From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: [PATCH 10/12] via82cxxx: add "pci_clock=" parameter Date: Thu, 13 Mar 2008 23:44:53 +0100 Message-ID: <20080313224453.7051.50484.sendpatchset@localhost.localdomain> References: <20080313224352.7051.44005.sendpatchset@localhost.localdomain> Return-path: Received: from fg-out-1718.google.com ([72.14.220.157]:14483 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758455AbYCMWaM (ORCPT ); Thu, 13 Mar 2008 18:30:12 -0400 Received: by fg-out-1718.google.com with SMTP id e21so3539392fga.17 for ; Thu, 13 Mar 2008 15:30:11 -0700 (PDT) In-Reply-To: <20080313224352.7051.44005.sendpatchset@localhost.localdomain> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org Cc: Bartlomiej Zolnierkiewicz , linux-kernel@vger.kernel.org Add "pci_clock=" parameter for specifying PCI bus clock frequency (in MHz). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/via82cxxx.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) Index: b/drivers/ide/pci/via82cxxx.c =================================================================== --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -94,6 +94,8 @@ static struct via_isa_bridge { { NULL } }; +static int pci_clock; + static unsigned int via_clock; static char *via_dma[] = { "16", "25", "33", "44", "66", "100", "133" }; @@ -340,7 +342,7 @@ static unsigned int __devinit init_chips * Determine system bus clock. */ - via_clock = system_bus_clock() * 1000; + via_clock = (pci_clock ? pci_clock : system_bus_clock()) * 1000; switch (via_clock) { case 33000: via_clock = 33333; break; @@ -495,6 +497,9 @@ static int __init via_ide_init(void) module_init(via_ide_init); +module_param(pci_clock, int, 0); +MODULE_PARM_DESC(pci_clock, "PCI bus clock frequency (in MHz)"); + MODULE_AUTHOR("Vojtech Pavlik, Michel Aubry, Jeff Garzik, Andre Hedrick"); MODULE_DESCRIPTION("PCI driver module for VIA IDE"); MODULE_LICENSE("GPL");