diff options
Diffstat (limited to 'drivers/media/dvb-frontends/drx39xyj/drxj.c')
| -rw-r--r-- | drivers/media/dvb-frontends/drx39xyj/drxj.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c b/drivers/media/dvb-frontends/drx39xyj/drxj.c index b1a7dfeec489..c843d8f4a96a 100644 --- a/drivers/media/dvb-frontends/drx39xyj/drxj.c +++ b/drivers/media/dvb-frontends/drx39xyj/drxj.c @@ -4417,8 +4417,8 @@ rw_error: static int scu_command(struct i2c_device_addr *dev_addr, struct drxjscu_cmd *cmd) { int rc; - u32 start_time = 0; u16 cur_cmd = 0; + unsigned long timeout; /* Check param */ if (cmd == NULL) @@ -4478,15 +4478,17 @@ static int scu_command(struct i2c_device_addr *dev_addr, struct drxjscu_cmd *cmd } /* Wait until SCU has processed command */ - start_time = jiffies_to_msecs(jiffies); - do { + timeout = jiffies + msecs_to_jiffies(DRXJ_MAX_WAITTIME); + while (time_is_after_jiffies(timeout)) { rc = DRXJ_DAP.read_reg16func(dev_addr, SCU_RAM_COMMAND__A, &cur_cmd, 0); if (rc != 0) { pr_err("error %d\n", rc); goto rw_error; } - } while (!(cur_cmd == DRX_SCU_READY) - && ((jiffies_to_msecs(jiffies) - start_time) < DRXJ_MAX_WAITTIME)); + if (cur_cmd == DRX_SCU_READY) + break; + usleep_range(1000, 2000); + } if (cur_cmd != DRX_SCU_READY) return -EIO; |