From: Vitaly Bordug <vbordug@ru.mvista.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, Kumar Gala <galak@kernel.crashing.org>
Subject: [PATCH] ppc32: Fix incorrect PCI frequency value
Date: Wed, 16 Nov 2005 21:57:06 +0300 [thread overview]
Message-ID: <437B8102.1090900@ru.mvista.com> (raw)
The time to wait after deasserting PCI_RST has been counted with
incorrect value - this patch fixes the issue.
Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
arch/ppc/syslib/m82xx_pci.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
applies-to: f571549f6e990531b853304fe9bf74cb488a02ac
ac9eb05c322380b1d11a0271e1507428b95ab994
diff --git a/arch/ppc/syslib/m82xx_pci.c b/arch/ppc/syslib/m82xx_pci.c
index 1d1c395..20f1fa3 100644
--- a/arch/ppc/syslib/m82xx_pci.c
+++ b/arch/ppc/syslib/m82xx_pci.c
@@ -248,7 +248,8 @@ pq2ads_setup_pci(struct pci_controller *
pci_div = ( (sccr & SCCR_PCI_MODCK) ? 2 : 1) *
( ( (sccr & SCCR_PCIDF_MSK) >> SCCR_PCIDF_SHIFT) + 1);
freq = (uint)((2*binfo->bi_cpmfreq)/(pci_div));
- time = (int)666666/freq;
+ time = (int)66666666/freq;
+
/* due to PCI Local Bus spec, some devices needs to wait such a long
time after RST deassertion. More specifically, 0.508s for 66MHz & twice more for 33 */
printk("%s: The PCI bus is %d Mhz.\nWaiting %s after deasserting RST...\n",__FILE__,freq,
---
Sincerely,
Vitaly
reply other threads:[~2005-11-16 18:57 UTC|newest]
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