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authorAlan Cox <alan@redhat.com>2008-06-18 01:21:18 +0200
committerDavid S. Miller <davem@davemloft.net>2008-06-18 01:21:18 +0200
commit97928f7021dc70f268037e9a7ea18a7345762fca (patch)
tree40a3b9c4cac5960de3c97e5dc3164a71d340f64a
parentatm: use const where reasonable (diff)
downloadlinux-97928f7021dc70f268037e9a7ea18a7345762fca.tar.xz
linux-97928f7021dc70f268037e9a7ea18a7345762fca.zip
atm: [iphase] 64-bit cleanup
This fixes the most obvious 64-bit problems, but it is still very very broken in other aspects. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/atm/Kconfig2
-rw-r--r--drivers/atm/iphase.c23
2 files changed, 11 insertions, 14 deletions
diff --git a/drivers/atm/Kconfig b/drivers/atm/Kconfig
index b554edac1ced..1c7ae30af15e 100644
--- a/drivers/atm/Kconfig
+++ b/drivers/atm/Kconfig
@@ -294,7 +294,7 @@ config ATM_HORIZON_DEBUG
config ATM_IA
tristate "Interphase ATM PCI x575/x525/x531"
- depends on PCI && !64BIT
+ depends on PCI
---help---
This is a driver for the Interphase (i)ChipSAR adapter cards
which include a variety of variants in term of the size of the
diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
index 14e4638759a6..24df73ad326d 100644
--- a/drivers/atm/iphase.c
+++ b/drivers/atm/iphase.c
@@ -89,10 +89,6 @@ module_param(IADebugFlag, uint, 0644);
MODULE_LICENSE("GPL");
-#if BITS_PER_LONG != 32
-# error FIXME: this driver only works on 32-bit platforms
-#endif
-
/**************************** IA_LIB **********************************/
static void ia_init_rtn_q (IARTN_Q *que)
@@ -1406,7 +1402,6 @@ static int rx_init(struct atm_dev *dev)
struct abr_vc_table *abr_vc_table;
u16 *vc_table;
u16 *reass_table;
- u16 *ptr16;
int i,j, vcsize_sel;
u_short freeq_st_adr;
u_short *freeq_start;
@@ -1421,14 +1416,15 @@ static int rx_init(struct atm_dev *dev)
printk(KERN_ERR DEV_LABEL "can't allocate DLEs\n");
goto err_out;
}
- iadev->rx_dle_q.start = (struct dle*)dle_addr;
+ iadev->rx_dle_q.start = (struct dle *)dle_addr;
iadev->rx_dle_q.read = iadev->rx_dle_q.start;
iadev->rx_dle_q.write = iadev->rx_dle_q.start;
- iadev->rx_dle_q.end = (struct dle*)((u32)dle_addr+sizeof(struct dle)*DLE_ENTRIES);
+ iadev->rx_dle_q.end = (struct dle*)((unsigned long)dle_addr+sizeof(struct dle)*DLE_ENTRIES);
/* the end of the dle q points to the entry after the last
DLE that can be used. */
/* write the upper 20 bits of the start address to rx list address register */
+ /* We know this is 32bit bus addressed so the following is safe */
writel(iadev->rx_dle_dma & 0xfffff000,
iadev->dma + IPHASE5575_RX_LIST_ADDR);
IF_INIT(printk("Tx Dle list addr: 0x%08x value: 0x%0x\n",
@@ -1582,11 +1578,12 @@ static int rx_init(struct atm_dev *dev)
Set Packet Aging Interval count register to overflow in about 4 us
*/
writew(0xF6F8, iadev->reass_reg+PKT_TM_CNT );
- ptr16 = (u16*)j;
- i = ((u32)ptr16 >> 6) & 0xff;
- ptr16 += j - 1;
- i |=(((u32)ptr16 << 2) & 0xff00);
+
+ i = (j >> 6) & 0xFF;
+ j += 2 * (j - 1);
+ i |= ((j << 2) & 0xFF00);
writew(i, iadev->reass_reg+TMOUT_RANGE);
+
/* initiate the desc_tble */
for(i=0; i<iadev->num_tx_desc;i++)
iadev->desc_tbl[i].timestamp = 0;
@@ -1909,7 +1906,7 @@ static int tx_init(struct atm_dev *dev)
iadev->tx_dle_q.start = (struct dle*)dle_addr;
iadev->tx_dle_q.read = iadev->tx_dle_q.start;
iadev->tx_dle_q.write = iadev->tx_dle_q.start;
- iadev->tx_dle_q.end = (struct dle*)((u32)dle_addr+sizeof(struct dle)*DLE_ENTRIES);
+ iadev->tx_dle_q.end = (struct dle*)((unsigned long)dle_addr+sizeof(struct dle)*DLE_ENTRIES);
/* write the upper 20 bits of the start address to tx list address register */
writel(iadev->tx_dle_dma & 0xfffff000,
@@ -2902,7 +2899,7 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
dev_kfree_skb_any(skb);
return 0;
}
- if ((u32)skb->data & 3) {
+ if ((unsigned long)skb->data & 3) {
printk("Misaligned SKB\n");
if (vcc->pop)
vcc->pop(vcc, skb);