staging: slicoss: Remove dma_addr_t cast compilation warnings

Eliminate some warnings by casting to unsigned long before
casting a dma_addr_t value to a pointer.

btw:

Does slicoss always work on x86-32?
Is a pshmem guaranteed to be accessible
by a 32 bit address?

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index 58a00c2db33b62094344e94d3f18ec091328c63c..c8375a26816b2b1799c760c40e2a4e441f93713f 100644 (file)
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -999,7 +999,8 @@ static void slic_link_upr_complete(struct adapter *adapter, u32 isr)
        if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
                struct slic_shmem *pshmem;
 
-               pshmem = (struct slic_shmem *)adapter->phys_shmem;
+               pshmem = (struct slic_shmem *)(unsigned long)
+                        adapter->phys_shmem;
 #if BITS_PER_LONG == 64
                slic_upr_queue_request(adapter,
                                       SLIC_UPR_RLSR,
@@ -1631,10 +1632,11 @@ retry_rcvqfill:
 #endif
                skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC);
                if (skb) {
-                       paddr = (void *)pci_map_single(adapter->pcidev,
-                                                         skb->data,
-                                                         SLIC_RCVQ_RCVBUFSIZE,
-                                                         PCI_DMA_FROMDEVICE);
+                       paddr = (void *)(unsigned long)
+                               pci_map_single(adapter->pcidev,
+                                              skb->data,
+                                              SLIC_RCVQ_RCVBUFSIZE,
+                                              PCI_DMA_FROMDEVICE);
                        paddrl = SLIC_GET_ADDR_LOW(paddr);
                        paddrh = SLIC_GET_ADDR_HIGH(paddr);
 
@@ -1781,8 +1783,9 @@ static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb)
        struct slic_rcvbuf *rcvbuf = (struct slic_rcvbuf *)skb->head;
        struct device *dev;
 
-       paddr = (void *)pci_map_single(adapter->pcidev, skb->head,
-                                 SLIC_RCVQ_RCVBUFSIZE, PCI_DMA_FROMDEVICE);
+       paddr = (void *)(unsigned long)
+               pci_map_single(adapter->pcidev, skb->head,
+                              SLIC_RCVQ_RCVBUFSIZE, PCI_DMA_FROMDEVICE);
        rcvbuf->status = 0;
        skb->next = NULL;
 
@@ -2279,7 +2282,7 @@ static void slic_link_event_handler(struct adapter *adapter)
                return;
        }
 
-       pshmem = (struct slic_shmem *)adapter->phys_shmem;
+       pshmem = (struct slic_shmem *)(unsigned long)adapter->phys_shmem;
 
 #if BITS_PER_LONG == 64
        status = slic_upr_request(adapter,
@@ -2306,7 +2309,7 @@ static void slic_init_cleanup(struct adapter *adapter)
                                    sizeof(struct slic_shmem),
                                    adapter->pshmem, adapter->phys_shmem);
                adapter->pshmem = NULL;
-               adapter->phys_shmem = (dma_addr_t) NULL;
+               adapter->phys_shmem = (dma_addr_t)(unsigned long)NULL;
        }
 
        if (adapter->pingtimerset) {
@@ -2880,7 +2883,8 @@ static int slic_if_init(struct adapter *adapter)
        mdelay(1);
 
        if (!adapter->isp_initialized) {
-               pshmem = (struct slic_shmem *)adapter->phys_shmem;
+               pshmem = (struct slic_shmem *)(unsigned long)
+                        adapter->phys_shmem;
 
                spin_lock_irqsave(&adapter->bit64reglock.lock,
                                        adapter->bit64reglock.flags);
@@ -3282,7 +3286,8 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
                }
                slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
                mdelay(1);
-               pshmem = (struct slic_shmem *)adapter->phys_shmem;
+               pshmem = (struct slic_shmem *)(unsigned long)
+                        adapter->phys_shmem;
 
                spin_lock_irqsave(&adapter->bit64reglock.lock,
                                        adapter->bit64reglock.flags);