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Date: Tue, 20 Feb 2024 11:01:28 +0100
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: William Zhang <william.zhang@broadcom.com>
Cc: Linux MTD List <linux-mtd@lists.infradead.org>, Linux ARM List
 <linux-arm-kernel@lists.infradead.org>, Broadcom Kernel List
 <bcm-kernel-feedback-list@broadcom.com>, f.fainelli@gmail.com,
 kursad.oney@broadcom.com, joel.peshkin@broadcom.com,
 anand.gore@broadcom.com, dregan@mail.com, kamal.dasu@broadcom.com,
 tomer.yacoby@broadcom.com, dan.beygelman@broadcom.com, David Regan
 <dregan@broadcom.com>, Dan Carpenter <dan.carpenter@linaro.org>,
 linux-kernel@vger.kernel.org, Vignesh Raghavendra <vigneshr@ti.com>, Brian
 Norris <computersforpeace@gmail.com>, Richard Weinberger <richard@nod.at>
Subject: Re: [PATCH v5 11/12] mtd: rawnand: brcmnand: exec_op helper
 functions return type fixes
Message-ID: <20240220110128.3cadbcc2@xps-13>
In-Reply-To: <20240207202257.271784-12-william.zhang@broadcom.com>
References: <20240207202257.271784-1-william.zhang@broadcom.com>
	<20240207202257.271784-12-william.zhang@broadcom.com>
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Hi,

william.zhang@broadcom.com wrote on Wed,  7 Feb 2024 12:22:56 -0800:

> From: David Regan <dregan@broadcom.com>
>=20
> fix return type for exec_op reset and status detect helper functions

Please make a correct sentence (Fic, detect?, '.').

> Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
> Closes: http://lists.infradead.org/pipermail/linux-mtd/2023-December/1024=
23.html
> Fixes: 3c8260ce7663 ("mtd: rawnand: brcmnand: exec_op implementation")
> Signed-off-by: David Regan <dregan@broadcom.com>
> Signed-off-by: William Zhang <william.zhang@broadcom.com>
> Reviewed-by: William Zhang <william.zhang@broadcom.com>
>=20
> ---
>=20
> Changes in v5: None
> Changes in v4:
> - Fix the commit id in the fixes tag
>=20
> Changes in v3: None
> Changes in v2:
> - Added to patch series
>=20
>  drivers/mtd/nand/raw/brcmnand/brcmnand.c | 15 +++++++++------
>  1 file changed, 9 insertions(+), 6 deletions(-)
>=20
> diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/=
raw/brcmnand/brcmnand.c
> index 8c1489ff7bd6..7ce2b267676f 100644
> --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> @@ -625,7 +625,7 @@ enum {
>  /* Only for v7.2 */
>  #define	ACC_CONTROL_ECC_EXT_SHIFT		13
> =20
> -static u8 brcmnand_status(struct brcmnand_host *host);
> +static int brcmnand_status(struct brcmnand_host *host);
> =20
>  static inline bool brcmnand_non_mmio_ops(struct brcmnand_controller *ctr=
l)
>  {
> @@ -1749,7 +1749,7 @@ static int brcmnand_waitfunc(struct nand_chip *chip)
>  				 INTFC_FLASH_STATUS;
>  }
> =20
> -static u8 brcmnand_status(struct brcmnand_host *host)
> +static int brcmnand_status(struct brcmnand_host *host)
>  {
>  	struct nand_chip *chip =3D &host->chip;
>  	struct mtd_info *mtd =3D nand_to_mtd(chip);
> @@ -1760,7 +1760,7 @@ static u8 brcmnand_status(struct brcmnand_host *hos=
t)
>  	return brcmnand_waitfunc(chip);
>  }
> =20
> -static u8 brcmnand_reset(struct brcmnand_host *host)
> +static int brcmnand_reset(struct brcmnand_host *host)
>  {
>  	struct nand_chip *chip =3D &host->chip;
> =20
> @@ -2492,11 +2492,14 @@ static int brcmnand_exec_op(struct nand_chip *chi=
p,
> =20
>  	if (brcmnand_op_is_status(op)) {
>  		status =3D op->instrs[1].ctx.data.buf.in;
> -		*status =3D brcmnand_status(host);
> +		ret =3D brcmnand_status(host);
> +		if (ret < 0)
> +			return ret;
> +
> +		*status =3D ret & 0xFF;
> =20
>  		return 0;
> -	}
> -	else if (brcmnand_op_is_reset(op)) {
> +	} else if (brcmnand_op_is_reset(op)) {

This is another change, please make it in another patch. Also while you
are at it, there are probably other checkpatch warnings that can be
fixed, if you want.

>  		ret =3D brcmnand_reset(host);
>  		if (ret < 0)
>  			return ret;


Thanks,
Miqu=C3=A8l