christophe
>>> * Use "uiomem->internal_addr" as if condition for sram memory free,
>>>    and memset the uiomem entry
>>> * Modified of_match_table make the driver apart from Cache-Sram HW info
>>>    which belong to the HW level driver fsl_85xx_cache_sram to match
>>> * Use roundup_pow_of_two for align calc(really learned a lot from Christophe)
>>> * Remove useless clear block of uiomem entries.
>>> * Use UIO_INFO_VER micro for info->version, and define it as
>>>    "devicetree,pseudo", meaning this is pseudo device and probed from
>>>    device tree configuration
>>> * Select FSL_85XX_CACHE_SRAM rather than depends on it
>>>
>>> Wang Wenhu (4):
>>>   powerpc: sysdev: fix compile error for fsl_85xx_l2ctlr
>>>   powerpc: sysdev: fix compile error for fsl_85xx_cache_sram
>>>   powerpc: sysdev: fix compile warning for fsl_85xx_cache_sram
>>>   drivers: uio: new driver for fsl_85xx_cache_sram
>>>
>>> arch/powerpc/sysdev/fsl_85xx_cache_sram.c |   3 +-
>>> arch/powerpc/sysdev/fsl_85xx_l2ctlr.c     |   1 +
>>> drivers/uio/Kconfig                       |   9 ++
>>> drivers/uio/Makefile                      |   1 +
>>> drivers/uio/uio_fsl_85xx_cache_sram.c     | 158 ++++++++++++++++++++++
>>> 5 files changed, 171 insertions(+), 1 deletion(-)
>>> create mode 100644 drivers/uio/uio_fsl_85xx_cache_sram.c
>>>
>>> -- 
>>> 2.17.1
>>>
>> 
>> 




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