From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Michal Kazior <michal.kazior@tieto.com>
Cc: <ath10k@lists.infradead.org>, <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH 6/7] ath10k: fix device initialization routine
Date: Wed, 16 Oct 2013 16:31:42 +0300 [thread overview]
Message-ID: <877gdd735t.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <1381858196-17000-7-git-send-email-michal.kazior@tieto.com> (Michal Kazior's message of "Tue, 15 Oct 2013 10:29:55 -0700")
Michal Kazior <michal.kazior@tieto.com> writes:
> Hardware revision 2 does not support cold reset
> correctly. As such it would sometimes lead to host
> machine freeze or data bus errors.
>
> The patch introduces warm reset function which is
> used instead of the cold reset one. It also moves
> the reset before interrupts are being set up to
> prevent any kind of spurious interrupts from being
> handled.
>
> Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
[...]
> + /* reset CE */
> + addr = ar_pci->mem + RTC_SOC_BASE_ADDRESS + SOC_RESET_CONTROL_ADDRESS;
> + val = ioread32(addr);
> + val |= SOC_RESET_CONTROL_CE_RST_MASK;
> + iowrite32(val, addr);
> + val = ioread32(addr);
> + msleep(10);
> +
> + /* unreset CE */
> + val &= ~SOC_RESET_CONTROL_CE_RST_MASK, addr;
> + iowrite32(val, addr);
This looks wrong, I assume it was supposed to be this:
val &= ~SOC_RESET_CONTROL_CE_RST_MASK;
--
Kalle Valo
next prev parent reply other threads:[~2013-10-16 13:31 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-15 17:29 [PATCH 0/7] ath10k: fixes 2013-10-15 Michal Kazior
2013-10-15 17:29 ` [PATCH 1/7] ath10k: prevent starting monitor without a vdev Michal Kazior
2013-10-15 17:29 ` [PATCH 2/7] ath10k: add sanity checks for monitor management Michal Kazior
2013-10-16 9:19 ` Kalle Valo
2013-10-15 17:29 ` [PATCH 3/7] ath10k: fix endianess in prints Michal Kazior
2013-10-15 17:29 ` [PATCH 4/7] ath10k: fix NSS reporting in RX Michal Kazior
2013-10-15 17:29 ` [PATCH 5/7] ath10k: fix NULL deref upon early FW crash Michal Kazior
2013-10-15 17:29 ` [PATCH 6/7] ath10k: fix device initialization routine Michal Kazior
2013-10-16 13:31 ` Kalle Valo [this message]
2013-10-15 17:29 ` [PATCH 7/7] ath10k: fix FW crashes on heavy TX on 10.1.389 AP FW Michal Kazior
2013-10-15 18:55 ` [PATCH 0/7] ath10k: fixes 2013-10-15 Kalle Valo
2013-10-16 12:56 ` Kalle Valo
2013-10-16 14:05 ` Michal Kazior
2013-10-16 14:18 ` Kalle Valo
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