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[83.28.41.52]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b734fdac50csm389739166b.61.2025.11.14.06.06.12 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Fri, 14 Nov 2025 06:06:13 -0800 (PST) Date: Fri, 14 Nov 2025 15:06:08 +0100 From: Michal Pecio To: Mathias Nyman Cc: Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] usb: xhci-pci: Clean up xhci_pci_setup() Message-ID: <20251114150608.7829fd51.michal.pecio@gmail.com> In-Reply-To: <21741b98-4844-4218-8bd9-10b8bf5cd869@linux.intel.com> References: <20251008082055.5646dadc.michal.pecio@gmail.com> <20251008130532.49922d58.michal.pecio@gmail.com> <20251008223406.13f16f19.michal.pecio@gmail.com> <20251009131444.2c221922.michal.pecio@gmail.com> <90c03eeb-3913-4968-88c0-0de09023a2b5@linux.intel.com> <20251009152703.72e780b4.michal.pecio@gmail.com> <20251013092250.699bf60f.michal.pecio@gmail.com> <21741b98-4844-4218-8bd9-10b8bf5cd869@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This function will be called again when/if the shared HCD is added. Little to do in this case, so handle it right at the beginning and forget about it later. Don't bother passing xhci_pci_quirks for the shared HCD, because quirks are detected in the first run. Organize the rest so that xhci properties are assigned and visible before any core initialization begins. Signed-off-by: Michal Pecio --- I forgot about this patch, here it is rebased on the final fix which went into mainline a few weeks ago. drivers/usb/host/xhci-pci.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index d292adc65e5a..6e704d684bcb 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -568,7 +568,7 @@ static void xhci_pme_acpi_rtd3_enable(struct pci_dev *d= ev) { } static void xhci_find_lpm_incapable_ports(struct usb_hcd *hcd, struct usb_= device *hdev) { } #endif /* CONFIG_ACPI */ =20 -/* called during probe() after chip reset completes */ +/* called during probe() after chip reset completes and again on the share= d HCD */ static int xhci_pci_setup(struct usb_hcd *hcd) { struct xhci_hcd *xhci; @@ -576,20 +576,20 @@ static int xhci_pci_setup(struct usb_hcd *hcd) int retval; u8 sbrn; =20 + /* nothing PCI-specific for the shared HCD, just core setup and no quirks= */ + if (!usb_hcd_is_primary_hcd(hcd)) + return xhci_gen_setup(hcd, NULL); + xhci =3D hcd_to_xhci(hcd); =20 /* imod_interval is the interrupt moderation value in nanoseconds. */ xhci->imod_interval =3D 40000; + xhci->allow_single_roothub =3D 1; =20 retval =3D xhci_gen_setup(hcd, xhci_pci_quirks); if (retval) return retval; =20 - if (!usb_hcd_is_primary_hcd(hcd)) - return 0; - - xhci->allow_single_roothub =3D 1; - if (xhci->quirks & XHCI_PME_STUCK_QUIRK) xhci_pme_acpi_rtd3_enable(pdev); =20 --=20 2.48.1