From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: [PATCH 1/12] ali14xx: add "vlb_clock=" parameter Date: Thu, 13 Mar 2008 23:43:52 +0100 Message-ID: <20080313224352.7051.44005.sendpatchset@localhost.localdomain> Return-path: Received: from fk-out-0910.google.com ([209.85.128.190]:64877 "EHLO fk-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752279AbYCMW3N (ORCPT ); Thu, 13 Mar 2008 18:29:13 -0400 Received: by fk-out-0910.google.com with SMTP id z23so3586994fkz.5 for ; Thu, 13 Mar 2008 15:29:10 -0700 (PDT) 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 "vlb_clock=" parameter for specifying VLB clock frequency (in MHz). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/legacy/ali14xx.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) Index: b/drivers/ide/legacy/ali14xx.c =================================================================== --- a/drivers/ide/legacy/ali14xx.c +++ b/drivers/ide/legacy/ali14xx.c @@ -51,6 +51,8 @@ #define DRV_NAME "ali14xx" +static int vlb_clock; + /* port addresses for auto-detection */ #define ALI_NUM_PORTS 4 static const int ports[ALI_NUM_PORTS] __initdata = @@ -116,7 +118,7 @@ static void ali14xx_set_pio_mode(ide_dri int time1, time2; u8 param1, param2, param3, param4; unsigned long flags; - int bus_speed = system_bus_clock(); + int bus_speed = vlb_clock ? vlb_clock : system_bus_clock(); /* calculate timing, according to PIO mode */ time1 = ide_pio_cycle_time(drive, pio); @@ -225,6 +227,9 @@ static int probe_ali14xx; module_param_named(probe, probe_ali14xx, bool, 0); MODULE_PARM_DESC(probe, "probe for ALI M14xx chipsets"); +module_param(vlb_clock, int, 0); +MODULE_PARM_DESC(vlb_clock, "VLB clock frequency (in MHz)"); + static int __init ali14xx_init(void) { if (probe_ali14xx == 0)