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Thu, 03 Apr 2025 01:42:43 -0700 (PDT) Date: Thu, 03 Apr 2025 16:42:32 +0800 From: Muhammad Nuzaihan Subject: Re: GNSS support for Qualcomm PCIe modem device To: Slark Xiao Cc: Sergey Ryazanov , Loic Poulain , manivannan.sadhasivam@linaro.org, netdev@vger.kernel.org, Qiang Yu , johan@kernel.org, mhi@lists.linux.dev, linux-kernel@vger.kernel.org Message-Id: In-Reply-To: References: <2703842b.58be.195fa426e5e.Coremail.slark_xiao@163.com> X-Mailer: geary/40.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Hi Slark, I just implemented it in the wwan subsystem since it works for me (even without flow control). I wanted to port it to use GPS subsystem, however, debugging in GPS subsystem is too troublesome, especially when the driver crashes. Unless i can have some VM with direct access to the Quectel hardware so i don't need to keep rebooting my machine if it crashes. For now, i am getting GNSS/NMEA data from Quectel with MHI wwan modifications. Regards, Zaihan On Thu, Apr 3 2025 at 04:02:01 PM +0800, Muhammad Nuzaihan wrote: > Hi Slark, > > I just implemented it in the wwan subsystem since it works for me > (even without flow control). I wanted to port it to use GPS > subsystem, however, debugging in GPS subsystem is too troublesome, > especially when the driver crashes. > > Unless i can have some VM with direct access to the Quectel hardware > so i don't need to keep rebooting my machine if it crashes. > > For now, i am getting GNSS/NMEA data from Quectel with MHI wwan > modifications. > > Regards, > Zaihan > > On Thu, Apr 3 2025 at 02:06:52 PM +0800, Slark Xiao > wrote: >> >> Hi Sergey, Muhammad, >> This is Slark. We have a discussion about the feature of GNSS/NMEA >> over QC PCIe modem >> device since 2024/12.May I know if we have any progress on this >> feature? >> >> It's really a common requirement for modem device since we have >> received some complaint >> from our customer. Please help provide your advice. >> >> >> Thank you in advance! >>