From: "Tomoya MORINAGA" <tomoya-linux-ECg8zkTtlr0C6LszWs/t0g@public.gmane.org>
To: "'Grant Likely'" <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
Cc: 'David Brownell'
<dbrownell-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
"'Wang, Qi'" <qi.wang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"'linux-kernel-u79uwXL29TaiAVqoAR/hOA49XUYAGyU/@public.gmane.org@intel.com'"@angua.secretlab.ca,
yong.y.wang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
'Milton Miller' <miltonm-ogEGBHC/i9Y@public.gmane.org>,
'Toshiharu Okada'
<toshiharu-linux-ECg8zkTtlr0C6LszWs/t0g@public.gmane.org>,
kok.howg.ewe-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
joel.clark-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org
Subject: RE: [PATCH 1/3] spi_topcliff_pch: support new device ML7213
Date: Mon, 24 Jan 2011 12:14:22 +0900 [thread overview]
Message-ID: <26379C01EA414D11A4FF5A504D1E0CBB@hacdom.okisemi.com> (raw)
In-Reply-To: <20110121184852.GA18603-MrY2KI0G/OVr83L8+7iqerDks+cytr/Z@public.gmane.org>
Hi Grant,
Thank you for your explanation.
On Saturday, January 22, 2011 3:49 AM, Grant Likely wrote:
> Am I correct so far?
No, not true.
Both Topcliff(Intel EG20 PCH) and OKISEMI ML7213 IOH SPI devices
can't use multi-ChipSelect but 1 ChipSelect only.
I show the my modified diagram below.
- Currently upstreamed version,
/sys/devices/.../0000:00:1a.0 (pci_dev bound to driver 'pch_spi_pcidev')
|
\--spi0.0 (spi_device 0 on spi_master 0)
- I posted before version.
/sys/devices/.../0000:00:1a.0 (pci_dev bound to driver 'pch_spi_pcidev')
|
+--spi0.0 (spi_device 0 on spi_master 0)
|
\--spi1.0 (spi_device 0 on spi_master 1)
- Your anticipated becomes like below
/sys/devices/.../0000:00:1a.0 (pci_dev bound to driver 'pch_spi_pcidev')
|
+--pch_spi.0
| |
| +--spi0.0 (spi_device 0 on spi_master 0)
|
\--pch_spi.1
|
\--spi1.0 (spi_device 0 on spi_master 1)
Still above, don't you change your opinion?
> Make sense?
I probably understand your saying.
You mean insert platform_device as wrapper between pci_driver and spi_topcliff_pch.
Thanks,
-----------------------------------------
Tomoya MORINAGA
OKI SEMICONDUCTOR CO., LTD.
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next prev parent reply other threads:[~2011-01-24 3:14 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-27 11:23 [PATCH 1/3] spi_topcliff_pch: support new device ML7213 Tomoya MORINAGA
2010-12-27 11:23 ` [PATCH 2/3] spi_topcliff_pch: change calling function order correctly in remove Tomoya MORINAGA
2010-12-27 11:23 ` [PATCH 3/3] spi_topcliff_pch: fix resource leak issue Tomoya MORINAGA
2010-12-29 6:51 ` Grant Likely
2010-12-29 6:51 ` [PATCH 2/3] spi_topcliff_pch: change calling function order correctly in remove Grant Likely
2010-12-29 6:49 ` [PATCH 1/3] spi_topcliff_pch: support new device ML7213 Grant Likely
2011-01-05 2:34 ` Tomoya MORINAGA
2011-01-05 16:38 ` Grant Likely
2011-01-07 6:40 ` Tomoya MORINAGA
[not found] ` <46862922F48B45F781832619CF3F4B79-c0cKtqp5df7I9507bXv2FdBPR1lH4CV8@public.gmane.org>
2011-01-07 9:21 ` Milton Miller
[not found] ` <topcliff-split-kM9DGJe42AJBDgjK7y7TUQ@public.gmane.org>
2011-01-07 9:45 ` Tomoya MORINAGA
2011-01-11 9:38 ` Tomoya MORINAGA
[not found] ` <84FF3503839A46E0B9919DF000DDE5C5-c0cKtqp5df7I9507bXv2FdBPR1lH4CV8@public.gmane.org>
2011-01-21 18:48 ` Grant Likely
[not found] ` <20110121184852.GA18603-MrY2KI0G/OVr83L8+7iqerDks+cytr/Z@public.gmane.org>
2011-01-24 3:14 ` Tomoya MORINAGA [this message]
2011-01-11 9:42 ` Tomoya MORINAGA
2011-01-12 5:27 ` Tomoya MORINAGA
2011-01-18 12:36 ` Tomoya MORINAGA
2011-01-19 6:25 ` Grant Likely
2011-01-07 9:45 ` Milton Miller
2011-01-07 9:57 ` Milton Miller
2011-01-07 6:47 ` Tomoya MORINAGA
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