netdev - Re: [PATCH] PCI: Remove pci_try_set

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Message-ID: <20201209092224.GU4801@dell>
Date:   Wed, 9 Dec 2020 09:22:24 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Heiner Kallweit <hkallweit1@...il.com>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Jonathan Corbet <corbet@....net>, Jens Axboe <axboe@...nel.dk>,
        Viresh Kumar <vireshk@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Vinod Koul <vkoul@...nel.org>,
        David Miller <davem@...emloft.net>,
        Ion Badulescu <ionut@...ula.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Lino Sanfilippo <LinoSanfilippo@....de>,
        Christian Lamparter <chunkeey@...glemail.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Adam Radford <aradford@...il.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        James Smart <james.smart@...adcom.com>,
        Dick Kennedy <dick.kennedy@...adcom.com>,
        Nilesh Javali <njavali@...vell.com>,
        GR-QLogic-Storage-Upstream@...vell.com,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Peter Chen <Peter.Chen@....com>,
        Felipe Balbi <balbi@...nel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        linux-doc@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-ide@...r.kernel.org, dmaengine@...r.kernel.org,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        linux-parisc@...r.kernel.org,
        linux-wireless <linux-wireless@...r.kernel.org>,
        SCSI development list <linux-scsi@...r.kernel.org>,
        linux-serial@...r.kernel.org,
        Linux USB Mailing List <linux-usb@...r.kernel.org>
Subject: Re: [PATCH] PCI: Remove pci_try_set_mwi

On Wed, 09 Dec 2020, Heiner Kallweit wrote:

> pci_set_mwi() and pci_try_set_mwi() do exactly the same, just that the
> former one is declared as __must_check. However also some callers of
> pci_set_mwi() have a comment that it's an optional feature. I don't
> think there's much sense in this separation and the use of
> __must_check. Therefore remove pci_try_set_mwi() and remove the
> __must_check attribute from pci_set_mwi().
> I don't expect either function to be used in new code anyway.
> 
> Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
> ---
> patch applies on top of pci/misc for v5.11
> ---
>  Documentation/PCI/pci.rst                     |  5 +----
>  drivers/ata/pata_cs5530.c                     |  2 +-
>  drivers/ata/sata_mv.c                         |  2 +-
>  drivers/dma/dw/pci.c                          |  2 +-
>  drivers/dma/hsu/pci.c                         |  2 +-
>  drivers/ide/cs5530.c                          |  2 +-

>  drivers/mfd/intel-lpss-pci.c                  |  2 +-

Acked-by: Lee Jones <lee.jones@...aro.org>

>  drivers/net/ethernet/adaptec/starfire.c       |  2 +-
>  drivers/net/ethernet/alacritech/slicoss.c     |  2 +-
>  drivers/net/ethernet/dec/tulip/tulip_core.c   |  5 +----
>  drivers/net/ethernet/sun/cassini.c            |  4 ++--
>  drivers/net/wireless/intersil/p54/p54pci.c    |  2 +-
>  .../intersil/prism54/islpci_hotplug.c         |  3 +--
>  .../wireless/realtek/rtl818x/rtl8180/dev.c    |  2 +-
>  drivers/pci/pci.c                             | 19 -------------------
>  drivers/scsi/3w-9xxx.c                        |  4 ++--
>  drivers/scsi/3w-sas.c                         |  4 ++--
>  drivers/scsi/csiostor/csio_init.c             |  2 +-
>  drivers/scsi/lpfc/lpfc_init.c                 |  2 +-
>  drivers/scsi/qla2xxx/qla_init.c               |  8 ++++----
>  drivers/scsi/qla2xxx/qla_mr.c                 |  2 +-
>  drivers/tty/serial/8250/8250_lpss.c           |  2 +-
>  drivers/usb/chipidea/ci_hdrc_pci.c            |  2 +-
>  drivers/usb/gadget/udc/amd5536udc_pci.c       |  2 +-
>  drivers/usb/gadget/udc/net2280.c              |  2 +-
>  drivers/usb/gadget/udc/pch_udc.c              |  2 +-
>  include/linux/pci.h                           |  5 ++---
>  27 files changed, 33 insertions(+), 60 deletions(-)

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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