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From: Max Staudt <max@enpas.org>
To: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-i2c@vger.kernel.org, linux-hwmon@vger.kernel.org,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Jean Delvare <jdelvare@suse.com>,
	Guenter Roeck <linux@roeck-us.net>,
	linux-m68k@vger.kernel.org, linux-kernel@vger.kernel.org,
	glaubitz@physik.fu-berlin.de
Subject: Re: [PATCH v2 1/4] i2c/busses: Add i2c-icy for I2C on m68k/Amiga
Date: Thu, 15 Aug 2019 00:33:40 +0200
Message-ID: <f33ef44e-61e8-0392-7f5c-5a0bd7b42fff@enpas.org> (raw)
In-Reply-To: <20190814194714.GB9756@kunai>

Hi Wolfram,

Thanks for your input!
Replies below.


On 08/14/2019 09:47 PM, Wolfram Sang wrote:
>> +static int clock = 0x1c;
>> +module_param(clock, int, 0444);
> 
> 'clock' determines the bus speed?

Yes, but it also determines the frequency of the oscillator driving the PCF8584. It doesn't usually need to be touched, the current setting drives at the maximum I2C bus speed, with the maximum oscillator (12 MHz).
I kept it in because i2c-elektor also exposes it in the same way, and it seems useful.


>> +	i2c->adapter.class = I2C_CLASS_DEPRECATED;
> 
> This is only needed for drivers which used to have a class and decided
> to drop it. You can leave it empty.

Thanks, I'll drop it.


>> +	algo_data->data = (void *)i2c;
> 
> You don't need the cast, do you?

True. Dropped, thanks.


>> +MODULE_LICENSE("GPL");
> 
> Your SPDX header says GPL 2.0 only.

Thanks! I'll change it to "GPL v2", but unfortunately there is no option for "only" in include/linux/module.h.


Cheers

Max

  reply index

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-12 23:52 Max Staudt
2019-08-12 23:52 ` [PATCH v2 2/4] i2c/busses/i2c-icy: Add LTC2990 present on 2019 board revision Max Staudt
2019-08-13  7:03   ` Geert Uytterhoeven
2019-08-13  9:49     ` Max Staudt
2019-08-14 19:52       ` Wolfram Sang
2019-08-12 23:52 ` [PATCH v2 3/4] hwmon/ltc2990: Add platform_data support Max Staudt
2019-08-13  6:59   ` Geert Uytterhoeven
2019-08-13  8:02   ` Guenter Roeck
2019-08-13  8:27     ` Geert Uytterhoeven
2019-08-13 13:27       ` Guenter Roeck
2019-08-13 13:32         ` Geert Uytterhoeven
2019-08-13 10:10     ` Max Staudt
2019-08-13 13:24       ` Guenter Roeck
2019-08-13 13:31         ` Max
2019-08-14 18:11         ` Max Staudt
2019-08-12 23:52 ` [PATCH v2 4/4] i2c/busses/i2c-icy: Add platform_data for LTC2990 Max Staudt
2019-08-13  7:04   ` Geert Uytterhoeven
2019-08-13  7:08 ` [PATCH v2 1/4] i2c/busses: Add i2c-icy for I2C on m68k/Amiga Geert Uytterhoeven
2019-08-13  9:50   ` Max Staudt
2019-08-14 19:47 ` Wolfram Sang
2019-08-14 22:33   ` Max Staudt [this message]
2019-08-15  7:12     ` Wolfram Sang
2019-08-15 10:00       ` Max Staudt
2019-08-15 11:48         ` Wolfram Sang
2019-08-15 11:52           ` Max
2019-08-15 12:04             ` Wolfram Sang
2019-08-15 12:10               ` Max Staudt
2019-08-15 12:52                 ` Wolfram Sang

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