From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, Daniele Palmas <dnlplm@gmail.com>,
Johan Hovold <johan@kernel.org>
Subject: [PATCH 4.19 26/46] USB: serial: option: add ZLP support for 0x1bc7/0x9010
Date: Tue, 14 Jan 2020 11:01:43 +0100 [thread overview]
Message-ID: <20200114094345.726789934@linuxfoundation.org> (raw)
In-Reply-To: <20200114094339.608068818@linuxfoundation.org>
From: Daniele Palmas <dnlplm@gmail.com>
commit 2438c3a19dec5e98905fd3ffcc2f24716aceda6b upstream.
Telit FN980 flashing device 0x1bc7/0x9010 requires zero packet
to be sent if out data size is is equal to the endpoint max size.
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
[ johan: switch operands in conditional ]
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/serial/option.c | 8 ++++++++
drivers/usb/serial/usb-wwan.h | 1 +
drivers/usb/serial/usb_wwan.c | 4 ++++
3 files changed, 13 insertions(+)
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -567,6 +567,9 @@ static void option_instat_callback(struc
/* Interface must have two endpoints */
#define NUMEP2 BIT(16)
+/* Device needs ZLP */
+#define ZLP BIT(17)
+
static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
@@ -1198,6 +1201,8 @@ static const struct usb_device_id option
.driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1901, 0xff), /* Telit LN940 (MBIM) */
.driver_info = NCTRL(0) },
+ { USB_DEVICE(TELIT_VENDOR_ID, 0x9010), /* Telit SBL FN980 flashing device */
+ .driver_info = NCTRL(0) | ZLP },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff),
.driver_info = RSVD(1) },
@@ -2098,6 +2103,9 @@ static int option_attach(struct usb_seri
if (!(device_flags & NCTRL(iface_desc->bInterfaceNumber)))
data->use_send_setup = 1;
+ if (device_flags & ZLP)
+ data->use_zlp = 1;
+
spin_lock_init(&data->susp_lock);
usb_set_serial_data(serial, data);
--- a/drivers/usb/serial/usb-wwan.h
+++ b/drivers/usb/serial/usb-wwan.h
@@ -36,6 +36,7 @@ struct usb_wwan_intf_private {
spinlock_t susp_lock;
unsigned int suspended:1;
unsigned int use_send_setup:1;
+ unsigned int use_zlp:1;
int in_flight;
unsigned int open_ports;
void *private;
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -490,6 +490,7 @@ static struct urb *usb_wwan_setup_urb(st
void (*callback) (struct urb *))
{
struct usb_serial *serial = port->serial;
+ struct usb_wwan_intf_private *intfdata = usb_get_serial_data(serial);
struct urb *urb;
urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */
@@ -500,6 +501,9 @@ static struct urb *usb_wwan_setup_urb(st
usb_sndbulkpipe(serial->dev, endpoint) | dir,
buf, len, callback, ctx);
+ if (intfdata->use_zlp && dir == USB_DIR_OUT)
+ urb->transfer_flags |= URB_ZERO_PACKET;
+
return urb;
}
next prev parent reply other threads:[~2020-01-14 10:08 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-14 10:01 [PATCH 4.19 00/46] 4.19.96-stable review Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 01/46] chardev: Avoid potential use-after-free in chrdev_open() Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 02/46] i2c: fix bus recovery stop mode timing Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 03/46] usb: chipidea: host: Disable port power only if previously enabled Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 04/46] ALSA: usb-audio: Apply the sample rate quirk for Bose Companion 5 Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 05/46] ALSA: hda/realtek - Add new codec supported for ALCS1200A Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 06/46] ALSA: hda/realtek - Set EAPD control to default for ALC222 Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 07/46] ALSA: hda/realtek - Add quirk for the bass speaker on Lenovo Yoga X1 7th gen Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 08/46] kernel/trace: Fix do not unregister tracepoints when register sched_migrate_task fail Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 09/46] tracing: Have stack tracer compile when MCOUNT_INSN_SIZE is not defined Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 10/46] tracing: Change offset type to s32 in preempt/irq tracepoints Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 11/46] HID: Fix slab-out-of-bounds read in hid_field_extract Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 12/46] HID: uhid: Fix returning EPOLLOUT from uhid_char_poll Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 13/46] HID: hid-input: clear unmapped usages Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 14/46] Input: add safety guards to input_set_keycode() Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 15/46] Input: input_event - fix struct padding on sparc64 Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 16/46] drm/sun4i: tcon: Set RGB DCLK min. divider based on hardware model Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 17/46] drm/fb-helper: Round up bits_per_pixel if possible Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 18/46] drm/dp_mst: correct the shifting in DP_REMOTE_I2C_READ Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 19/46] can: kvaser_usb: fix interface sanity check Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 20/46] can: gs_usb: gs_usb_probe(): use descriptors of current altsetting Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 21/46] can: mscan: mscan_rx_poll(): fix rx path lockup when returning from polling to irq mode Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 22/46] can: can_dropped_invalid_skb(): ensure an initialized headroom in outgoing CAN sk_buffs Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 23/46] gpiolib: acpi: Turn dmi_system_id table into a generic quirk table Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 24/46] gpiolib: acpi: Add honor_wakeup module-option + quirk mechanism Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 25/46] staging: vt6656: set usb_set_intfdata on driver fail Greg Kroah-Hartman
2020-01-14 10:01 ` Greg Kroah-Hartman [this message]
2020-01-14 10:01 ` [PATCH 4.19 27/46] usb: musb: fix idling for suspend after disconnect interrupt Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 28/46] usb: musb: Disable pullup at init Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 29/46] usb: musb: dma: Correct parameter passed to IRQ handler Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 30/46] staging: comedi: adv_pci1710: fix AI channels 16-31 for PCI-1713 Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 31/46] staging: rtl8188eu: Add device code for TP-Link TL-WN727N v5.21 Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 32/46] serdev: Dont claim unsupported ACPI serial devices Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 33/46] tty: link tty and port before configuring it as console Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 34/46] tty: always relink the port Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 35/46] mwifiex: fix possible heap overflow in mwifiex_process_country_ie() Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 36/46] mwifiex: pcie: Fix memory leak in mwifiex_pcie_alloc_cmdrsp_buf Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 37/46] scsi: bfa: release allocated memory in case of error Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 38/46] rtl8xxxu: prevent leaking urb Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 39/46] ath10k: fix memory leak Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 40/46] HID: hiddev: fix mess in hiddev_open() Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 41/46] USB: Fix: Dont skip endpoint descriptors with maxpacket=0 Greg Kroah-Hartman
2020-01-14 10:01 ` [PATCH 4.19 42/46] phy: cpcap-usb: Fix error path when no host driver is loaded Greg Kroah-Hartman
2020-01-14 10:02 ` [PATCH 4.19 43/46] phy: cpcap-usb: Fix flakey host idling and enumerating of devices Greg Kroah-Hartman
2020-01-14 10:02 ` [PATCH 4.19 44/46] netfilter: arp_tables: init netns pointer in xt_tgchk_param struct Greg Kroah-Hartman
2020-01-14 10:02 ` [PATCH 4.19 45/46] netfilter: conntrack: dccp, sctp: handle null timeout argument Greg Kroah-Hartman
2020-01-14 10:02 ` [PATCH 4.19 46/46] netfilter: ipset: avoid null deref when IPSET_ATTR_LINENO is present Greg Kroah-Hartman
2020-01-14 15:02 ` [PATCH 4.19 00/46] 4.19.96-stable review Jon Hunter
2020-01-14 18:15 ` Guenter Roeck
2020-01-14 20:22 ` shuah
2020-01-15 2:09 ` Daniel Díaz
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