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Date: Tue, 8 Jun 2010 11:25:36 -0400
From: Prarit Bhargava <prarit@...hat.com>
To: linux-kernel@...r.kernel.org, stable@...nel.org,
tony.camuso@...com, david.altobelli@...com, dzickus@...hat.com
Cc: Prarit Bhargava <prarit@...hat.com>
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@...hat.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;
--
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