From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: [PATCH 4/12] aec62xx: add "pci_clock=" parameter Date: Thu, 13 Mar 2008 23:44:12 +0100 Message-ID: <20080313224412.7051.9681.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 S1758062AbYCMW3b (ORCPT ); Thu, 13 Mar 2008 18:29:31 -0400 Received: by fg-out-1718.google.com with SMTP id e21so3539470fga.17 for ; Thu, 13 Mar 2008 15:29:30 -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/aec62xx.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) Index: b/drivers/ide/pci/aec62xx.c =================================================================== --- a/drivers/ide/pci/aec62xx.c +++ b/drivers/ide/pci/aec62xx.c @@ -13,6 +13,8 @@ #include +static int pci_clock; + struct chipset_bus_clock_list_entry { u8 xfer_speed; u8 chipset_settings; @@ -140,7 +142,7 @@ static void aec_set_pio_mode(ide_drive_t static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev, const char *name) { - int bus_speed = system_bus_clock(); + int bus_speed = pci_clock ? pci_clock : system_bus_clock(); if (bus_speed <= 33) pci_set_drvdata(dev, (void *) aec6xxx_33_base); @@ -308,6 +310,9 @@ static int __init aec62xx_ide_init(void) module_init(aec62xx_ide_init); +module_param(pci_clock, int, 0); +MODULE_PARM_DESC(pci_clock, "PCI bus clock frequency (in MHz)"); + MODULE_AUTHOR("Andre Hedrick"); MODULE_DESCRIPTION("PCI driver module for ARTOP AEC62xx IDE"); MODULE_LICENSE("GPL");