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path: root/drivers/infiniband/hw/amso1100/c2.c
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Diffstat (limited to 'drivers/infiniband/hw/amso1100/c2.c')
-rw-r--r--drivers/infiniband/hw/amso1100/c2.c80
1 files changed, 43 insertions, 37 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2.c b/drivers/infiniband/hw/amso1100/c2.c
index f283a9f0c23b..113f3c03c5b5 100644
--- a/drivers/infiniband/hw/amso1100/c2.c
+++ b/drivers/infiniband/hw/amso1100/c2.c
@@ -130,10 +130,10 @@ static int c2_tx_ring_alloc(struct c2_ring *tx_ring, void *vaddr,
tx_desc->status = 0;
/* Set TXP_HTXD_UNINIT */
- __raw_writeq(cpu_to_be64(0x1122334455667788ULL),
+ __raw_writeq((__force u64) cpu_to_be64(0x1122334455667788ULL),
(void __iomem *) txp_desc + C2_TXP_ADDR);
__raw_writew(0, (void __iomem *) txp_desc + C2_TXP_LEN);
- __raw_writew(cpu_to_be16(TXP_HTXD_UNINIT),
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_UNINIT),
(void __iomem *) txp_desc + C2_TXP_FLAGS);
elem->skb = NULL;
@@ -179,13 +179,13 @@ static int c2_rx_ring_alloc(struct c2_ring *rx_ring, void *vaddr,
rx_desc->status = 0;
/* Set RXP_HRXD_UNINIT */
- __raw_writew(cpu_to_be16(RXP_HRXD_OK),
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_OK),
(void __iomem *) rxp_desc + C2_RXP_STATUS);
__raw_writew(0, (void __iomem *) rxp_desc + C2_RXP_COUNT);
__raw_writew(0, (void __iomem *) rxp_desc + C2_RXP_LEN);
- __raw_writeq(cpu_to_be64(0x99aabbccddeeffULL),
+ __raw_writeq((__force u64) cpu_to_be64(0x99aabbccddeeffULL),
(void __iomem *) rxp_desc + C2_RXP_ADDR);
- __raw_writew(cpu_to_be16(RXP_HRXD_UNINIT),
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_UNINIT),
(void __iomem *) rxp_desc + C2_RXP_FLAGS);
elem->skb = NULL;
@@ -239,10 +239,11 @@ static inline int c2_rx_alloc(struct c2_port *c2_port, struct c2_element *elem)
rxp_hdr->flags = RXP_HRXD_READY;
__raw_writew(0, elem->hw_desc + C2_RXP_STATUS);
- __raw_writew(cpu_to_be16((u16) maplen - sizeof(*rxp_hdr)),
+ __raw_writew((__force u16) cpu_to_be16((u16) maplen - sizeof(*rxp_hdr)),
elem->hw_desc + C2_RXP_LEN);
- __raw_writeq(cpu_to_be64(mapaddr), elem->hw_desc + C2_RXP_ADDR);
- __raw_writew(cpu_to_be16(RXP_HRXD_READY), elem->hw_desc + C2_RXP_FLAGS);
+ __raw_writeq((__force u64) cpu_to_be64(mapaddr), elem->hw_desc + C2_RXP_ADDR);
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_READY),
+ elem->hw_desc + C2_RXP_FLAGS);
elem->skb = skb;
elem->mapaddr = mapaddr;
@@ -290,9 +291,9 @@ static void c2_rx_clean(struct c2_port *c2_port)
__raw_writew(0, elem->hw_desc + C2_RXP_STATUS);
__raw_writew(0, elem->hw_desc + C2_RXP_COUNT);
__raw_writew(0, elem->hw_desc + C2_RXP_LEN);
- __raw_writeq(cpu_to_be64(0x99aabbccddeeffULL),
+ __raw_writeq((__force u64) cpu_to_be64(0x99aabbccddeeffULL),
elem->hw_desc + C2_RXP_ADDR);
- __raw_writew(cpu_to_be16(RXP_HRXD_UNINIT),
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_UNINIT),
elem->hw_desc + C2_RXP_FLAGS);
if (elem->skb) {
@@ -346,16 +347,16 @@ static void c2_tx_clean(struct c2_port *c2_port)
elem->hw_desc + C2_TXP_LEN);
__raw_writeq(0,
elem->hw_desc + C2_TXP_ADDR);
- __raw_writew(cpu_to_be16(TXP_HTXD_DONE),
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_DONE),
elem->hw_desc + C2_TXP_FLAGS);
c2_port->netstats.tx_dropped++;
break;
} else {
__raw_writew(0,
elem->hw_desc + C2_TXP_LEN);
- __raw_writeq(cpu_to_be64(0x1122334455667788ULL),
+ __raw_writeq((__force u64) cpu_to_be64(0x1122334455667788ULL),
elem->hw_desc + C2_TXP_ADDR);
- __raw_writew(cpu_to_be16(TXP_HTXD_UNINIT),
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_UNINIT),
elem->hw_desc + C2_TXP_FLAGS);
}
@@ -390,7 +391,7 @@ static void c2_tx_interrupt(struct net_device *netdev)
for (elem = tx_ring->to_clean; elem != tx_ring->to_use;
elem = elem->next) {
txp_htxd.flags =
- be16_to_cpu(readw(elem->hw_desc + C2_TXP_FLAGS));
+ be16_to_cpu((__force __be16) readw(elem->hw_desc + C2_TXP_FLAGS));
if (txp_htxd.flags != TXP_HTXD_DONE)
break;
@@ -398,7 +399,7 @@ static void c2_tx_interrupt(struct net_device *netdev)
if (netif_msg_tx_done(c2_port)) {
/* PCI reads are expensive in fast path */
txp_htxd.len =
- be16_to_cpu(readw(elem->hw_desc + C2_TXP_LEN));
+ be16_to_cpu((__force __be16) readw(elem->hw_desc + C2_TXP_LEN));
pr_debug("%s: tx done slot %3Zu status 0x%x len "
"%5u bytes\n",
netdev->name, elem - tx_ring->start,
@@ -448,10 +449,12 @@ static void c2_rx_error(struct c2_port *c2_port, struct c2_element *elem)
/* Write the descriptor to the adapter's rx ring */
__raw_writew(0, elem->hw_desc + C2_RXP_STATUS);
__raw_writew(0, elem->hw_desc + C2_RXP_COUNT);
- __raw_writew(cpu_to_be16((u16) elem->maplen - sizeof(*rxp_hdr)),
+ __raw_writew((__force u16) cpu_to_be16((u16) elem->maplen - sizeof(*rxp_hdr)),
elem->hw_desc + C2_RXP_LEN);
- __raw_writeq(cpu_to_be64(elem->mapaddr), elem->hw_desc + C2_RXP_ADDR);
- __raw_writew(cpu_to_be16(RXP_HRXD_READY), elem->hw_desc + C2_RXP_FLAGS);
+ __raw_writeq((__force u64) cpu_to_be64(elem->mapaddr),
+ elem->hw_desc + C2_RXP_ADDR);
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_READY),
+ elem->hw_desc + C2_RXP_FLAGS);
pr_debug("packet dropped\n");
c2_port->netstats.rx_dropped++;
@@ -653,7 +656,7 @@ static int c2_up(struct net_device *netdev)
i++, elem++) {
rxp_hdr = (struct c2_rxp_hdr *) elem->skb->data;
rxp_hdr->flags = 0;
- __raw_writew(cpu_to_be16(RXP_HRXD_READY),
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_READY),
elem->hw_desc + C2_RXP_FLAGS);
}
@@ -787,9 +790,12 @@ static int c2_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
elem->maplen = maplen;
/* Tell HW to xmit */
- __raw_writeq(cpu_to_be64(mapaddr), elem->hw_desc + C2_TXP_ADDR);
- __raw_writew(cpu_to_be16(maplen), elem->hw_desc + C2_TXP_LEN);
- __raw_writew(cpu_to_be16(TXP_HTXD_READY), elem->hw_desc + C2_TXP_FLAGS);
+ __raw_writeq((__force u64) cpu_to_be64(mapaddr),
+ elem->hw_desc + C2_TXP_ADDR);
+ __raw_writew((__force u16) cpu_to_be16(maplen),
+ elem->hw_desc + C2_TXP_LEN);
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_READY),
+ elem->hw_desc + C2_TXP_FLAGS);
c2_port->netstats.tx_packets++;
c2_port->netstats.tx_bytes += maplen;
@@ -810,11 +816,11 @@ static int c2_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
elem->maplen = maplen;
/* Tell HW to xmit */
- __raw_writeq(cpu_to_be64(mapaddr),
+ __raw_writeq((__force u64) cpu_to_be64(mapaddr),
elem->hw_desc + C2_TXP_ADDR);
- __raw_writew(cpu_to_be16(maplen),
+ __raw_writew((__force u16) cpu_to_be16(maplen),
elem->hw_desc + C2_TXP_LEN);
- __raw_writew(cpu_to_be16(TXP_HTXD_READY),
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_READY),
elem->hw_desc + C2_TXP_FLAGS);
c2_port->netstats.tx_packets++;
@@ -1005,7 +1011,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
/* Remap the adapter PCI registers in BAR4 */
mmio_regs = ioremap_nocache(reg4_start + C2_PCI_REGS_OFFSET,
sizeof(struct c2_adapter_pci_regs));
- if (mmio_regs == 0UL) {
+ if (!mmio_regs) {
printk(KERN_ERR PFX
"Unable to remap adapter PCI registers in BAR4\n");
ret = -EIO;
@@ -1029,10 +1035,10 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
}
/* Validate the adapter version */
- if (be32_to_cpu(readl(mmio_regs + C2_REGS_VERS)) != C2_VERSION) {
+ if (be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_VERS)) != C2_VERSION) {
printk(KERN_ERR PFX "Version mismatch "
"[fw=%u, c2=%u], Adapter not claimed\n",
- be32_to_cpu(readl(mmio_regs + C2_REGS_VERS)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_VERS)),
C2_VERSION);
ret = -EINVAL;
iounmap(mmio_regs);
@@ -1040,12 +1046,12 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
}
/* Validate the adapter IVN */
- if (be32_to_cpu(readl(mmio_regs + C2_REGS_IVN)) != C2_IVN) {
+ if (be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_IVN)) != C2_IVN) {
printk(KERN_ERR PFX "Downlevel FIrmware level. You should be using "
"the OpenIB device support kit. "
"[fw=0x%x, c2=0x%x], Adapter not claimed\n",
- be32_to_cpu(readl(mmio_regs + C2_REGS_IVN)),
- C2_IVN);
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_IVN)),
+ C2_IVN);
ret = -EINVAL;
iounmap(mmio_regs);
goto bail2;
@@ -1068,7 +1074,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
/* Get the last RX index */
c2dev->cur_rx =
- (be32_to_cpu(readl(mmio_regs + C2_REGS_HRX_CUR)) -
+ (be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_HRX_CUR)) -
0xffffc000) / sizeof(struct c2_rxp_desc);
/* Request an interrupt line for the driver */
@@ -1090,7 +1096,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
}
/* Save off the actual size prior to unmapping mmio_regs */
- kva_map_size = be32_to_cpu(readl(mmio_regs + C2_REGS_PCI_WINSIZE));
+ kva_map_size = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_PCI_WINSIZE));
/* Unmap the adapter PCI registers in BAR4 */
iounmap(mmio_regs);
@@ -1109,7 +1115,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
/* Remap the adapter HRXDQ PA space to kernel VA space */
c2dev->mmio_rxp_ring = ioremap_nocache(reg4_start + C2_RXP_HRXDQ_OFFSET,
C2_RXP_HRXDQ_SIZE);
- if (c2dev->mmio_rxp_ring == 0UL) {
+ if (!c2dev->mmio_rxp_ring) {
printk(KERN_ERR PFX "Unable to remap MMIO HRXDQ region\n");
ret = -EIO;
goto bail6;
@@ -1118,7 +1124,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
/* Remap the adapter HTXDQ PA space to kernel VA space */
c2dev->mmio_txp_ring = ioremap_nocache(reg4_start + C2_TXP_HTXDQ_OFFSET,
C2_TXP_HTXDQ_SIZE);
- if (c2dev->mmio_txp_ring == 0UL) {
+ if (!c2dev->mmio_txp_ring) {
printk(KERN_ERR PFX "Unable to remap MMIO HTXDQ region\n");
ret = -EIO;
goto bail7;
@@ -1129,7 +1135,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
/* Remap the PCI registers in adapter BAR0 to kernel VA space */
c2dev->regs = ioremap_nocache(reg0_start, reg0_len);
- if (c2dev->regs == 0UL) {
+ if (!c2dev->regs) {
printk(KERN_ERR PFX "Unable to remap BAR0\n");
ret = -EIO;
goto bail8;
@@ -1139,7 +1145,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
c2dev->pa = reg4_start + C2_PCI_REGS_OFFSET;
c2dev->kva = ioremap_nocache(reg4_start + C2_PCI_REGS_OFFSET,
kva_map_size);
- if (c2dev->kva == 0UL) {
+ if (!c2dev->kva) {
printk(KERN_ERR PFX "Unable to remap BAR4\n");
ret = -EIO;
goto bail9;
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-30 17:53:02 +0000