The patch titled Subject: drivers/rtc/rtc-ds1305.c: use devm_* APIs has been added to the -mm tree. Its filename is drivers-rtc-rtc-ds1305c-use-devm_-apis.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Sachin Kamat <sachin.kamat@xxxxxxxxxx> Subject: drivers/rtc/rtc-ds1305.c: use devm_* APIs devm_* functions are device managed and make cleanup code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx> Cc: Jingoo Han <jg1.han@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/rtc/rtc-ds1305.c | 35 ++++++++++++----------------------- 1 file changed, 12 insertions(+), 23 deletions(-) diff -puN drivers/rtc/rtc-ds1305.c~drivers-rtc-rtc-ds1305c-use-devm_-apis drivers/rtc/rtc-ds1305.c --- a/drivers/rtc/rtc-ds1305.c~drivers-rtc-rtc-ds1305c-use-devm_-apis +++ a/drivers/rtc/rtc-ds1305.c @@ -619,7 +619,7 @@ static int ds1305_probe(struct spi_devic return -EINVAL; /* set up driver data */ - ds1305 = kzalloc(sizeof *ds1305, GFP_KERNEL); + ds1305 = devm_kzalloc(&spi->dev, sizeof(*ds1305), GFP_KERNEL); if (!ds1305) return -ENOMEM; ds1305->spi = spi; @@ -632,7 +632,7 @@ static int ds1305_probe(struct spi_devic if (status < 0) { dev_dbg(&spi->dev, "can't %s, %d\n", "read", status); - goto fail0; + return status; } dev_dbg(&spi->dev, "ctrl %s: %3ph\n", "read", ds1305->ctrl); @@ -644,8 +644,7 @@ static int ds1305_probe(struct spi_devic */ if ((ds1305->ctrl[0] & 0x38) != 0 || (ds1305->ctrl[1] & 0xfc) != 0) { dev_dbg(&spi->dev, "RTC chip is not present\n"); - status = -ENODEV; - goto fail0; + return -ENODEV; } if (ds1305->ctrl[2] == 0) dev_dbg(&spi->dev, "chip may not be present\n"); @@ -664,7 +663,7 @@ static int ds1305_probe(struct spi_devic dev_dbg(&spi->dev, "clear WP --> %d\n", status); if (status < 0) - goto fail0; + return status; } /* on DS1305, maybe start oscillator; like most low power @@ -718,7 +717,7 @@ static int ds1305_probe(struct spi_devic if (status < 0) { dev_dbg(&spi->dev, "can't %s, %d\n", "write", status); - goto fail0; + return status; } dev_dbg(&spi->dev, "ctrl %s: %3ph\n", "write", ds1305->ctrl); @@ -730,7 +729,7 @@ static int ds1305_probe(struct spi_devic &value, sizeof value); if (status < 0) { dev_dbg(&spi->dev, "read HOUR --> %d\n", status); - goto fail0; + return status; } ds1305->hr12 = (DS1305_HR_12 & value) != 0; @@ -738,12 +737,12 @@ static int ds1305_probe(struct spi_devic dev_dbg(&spi->dev, "AM/PM\n"); /* register RTC ... from here on, ds1305->ctrl needs locking */ - ds1305->rtc = rtc_device_register("ds1305", &spi->dev, + ds1305->rtc = devm_rtc_device_register(&spi->dev, "ds1305", &ds1305_ops, THIS_MODULE); if (IS_ERR(ds1305->rtc)) { status = PTR_ERR(ds1305->rtc); dev_dbg(&spi->dev, "register rtc --> %d\n", status); - goto fail0; + return status; } /* Maybe set up alarm IRQ; be ready to handle it triggering right @@ -754,12 +753,12 @@ static int ds1305_probe(struct spi_devic */ if (spi->irq) { INIT_WORK(&ds1305->work, ds1305_work); - status = request_irq(spi->irq, ds1305_irq, + status = devm_request_irq(&spi->dev, spi->irq, ds1305_irq, 0, dev_name(&ds1305->rtc->dev), ds1305); if (status < 0) { dev_dbg(&spi->dev, "request_irq %d --> %d\n", spi->irq, status); - goto fail1; + return status; } device_set_wakeup_capable(&spi->dev, 1); @@ -769,18 +768,10 @@ static int ds1305_probe(struct spi_devic status = sysfs_create_bin_file(&spi->dev.kobj, &nvram); if (status < 0) { dev_dbg(&spi->dev, "register nvram --> %d\n", status); - goto fail2; + return status; } return 0; - -fail2: - free_irq(spi->irq, ds1305); -fail1: - rtc_device_unregister(ds1305->rtc); -fail0: - kfree(ds1305); - return status; } static int ds1305_remove(struct spi_device *spi) @@ -792,13 +783,11 @@ static int ds1305_remove(struct spi_devi /* carefully shut down irq and workqueue, if present */ if (spi->irq) { set_bit(FLAG_EXITING, &ds1305->flags); - free_irq(spi->irq, ds1305); + devm_free_irq(&spi->dev, spi->irq, ds1305); cancel_work_sync(&ds1305->work); } - rtc_device_unregister(ds1305->rtc); spi_set_drvdata(spi, NULL); - kfree(ds1305); return 0; } _ Patches currently in -mm which might be from sachin.kamat@xxxxxxxxxx are linux-next.patch drivers-video-exynos-exynos_mipi_dsic-convert-to-devm_ioremap_resource.patch drivers-rtc-rtc-tps6586xc-remove-incorrect-use-of-rtc_device_unregister.patch drivers-rtc-rtc-tps65910c-fix-incorrect-return-value-on-error.patch drivers-rtc-rtc-max8997c-fix-incorrect-return-value-on-error.patch drivers-rtc-rtc-max77686c-fix-incorrect-return-value-on-error.patch drivers-rtc-rtc-max8907c-remove-redundant-code.patch drivers-rtc-rtc-max77686c-use-devm_regmap_init_i2c.patch drivers-rtc-rtc-88pm860xc-use-devm_-apis.patch drivers-rtc-rtc-at32ap700xc-use-devm_-apis.patch drivers-rtc-rtc-ds1305c-use-devm_-apis.patch drivers-rtc-rtc-ds1374c-use-devm_-apis.patch drivers-rtc-rtc-ds3232c-use-devm_-apis.patch drivers-rtc-rtc-m48t35c-use-devm_-apis.patch drivers-rtc-rtc-max8925c-use-devm_-apis.patch drivers-rtc-rtc-pxac-use-devm_-apis.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html