lkml.org 
[lkml]   [2010]   [Jun]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH]: hpilo: fix pointer warning in ilo_ccb_setup [v2]
Fix i386 PAE compile warning:

drivers/misc/hpilo.c: In function ‘ilo_ccb_setup’:
drivers/misc/hpilo.c:274: warning: cast to pointer from integer of different size

dma_addr_t is 64 on i386 PAE which causes a size mismatch.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>

diff --git a/drivers/misc/hpilo.c b/drivers/misc/hpilo.c
index 98ad012..557a8c2 100644
--- a/drivers/misc/hpilo.c
+++ b/drivers/misc/hpilo.c
@@ -256,7 +256,8 @@ static void ilo_ccb_close(struct pci_dev *pdev, struct ccb_data *data)

static int ilo_ccb_setup(struct ilo_hwinfo *hw, struct ccb_data *data, int slot)
{
- char *dma_va, *dma_pa;
+ char *dma_va;
+ dma_addr_t dma_pa;
struct ccb *driver_ccb, *ilo_ccb;

driver_ccb = &data->driver_ccb;
@@ -272,12 +273,12 @@ static int ilo_ccb_setup(struct ilo_hwinfo *hw, struct ccb_data *data, int slot)
return -ENOMEM;

dma_va = (char *)data->dma_va;
- dma_pa = (char *)data->dma_pa;
+ dma_pa = data->dma_pa;

memset(dma_va, 0, data->dma_size);

dma_va = (char *)roundup((unsigned long)dma_va, ILO_START_ALIGN);
- dma_pa = (char *)roundup((unsigned long)dma_pa, ILO_START_ALIGN);
+ dma_pa = roundup(dma_pa, ILO_START_ALIGN);

/*
* Create two ccb's, one with virt addrs, one with phys addrs.
@@ -288,26 +289,26 @@ static int ilo_ccb_setup(struct ilo_hwinfo *hw, struct ccb_data *data, int slot)

fifo_setup(dma_va, NR_QENTRY);
driver_ccb->ccb_u1.send_fifobar = dma_va + FIFOHANDLESIZE;
- ilo_ccb->ccb_u1.send_fifobar = dma_pa + FIFOHANDLESIZE;
+ ilo_ccb->ccb_u1.send_fifobar_pa = dma_pa + FIFOHANDLESIZE;
dma_va += fifo_sz(NR_QENTRY);
dma_pa += fifo_sz(NR_QENTRY);

dma_va = (char *)roundup((unsigned long)dma_va, ILO_CACHE_SZ);
- dma_pa = (char *)roundup((unsigned long)dma_pa, ILO_CACHE_SZ);
+ dma_pa = roundup(dma_pa, ILO_CACHE_SZ);

fifo_setup(dma_va, NR_QENTRY);
driver_ccb->ccb_u3.recv_fifobar = dma_va + FIFOHANDLESIZE;
- ilo_ccb->ccb_u3.recv_fifobar = dma_pa + FIFOHANDLESIZE;
+ ilo_ccb->ccb_u3.recv_fifobar_pa = dma_pa + FIFOHANDLESIZE;
dma_va += fifo_sz(NR_QENTRY);
dma_pa += fifo_sz(NR_QENTRY);

driver_ccb->ccb_u2.send_desc = dma_va;
- ilo_ccb->ccb_u2.send_desc = dma_pa;
+ ilo_ccb->ccb_u2.send_desc_pa = dma_pa;
dma_pa += desc_mem_sz(NR_QENTRY);
dma_va += desc_mem_sz(NR_QENTRY);

driver_ccb->ccb_u4.recv_desc = dma_va;
- ilo_ccb->ccb_u4.recv_desc = dma_pa;
+ ilo_ccb->ccb_u4.recv_desc_pa = dma_pa;

driver_ccb->channel = slot;
ilo_ccb->channel = slot;
diff --git a/drivers/misc/hpilo.h b/drivers/misc/hpilo.h
index 247eb38..54e43ad 100644
--- a/drivers/misc/hpilo.h
+++ b/drivers/misc/hpilo.h
@@ -79,21 +79,21 @@ struct ilo_hwinfo {
struct ccb {
union {
char *send_fifobar;
- u64 padding1;
+ u64 send_fifobar_pa;
} ccb_u1;
union {
char *send_desc;
- u64 padding2;
+ u64 send_desc_pa;
} ccb_u2;
u64 send_ctrl;

union {
char *recv_fifobar;
- u64 padding3;
+ u64 recv_fifobar_pa;
} ccb_u3;
union {
char *recv_desc;
- u64 padding4;
+ u64 recv_desc_pa;
} ccb_u4;
u64 recv_ctrl;

--
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/
\
 
 \ /
  Last update: 2010-06-08 17:27    [W:0.033 / U:2.372 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site