linux-kernel - Re: [PATCH 03/13] mtd: spinand: Setup spi_mem_op for the SPI IO protocol using reg_proto

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Message-ID: <20210820140840.4bbcac7e@xps13>
Date:   Fri, 20 Aug 2021 14:08:40 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Apurva Nandan <a-nandan@...com>
Cc:     Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Mark Brown <broonie@...nel.org>,
        Patrice Chotard <patrice.chotard@...s.st.com>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <linux-spi@...r.kernel.org>, Pratyush Yadav <p.yadav@...com>
Subject: Re: [PATCH 03/13] mtd: spinand: Setup spi_mem_op for the SPI IO
 protocol using reg_proto

Hi Apurva,

Boris, you might have a good idea for the naming discussed below?

Apurva Nandan <a-nandan@...com> wrote on Fri, 20 Aug 2021 15:22:54
+0530:

> Hi Miquèl,
> 
> On 07/08/21 12:00 am, Miquel Raynal wrote:
> > Hi Apurva,
> > 
> > Apurva Nandan <a-nandan@...com> wrote on Tue, 13 Jul 2021 13:05:28
> > +0000:
> >   
> >> Currently, the op macros in spinand.h don't give the option to setup
> >> any non-array access instructions for Dual/Quad/Octal DTR SPI bus.
> >> Having a function that setups the op based on reg_proto would be
> >> better than trying to write all the setup logic in op macros.
> >>
> >> Create a spimem_setup_op() that would setup cmd, addr, dummy and data
> >> phase of the spi_mem op, for the given spinand->reg_proto. And hence,
> >> call the spimem_setup_op() before executing any spi_mem op.
> >>
> >> Note: In this commit, spimem_setup_op() isn't called in the
> >> read_reg_op(), write_reg_op() and wait() functions, as they need
> >> modifications in address value and data nbytes when in Octal DTR mode.
> >> This will be fixed in a later commit.  
> > 
> > Thanks for this series!
> > 
> > So far I am fine with your changes, but I don't like the setup_op()
> > naming much. I don't yet have a better idea, could you propose
> > something more meaningful?
> >   
> 
> I made this similar to the spi_nor_spimem_setup_op(), which essentially does the same task as this in the spi-nor core.
> 
> Other names that I can think of are:
> 
> - config_op(), adjust_op(), amend_op(), patch_op()
> 
> or
> 
> - handle_op_variations(), apply_op_variations()
> 
> What do you suggest?
> 
> >> Signed-off-by: Apurva Nandan <a-nandan@...com>  
> > 
> > Thanks,
> > Miquèl
> > 
> > ______________________________________________________
> > Linux MTD discussion mailing list
> > http://lists.infradead.org/mailman/listinfo/linux-mtd/
> >   
> Thanks,
> Apurva Nandan

Thanks,
Miquèl

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