From: William Sung <william.sung@advantech.com.tw>
To: Johan Hovold <johan@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
<linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
AceLan Kao <acelan.kao@canonical.com>,
Campion Kang <campion.kang@advantech.com.tw>,
William Sung <william.sung@advantech.com.tw>
Subject: [PATCH v2] usb: serial: option: Fix the lackage for Quectel EG95 LTE modem support
Date: Wed, 2 Sep 2020 19:03:01 +0800 [thread overview]
Message-ID: <20200902110301.21936-1-william.sung@advantech.com.tw> (raw)
* Add reset-resume callback for resetting USB devices after MCU exits
from suspend/sleep mode.
* Add zero packet support
Fixes: da6902e5b6db ("USB: serial: option: add Quectel EG95 LTE modem"
Signed-off-by: William Sung <william.sung@advantech.com.tw>
---
v2: * Add ZLP support
* Remove redundant code for reserving interface number 4
drivers/usb/serial/option.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 89b3192af326..ba4dc67dab2f 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1099,7 +1099,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC25),
.driver_info = RSVD(4) },
{ USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG95),
- .driver_info = RSVD(4) },
+ .driver_info = RSVD(4) | ZLP },
{ USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96),
.driver_info = RSVD(4) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0xff, 0xff),
@@ -2069,6 +2069,7 @@ static struct usb_serial_driver option_1port_device = {
#ifdef CONFIG_PM
.suspend = usb_wwan_suspend,
.resume = usb_wwan_resume,
+ .reset_resume = usb_wwan_resume,
#endif
};
--
2.17.1
next reply other threads:[~2020-09-02 11:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-02 11:03 William Sung [this message]
2020-09-18 7:53 ` Johan Hovold
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