From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: [PATCH 5/12] alim15x3: add "pci_clock=" parameter Date: Thu, 13 Mar 2008 23:44:19 +0100 Message-ID: <20080313224419.7051.7555.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 S1758178AbYCMW3i (ORCPT ); Thu, 13 Mar 2008 18:29:38 -0400 Received: by fg-out-1718.google.com with SMTP id e21so3539392fga.17 for ; Thu, 13 Mar 2008 15:29:37 -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/alim15x3.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) Index: b/drivers/ide/pci/alim15x3.c =================================================================== --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -40,6 +40,8 @@ #define DISPLAY_ALI_TIMINGS +static int pci_clock; + /* * ALi devices are not plug in. Otherwise these static values would * need to go. They ought to go away anyway @@ -294,7 +296,7 @@ static void ali_set_pio_mode(ide_drive_t int s_time, a_time, c_time; u8 s_clc, a_clc, r_clc; unsigned long flags; - int bus_speed = system_bus_clock(); + int bus_speed = pci_clock ? pci_clock : system_bus_clock(); int port = hwif->channel ? 0x5c : 0x58; int portFIFO = hwif->channel ? 0x55 : 0x54; u8 cd_dma_fifo = 0; @@ -839,6 +841,9 @@ static int __init ali15x3_ide_init(void) module_init(ali15x3_ide_init); +module_param(pci_clock, int, 0); +MODULE_PARM_DESC(pci_clock, "PCI bus clock frequency (in MHz)"); + MODULE_AUTHOR("Michael Aubry, Andrzej Krzysztofowicz, CJ, Andre Hedrick, Alan Cox"); MODULE_DESCRIPTION("PCI driver module for ALi 15x3 IDE"); MODULE_LICENSE("GPL");