提交 fa1309ae 编写于 作者: W Will McVicker 提交者: Chen Jun

USB: gadget: f_rndis: fix bitrate for SuperSpeed and above

stable inclusion
from stable-5.10.3
commit 2a548c32d5505dcd6ead123c02a52fa8d077e9d8
bugzilla: 46871

--------------------------------

commit b00f444f upstream.

Align the SuperSpeed Plus bitrate for f_rndis to match f_ncm's ncm_bitrate
defined by commit 16501138 ("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: NWill McVicker <willmcvicker@google.com>
Reviewed-by: NPeter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/20201127140559.381351-2-gregkh@linuxfoundation.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Acked-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
上级 dd47786c
......@@ -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
......
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