Re: [PATCH v6 1/3] mtd: nand: raw: qcom_nandc: reorder qcom_nand_host struct

From: Ansuel Smith <ansuelsmth@gmail.com>
To: Manivannan Sadhasivam <mani@kernel.org>
Cc: Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	linux-mtd@lists.infradead.org, linux-arm-msm@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 1/3] mtd: nand: raw: qcom_nandc: reorder qcom_nand_host struct
Date: Thu, 9 Jun 2022 19:10:33 +0200	[thread overview]
Message-ID: <62a2298c.1c69fb81.bc909.d2d0@mx.google.com> (raw)
In-Reply-To: <20220609170722.GA5081@thinkpad>

On Thu, Jun 09, 2022 at 10:37:22PM +0530, Manivannan Sadhasivam wrote:
> On Thu, Jun 09, 2022 at 03:23:42PM +0200, Ansuel Smith wrote:
> > Reorder qcom_nand_host to save holes in the struct.
> 
> You forgot to reorder other structs also as I requested :/
> 
> Thanks,
> Mani
>

Mhhh I didn't find obvius hole in other struct.
Think I will pass this with dwarf to better check them. Sorry!
Feel free to point them if you notice obvius hole that I didn't notice.

> > 
> > Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
> > ---
> >  drivers/mtd/nand/raw/qcom_nandc.c | 10 ++++++----
> >  1 file changed, 6 insertions(+), 4 deletions(-)
> > 
> > diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c
> > index 1a77542c6d67..7fbbd3e7784c 100644
> > --- a/drivers/mtd/nand/raw/qcom_nandc.c
> > +++ b/drivers/mtd/nand/raw/qcom_nandc.c
> > @@ -431,11 +431,12 @@ struct qcom_nand_controller {
> >   *				and reserved bytes
> >   * @cw_data:			the number of bytes within a codeword protected
> >   *				by ECC
> > + * @ecc_bytes_hw:		ECC bytes used by controller hardware for this
> > + *				chip
> > + *
> >   * @use_ecc:			request the controller to use ECC for the
> >   *				upcoming read/write
> >   * @bch_enabled:		flag to tell whether BCH ECC mode is used
> > - * @ecc_bytes_hw:		ECC bytes used by controller hardware for this
> > - *				chip
> >   * @status:			value to be returned if NAND_CMD_STATUS command
> >   *				is executed
> >   * @last_command:		keeps track of last command on this chip. used
> > @@ -452,11 +453,12 @@ struct qcom_nand_host {
> >  	int cs;
> >  	int cw_size;
> >  	int cw_data;
> > -	bool use_ecc;
> > -	bool bch_enabled;
> >  	int ecc_bytes_hw;
> >  	int spare_bytes;
> >  	int bbm_size;
> > +
> > +	bool use_ecc;
> > +	bool bch_enabled;
> >  	u8 status;
> >  	int last_command;
> >  
> > -- 
> > 2.36.1
> > 
> 
> -- 
> மணிவண்ணன் சதாசிவம்

-- 
	Ansuel