From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: [PATCH 9/12] opti621: add "pci_clock=" parameter Date: Thu, 13 Mar 2008 23:44:46 +0100 Message-ID: <20080313224446.7051.13895.sendpatchset@localhost.localdomain> References: <20080313224352.7051.44005.sendpatchset@localhost.localdomain> Return-path: Received: from fg-out-1718.google.com ([72.14.220.156]:13615 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758406AbYCMWaF (ORCPT ); Thu, 13 Mar 2008 18:30:05 -0400 Received: by fg-out-1718.google.com with SMTP id e21so3539470fga.17 for ; Thu, 13 Mar 2008 15:30:04 -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/opti621.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) Index: b/drivers/ide/pci/opti621.c =================================================================== --- a/drivers/ide/pci/opti621.c +++ b/drivers/ide/pci/opti621.c @@ -123,6 +123,8 @@ static int reg_base; +static int pci_clock; + #define PIO_NOT_EXIST 254 #define PIO_DONT_KNOW 255 @@ -210,7 +212,7 @@ static void compute_clocks(int pio, pio_ { if (pio != PIO_NOT_EXIST) { int adr_setup, data_pls; - int bus_speed = system_bus_clock(); + int bus_speed = pci_clock ? pci_clock : system_bus_clock(); adr_setup = ide_pio_timings[pio].setup_time; data_pls = ide_pio_timings[pio].active_time; @@ -376,6 +378,9 @@ static int __init opti621_ide_init(void) module_init(opti621_ide_init); +module_param(pci_clock, int, 0); +MODULE_PARM_DESC(pci_clock, "PCI bus clock frequency (in MHz)"); + MODULE_AUTHOR("Jaromir Koutek, Jan Harkes, Mark Lord"); MODULE_DESCRIPTION("PCI driver module for Opti621 IDE"); MODULE_LICENSE("GPL");