From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Esther Shimanovich <eshimanovich@chromium.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
Rajat Jain <rajatja@google.com>
Subject: Re: [PATCH v4] PCI: Relabel JHL6540 on Lenovo X1 Carbon 7,8
Date: Thu, 21 Dec 2023 15:15:50 -0800 [thread overview]
Message-ID: <ZYTHJtn52MseDbr_@google.com> (raw)
In-Reply-To: <20231221-thunderbolt-pci-patch-4-v4-1-2e136e57c9bc@chromium.org>
On Thu, Dec 21, 2023 at 03:53:42PM -0500, Esther Shimanovich wrote:
> +static void carbon_X1_fixup_relabel_alpine_ridge(struct pci_dev *dev)
> +{
> + /* Is this JHL6540 PCI component embedded in a Lenovo device? */
> + if (dev->subsystem_vendor != PCI_VENDOR_ID_LENOVO)
> + return;
> +
> + /* Is this JHL6540 PCI component embedded in an X1 Carbon Gen 7/8? */
> + if (dev->subsystem_device != 0x22be && // Gen 8
> + dev->subsystem_device != 0x2292) { // Gen 7
> + return;
> + }
> +
> + dev_set_removable(&dev->dev, DEVICE_FIXED);
> +
> + /* Not all 0x15d3 components are external facing */
> + if (dev->device == 0x15d3 &&
> + dev->devfn != 0x08 &&
> + dev->devfn != 0x20) {
> + return;
> + }
> +
> + dev->external_facing = true;
> +}
> +
> +/*
> + * We also need to relabel the root port as a consequence of changing
> + * the JHL6540's PCIE hierarchy.
> + */
> +static void carbon_X1_fixup_rootport_not_removable(struct pci_dev *dev)
> +{
> + /* Is this JHL6540 PCI component embedded in a Lenovo device? */
> + if (dev->subsystem_vendor != PCI_VENDOR_ID_LENOVO)
> + return;
> +
> + /* Is this JHL6540 PCI component embedded in an X1 Carbon Gen 7/8? */
> + if (dev->subsystem_device != 0x22be && // Gen 8
> + dev->subsystem_device != 0x2292) { // Gen 7
> + return;
> + }
This ventures into the realm of nitpicking, but this can be factored out
into a helper.
I'll shut up now and let PCI folks handle this.
Thanks.
--
Dmitry
next prev parent reply other threads:[~2023-12-21 23:15 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-21 20:53 [PATCH v4] PCI: Relabel JHL6540 on Lenovo X1 Carbon 7,8 Esther Shimanovich
2023-12-21 23:15 ` Dmitry Torokhov [this message]
2023-12-27 0:15 ` Bjorn Helgaas
2023-12-28 13:25 ` Lukas Wunner
2023-12-28 13:39 ` Mika Westerberg
2024-01-17 21:21 ` Esther Shimanovich
2024-01-18 6:00 ` Mika Westerberg
2024-01-18 15:47 ` Mario Limonciello
2024-01-18 16:12 ` Dmitry Torokhov
2024-01-18 16:21 ` Dmitry Torokhov
2024-01-19 5:37 ` Mika Westerberg
2024-01-19 7:48 ` Mika Westerberg
2024-01-19 10:22 ` Mika Westerberg
2024-01-19 16:03 ` Esther Shimanovich
2024-01-22 6:10 ` Mika Westerberg
2024-01-22 23:50 ` Mario Limonciello
2024-01-23 6:18 ` Mika Westerberg
2024-01-25 23:45 ` Esther Shimanovich
2024-04-15 22:34 ` Esther Shimanovich
2024-04-16 5:03 ` Mika Westerberg
2024-04-18 19:43 ` Esther Shimanovich
2024-04-19 4:49 ` Mika Westerberg
2024-04-22 19:17 ` Esther Shimanovich
2024-04-22 19:21 ` Mario Limonciello
2024-04-23 5:33 ` Mika Westerberg
2024-04-23 8:31 ` Lukas Wunner
2024-04-23 8:40 ` Mika Westerberg
2024-04-23 16:59 ` Mario Limonciello
2024-04-24 8:56 ` Mika Westerberg
2024-04-25 21:16 ` Esther Shimanovich
2024-04-26 4:52 ` Mika Westerberg
2024-04-26 15:58 ` Esther Shimanovich
2024-04-27 5:35 ` Lukas Wunner
2024-04-27 7:41 ` Mika Westerberg
2024-04-27 7:08 ` Lukas Wunner
2024-04-27 15:09 ` Lukas Wunner
2024-05-01 22:23 ` Esther Shimanovich
2024-05-02 4:38 ` Mika Westerberg
2024-05-02 9:54 ` Mario Limonciello
2024-05-02 10:07 ` Mika Westerberg
2024-05-08 5:14 ` Lukas Wunner
2024-05-10 5:26 ` Mika Westerberg
2024-05-10 15:44 ` Esther Shimanovich
2024-05-11 4:38 ` Mika Westerberg
2024-05-11 5:43 ` Mika Westerberg
2024-05-15 18:53 ` Esther Shimanovich
2024-05-15 20:35 ` Lukas Wunner
2024-05-15 20:51 ` Lukas Wunner
2024-05-15 21:44 ` Esther Shimanovich
2024-05-16 8:30 ` Mika Westerberg
2024-05-16 10:03 ` Mika Westerberg
2024-05-16 9:16 ` Mika Westerberg
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