From: Geoff Levand <geoffrey.levand@am.sony.com>
To: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: Linux/PPC Development <linuxppc-dev@ozlabs.org>,
Linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [patch 3/7] ps3: Use the HVs storage device notification mechanism properly
Date: Wed, 28 Nov 2007 14:25:59 -0800 [thread overview]
Message-ID: <474DEAF7.6000301@am.sony.com> (raw)
In-Reply-To: <20071128143438.302492000@pademelon.sonytel.be>
Geert Uytterhoeven wrote:
> ps3: Use the HV's storage device notification mechanism properly
>
> The hypervisor has a storage device notification mechanism to wait until a
> storage device is ready. Unfortunately the storage device probing code used
> this mechanism in an incorrect way, needing a polling loop and handling of
> devices that are not yet ready.
>
> This change corrects this by:
> - First waiting for the reception of an asynchronous notification that a new
> storage device became ready,
> - Then looking up the storage device in the device repository.
>
> Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
> ---
> arch/powerpc/platforms/ps3/device-init.c | 395 +++++++++++++++----------------
> arch/powerpc/platforms/ps3/platform.h | 2
> arch/powerpc/platforms/ps3/repository.c | 29 --
> 3 files changed, 194 insertions(+), 232 deletions(-)
Let's hope this is the end of the storage device notification saga!
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
next prev parent reply other threads:[~2007-11-28 22:26 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-28 14:31 [patch 0/7] PS3 notification device patches for 2.6.25 Geert Uytterhoeven
2007-11-28 14:31 ` [patch 1/7] ps3: Make bus_id and dev_id u64 Geert Uytterhoeven
2007-11-28 14:31 ` Geert Uytterhoeven
2007-11-28 22:16 ` Geoff Levand
2007-11-28 14:31 ` [patch 2/7] ps3: Add ps3_repository_find_device_by_id() Geert Uytterhoeven
2007-11-28 14:31 ` Geert Uytterhoeven
2007-11-28 22:18 ` Geoff Levand
2007-11-28 14:31 ` [patch 3/7] ps3: Use the HVs storage device notification mechanism properly Geert Uytterhoeven
2007-11-28 14:31 ` Geert Uytterhoeven
2007-11-28 22:25 ` Geoff Levand [this message]
2007-12-20 16:56 ` [patch/rfc " Geert Uytterhoeven
2007-11-28 14:31 ` [patch 4/7] ps3: Add repository polling loop to work around hypervisor bug Geert Uytterhoeven
2007-11-28 14:31 ` Geert Uytterhoeven
2007-11-28 22:28 ` Geoff Levand
2007-11-28 14:31 ` [patch 5/7] ps3: Kill unused ps3_repository_bump_device() Geert Uytterhoeven
2007-11-28 14:31 ` Geert Uytterhoeven
2007-11-28 22:46 ` Geoff Levand
2007-11-28 14:31 ` [patch 6/7] ps3: Refactor ps3_repository_find_device() Geert Uytterhoeven
2007-11-28 14:31 ` Geert Uytterhoeven
2007-11-28 22:48 ` Geoff Levand
2007-11-28 14:31 ` [patch 7/7] ps3: denoise arch/powerpc/platforms/ps3/repository.c Geert Uytterhoeven
2007-11-28 14:31 ` Geert Uytterhoeven
2007-11-28 22:49 ` Geoff Levand
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