Re: Re: [PATCH V2 1/2] serial/8250: Add support for NI-Serial PXI/PXIe+485 devices

[Greg KH <gregkh@linuxfoundation.org>]

On Thu, Jul 04, 2019 at 07:55:33AM +0000, Je Yen Tam wrote:
> > On Wed, Jul 03, 2019 at 12:24:35AM -0700, jeyentam wrote:
> > > Add support for NI-Serial PXIe-RS232, PXI-RS485 and PXIe-RS485 devices.
> > >
> > > Signed-off-by: jeyentam <je.yen.tam@ni.com>
> > 
> > I need a "full" name here please.
> 
> Ok, will do so.
> 
> > 
> > Also, this patch breaks the build, which is not allowed, and makes me wonder how
> > you tested it :(
> 
> I've tested my changes with the steps as follows, it did not break.
> 
> 1. Clone the Linux repo, check out the source and work on my project.
> 2. Compile the kernel source with "make j4".
> 3. Build the kernel modules with "make modules_install".
> 4. Install the kernel with "make install".
> 5. Reboot into the newly built kernel.
> 6. The kernel worked well and able to fit my needs.
> 
> Noted that my source is checked out from the latest Linux kernel 5.2.0-rc6.
> 
> Also, I checked my patch using checkpatch.pl, it did not show any errors and 
> warnings too.
> 
> May I know what do you mean by breaking the build?

If you only apply patch 1/2, the build breaks as you add new device ids
in the second patch.  At every individual patch, you can not break the
build.

thanks,

greg k-h