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From: Lukas Wunner <lukas@wunner.de>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Wolfram Sang <wsa@kernel.org>, Jean Delvare <jdelvare@suse.de>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Lee Jones <lee.jones@linaro.org>,
	Hans de Goede <hdegoede@redhat.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Tan Jui Nee <jui.nee.tan@intel.com>, Kate Hsuan <hpa@redhat.com>,
	Jonathan Yong <jonathan.yong@intel.com>,
	linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org,
	linux-i2c@vger.kernel.org, linux-gpio@vger.kernel.org,
	platform-driver-x86@vger.kernel.org,
	Borislav Petkov <bp@alien8.de>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Tony Luck <tony.luck@intel.com>,
	James Morse <james.morse@arm.com>,
	Robert Richter <rric@kernel.org>,
	Peter Tyser <ptyser@xes-inc.com>,
	Mika Westerberg <mika.westerberg@linux.intel.com>,
	Mark Gross <markgross@kernel.org>,
	Henning Schild <henning.schild@siemens.com>
Subject: Re: [PATCH v4 1/8] platform/x86/intel: Add Primary to Sideband (P2SB) bridge support
Date: Sun, 8 May 2022 12:50:47 +0200	[thread overview]
Message-ID: <20220508105047.GA28082@wunner.de> (raw)
In-Reply-To: <CAHp75Vfy3Z0+YmPucL=xbP9tiSL6jM34mJ5-fK=og91eEzq5hw@mail.gmail.com>

On Sun, May 08, 2022 at 12:05:53PM +0200, Andy Shevchenko wrote:
> On Sun, May 8, 2022 at 9:13 AM Lukas Wunner <lukas@wunner.de> wrote:
> > pci_lock_rescan_remove() prevents concurrent unhiding as well as
> > removal via sysfs.
> 
> Yep, that's good. In any case this piece of code will be gone if your
> above suggestion works, have I got it right?

Yes.  You just need to make sure that you call pci_scan_single_device()
*after* unhiding the P2SB device so that this check succeeds:

  pci_scan_single_device()
    pci_scan_device()
      pci_bus_read_dev_vendor_id()

Thanks,

Lukas

  reply	other threads:[~2022-05-08 10:50 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-31 15:13 [PATCH v4 0/8] platform/x86: introduce p2sb_bar() helper Andy Shevchenko
2022-01-31 15:13 ` [PATCH v4 1/8] platform/x86/intel: Add Primary to Sideband (P2SB) bridge support Andy Shevchenko
2022-02-14 11:26   ` Hans de Goede
2022-05-05 14:55   ` Lukas Wunner
2022-05-05 17:54     ` Andy Shevchenko
2022-05-08  7:13       ` Lukas Wunner
2022-05-08 10:05         ` Andy Shevchenko
2022-05-08 10:50           ` Lukas Wunner [this message]
2022-01-31 15:13 ` [PATCH v4 2/8] pinctrl: intel: Check against matching data instead of ACPI companion Andy Shevchenko
2022-01-31 15:13 ` [PATCH v4 3/8] mfd: lpc_ich: Factor out lpc_ich_enable_spi_write() Andy Shevchenko
2022-01-31 15:13 ` [PATCH v4 4/8] mfd: lpc_ich: Switch to generic p2sb_bar() Andy Shevchenko
2022-01-31 15:13 ` [PATCH v4 5/8] mfd: lpc_ich: Add support for pinctrl in non-ACPI system Andy Shevchenko
2022-02-15 16:54   ` Lee Jones
2022-02-15 17:11     ` Andy Shevchenko
2022-02-15 17:29       ` Lee Jones
2022-05-02 16:14         ` Andy Shevchenko
2022-05-04 12:52         ` Andy Shevchenko
2022-03-07 18:21   ` Henning Schild
2022-03-07 19:03     ` Andy Shevchenko
2022-01-31 15:13 ` [PATCH v4 6/8] i2c: i801: convert to use common P2SB accessor Andy Shevchenko
2022-02-03 14:14   ` Jean Delvare
2022-02-07 12:11   ` Wolfram Sang
2022-01-31 15:13 ` [PATCH v4 7/8] EDAC, pnd2: Use proper I/O accessors and address space annotation Andy Shevchenko
2022-01-31 15:13 ` [PATCH v4 8/8] EDAC, pnd2: convert to use common P2SB accessor Andy Shevchenko
2022-03-07 17:27 ` [PATCH v4 0/8] platform/x86: introduce p2sb_bar() helper Henning Schild
2022-03-08 19:35 ` [PATCH 0/2] simatic-ipc additions to p2sb apl lake gpio Henning Schild
2022-03-08 19:35   ` [PATCH 1/2] simatic-ipc: convert to use common P2SB accessor Henning Schild
2022-03-08 20:09     ` Henning Schild
2022-03-08 19:35   ` [PATCH 2/2] leds: simatic-ipc-leds-gpio: add GPIO version of Siemens driver Henning Schild
2022-05-04 12:51   ` [PATCH 0/2] simatic-ipc additions to p2sb apl lake gpio Andy Shevchenko
2022-05-04 15:19     ` Henning Schild
2022-05-04 16:36       ` Andy Shevchenko
2022-05-05 21:57       ` Guenter Roeck
2022-05-10 15:30       ` Henning Schild
2022-05-10 16:05         ` Andy Shevchenko
2022-03-08 19:50 ` [PATCH v4 0/8] platform/x86: introduce p2sb_bar() helper Henning Schild
2022-05-04 12:42   ` Andy Shevchenko
2022-05-04 15:10     ` Henning Schild
2022-05-04 15:55       ` Andy Shevchenko
2022-05-07 10:33         ` Andy Shevchenko

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