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Commit b345ff48 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman Committed by Petr Vandrovec
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i2c: ugh, clean up lindent mess in i2c-proc.c::i2c_detect() 

Yes, this function now goes beyond 80 columns, but it's almost 
readable, while the previous version was not.

Also removed some #ifdefs
parent dad627b5
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Showing with 47 additions and 133 deletions
drivers/i2c/i2c-proc.c
View file @ b345ff48
...@@ -23,6 +23,8 @@ ...@@ -23,6 +23,8 @@
This driver puts entries in /proc/sys/dev/sensors for each I2C device This driver puts entries in /proc/sys/dev/sensors for each I2C device
*/ */
/* #define DEBUG 1 */
#include <linux/module.h> #include <linux/module.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/slab.h> #include <linux/slab.h>
...@@ -581,9 +583,9 @@ int i2c_detect(struct i2c_adapter *adapter, ...@@ -581,9 +583,9 @@ int i2c_detect(struct i2c_adapter *adapter,
is_isa ? SENSORS_ISA_BUS : i2c_adapter_id(adapter); is_isa ? SENSORS_ISA_BUS : i2c_adapter_id(adapter);
/* Forget it if we can't probe using SMBUS_QUICK */ /* Forget it if we can't probe using SMBUS_QUICK */
if ((!is_isa) if ((!is_isa) &&
&& !i2c_check_functionality(adapter, !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_QUICK))
I2C_FUNC_SMBUS_QUICK)) return -1; return -1;
for (addr = 0x00; addr <= (is_isa ? 0xffff : 0x7f); addr++) { for (addr = 0x00; addr <= (is_isa ? 0xffff : 0x7f); addr++) {
/* XXX: WTF is going on here??? */ /* XXX: WTF is going on here??? */
...@@ -594,31 +596,14 @@ int i2c_detect(struct i2c_adapter *adapter, ...@@ -594,31 +596,14 @@ int i2c_detect(struct i2c_adapter *adapter,
/* If it is in one of the force entries, we don't do any /* If it is in one of the force entries, we don't do any
detection at all */ detection at all */
found = 0; found = 0;
for (i = 0; for (i = 0; !found && (this_force = address_data->forces + i, this_force->force); i++) {
!found for (j = 0; !found && (this_force->force[j] != SENSORS_I2C_END); j += 2) {
&& (this_force = if ( ((adapter_id == this_force->force[j]) ||
address_data->forces + i, this_force->force); i++) { ((this_force->force[j] == SENSORS_ANY_I2C_BUS) && !is_isa)) &&
for (j = 0; (addr == this_force->force[j + 1]) ) {
!found dev_dbg(&adapter->dev, "found force parameter for adapter %d, addr %04x\n", adapter_id, addr);
&& (this_force->force[j] != SENSORS_I2C_END); if ((err = found_proc(adapter, addr, 0, this_force->kind)))
j += 2) { return err;
if (
((adapter_id == this_force->force[j])
||
((this_force->
force[j] == SENSORS_ANY_I2C_BUS)
&& !is_isa))
&& (addr == this_force->force[j + 1])) {
#ifdef DEBUG
printk
(KERN_DEBUG "i2c-proc.o: found force parameter for adapter %d, addr %04x\n",
adapter_id, addr);
#endif
if (
(err =
found_proc(adapter, addr, 0,
this_force->
kind))) return err;
found = 1; found = 1;
} }
} }
...@@ -628,42 +613,22 @@ int i2c_detect(struct i2c_adapter *adapter, ...@@ -628,42 +613,22 @@ int i2c_detect(struct i2c_adapter *adapter,
/* If this address is in one of the ignores, we can forget about it /* If this address is in one of the ignores, we can forget about it
right now */ right now */
for (i = 0; for (i = 0; !found && (address_data->ignore[i] != SENSORS_I2C_END); i += 2) {
!found if ( ((adapter_id == address_data->ignore[i]) ||
&& (address_data->ignore[i] != SENSORS_I2C_END); ((address_data->ignore[i] == SENSORS_ANY_I2C_BUS) &&
i += 2) { !is_isa)) &&
if ( (addr == address_data->ignore[i + 1])) {
((adapter_id == address_data->ignore[i]) dev_dbg(&adapter->dev, "found ignore parameter for adapter %d, addr %04x\n", adapter_id, addr);
||
((address_data->
ignore[i] == SENSORS_ANY_I2C_BUS)
&& !is_isa))
&& (addr == address_data->ignore[i + 1])) {
#ifdef DEBUG
printk
(KERN_DEBUG "i2c-proc.o: found ignore parameter for adapter %d, "
"addr %04x\n", adapter_id, addr);
#endif
found = 1; found = 1;
} }
} }
for (i = 0; for (i = 0; !found && (address_data->ignore_range[i] != SENSORS_I2C_END); i += 3) {
!found if ( ((adapter_id == address_data->ignore_range[i]) ||
&& (address_data->ignore_range[i] != SENSORS_I2C_END); ((address_data-> ignore_range[i] == SENSORS_ANY_I2C_BUS) &
i += 3) { !is_isa)) &&
if ( (addr >= address_data->ignore_range[i + 1]) &&
((adapter_id == address_data->ignore_range[i]) (addr <= address_data->ignore_range[i + 2])) {
|| dev_dbg(&adapter->dev, "found ignore_range parameter for adapter %d, addr %04x\n", adapter_id, addr);
((address_data->
ignore_range[i] ==
SENSORS_ANY_I2C_BUS) & !is_isa))
&& (addr >= address_data->ignore_range[i + 1])
&& (addr <= address_data->ignore_range[i + 2])) {
#ifdef DEBUG
printk
(KERN_DEBUG "i2c-proc.o: found ignore_range parameter for adapter %d, "
"addr %04x\n", adapter_id, addr);
#endif
found = 1; found = 1;
} }
} }
...@@ -673,68 +638,31 @@ int i2c_detect(struct i2c_adapter *adapter, ...@@ -673,68 +638,31 @@ int i2c_detect(struct i2c_adapter *adapter,
/* Now, we will do a detection, but only if it is in the normal or /* Now, we will do a detection, but only if it is in the normal or
probe entries */ probe entries */
if (is_isa) { if (is_isa) {
for (i = 0; for (i = 0; !found && (address_data->normal_isa[i] != SENSORS_ISA_END); i += 1) {
!found
&& (address_data->normal_isa[i] !=
SENSORS_ISA_END); i += 1) {
if (addr == address_data->normal_isa[i]) { if (addr == address_data->normal_isa[i]) {
#ifdef DEBUG dev_dbg(&adapter->dev, "found normal isa entry for adapter %d, addr %04x\n", adapter_id, addr);
printk
(KERN_DEBUG "i2c-proc.o: found normal isa entry for adapter %d, "
"addr %04x\n", adapter_id,
addr);
#endif
found = 1; found = 1;
} }
} }
for (i = 0; for (i = 0; !found && (address_data->normal_isa_range[i] != SENSORS_ISA_END); i += 3) {
!found if ((addr >= address_data->normal_isa_range[i]) &&
&& (address_data->normal_isa_range[i] != (addr <= address_data->normal_isa_range[i + 1]) &&
SENSORS_ISA_END); i += 3) { ((addr - address_data->normal_isa_range[i]) % address_data->normal_isa_range[i + 2] == 0)) {
if ((addr >= dev_dbg(&adapter->dev, "found normal isa_range entry for adapter %d, addr %04x", adapter_id, addr);
address_data->normal_isa_range[i])
&& (addr <=
address_data->normal_isa_range[i + 1])
&&
((addr -
address_data->normal_isa_range[i]) %
address_data->normal_isa_range[i + 2] ==
0)) {
#ifdef DEBUG
printk
(KERN_DEBUG "i2c-proc.o: found normal isa_range entry for adapter %d, "
"addr %04x", adapter_id, addr);
#endif
found = 1; found = 1;
} }
} }
} else { } else {
for (i = 0; for (i = 0; !found && (address_data->normal_i2c[i] != SENSORS_I2C_END); i += 1) {
!found && (address_data->normal_i2c[i] !=
SENSORS_I2C_END); i += 1) {
if (addr == address_data->normal_i2c[i]) { if (addr == address_data->normal_i2c[i]) {
found = 1; found = 1;
#ifdef DEBUG dev_dbg(&adapter->dev, "found normal i2c entry for adapter %d, addr %02x", adapter_id, addr);
printk
(KERN_DEBUG "i2c-proc.o: found normal i2c entry for adapter %d, "
"addr %02x", adapter_id, addr);
#endif
} }
} }
for (i = 0; for (i = 0; !found && (address_data->normal_i2c_range[i] != SENSORS_I2C_END); i += 2) {
!found if ((addr >= address_data->normal_i2c_range[i]) &&
&& (address_data->normal_i2c_range[i] != (addr <= address_data->normal_i2c_range[i + 1])) {
SENSORS_I2C_END); i += 2) { dev_dbg(&adapter->dev, "found normal i2c_range entry for adapter %d, addr %04x\n", adapter_id, addr);
if ((addr >=
address_data->normal_i2c_range[i])
&& (addr <=
address_data->normal_i2c_range[i + 1]))
{
#ifdef DEBUG
printk
(KERN_DEBUG "i2c-proc.o: found normal i2c_range entry for adapter %d, "
"addr %04x\n", adapter_id, addr);
#endif
found = 1; found = 1;
} }
} }
...@@ -747,30 +675,17 @@ int i2c_detect(struct i2c_adapter *adapter, ...@@ -747,30 +675,17 @@ int i2c_detect(struct i2c_adapter *adapter,
((address_data-> ((address_data->
probe[i] == SENSORS_ANY_I2C_BUS) & !is_isa)) probe[i] == SENSORS_ANY_I2C_BUS) & !is_isa))
&& (addr == address_data->probe[i + 1])) { && (addr == address_data->probe[i + 1])) {
#ifdef DEBUG dev_dbg(&adapter->dev, "found probe parameter for adapter %d, addr %04x\n", adapter_id, addr);
printk
(KERN_DEBUG "i2c-proc.o: found probe parameter for adapter %d, "
"addr %04x\n", adapter_id, addr);
#endif
found = 1; found = 1;
} }
} }
for (i = 0; !found && for (i = 0; !found && (address_data->probe_range[i] != SENSORS_I2C_END); i += 3) {
(address_data->probe_range[i] != SENSORS_I2C_END); if ( ((adapter_id == address_data->probe_range[i]) ||
i += 3) { ((address_data->probe_range[i] == SENSORS_ANY_I2C_BUS) & !is_isa)) &&
if ( (addr >= address_data->probe_range[i + 1]) &&
((adapter_id == address_data->probe_range[i]) (addr <= address_data->probe_range[i + 2])) {
||
((address_data->probe_range[i] ==
SENSORS_ANY_I2C_BUS) & !is_isa))
&& (addr >= address_data->probe_range[i + 1])
&& (addr <= address_data->probe_range[i + 2])) {
found = 1; found = 1;
#ifdef DEBUG dev_dbg(&adapter->dev, "found probe_range parameter for adapter %d, addr %04x\n", adapter_id, addr);
printk
(KERN_DEBUG "i2c-proc.o: found probe_range parameter for adapter %d, "
"addr %04x\n", adapter_id, addr);
#endif
} }
} }
if (!found) if (!found)
...@@ -779,8 +694,7 @@ int i2c_detect(struct i2c_adapter *adapter, ...@@ -779,8 +694,7 @@ int i2c_detect(struct i2c_adapter *adapter,
/* OK, so we really should examine this address. First check /* OK, so we really should examine this address. First check
whether there is some client here at all! */ whether there is some client here at all! */
if (is_isa || if (is_isa ||
(i2c_smbus_xfer (i2c_smbus_xfer (adapter, addr, 0, 0, 0, I2C_SMBUS_QUICK, NULL) >= 0))
(adapter, addr, 0, 0, 0, I2C_SMBUS_QUICK, NULL) >= 0))
if ((err = found_proc(adapter, addr, 0, -1))) if ((err = found_proc(adapter, addr, 0, -1)))
return err; return err;
} }
......
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