From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: balbi@kernel.org
Cc: peter.chen@nxp.com, willmcvicker@google.com,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
stable <stable@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: [PATCH v2 3/5] USB: gadget: f_midi: setup SuperSpeed Plus descriptors
Date: Fri, 27 Nov 2020 15:05:57 +0100 [thread overview]
Message-ID: <20201127140559.381351-4-gregkh@linuxfoundation.org> (raw)
In-Reply-To: <20201127140559.381351-1-gregkh@linuxfoundation.org>
From: Will McVicker <willmcvicker@google.com>
Needed for SuperSpeed Plus support for f_midi. This allows the
gadget to work properly without crashing at SuperSpeed rates.
Cc: Felipe Balbi <balbi@kernel.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Will McVicker <willmcvicker@google.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/f_midi.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 85cb15734aa8..974a2d931c3b 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -1048,6 +1048,12 @@ static int f_midi_bind(struct usb_configuration *c, struct usb_function *f)
f->ss_descriptors = usb_copy_descriptors(midi_function);
if (!f->ss_descriptors)
goto fail_f_midi;
+
+ if (gadget_is_superspeed_plus(c->cdev->gadget)) {
+ f->ssp_descriptors = usb_copy_descriptors(midi_function);
+ if (!f->ssp_descriptors)
+ goto fail_f_midi;
+ }
}
kfree(midi_function);
--
2.29.2
next prev parent reply other threads:[~2020-11-27 14:06 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-27 14:05 [PATCH v2 0/5] USB: Gadget SuperSpeed fixes and a cleanup Greg Kroah-Hartman
2020-11-27 14:05 ` [PATCH v2 1/5] USB: gadget: f_rndis: fix bitrate for SuperSpeed and above Greg Kroah-Hartman
2020-11-30 6:24 ` Peter Chen
2020-11-30 18:33 ` William Mcvicker
2020-12-01 8:48 ` Peter Chen
2020-11-27 14:05 ` [PATCH v2 2/5] USB: gadget: f_acm: add support for SuperSpeed Plus Greg Kroah-Hartman
2020-11-27 14:05 ` Greg Kroah-Hartman [this message]
2020-11-27 14:05 ` [PATCH v2 4/5] USB: gadget: f_fs: add SuperSpeed Plus support Greg Kroah-Hartman
2020-11-30 9:13 ` Jack Pham
[not found] ` <20201201023149.GA11393@b29397-desktop>
2020-12-10 15:12 ` Greg Kroah-Hartman
2020-11-27 14:05 ` [PATCH v2 5/5] USB: gadget: f_fs: remove likely/unlikely Greg Kroah-Hartman
2020-11-30 6:09 ` Peter Chen
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