Re: [PATCH] staging: axis-fifo: initialize timeouts in probe only

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On Wed, Mar 15, 2023 at 05:24:23PM +0100, Fabio M. De Francesco wrote:
> On mercoledì 15 marzo 2023 16:06:56 CET Nathan Chancellor wrote:
> > Hi Khadija,
> > 
> > On Wed, Mar 15, 2023 at 07:22:39PM +0500, Khadija Kamran wrote:
> > > On Wed, Mar 15, 2023 at 02:34:31PM +0100, Fabio M. De Francesco wrote:
> > > > Aside from what I said and asked for with the other message of this same
> > > > thread, please take note that you can build a specific module if you
> > > > prefer
> > > > not to re-build the whole kernel and other modules at the same time.
> > > > 
> > > > I'm pretty sure that the instructions to do so are in the
> > > > OutreachyFirstPatch
> > > > tutorial.
> > > > 
> > > > If they are not there, please let us know.
> > > > 
> > > > Fabio
> > > 
> > > Hey Fabio!
> > > 
> > > In the Outreachy FirstPatchTutorial under the 'Compiling only part of
> > > the kernel' section there are ways to compile only some part of the
> > > kernel.
> > > 
> > > I have tried using "make W=1 drivers/staging/axis-fifo/" and it says
> > > 'nothing to be done for'.
> > 
> > Is CONFIG_XIL_AXIS_FIFO enabled in your configuration?
> 
> @Khadija:
> 
> Maybe that you won't find CONFIG_XIL_AXIS_FIFO among the staging drivers 
> entries while using "make menuconfig" (or the other similar commands for 
> working with the configuration). 
> 
> In that case, first enable the CONFIG_OF option if disabled. 
> CONFIG_XIL_AXIS_FIFO depends on the former. 
> 
> For "CONFIG_XIL_AXIS_FIFO depends on CONFIG_OF" we mean that you can the 
> former if and only if the latter is already enabled. 
> 
> Actually, CONFIG_XIL_AXIS_FIFO depends also on two other options. However you 
> shouldn't worry about those others because they are commonly enabled in more 
> than 99% of PC distributions.
>

Hey Fabio!

I have checked in my .config file and both options are enabled. The file
says,
CONFIG_OF=y
CONFIG_HAS_IOMEM=y

The "make menuconfig" shows 'Xilinx AXI-Stream FIFO IP core driver' with
built-in selection [*].
The problem I am having here is that in the OutreachyFIrstPatch
tutorial, it asks you to change [*] -> [m], but I cannot change it.

Kindly help me with this!

Thank you!
Regards,
Khadija



> > > Should I start with the steps to reproduce? :'(
> > 
> > I did see a report of this same warning occurring with GCC but the
> > report I commented on cane from clang/LLVM; using that toolchain may
> > make it easier for you to reproduce this issue. The robot's reproduction
> > instructions are fine but I think doing it manually is actually simpler.
> > 
> > Ubuntu 22.04 should have a pretty modern version of clang/LLVM, which
> > you can install via 'sudo apt install clang lld llvm'.
> > https://apt.llvm.org is another resource.
> 
> @Nathan: Congratulations, you now have another clang/LLVM adept!
> (Obviously, I'm just kidding :-))
> 
> Fabio
> 
> 
> 




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