Re: [PATCH] tmio_mmc: Make ack_mmc_irqs() write-only

2010-08-20 Thread Magnus Damm
On Sat, Aug 21, 2010 at 12:12 AM, Arnd Hannemann wrote: > Am 20.07.2010 09:51, schrieb Yusuke Goda: >> This patch updates ack_mmc_irqs() to acknowledge using write instead >> of read-modify-write. Without this fix the old read-modify-write >> implementation may acknowledge interrupt sources by mis

Re: [PATCH] tmio_mmc: Make ack_mmc_irqs() write-only

2010-08-20 Thread Arnd Hannemann
Am 20.07.2010 09:51, schrieb Yusuke Goda: > This patch updates ack_mmc_irqs() to acknowledge using write instead > of read-modify-write. Without this fix the old read-modify-write > implementation may acknowledge interrupt sources by mistake. The > driver may if so lock-up waiting forever for an in

Re: [PATCH] tmio_mmc: Make ack_mmc_irqs() write-only

2010-07-23 Thread Magnus Damm
2010/7/20 Yusuke Goda : > This patch updates ack_mmc_irqs() to acknowledge using write instead > of read-modify-write. Without this fix the old read-modify-write > implementation may acknowledge interrupt sources by mistake. The > driver may if so lock-up waiting forever for an interrupt that will

[PATCH] tmio_mmc: Make ack_mmc_irqs() write-only

2010-07-20 Thread Yusuke Goda
This patch updates ack_mmc_irqs() to acknowledge using write instead of read-modify-write. Without this fix the old read-modify-write implementation may acknowledge interrupt sources by mistake. The driver may if so lock-up waiting forever for an interrupt that will never come. Observed with the TM