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From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Thinh.Nguyen@synopsys.com, linux-usb@vger.kernel.org,
	chenqiwu <chenqiwu@xiaomi.com>,
	Alan Stern <stern@rowland.harvard.edu>,
	Rikard Falkeborn <rikard.falkeborn@gmail.com>,
	Zeng Tao <prime.zeng@hisilicon.com>
Subject: [RFC PATCH 4/8] usb: core: sysfs: Check for SSP rate in speed attr
Date: Mon, 01 Feb 2021 19:42:39 -0800	[thread overview]
Message-ID: <6e416aa293fb10160767f0086daa842739c0e7de.1612237179.git.Thinh.Nguyen@synopsys.com> (raw)
In-Reply-To: <cover.1612237179.git.Thinh.Nguyen@synopsys.com>

Check for usb_device->ssp_rate to output the signaling rate for genXxY.

Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
---
 drivers/usb/core/sysfs.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index d85699bee671..5a168ba9fc51 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -167,7 +167,10 @@ static ssize_t speed_show(struct device *dev, struct device_attribute *attr,
 		speed = "5000";
 		break;
 	case USB_SPEED_SUPER_PLUS:
-		speed = "10000";
+		if (udev->ssp_rate == USB_SSP_GEN_2x2)
+			speed = "20000";
+		else
+			speed = "10000";
 		break;
 	default:
 		speed = "unknown";
-- 
2.28.0


  parent reply	other threads:[~2021-02-02  3:43 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-02  3:42 [RFC PATCH 0/8] usb: Check for genXxY on host Thinh Nguyen
2021-02-02  3:42 ` [RFC PATCH 1/8] usb: core: Track SuperSpeed Plus GenXxY Thinh Nguyen
     [not found]   ` <3b486e82-fa5d-f39e-069e-7bae4424cb86@embeddedor.com>
2021-02-02  3:58     ` Thinh Nguyen
     [not found]       ` <e2d540a1-6bd5-da39-fa79-5e69f2279a5a@embeddedor.com>
2021-02-02  4:12         ` Thinh Nguyen
2021-02-02  3:42 ` [RFC PATCH 2/8] usb: core: hub: Remove port_speed_is_ssp() Thinh Nguyen
2021-02-02  3:42 ` [RFC PATCH 3/8] usb: core: hub: Print speed name based on ssp rate Thinh Nguyen
2021-02-02  3:42 ` Thinh Nguyen [this message]
2021-02-02  3:42 ` [RFC PATCH 5/8] usb: xhci: Init root hub SSP rate Thinh Nguyen
2021-02-02  3:42 ` [RFC PATCH 6/8] usb: xhci: Fix port minor revision Thinh Nguyen
2021-02-02  9:04   ` Sergei Shtylyov
2021-02-03  1:16     ` Thinh Nguyen
2021-02-04 10:16       ` David Laight
2021-02-05  1:31         ` Thinh Nguyen
2021-02-05  3:30           ` Thinh Nguyen
2021-02-02  3:42 ` [RFC PATCH 7/8] usb: xhci: Rewrite xhci_create_usb3_bos_desc() Thinh Nguyen
2021-02-02 12:26   ` Mathias Nyman
2021-02-03  1:20     ` Thinh Nguyen
2021-02-02  3:43 ` [RFC PATCH 8/8] usb: xhci: Remove unused function Thinh Nguyen

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