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-rw-r--r--drivers/net/can/sja1000/ems_pci.c36
-rw-r--r--drivers/net/can/sja1000/kvaser_pci.c21
-rw-r--r--drivers/net/can/sja1000/sja1000.c108
-rw-r--r--drivers/net/can/sja1000/sja1000.h9
-rw-r--r--drivers/net/can/sja1000/sja1000_platform.c19
5 files changed, 95 insertions, 98 deletions
diff --git a/drivers/net/can/sja1000/ems_pci.c b/drivers/net/can/sja1000/ems_pci.c
index 88a4649c2ce..121b64101d7 100644
--- a/drivers/net/can/sja1000/ems_pci.c
+++ b/drivers/net/can/sja1000/ems_pci.c
@@ -99,25 +99,21 @@ MODULE_DEVICE_TABLE(pci, ems_pci_tbl);
*/
static u8 ems_pci_readb(struct ems_pci_card *card, unsigned int port)
{
- return readb((void __iomem *)card->base_addr
- + (port * EMS_PCI_PORT_BYTES));
+ return readb(card->base_addr + (port * EMS_PCI_PORT_BYTES));
}
-static u8 ems_pci_read_reg(const struct net_device *dev, int port)
+static u8 ems_pci_read_reg(const struct sja1000_priv *priv, int port)
{
- return readb((void __iomem *)dev->base_addr
- + (port * EMS_PCI_PORT_BYTES));
+ return readb(priv->reg_base + (port * EMS_PCI_PORT_BYTES));
}
-static void ems_pci_write_reg(const struct net_device *dev, int port, u8 val)
+static void ems_pci_write_reg(const struct sja1000_priv *priv, int port, u8 val)
{
- writeb(val, (void __iomem *)dev->base_addr
- + (port * EMS_PCI_PORT_BYTES));
+ writeb(val, priv->reg_base + (port * EMS_PCI_PORT_BYTES));
}
-static void ems_pci_post_irq(const struct net_device *dev)
+static void ems_pci_post_irq(const struct sja1000_priv *priv)
{
- struct sja1000_priv *priv = netdev_priv(dev);
struct ems_pci_card *card = (struct ems_pci_card *)priv->priv;
/* reset int flag of pita */
@@ -129,17 +125,17 @@ static void ems_pci_post_irq(const struct net_device *dev)
* Check if a CAN controller is present at the specified location
* by trying to set 'em into the PeliCAN mode
*/
-static inline int ems_pci_check_chan(struct net_device *dev)
+static inline int ems_pci_check_chan(const struct sja1000_priv *priv)
{
unsigned char res;
/* Make sure SJA1000 is in reset mode */
- ems_pci_write_reg(dev, REG_MOD, 1);
+ ems_pci_write_reg(priv, REG_MOD, 1);
- ems_pci_write_reg(dev, REG_CDR, CDR_PELICAN);
+ ems_pci_write_reg(priv, REG_CDR, CDR_PELICAN);
/* read reset-values */
- res = ems_pci_read_reg(dev, REG_CDR);
+ res = ems_pci_read_reg(priv, REG_CDR);
if (res == CDR_PELICAN)
return 1;
@@ -257,12 +253,11 @@ static int __devinit ems_pci_add_card(struct pci_dev *pdev,
priv->irq_flags = IRQF_SHARED;
dev->irq = pdev->irq;
- dev->base_addr = (unsigned long)(card->base_addr
- + EMS_PCI_CAN_BASE_OFFSET
- + (i * EMS_PCI_CAN_CTRL_SIZE));
+ priv->reg_base = card->base_addr + EMS_PCI_CAN_BASE_OFFSET
+ + (i * EMS_PCI_CAN_CTRL_SIZE);
/* Check if channel is present */
- if (ems_pci_check_chan(dev)) {
+ if (ems_pci_check_chan(priv)) {
priv->read_reg = ems_pci_read_reg;
priv->write_reg = ems_pci_write_reg;
priv->post_irq = ems_pci_post_irq;
@@ -286,9 +281,8 @@ static int __devinit ems_pci_add_card(struct pci_dev *pdev,
card->channels++;
- dev_info(&pdev->dev, "Channel #%d at %#lX, irq %d\n",
- i + 1, dev->base_addr,
- dev->irq);
+ dev_info(&pdev->dev, "Channel #%d at 0x%p, irq %d\n",
+ i + 1, priv->reg_base, dev->irq);
} else {
free_sja1000dev(dev);
}
diff --git a/drivers/net/can/sja1000/kvaser_pci.c b/drivers/net/can/sja1000/kvaser_pci.c
index 00830b358c4..7dd7769b971 100644
--- a/drivers/net/can/sja1000/kvaser_pci.c
+++ b/drivers/net/can/sja1000/kvaser_pci.c
@@ -117,14 +117,15 @@ static struct pci_device_id kvaser_pci_tbl[] = {
MODULE_DEVICE_TABLE(pci, kvaser_pci_tbl);
-static u8 kvaser_pci_read_reg(const struct net_device *dev, int port)
+static u8 kvaser_pci_read_reg(const struct sja1000_priv *priv, int port)
{
- return ioread8((void __iomem *)(dev->base_addr + port));
+ return ioread8(priv->reg_base + port);
}
-static void kvaser_pci_write_reg(const struct net_device *dev, int port, u8 val)
+static void kvaser_pci_write_reg(const struct sja1000_priv *priv,
+ int port, u8 val)
{
- iowrite8(val, (void __iomem *)(dev->base_addr + port));
+ iowrite8(val, priv->reg_base + port);
}
static void kvaser_pci_disable_irq(struct net_device *dev)
@@ -199,7 +200,7 @@ static void kvaser_pci_del_chan(struct net_device *dev)
}
unregister_sja1000dev(dev);
- pci_iounmap(board->pci_dev, (void __iomem *)dev->base_addr);
+ pci_iounmap(board->pci_dev, priv->reg_base);
pci_iounmap(board->pci_dev, board->conf_addr);
pci_iounmap(board->pci_dev, board->res_addr);
@@ -210,7 +211,7 @@ static int kvaser_pci_add_chan(struct pci_dev *pdev, int channel,
struct net_device **master_dev,
void __iomem *conf_addr,
void __iomem *res_addr,
- unsigned long base_addr)
+ void __iomem *base_addr)
{
struct net_device *dev;
struct sja1000_priv *priv;
@@ -252,7 +253,7 @@ static int kvaser_pci_add_chan(struct pci_dev *pdev, int channel,
board->xilinx_ver = master_board->xilinx_ver;
}
- dev->base_addr = base_addr + channel * KVASER_PCI_PORT_BYTES;
+ priv->reg_base = base_addr + channel * KVASER_PCI_PORT_BYTES;
priv->read_reg = kvaser_pci_read_reg;
priv->write_reg = kvaser_pci_write_reg;
@@ -267,8 +268,8 @@ static int kvaser_pci_add_chan(struct pci_dev *pdev, int channel,
init_step = 4;
- dev_info(&pdev->dev, "base_addr=%#lx conf_addr=%p irq=%d\n",
- dev->base_addr, board->conf_addr, dev->irq);
+ dev_info(&pdev->dev, "reg_base=%p conf_addr=%p irq=%d\n",
+ priv->reg_base, board->conf_addr, dev->irq);
SET_NETDEV_DEV(dev, &pdev->dev);
@@ -343,7 +344,7 @@ static int __devinit kvaser_pci_init_one(struct pci_dev *pdev,
for (i = 0; i < no_channels; i++) {
err = kvaser_pci_add_chan(pdev, i, &master_dev,
conf_addr, res_addr,
- (unsigned long)base_addr);
+ base_addr);
if (err)
goto failure_cleanup;
}
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index b689964f182..571f133a8fe 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -89,7 +89,7 @@ static int sja1000_probe_chip(struct net_device *dev)
{
struct sja1000_priv *priv = netdev_priv(dev);
- if (dev->base_addr && (priv->read_reg(dev, 0) == 0xFF)) {
+ if (priv->reg_base && (priv->read_reg(priv, 0) == 0xFF)) {
printk(KERN_INFO "%s: probing @0x%lX failed\n",
DRV_NAME, dev->base_addr);
return 0;
@@ -100,11 +100,11 @@ static int sja1000_probe_chip(struct net_device *dev)
static void set_reset_mode(struct net_device *dev)
{
struct sja1000_priv *priv = netdev_priv(dev);
- unsigned char status = priv->read_reg(dev, REG_MOD);
+ unsigned char status = priv->read_reg(priv, REG_MOD);
int i;
/* disable interrupts */
- priv->write_reg(dev, REG_IER, IRQ_OFF);
+ priv->write_reg(priv, REG_IER, IRQ_OFF);
for (i = 0; i < 100; i++) {
/* check reset bit */
@@ -113,9 +113,9 @@ static void set_reset_mode(struct net_device *dev)
return;
}
- priv->write_reg(dev, REG_MOD, MOD_RM); /* reset chip */
+ priv->write_reg(priv, REG_MOD, MOD_RM); /* reset chip */
udelay(10);
- status = priv->read_reg(dev, REG_MOD);
+ status = priv->read_reg(priv, REG_MOD);
}
dev_err(dev->dev.parent, "setting SJA1000 into reset mode failed!\n");
@@ -124,7 +124,7 @@ static void set_reset_mode(struct net_device *dev)
static void set_normal_mode(struct net_device *dev)
{
struct sja1000_priv *priv = netdev_priv(dev);
- unsigned char status = priv->read_reg(dev, REG_MOD);
+ unsigned char status = priv->read_reg(priv, REG_MOD);
int i;
for (i = 0; i < 100; i++) {
@@ -132,14 +132,14 @@ static void set_normal_mode(struct net_device *dev)
if ((status & MOD_RM) == 0) {
priv->can.state = CAN_STATE_ERROR_ACTIVE;
/* enable all interrupts */
- priv->write_reg(dev, REG_IER, IRQ_ALL);
+ priv->write_reg(priv, REG_IER, IRQ_ALL);
return;
}
/* set chip to normal mode */
- priv->write_reg(dev, REG_MOD, 0x00);
+ priv->write_reg(priv, REG_MOD, 0x00);
udelay(10);
- status = priv->read_reg(dev, REG_MOD);
+ status = priv->read_reg(priv, REG_MOD);
}
dev_err(dev->dev.parent, "setting SJA1000 into normal mode failed!\n");
@@ -154,9 +154,9 @@ static void sja1000_start(struct net_device *dev)
set_reset_mode(dev);
/* Clear error counters and error code capture */
- priv->write_reg(dev, REG_TXERR, 0x0);
- priv->write_reg(dev, REG_RXERR, 0x0);
- priv->read_reg(dev, REG_ECC);
+ priv->write_reg(priv, REG_TXERR, 0x0);
+ priv->write_reg(priv, REG_RXERR, 0x0);
+ priv->read_reg(priv, REG_ECC);
/* leave reset mode */
set_normal_mode(dev);
@@ -198,8 +198,8 @@ static int sja1000_set_bittiming(struct net_device *dev)
dev_info(dev->dev.parent,
"setting BTR0=0x%02x BTR1=0x%02x\n", btr0, btr1);
- priv->write_reg(dev, REG_BTR0, btr0);
- priv->write_reg(dev, REG_BTR1, btr1);
+ priv->write_reg(priv, REG_BTR0, btr0);
+ priv->write_reg(priv, REG_BTR1, btr1);
return 0;
}
@@ -217,20 +217,20 @@ static void chipset_init(struct net_device *dev)
struct sja1000_priv *priv = netdev_priv(dev);
/* set clock divider and output control register */
- priv->write_reg(dev, REG_CDR, priv->cdr | CDR_PELICAN);
+ priv->write_reg(priv, REG_CDR, priv->cdr | CDR_PELICAN);
/* set acceptance filter (accept all) */
- priv->write_reg(dev, REG_ACCC0, 0x00);
- priv->write_reg(dev, REG_ACCC1, 0x00);
- priv->write_reg(dev, REG_ACCC2, 0x00);
- priv->write_reg(dev, REG_ACCC3, 0x00);
+ priv->write_reg(priv, REG_ACCC0, 0x00);
+ priv->write_reg(priv, REG_ACCC1, 0x00);
+ priv->write_reg(priv, REG_ACCC2, 0x00);
+ priv->write_reg(priv, REG_ACCC3, 0x00);
- priv->write_reg(dev, REG_ACCM0, 0xFF);
- priv->write_reg(dev, REG_ACCM1, 0xFF);
- priv->write_reg(dev, REG_ACCM2, 0xFF);
- priv->write_reg(dev, REG_ACCM3, 0xFF);
+ priv->write_reg(priv, REG_ACCM0, 0xFF);
+ priv->write_reg(priv, REG_ACCM1, 0xFF);
+ priv->write_reg(priv, REG_ACCM2, 0xFF);
+ priv->write_reg(priv, REG_ACCM3, 0xFF);
- priv->write_reg(dev, REG_OCR, priv->ocr | OCR_MODE_NORMAL);
+ priv->write_reg(priv, REG_OCR, priv->ocr | OCR_MODE_NORMAL);
}
/*
@@ -261,27 +261,27 @@ static int sja1000_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (id & CAN_EFF_FLAG) {
fi |= FI_FF;
dreg = EFF_BUF;
- priv->write_reg(dev, REG_FI, fi);
- priv->write_reg(dev, REG_ID1, (id & 0x1fe00000) >> (5 + 16));
- priv->write_reg(dev, REG_ID2, (id & 0x001fe000) >> (5 + 8));
- priv->write_reg(dev, REG_ID3, (id & 0x00001fe0) >> 5);
- priv->write_reg(dev, REG_ID4, (id & 0x0000001f) << 3);
+ priv->write_reg(priv, REG_FI, fi);
+ priv->write_reg(priv, REG_ID1, (id & 0x1fe00000) >> (5 + 16));
+ priv->write_reg(priv, REG_ID2, (id & 0x001fe000) >> (5 + 8));
+ priv->write_reg(priv, REG_ID3, (id & 0x00001fe0) >> 5);
+ priv->write_reg(priv, REG_ID4, (id & 0x0000001f) << 3);
} else {
dreg = SFF_BUF;
- priv->write_reg(dev, REG_FI, fi);
- priv->write_reg(dev, REG_ID1, (id & 0x000007f8) >> 3);
- priv->write_reg(dev, REG_ID2, (id & 0x00000007) << 5);
+ priv->write_reg(priv, REG_FI, fi);
+ priv->write_reg(priv, REG_ID1, (id & 0x000007f8) >> 3);
+ priv->write_reg(priv, REG_ID2, (id & 0x00000007) << 5);
}
for (i = 0; i < dlc; i++)
- priv->write_reg(dev, dreg++, cf->data[i]);
+ priv->write_reg(priv, dreg++, cf->data[i]);
stats->tx_bytes += dlc;
dev->trans_start = jiffies;
can_put_echo_skb(skb, dev, 0);
- priv->write_reg(dev, REG_CMR, CMD_TR);
+ priv->write_reg(priv, REG_CMR, CMD_TR);
return 0;
}
@@ -304,22 +304,22 @@ static void sja1000_rx(struct net_device *dev)
skb->dev = dev;
skb->protocol = htons(ETH_P_CAN);
- fi = priv->read_reg(dev, REG_FI);
+ fi = priv->read_reg(priv, REG_FI);
dlc = fi & 0x0F;
if (fi & FI_FF) {
/* extended frame format (EFF) */
dreg = EFF_BUF;
- id = (priv->read_reg(dev, REG_ID1) << (5 + 16))
- | (priv->read_reg(dev, REG_ID2) << (5 + 8))
- | (priv->read_reg(dev, REG_ID3) << 5)
- | (priv->read_reg(dev, REG_ID4) >> 3);
+ id = (priv->read_reg(priv, REG_ID1) << (5 + 16))
+ | (priv->read_reg(priv, REG_ID2) << (5 + 8))
+ | (priv->read_reg(priv, REG_ID3) << 5)
+ | (priv->read_reg(priv, REG_ID4) >> 3);
id |= CAN_EFF_FLAG;
} else {
/* standard frame format (SFF) */
dreg = SFF_BUF;
- id = (priv->read_reg(dev, REG_ID1) << 3)
- | (priv->read_reg(dev, REG_ID2) >> 5);
+ id = (priv->read_reg(priv, REG_ID1) << 3)
+ | (priv->read_reg(priv, REG_ID2) >> 5);
}
if (fi & FI_RTR)
@@ -330,13 +330,13 @@ static void sja1000_rx(struct net_device *dev)
cf->can_id = id;
cf->can_dlc = dlc;
for (i = 0; i < dlc; i++)
- cf->data[i] = priv->read_reg(dev, dreg++);
+ cf->data[i] = priv->read_reg(priv, dreg++);
while (i < 8)
cf->data[i++] = 0;
/* release receive buffer */
- priv->write_reg(dev, REG_CMR, CMD_RRB);
+ priv->write_reg(priv, REG_CMR, CMD_RRB);
netif_rx(skb);
@@ -371,7 +371,7 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status)
cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
stats->rx_over_errors++;
stats->rx_errors++;
- priv->write_reg(dev, REG_CMR, CMD_CDO); /* clear bit */
+ priv->write_reg(priv, REG_CMR, CMD_CDO); /* clear bit */
}
if (isrc & IRQ_EI) {
@@ -392,7 +392,7 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status)
priv->can.can_stats.bus_error++;
stats->rx_errors++;
- ecc = priv->read_reg(dev, REG_ECC);
+ ecc = priv->read_reg(priv, REG_ECC);
cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;
@@ -426,7 +426,7 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status)
if (isrc & IRQ_ALI) {
/* arbitration lost interrupt */
dev_dbg(dev->dev.parent, "arbitration lost interrupt\n");
- alc = priv->read_reg(dev, REG_ALC);
+ alc = priv->read_reg(priv, REG_ALC);
priv->can.can_stats.arbitration_lost++;
stats->rx_errors++;
cf->can_id |= CAN_ERR_LOSTARB;
@@ -435,8 +435,8 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status)
if (state != priv->can.state && (state == CAN_STATE_ERROR_WARNING ||
state == CAN_STATE_ERROR_PASSIVE)) {
- uint8_t rxerr = priv->read_reg(dev, REG_RXERR);
- uint8_t txerr = priv->read_reg(dev, REG_TXERR);
+ uint8_t rxerr = priv->read_reg(priv, REG_RXERR);
+ uint8_t txerr = priv->read_reg(priv, REG_TXERR);
cf->can_id |= CAN_ERR_CRTL;
if (state == CAN_STATE_ERROR_WARNING) {
priv->can.can_stats.error_warning++;
@@ -471,15 +471,15 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
int n = 0;
/* Shared interrupts and IRQ off? */
- if (priv->read_reg(dev, REG_IER) == IRQ_OFF)
+ if (priv->read_reg(priv, REG_IER) == IRQ_OFF)
return IRQ_NONE;
if (priv->pre_irq)
- priv->pre_irq(dev);
+ priv->pre_irq(priv);
- while ((isrc = priv->read_reg(dev, REG_IR)) && (n < SJA1000_MAX_IRQ)) {
+ while ((isrc = priv->read_reg(priv, REG_IR)) && (n < SJA1000_MAX_IRQ)) {
n++;
- status = priv->read_reg(dev, REG_SR);
+ status = priv->read_reg(priv, REG_SR);
if (isrc & IRQ_WUI)
dev_warn(dev->dev.parent, "wakeup interrupt\n");
@@ -494,7 +494,7 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
/* receive interrupt */
while (status & SR_RBS) {
sja1000_rx(dev);
- status = priv->read_reg(dev, REG_SR);
+ status = priv->read_reg(priv, REG_SR);
}
}
if (isrc & (IRQ_DOI | IRQ_EI | IRQ_BEI | IRQ_EPI | IRQ_ALI)) {
@@ -505,7 +505,7 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
}
if (priv->post_irq)
- priv->post_irq(dev);
+ priv->post_irq(priv);
if (n >= SJA1000_MAX_IRQ)
dev_dbg(dev->dev.parent, "%d messages handled in ISR", n);
diff --git a/drivers/net/can/sja1000/sja1000.h b/drivers/net/can/sja1000/sja1000.h
index ccd30288796..302d2c763ad 100644
--- a/drivers/net/can/sja1000/sja1000.h
+++ b/drivers/net/can/sja1000/sja1000.h
@@ -155,14 +155,15 @@ struct sja1000_priv {
struct sk_buff *echo_skb;
/* the lower-layer is responsible for appropriate locking */
- u8 (*read_reg) (const struct net_device *dev, int reg);
- void (*write_reg) (const struct net_device *dev, int reg, u8 val);
- void (*pre_irq) (const struct net_device *dev);
- void (*post_irq) (const struct net_device *dev);
+ u8 (*read_reg) (const struct sja1000_priv *priv, int reg);
+ void (*write_reg) (const struct sja1000_priv *priv, int reg, u8 val);
+ void (*pre_irq) (const struct sja1000_priv *priv);
+ void (*post_irq) (const struct sja1000_priv *priv);
void *priv; /* for board-specific data */
struct net_device *dev;
+ void __iomem *reg_base; /* ioremap'ed address to registers */
unsigned long irq_flags; /* for request_irq() */
u16 flags; /* custom mode flags */
diff --git a/drivers/net/can/sja1000/sja1000_platform.c b/drivers/net/can/sja1000/sja1000_platform.c
index 8017229d6fd..628374c2a05 100644
--- a/drivers/net/can/sja1000/sja1000_platform.c
+++ b/drivers/net/can/sja1000/sja1000_platform.c
@@ -37,14 +37,14 @@ MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
MODULE_DESCRIPTION("Socket-CAN driver for SJA1000 on the platform bus");
MODULE_LICENSE("GPL v2");
-static u8 sp_read_reg(const struct net_device *dev, int reg)
+static u8 sp_read_reg(const struct sja1000_priv *priv, int reg)
{
- return ioread8((void __iomem *)(dev->base_addr + reg));
+ return ioread8(priv->reg_base + reg);
}
-static void sp_write_reg(const struct net_device *dev, int reg, u8 val)
+static void sp_write_reg(const struct sja1000_priv *priv, int reg, u8 val)
{
- iowrite8(val, (void __iomem *)(dev->base_addr + reg));
+ iowrite8(val, priv->reg_base + reg);
}
static int sp_probe(struct platform_device *pdev)
@@ -89,9 +89,9 @@ static int sp_probe(struct platform_device *pdev)
}
priv = netdev_priv(dev);
- dev->base_addr = (unsigned long)addr;
dev->irq = res_irq->start;
priv->irq_flags = res_irq->flags & IRQF_TRIGGER_MASK;
+ priv->reg_base = addr;
priv->read_reg = sp_read_reg;
priv->write_reg = sp_write_reg;
priv->can.clock.freq = pdata->clock;
@@ -108,8 +108,8 @@ static int sp_probe(struct platform_device *pdev)
goto exit_free;
}
- dev_info(&pdev->dev, "%s device registered (base_addr=%#lx, irq=%d)\n",
- DRV_NAME, dev->base_addr, dev->irq);
+ dev_info(&pdev->dev, "%s device registered (reg_base=%p, irq=%d)\n",
+ DRV_NAME, priv->reg_base, dev->irq);
return 0;
exit_free:
@@ -125,13 +125,14 @@ static int sp_probe(struct platform_device *pdev)
static int sp_remove(struct platform_device *pdev)
{
struct net_device *dev = dev_get_drvdata(&pdev->dev);
+ struct sja1000_priv *priv = netdev_priv(dev);
struct resource *res;
unregister_sja1000dev(dev);
dev_set_drvdata(&pdev->dev, NULL);
- if (dev->base_addr)
- iounmap((void __iomem *)dev->base_addr);
+ if (priv->reg_base)
+ iounmap(priv->reg_base);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
release_mem_region(res->start, resource_size(res));