Messages in this thread Patch in this message | | | Date | Mon, 24 Sep 2007 09:20:27 -0700 | From | Greg KH <> | Subject | [12/50] 3w-9xxx: Fix dma mask setting |
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From: Adam Radford <linuxraid@amcc.com>
[SCSI] 3w-9xxx: Fix dma mask setting
Extracted from commit 0e78d158b67fba3977f577f293c323359d80dd0e
The attached patch updates the 3ware 9000 driver:
- Fix dma mask setting to fallback to 32-bit if 64-bit fails.
Signed-off-by: Adam Radford <linuxraid@amcc.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com> Signed-off-by: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/scsi/3w-9xxx.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-)
--- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -4,7 +4,7 @@ Written By: Adam Radford <linuxraid@amcc.com> Modifications By: Tom Couch <linuxraid@amcc.com> - Copyright (C) 2004-2006 Applied Micro Circuits Corporation. + Copyright (C) 2004-2007 Applied Micro Circuits Corporation. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -69,6 +69,7 @@ 2.26.02.008 - Free irq handler in __twa_shutdown(). Serialize reset code. Add support for 9650SE controllers. + 2.26.02.009 - Fix dma mask setting to fallback to 32-bit if 64-bit fails. */ #include <linux/module.h> @@ -92,7 +93,7 @@ #include "3w-9xxx.h" /* Globals */ -#define TW_DRIVER_VERSION "2.26.02.008" +#define TW_DRIVER_VERSION "2.26.02.009" static TW_Device_Extension *twa_device_extension_list[TW_MAX_SLOT]; static unsigned int twa_device_extension_count; static int twa_major = -1; @@ -2063,11 +2064,14 @@ static int __devinit twa_probe(struct pc pci_set_master(pdev); - retval = pci_set_dma_mask(pdev, sizeof(dma_addr_t) > 4 ? DMA_64BIT_MASK : DMA_32BIT_MASK); - if (retval) { - TW_PRINTK(host, TW_DRIVER, 0x23, "Failed to set dma mask"); - goto out_disable_device; - } + if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) + || pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) + if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) + || pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) { + TW_PRINTK(host, TW_DRIVER, 0x23, "Failed to set dma mask"); + retval = -ENODEV; + goto out_disable_device; + } host = scsi_host_alloc(&driver_template, sizeof(TW_Device_Extension)); if (!host) { -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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