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authorDavid S. Miller <davem@davemloft.net>2012-03-09 14:34:20 -0800
committerDavid S. Miller <davem@davemloft.net>2012-03-09 14:34:20 -0800
commitb2d3298e0916fa059712691c85a0e97becc4ab9f (patch)
treec7d5ea46a9dbf9cebdb122df4aaf0beda6e7621e /drivers/hwmon/pmbus/zl6100.c
parent1a0bdadb4e36abac63b0a9787f372aac30c11a9e (diff)
parenta7f4255f906f60f72e00aad2fb000939449ff32e (diff)
downloadblackbird-op-linux-b2d3298e0916fa059712691c85a0e97becc4ab9f.tar.gz
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/hwmon/pmbus/zl6100.c')
-rw-r--r--drivers/hwmon/pmbus/zl6100.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/hwmon/pmbus/zl6100.c b/drivers/hwmon/pmbus/zl6100.c
index 48c7b4a716ae..880b90cf4d32 100644
--- a/drivers/hwmon/pmbus/zl6100.c
+++ b/drivers/hwmon/pmbus/zl6100.c
@@ -33,6 +33,7 @@ enum chips { zl2004, zl2005, zl2006, zl2008, zl2105, zl2106, zl6100, zl6105 };
struct zl6100_data {
int id;
ktime_t access; /* chip access time */
+ int delay; /* Delay between chip accesses in uS */
struct pmbus_driver_info info;
};
@@ -52,10 +53,10 @@ MODULE_PARM_DESC(delay, "Delay between chip accesses in uS");
/* Some chips need a delay between accesses */
static inline void zl6100_wait(const struct zl6100_data *data)
{
- if (delay) {
+ if (data->delay) {
s64 delta = ktime_us_delta(ktime_get(), data->access);
- if (delta < delay)
- udelay(delay - delta);
+ if (delta < data->delay)
+ udelay(data->delay - delta);
}
}
@@ -207,8 +208,9 @@ static int zl6100_probe(struct i2c_client *client,
* can be cleared later for additional chips if tests show that it
* is not needed (in other words, better be safe than sorry).
*/
+ data->delay = delay;
if (data->id == zl2004 || data->id == zl6105)
- delay = 0;
+ data->delay = 0;
/*
* Since there was a direct I2C device access above, wait before
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