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Message-ID: <CAMRc=MctvBdH91mfSr-1ODy3sEKtPtvcWR03NiHr6rFbrA82Lw@mail.gmail.com>
Date: Mon, 11 Sep 2023 08:54:37 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Biju Das <biju.das.jz@...renesas.com>
Cc: Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
Biju Das <biju.das.au@...il.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH] eeprom: at24: Drop at24_get_chip_data()
On Sat, Sep 2, 2023 at 7:45 PM Biju Das <biju.das.jz@...renesas.com> wrote:
>
> Replace at24_get_chip_data()->i2c_get_match_data() as it is
> redundant.
>
> Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
> ---
> drivers/misc/eeprom/at24.c | 32 +++-----------------------------
> 1 file changed, 3 insertions(+), 29 deletions(-)
>
> diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
> index dbbf7db4ff2f..af83aca452b7 100644
> --- a/drivers/misc/eeprom/at24.c
> +++ b/drivers/misc/eeprom/at24.c
> @@ -509,32 +509,6 @@ static int at24_write(void *priv, unsigned int off, void *val, size_t count)
> return 0;
> }
>
> -static const struct at24_chip_data *at24_get_chip_data(struct device *dev)
> -{
> - struct device_node *of_node = dev->of_node;
> - const struct at24_chip_data *cdata;
> - const struct i2c_device_id *id;
> -
> - id = i2c_match_id(at24_ids, to_i2c_client(dev));
> -
> - /*
> - * The I2C core allows OF nodes compatibles to match against the
> - * I2C device ID table as a fallback, so check not only if an OF
> - * node is present but also if it matches an OF device ID entry.
> - */
> - if (of_node && of_match_device(at24_of_match, dev))
> - cdata = of_device_get_match_data(dev);
> - else if (id)
> - cdata = (void *)id->driver_data;
> - else
> - cdata = acpi_device_get_match_data(dev);
> -
> - if (!cdata)
> - return ERR_PTR(-ENODEV);
> -
> - return cdata;
> -}
> -
> static int at24_make_dummy_client(struct at24_data *at24, unsigned int index,
> struct i2c_client *base_client,
> struct regmap_config *regmap_config)
> @@ -601,9 +575,9 @@ static int at24_probe(struct i2c_client *client)
> i2c_fn_block = i2c_check_functionality(client->adapter,
> I2C_FUNC_SMBUS_WRITE_I2C_BLOCK);
>
> - cdata = at24_get_chip_data(dev);
> - if (IS_ERR(cdata))
> - return PTR_ERR(cdata);
> + cdata = i2c_get_match_data(client);
> + if (!cdata)
> + return -ENODEV;
>
> err = device_property_read_u32(dev, "pagesize", &page_size);
> if (err)
> --
> 2.25.1
>
Applied, thanks!
Bart
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