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From: Max Staudt <max@enpas.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linux I2C <linux-i2c@vger.kernel.org>,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Linux/m68k <linux-m68k@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Subject: Re: [PATCH] i2c/busses: Add i2c-icy for I2C on m68k/Amiga
Date: Tue, 13 Aug 2019 00:21:03 +0200
Message-ID: <0d61e12f-5fc5-7cb6-755f-298ebf4c935f@enpas.org> (raw)
In-Reply-To: <CAMuHMdVJJxjH-gPraW==smrkOOMcGYPKB8BPzrYPU4bstASX3A@mail.gmail.com>

On 08/12/2019 11:37 AM, Geert Uytterhoeven wrote:
>> +       iowrite8(val, address);
> 
> As this is on a Zorro bus, z_writeb()?

I forgot to ask about this.

What is the reasoning behind having a separate z_writeb() for Zorro?
As far as I can see in arch/m68k/include/asm this maps 1:1 to a direct memory access, and it prohibits cross-arch code as in i2c-elektor.


Thanks,
Max

  parent reply index

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-11  4:32 Max Staudt
2019-08-11  4:40 ` Max Staudt
2019-08-12  9:37 ` Geert Uytterhoeven
2019-08-12 10:43   ` Max Staudt
2019-08-12 11:07     ` Geert Uytterhoeven
2019-08-12 11:48       ` Max Staudt
2019-08-12 22:21   ` Max Staudt [this message]
2019-08-13  6:53     ` Geert Uytterhoeven
2019-08-20  9:23 [PATCH v5 1/3] " Max
2019-08-20  9:27 ` [PATCH] " Max Staudt
2019-08-29 19:00   ` Wolfram Sang
2019-08-29 19:17     ` Max Staudt

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