korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-26 05:34:13 +08:00
Code Issues Packages Projects Releases Wiki Activity

[SCSI] arcmsr: upper 32 of dma address lost

Browse Source 
The original code always set the upper 32 bits to zero because it was
doing a shift of the wrong variable.

Fixes: 1a4f550a09 ('[SCSI] arcmsr: 1.20.00.15: add SATA RAID plus other fixes')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Dan Carpenter 2014-02-11 19:06:33 +03:00 committed by James Bottomley
parent ee60b2c52e
commit e2c70425f0
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/scsi/arcmsr/arcmsr_hba.c
View File

@ -2500,16 +2500,15 @@ static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
{
uint32_t cdb_phyaddr, cdb_phyaddr_hi32;
dma_addr_t dma_coherent_handle;
/*
********************************************************************
** here we need to tell iop 331 our freeccb.HighPart
** if freeccb.HighPart is not zero
********************************************************************
*/
dma_coherent_handle = acb->dma_coherent_handle;
cdb_phyaddr = (uint32_t)(dma_coherent_handle);
cdb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16);
cdb_phyaddr = lower_32_bits(acb->dma_coherent_handle);
cdb_phyaddr_hi32 = upper_32_bits(acb->dma_coherent_handle);
acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32;
/*
***********************************************************************