* [PATCH 1/4] USB: gadget: f_rndis: fix bitrate for SuperSpeed and above
@ 2020-11-26 18:02 Greg Kroah-Hartman
2020-11-26 18:02 ` [PATCH 2/4] USB: gadget: f_acm: add support for SuperSpeed Plus Greg Kroah-Hartman
` (3 more replies)
0 siblings, 4 replies; 6+ messages in thread
From: Greg Kroah-Hartman @ 2020-11-26 18:02 UTC (permalink / raw)
To: balbi
Cc: linux-usb, linux-kernel, Will McVicker, EJ Hsu, Peter Chen,
stable, Greg Kroah-Hartman
From: Will McVicker <willmcvicker@google.com>
Align the SuperSpeed Plus bitrate for f_rndis to match f_ncm's ncm_bitrate
defined by commit 1650113888fe ("usb: gadget: f_ncm: add SuperSpeed descriptors
for CDC NCM").
Cc: Felipe Balbi <balbi@kernel.org>
Cc: EJ Hsu <ejh@nvidia.com>
Cc: Peter Chen <peter.chen@nxp.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Will McVicker <willmcvicker@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/f_rndis.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c
index 9534c8ab62a8..0739b05a0ef7 100644
--- a/drivers/usb/gadget/function/f_rndis.c
+++ b/drivers/usb/gadget/function/f_rndis.c
@@ -87,8 +87,10 @@ static inline struct f_rndis *func_to_rndis(struct usb_function *f)
/* peak (theoretical) bulk transfer rate in bits-per-second */
static unsigned int bitrate(struct usb_gadget *g)
{
+ if (gadget_is_superspeed(g) && g->speed >= USB_SPEED_SUPER_PLUS)
+ return 4250000000U;
if (gadget_is_superspeed(g) && g->speed == USB_SPEED_SUPER)
- return 13 * 1024 * 8 * 1000 * 8;
+ return 3750000000U;
else if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
return 13 * 512 * 8 * 1000 * 8;
else
--
2.29.2
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 2/4] USB: gadget: f_acm: add support for SuperSpeed Plus
2020-11-26 18:02 [PATCH 1/4] USB: gadget: f_rndis: fix bitrate for SuperSpeed and above Greg Kroah-Hartman
@ 2020-11-26 18:02 ` Greg Kroah-Hartman
2020-11-26 18:02 ` [PATCH 3/4] USB: gadget: f_fs: add SuperSpeed Plus support Greg Kroah-Hartman
` (2 subsequent siblings)
3 siblings, 0 replies; 6+ messages in thread
From: Greg Kroah-Hartman @ 2020-11-26 18:02 UTC (permalink / raw)
To: balbi
Cc: linux-usb, linux-kernel, taehyun.cho, stable, Will McVicker,
Greg Kroah-Hartman
From: "taehyun.cho" <taehyun.cho@samsung.com>
Setup the SuperSpeed Plus descriptors for f_acm. 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: taehyun.cho <taehyun.cho@samsung.com>
Signed-off-by: Will McVicker <willmcvicker@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/f_acm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c
index 46647bfac2ef..349945e064bb 100644
--- a/drivers/usb/gadget/function/f_acm.c
+++ b/drivers/usb/gadget/function/f_acm.c
@@ -686,7 +686,7 @@ acm_bind(struct usb_configuration *c, struct usb_function *f)
acm_ss_out_desc.bEndpointAddress = acm_fs_out_desc.bEndpointAddress;
status = usb_assign_descriptors(f, acm_fs_function, acm_hs_function,
- acm_ss_function, NULL);
+ acm_ss_function, acm_ss_function);
if (status)
goto fail;
--
2.29.2
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 3/4] USB: gadget: f_fs: add SuperSpeed Plus support
2020-11-26 18:02 [PATCH 1/4] USB: gadget: f_rndis: fix bitrate for SuperSpeed and above Greg Kroah-Hartman
2020-11-26 18:02 ` [PATCH 2/4] USB: gadget: f_acm: add support for SuperSpeed Plus Greg Kroah-Hartman
@ 2020-11-26 18:02 ` Greg Kroah-Hartman
2020-11-26 18:02 ` [PATCH 4/4] USB: gadget: f_midi: setup SuperSpeed Plus descriptors Greg Kroah-Hartman
2020-11-26 18:10 ` [PATCH 1/4] USB: gadget: f_rndis: fix bitrate for SuperSpeed and above Greg Kroah-Hartman
3 siblings, 0 replies; 6+ messages in thread
From: Greg Kroah-Hartman @ 2020-11-26 18:02 UTC (permalink / raw)
To: balbi
Cc: linux-usb, linux-kernel, taehyun.cho, Peter Chen, stable,
Will McVicker, Greg Kroah-Hartman
From: "taehyun.cho" <taehyun.cho@samsung.com>
Setup the descriptors for SuperSpeed Plus for f_fs. This allows the
gadget to work properly without crashing at SuperSpeed rates.
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Peter Chen <peter.chen@nxp.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: taehyun.cho <taehyun.cho@samsung.com>
Signed-off-by: Will McVicker <willmcvicker@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/f_fs.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 046f770a76da..a34a7c96a1ab 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1327,6 +1327,7 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code,
struct usb_endpoint_descriptor *desc;
switch (epfile->ffs->gadget->speed) {
+ case USB_SPEED_SUPER_PLUS:
case USB_SPEED_SUPER:
desc_idx = 2;
break;
@@ -3222,6 +3223,10 @@ static int _ffs_func_bind(struct usb_configuration *c,
func->function.os_desc_n =
c->cdev->use_os_string ? ffs->interfaces_count : 0;
+ if (likely(super)) {
+ func->function.ssp_descriptors =
+ usb_copy_descriptors(func->function.ss_descriptors);
+ }
/* And we're done */
ffs_event_add(ffs, FUNCTIONFS_BIND);
return 0;
--
2.29.2
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 4/4] USB: gadget: f_midi: setup SuperSpeed Plus descriptors
2020-11-26 18:02 [PATCH 1/4] USB: gadget: f_rndis: fix bitrate for SuperSpeed and above Greg Kroah-Hartman
2020-11-26 18:02 ` [PATCH 2/4] USB: gadget: f_acm: add support for SuperSpeed Plus Greg Kroah-Hartman
2020-11-26 18:02 ` [PATCH 3/4] USB: gadget: f_fs: add SuperSpeed Plus support Greg Kroah-Hartman
@ 2020-11-26 18:02 ` Greg Kroah-Hartman
2020-11-26 18:10 ` [PATCH 1/4] USB: gadget: f_rndis: fix bitrate for SuperSpeed and above Greg Kroah-Hartman
3 siblings, 0 replies; 6+ messages in thread
From: Greg Kroah-Hartman @ 2020-11-26 18:02 UTC (permalink / raw)
To: balbi; +Cc: linux-usb, linux-kernel, Will McVicker, stable, Greg Kroah-Hartman
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/f_midi.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 85cb15734aa8..ceb67651de4f 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -1048,6 +1048,11 @@ 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
^ permalink raw reply related [flat|nested] 6+ messages in thread* Re: [PATCH 1/4] USB: gadget: f_rndis: fix bitrate for SuperSpeed and above
2020-11-26 18:02 [PATCH 1/4] USB: gadget: f_rndis: fix bitrate for SuperSpeed and above Greg Kroah-Hartman
` (2 preceding siblings ...)
2020-11-26 18:02 ` [PATCH 4/4] USB: gadget: f_midi: setup SuperSpeed Plus descriptors Greg Kroah-Hartman
@ 2020-11-26 18:10 ` Greg Kroah-Hartman
3 siblings, 0 replies; 6+ messages in thread
From: Greg Kroah-Hartman @ 2020-11-26 18:10 UTC (permalink / raw)
To: Greg Kroah-Hartman
Cc: balbi, linux-usb, linux-kernel, Will McVicker, EJ Hsu,
Peter Chen, stable
On Thu, Nov 26, 2020 at 07:02:32PM +0100, Greg Kroah-Hartman wrote:
> From: Will McVicker <willmcvicker@google.com>
>
> Align the SuperSpeed Plus bitrate for f_rndis to match f_ncm's ncm_bitrate
> defined by commit 1650113888fe ("usb: gadget: f_ncm: add SuperSpeed descriptors
> for CDC NCM").
>
> Cc: Felipe Balbi <balbi@kernel.org>
> Cc: EJ Hsu <ejh@nvidia.com>
> Cc: Peter Chen <peter.chen@nxp.com>
> Cc: stable <stable@vger.kernel.org>
> Signed-off-by: Will McVicker <willmcvicker@google.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sent from wrong email address, will resend from proper one so they will
go through the lists and validate the sender properly, sorry about
that...
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 1/4] USB: gadget: f_rndis: fix bitrate for SuperSpeed and above
@ 2020-11-26 18:09 Greg Kroah-Hartman
2020-11-26 18:09 ` [PATCH 2/4] USB: gadget: f_acm: add support for SuperSpeed Plus Greg Kroah-Hartman
0 siblings, 1 reply; 6+ messages in thread
From: Greg Kroah-Hartman @ 2020-11-26 18:09 UTC (permalink / raw)
To: balbi
Cc: linux-usb, linux-kernel, Will McVicker, EJ Hsu, Peter Chen,
stable, Greg Kroah-Hartman
From: Will McVicker <willmcvicker@google.com>
Align the SuperSpeed Plus bitrate for f_rndis to match f_ncm's ncm_bitrate
defined by commit 1650113888fe ("usb: gadget: f_ncm: add SuperSpeed descriptors
for CDC NCM").
Cc: Felipe Balbi <balbi@kernel.org>
Cc: EJ Hsu <ejh@nvidia.com>
Cc: Peter Chen <peter.chen@nxp.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Will McVicker <willmcvicker@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/f_rndis.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c
index 9534c8ab62a8..0739b05a0ef7 100644
--- a/drivers/usb/gadget/function/f_rndis.c
+++ b/drivers/usb/gadget/function/f_rndis.c
@@ -87,8 +87,10 @@ static inline struct f_rndis *func_to_rndis(struct usb_function *f)
/* peak (theoretical) bulk transfer rate in bits-per-second */
static unsigned int bitrate(struct usb_gadget *g)
{
+ if (gadget_is_superspeed(g) && g->speed >= USB_SPEED_SUPER_PLUS)
+ return 4250000000U;
if (gadget_is_superspeed(g) && g->speed == USB_SPEED_SUPER)
- return 13 * 1024 * 8 * 1000 * 8;
+ return 3750000000U;
else if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
return 13 * 512 * 8 * 1000 * 8;
else
--
2.29.2
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 2/4] USB: gadget: f_acm: add support for SuperSpeed Plus
2020-11-26 18:09 Greg Kroah-Hartman
@ 2020-11-26 18:09 ` Greg Kroah-Hartman
0 siblings, 0 replies; 6+ messages in thread
From: Greg Kroah-Hartman @ 2020-11-26 18:09 UTC (permalink / raw)
To: balbi
Cc: linux-usb, linux-kernel, taehyun.cho, stable, Will McVicker,
Greg Kroah-Hartman
From: "taehyun.cho" <taehyun.cho@samsung.com>
Setup the SuperSpeed Plus descriptors for f_acm. 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: taehyun.cho <taehyun.cho@samsung.com>
Signed-off-by: Will McVicker <willmcvicker@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/f_acm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c
index 46647bfac2ef..349945e064bb 100644
--- a/drivers/usb/gadget/function/f_acm.c
+++ b/drivers/usb/gadget/function/f_acm.c
@@ -686,7 +686,7 @@ acm_bind(struct usb_configuration *c, struct usb_function *f)
acm_ss_out_desc.bEndpointAddress = acm_fs_out_desc.bEndpointAddress;
status = usb_assign_descriptors(f, acm_fs_function, acm_hs_function,
- acm_ss_function, NULL);
+ acm_ss_function, acm_ss_function);
if (status)
goto fail;
--
2.29.2
^ permalink raw reply related [flat|nested] 6+ messages in thread
end of thread, other threads:[~2020-11-26 18:10 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-11-26 18:02 [PATCH 1/4] USB: gadget: f_rndis: fix bitrate for SuperSpeed and above Greg Kroah-Hartman
2020-11-26 18:02 ` [PATCH 2/4] USB: gadget: f_acm: add support for SuperSpeed Plus Greg Kroah-Hartman
2020-11-26 18:02 ` [PATCH 3/4] USB: gadget: f_fs: add SuperSpeed Plus support Greg Kroah-Hartman
2020-11-26 18:02 ` [PATCH 4/4] USB: gadget: f_midi: setup SuperSpeed Plus descriptors Greg Kroah-Hartman
2020-11-26 18:10 ` [PATCH 1/4] USB: gadget: f_rndis: fix bitrate for SuperSpeed and above Greg Kroah-Hartman
2020-11-26 18:09 Greg Kroah-Hartman
2020-11-26 18:09 ` [PATCH 2/4] USB: gadget: f_acm: add support for SuperSpeed Plus Greg Kroah-Hartman
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