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-rw-r--r--drivers/atm/eni.c2
-rw-r--r--drivers/atm/horizon.c8
-rw-r--r--drivers/atm/zatm.c6
3 files changed, 8 insertions, 8 deletions
diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
index 41b2204ebc6e..5503bfc8e132 100644
--- a/drivers/atm/eni.c
+++ b/drivers/atm/eni.c
@@ -1270,7 +1270,7 @@ static int comp_tx(struct eni_dev *eni_dev,int *pcr,int reserved,int *pre,
if (*pre < 3) (*pre)++; /* else fail later */
div = pre_div[*pre]*-*pcr;
DPRINTK("max div %d\n",div);
- *res = (TS_CLOCK+div-1)/div-1;
+ *res = DIV_ROUND_UP(TS_CLOCK, div)-1;
}
if (*res < 0) *res = 0;
if (*res > MID_SEG_MAX_RATE) *res = MID_SEG_MAX_RATE;
diff --git a/drivers/atm/horizon.c b/drivers/atm/horizon.c
index c0ac728dc564..615412364e99 100644
--- a/drivers/atm/horizon.c
+++ b/drivers/atm/horizon.c
@@ -635,7 +635,7 @@ static int make_rate (const hrz_dev * dev, u32 c, rounding r,
// take care of rounding
switch (r) {
case round_down:
- pre = (br+(c<<div)-1)/(c<<div);
+ pre = DIV_ROUND_UP(br, c<<div);
// but p must be non-zero
if (!pre)
pre = 1;
@@ -668,7 +668,7 @@ static int make_rate (const hrz_dev * dev, u32 c, rounding r,
// take care of rounding
switch (r) {
case round_down:
- pre = (br+(c<<div)-1)/(c<<div);
+ pre = DIV_ROUND_UP(br, c<<div);
break;
case round_nearest:
pre = (br+(c<<div)/2)/(c<<div);
@@ -698,7 +698,7 @@ got_it:
if (bits)
*bits = (div<<CLOCK_SELECT_SHIFT) | (pre-1);
if (actual) {
- *actual = (br + (pre<<div) - 1) / (pre<<div);
+ *actual = DIV_ROUND_UP(br, pre<<div);
PRINTD (DBG_QOS, "actual rate: %u", *actual);
}
return 0;
@@ -1967,7 +1967,7 @@ static int __devinit hrz_init (hrz_dev * dev) {
// Set the max AAL5 cell count to be just enough to contain the
// largest AAL5 frame that the user wants to receive
wr_regw (dev, MAX_AAL5_CELL_COUNT_OFF,
- (max_rx_size + ATM_AAL5_TRAILER + ATM_CELL_PAYLOAD - 1) / ATM_CELL_PAYLOAD);
+ DIV_ROUND_UP(max_rx_size + ATM_AAL5_TRAILER, ATM_CELL_PAYLOAD));
// Enable receive
wr_regw (dev, RX_CONFIG_OFF, rd_regw (dev, RX_CONFIG_OFF) | RX_ENABLE);
diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c
index 58583c6ac5be..752b1ba81f7e 100644
--- a/drivers/atm/zatm.c
+++ b/drivers/atm/zatm.c
@@ -496,8 +496,8 @@ static int open_rx_first(struct atm_vcc *vcc)
vcc->qos.rxtp.max_sdu = 65464;
/* fix this - we may want to receive 64kB SDUs
later */
- cells = (vcc->qos.rxtp.max_sdu+ATM_AAL5_TRAILER+
- ATM_CELL_PAYLOAD-1)/ATM_CELL_PAYLOAD;
+ cells = DIV_ROUND_UP(vcc->qos.rxtp.max_sdu + ATM_AAL5_TRAILER,
+ ATM_CELL_PAYLOAD);
zatm_vcc->pool = pool_index(cells*ATM_CELL_PAYLOAD);
}
else {
@@ -820,7 +820,7 @@ static int alloc_shaper(struct atm_dev *dev,int *pcr,int min,int max,int ubr)
}
else {
i = 255;
- m = (ATM_OC3_PCR*255+max-1)/max;
+ m = DIV_ROUND_UP(ATM_OC3_PCR*255, max);
}
}
if (i > m) {