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From: Stanislaw Gruszka <sgruszka@redhat.com>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Kamil Grzebien <ciptok@gmail.com>,
	linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-wireless@vger.kernel.org
Subject: Re: Initializing iwl3945 error
Date: Tue, 29 May 2012 11:21:56 +0200	[thread overview]
Message-ID: <20120529092154.GA2441@redhat.com> (raw)
In-Reply-To: <CAErSpo6XVgzeQiWjXJs6vxdQ5_O7LFG-j4p=4S7rQSyBdq7-SA@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 272 bytes --]

On Mon, May 28, 2012 at 12:21:34PM -0600, Bjorn Helgaas wrote:
> linked in vs. loaded as a module after boot?  What if you add a long
> delay in the driver probe routine?

I'm attaching patch which add 200 ms delay after pci_enable_device() in
->probe routine.

Stanislaw

[-- Attachment #2: iwl3945_pci_probe_delay.patch --]
[-- Type: text/plain, Size: 445 bytes --]

diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c
index faec404..96fe43d 100644
--- a/drivers/net/wireless/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/iwlegacy/3945-mac.c
@@ -3635,6 +3635,8 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto out_ieee80211_free_hw;
 	}
 
+	msleep(200);
+
 	pci_set_master(pdev);
 
 	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));

  reply	other threads:[~2012-05-29  9:21 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-11 17:43 Initializing iwl3945 error Kamil Grzebien
2012-03-13  8:12 ` Stanislaw Gruszka
2012-03-15 21:08   ` Bjorn Helgaas
2012-04-04 16:13     ` Stanislaw Gruszka
2012-04-05  8:24       ` Kamil Grzebien
2012-04-08 11:51     ` Kamil Grzebien
2012-05-28 14:04       ` Stanislaw Gruszka
2012-05-28 18:21         ` Bjorn Helgaas
2012-05-29  9:21           ` Stanislaw Gruszka [this message]
2012-06-22  3:30             ` Bjorn Helgaas
2012-07-01 18:01               ` Kamil Grzebien
2012-07-02  5:31                 ` Stanislaw Gruszka
2012-07-02 20:49                   ` Kamil Grzebien
2012-07-06 20:38                     ` Bjorn Helgaas
2012-07-06 21:34                       ` Yinghai Lu

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