From: Ralf Baechle <ralf@linux-mips.org>
To: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Cc: linux-mips <linux-mips@linux-mips.org>
Subject: Re: [PATCH][MIPS] bcm47xx: remove unneeded clear_c0_status()
Date: Thu, 1 Nov 2007 13:03:52 +0000 [thread overview]
Message-ID: <20071101130352.GA18642@linux-mips.org> (raw)
In-Reply-To: <20071101213036.c383957f.yoichi_yuasa@tripeaks.co.jp>
On Thu, Nov 01, 2007 at 09:30:36PM +0900, Yoichi Yuasa wrote:
> Remove unneeded clear_c0_status().
> irq_cpu routines take care of it.
Actually this write is plain nonsense; it has no effect. The only time
acknowledging an interrupt in c0_cause is needed is for the two software
interrupts but the only user of these is SMTC.
Ralf
prev parent reply other threads:[~2007-11-01 13:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-01 12:30 [PATCH][MIPS] bcm47xx: remove unneeded clear_c0_status() Yoichi Yuasa
2007-11-01 13:03 ` Ralf Baechle [this message]
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