From a9c2f18800753c82c45fc13b27bdc148849bdbb2 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Wed, 1 Aug 2007 20:30:36 +0200 Subject: [PATCH] ieee1394: revert "sbp2: enforce 32bit DMA mapping" Revert commit 0555659d63c285ceb7ead3115532e1b71b0f27a7 from 2.6.22-rc1. The dma_set_mask call somehow failed on a PowerMac G5, PPC64: http://lkml.org/lkml/2007/8/1/344 Should there ever occur a DMA mapping beyond the physical DMA range, a proper SBP-2 firmware will report transport errors. So let's leave it at that. Signed-off-by: Stefan Richter Tested-by: Olaf Hering --- drivers/ieee1394/sbp2.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index e882cb951b47..47dbe8f17e82 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -773,11 +773,6 @@ static struct sbp2_lu *sbp2_alloc_device(struct unit_directory *ud) SBP2_ERR("failed to register lower 4GB address range"); goto failed_alloc; } -#else - if (dma_set_mask(hi->host->device.parent, DMA_32BIT_MASK)) { - SBP2_ERR("failed to set 4GB DMA mask"); - goto failed_alloc; - } #endif } -- GitLab