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From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Mathias Nyman <mathias.nyman@linux.intel.com>
Subject: [PATCH 5/9] usb: host: xhci-plat: omit shared hcd if either root hub has no ports
Date: Thu, 12 May 2022 01:04:46 +0300	[thread overview]
Message-ID: <20220511220450.85367-6-mathias.nyman@linux.intel.com> (raw)
In-Reply-To: <20220511220450.85367-1-mathias.nyman@linux.intel.com>

From: Heiner Kallweit <hkallweit1@gmail.com>

Activate the just added extension for xhci-plat and omit the shared
hcd if either of the root hubs has no ports.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
---
 drivers/usb/host/xhci-plat.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index c512ec2148ae..044855818cb1 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -245,6 +245,8 @@ static int xhci_plat_probe(struct platform_device *pdev)
 
 	xhci = hcd_to_xhci(hcd);
 
+	xhci->allow_single_roothub = 1;
+
 	/*
 	 * Not all platforms have clks so it is not an error if the
 	 * clock do not exist.
-- 
2.25.1


  parent reply	other threads:[~2022-05-11 22:03 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-11 22:04 [PATCH 0/9] xhci features for usb-next Mathias Nyman
2022-05-11 22:04 ` [PATCH 1/9] xhci: factor out parts of xhci_gen_setup() Mathias Nyman
2022-05-11 22:04 ` [PATCH 2/9] xhci: prepare for operation w/o shared hcd Mathias Nyman
2022-05-11 22:04 ` [PATCH 3/9] usb: host: xhci-plat: create shared hcd after having added main hcd Mathias Nyman
2022-05-11 22:04 ` [PATCH 4/9] usb: host: xhci-plat: prepare operation w/o shared hcd Mathias Nyman
2022-05-11 22:04 ` Mathias Nyman [this message]
2022-05-11 22:04 ` [PATCH 6/9] xhci: use generic command timer for stop endpoint commands Mathias Nyman
2022-05-11 22:04 ` [PATCH 7/9] xhci: prevent U2 link power state if Intel tier policy prevented U1 Mathias Nyman
2022-05-11 22:04 ` [PATCH 8/9] xhci: Remove quirk for over 10 year old evaluation hardware Mathias Nyman
2022-05-11 22:04 ` [PATCH 9/9] xhci: Allow host runtime PM as default for Intel Alder Lake N xHCI Mathias Nyman

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