diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2012-06-12 20:26:58 +0200 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-07-09 00:16:11 +0200 |
| commit | 7f0f07ce25b62be9234998134f19e1511a9ad6c7 (patch) | |
| tree | 054337ede5afe3ae1a43bbf454ad2e6572ee9f31 /drivers/mfd/ab3100-core.c | |
| parent | 78a27cd3e891e8da343942aec10c926eaffabd63 (diff) | |
mfd: Use devm allocation for ab3100-core
Allocate memory and irq for device state using devm_*
helpers to simplify memory accounting.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/ab3100-core.c')
| -rw-r--r-- | drivers/mfd/ab3100-core.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c index 1efad20fb175..4276aab4f196 100644 --- a/drivers/mfd/ab3100-core.c +++ b/drivers/mfd/ab3100-core.c @@ -867,7 +867,7 @@ static int __devinit ab3100_probe(struct i2c_client *client, int err; int i; - ab3100 = kzalloc(sizeof(struct ab3100), GFP_KERNEL); + ab3100 = devm_kzalloc(&client->dev, sizeof(struct ab3100), GFP_KERNEL); if (!ab3100) { dev_err(&client->dev, "could not allocate AB3100 device\n"); return -ENOMEM; @@ -921,7 +921,7 @@ static int __devinit ab3100_probe(struct i2c_client *client, /* Attach a second dummy i2c_client to the test register address */ ab3100->testreg_client = i2c_new_dummy(client->adapter, - client->addr + 1); + client->addr + 1); if (!ab3100->testreg_client) { err = -ENOMEM; goto exit_no_testreg_client; @@ -931,13 +931,13 @@ static int __devinit ab3100_probe(struct i2c_client *client, if (err) goto exit_no_setup; - err = request_threaded_irq(client->irq, NULL, ab3100_irq_handler, - IRQF_ONESHOT, "ab3100-core", ab3100); - /* This real unpredictable IRQ is of course sampled for entropy */ - rand_initialize_irq(client->irq); - + err = devm_request_threaded_irq(&client->dev, + client->irq, NULL, ab3100_irq_handler, + IRQF_ONESHOT, "ab3100-core", ab3100); if (err) goto exit_no_irq; + /* This real unpredictable IRQ is of course sampled for entropy */ + rand_initialize_irq(client->irq); err = abx500_register_ops(&client->dev, &ab3100_ops); if (err) @@ -962,7 +962,6 @@ static int __devinit ab3100_probe(struct i2c_client *client, i2c_unregister_device(ab3100->testreg_client); exit_no_testreg_client: exit_no_detect: - kfree(ab3100); return err; } @@ -972,16 +971,8 @@ static int __devexit ab3100_remove(struct i2c_client *client) /* Unregister subdevices */ mfd_remove_devices(&client->dev); - ab3100_remove_debugfs(); i2c_unregister_device(ab3100->testreg_client); - - /* - * At this point, all subscribers should have unregistered - * their notifiers so deactivate IRQ - */ - free_irq(client->irq, ab3100); - kfree(ab3100); return 0; } |