From: Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>
To: Zhiqiang Hou <B48286-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Cc: linux-spi <linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
B21284-KZfg59tc24xl57MIdRCFDg@public.gmane.org
Subject: Re: [PATCH 1/3] spi: Add addr_width field to struct spi_message
Date: Mon, 11 May 2015 09:43:21 +0200 [thread overview]
Message-ID: <CAMuHMdUakeDgLZ4hXe0DBu97Xx4eiC9K_Qfc-imkDBrDBXNs6A@mail.gmail.com> (raw)
In-Reply-To: <1431269253-22890-1-git-send-email-B48286-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
On Sun, May 10, 2015 at 4:47 PM, Zhiqiang Hou <B48286-KZfg59tc24xl57MIdRCFDg@public.gmane.org> wrote:
> From: Hou Zhiqiang <B48286-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
>
> Make SPI controller can get address width of the SPI device.
What does "address wdith" mean? From your other patches, I infer it's either
24 or 32 bit addressing as used by nor-jedec ("m25p80").
Why does the generic spi_message needs to have nor-jedec-specific fields?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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next prev parent reply other threads:[~2015-05-11 7:43 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-10 14:47 [PATCH 1/3] spi: Add addr_width field to struct spi_message Zhiqiang Hou
[not found] ` <1431269253-22890-1-git-send-email-B48286-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2015-05-10 14:47 ` [PATCH 2/3] mtd: m25p80: Initialize the addr_width field of spi_message Zhiqiang Hou
2015-05-10 14:47 ` [PATCH 3/3] spi/fsl-espi: Add the 4Byte address width device support Zhiqiang Hou
[not found] ` <1431269253-22890-3-git-send-email-B48286-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2015-05-11 7:45 ` Geert Uytterhoeven
2015-05-11 7:43 ` Geert Uytterhoeven [this message]
[not found] ` <CAMuHMdUakeDgLZ4hXe0DBu97Xx4eiC9K_Qfc-imkDBrDBXNs6A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-11 16:17 ` [PATCH 1/3] spi: Add addr_width field to struct spi_message Mark Brown
2015-05-12 8:06 ` Hou Zhiqiang
[not found] ` <CY1PR0301MB0780A4057DBB4DEBC45A631F8BDA0-YrwGdl+PljnwWZenWrSUgZwN6zqB+hSMnBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2015-05-12 8:11 ` Geert Uytterhoeven
[not found] ` <CAMuHMdUzkr6_evPD5y-gaH=rtEgyZ+bHAddD+UmpTssQXZry1g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-12 8:27 ` Hou Zhiqiang
[not found] ` <CY1PR0301MB078056CF0855A97334FD96458BDA0-YrwGdl+PljnwWZenWrSUgZwN6zqB+hSMnBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2015-05-12 8:57 ` Geert Uytterhoeven
[not found] ` <CAMuHMdXFY_W6Rd37rNeNUnztZ=8xUcZBS3=eLQwK52N6byGgBg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-12 10:23 ` Mark Brown
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