diff options
Diffstat (limited to 'drivers/i2c/chips/m41t00.c')
| -rw-r--r-- | drivers/i2c/chips/m41t00.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/i2c/chips/m41t00.c b/drivers/i2c/chips/m41t00.c index b5aabe7cf792..99ab4ec34390 100644 --- a/drivers/i2c/chips/m41t00.c +++ b/drivers/i2c/chips/m41t00.c @@ -25,6 +25,7 @@ #include <linux/rtc.h> #include <linux/bcd.h> #include <linux/mutex.h> +#include <linux/workqueue.h> #include <asm/time.h> #include <asm/rtc.h> @@ -111,7 +112,7 @@ m41t00_get_rtc_time(void) } static void -m41t00_set_tlet(ulong arg) +m41t00_set(void *arg) { struct rtc_time tm; ulong nowtime = *(ulong *)arg; @@ -130,13 +131,13 @@ m41t00_set_tlet(ulong arg) if ((i2c_smbus_write_byte_data(save_client, 0, tm.tm_sec & 0x7f) < 0) || (i2c_smbus_write_byte_data(save_client, 1, tm.tm_min & 0x7f) < 0) - || (i2c_smbus_write_byte_data(save_client, 2, tm.tm_hour & 0x7f) + || (i2c_smbus_write_byte_data(save_client, 2, tm.tm_hour & 0x3f) < 0) - || (i2c_smbus_write_byte_data(save_client, 4, tm.tm_mday & 0x7f) + || (i2c_smbus_write_byte_data(save_client, 4, tm.tm_mday & 0x3f) < 0) - || (i2c_smbus_write_byte_data(save_client, 5, tm.tm_mon & 0x7f) + || (i2c_smbus_write_byte_data(save_client, 5, tm.tm_mon & 0x1f) < 0) - || (i2c_smbus_write_byte_data(save_client, 6, tm.tm_year & 0x7f) + || (i2c_smbus_write_byte_data(save_client, 6, tm.tm_year & 0xff) < 0)) dev_warn(&save_client->dev,"m41t00: can't write to rtc chip\n"); @@ -145,9 +146,9 @@ m41t00_set_tlet(ulong arg) return; } -static ulong new_time; - -DECLARE_TASKLET_DISABLED(m41t00_tasklet, m41t00_set_tlet, (ulong)&new_time); +static ulong new_time; +static struct workqueue_struct *m41t00_wq; +static DECLARE_WORK(m41t00_work, m41t00_set, &new_time); int m41t00_set_rtc_time(ulong nowtime) @@ -155,9 +156,9 @@ m41t00_set_rtc_time(ulong nowtime) new_time = nowtime; if (in_interrupt()) - tasklet_schedule(&m41t00_tasklet); + queue_work(m41t00_wq, &m41t00_work); else - m41t00_set_tlet((ulong)&new_time); + m41t00_set(&new_time); return 0; } @@ -189,6 +190,7 @@ m41t00_probe(struct i2c_adapter *adap, int addr, int kind) return rc; } + m41t00_wq = create_singlethread_workqueue("m41t00"); save_client = client; return 0; } @@ -206,7 +208,7 @@ m41t00_detach(struct i2c_client *client) if ((rc = i2c_detach_client(client)) == 0) { kfree(client); - tasklet_kill(&m41t00_tasklet); + destroy_workqueue(m41t00_wq); } return rc; } |