The patch titled Subject: drivers/rtc/rtc-m48t35.c: use devm_* APIs has been added to the -mm tree. Its filename is drivers-rtc-rtc-m48t35c-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-m48t35.c: use devm_* APIs devm_* functions are device managed and make cleanup code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx> Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> Cc: Jingoo Han <jg1.han@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/rtc/rtc-m48t35.c | 42 ++++++++----------------------------- 1 file changed, 10 insertions(+), 32 deletions(-) diff -puN drivers/rtc/rtc-m48t35.c~drivers-rtc-rtc-m48t35c-use-devm_-apis drivers/rtc/rtc-m48t35.c --- a/drivers/rtc/rtc-m48t35.c~drivers-rtc-rtc-m48t35c-use-devm_-apis +++ a/drivers/rtc/rtc-m48t35.c @@ -145,12 +145,11 @@ static int m48t35_probe(struct platform_ { struct resource *res; struct m48t35_priv *priv; - int ret = 0; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) return -ENODEV; - priv = kzalloc(sizeof(struct m48t35_priv), GFP_KERNEL); + priv = devm_kzalloc(&pdev->dev, sizeof(struct m48t35_priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -160,50 +159,29 @@ static int m48t35_probe(struct platform_ * conflicts are resolved */ #ifndef CONFIG_SGI_IP27 - if (!request_mem_region(res->start, priv->size, pdev->name)) { - ret = -EBUSY; - goto out; - } + if (!devm_request_mem_region(&pdev->dev, res->start, priv->size, + pdev->name)) + return -EBUSY; #endif priv->baseaddr = res->start; - priv->reg = ioremap(priv->baseaddr, priv->size); - if (!priv->reg) { - ret = -ENOMEM; - goto out; - } + priv->reg = devm_ioremap(&pdev->dev, priv->baseaddr, priv->size); + if (!priv->reg) + return -ENOMEM; spin_lock_init(&priv->lock); platform_set_drvdata(pdev, priv); - priv->rtc = rtc_device_register("m48t35", &pdev->dev, + priv->rtc = devm_rtc_device_register(&pdev->dev, "m48t35", &m48t35_ops, THIS_MODULE); - if (IS_ERR(priv->rtc)) { - ret = PTR_ERR(priv->rtc); - goto out; - } + if (IS_ERR(priv->rtc)) + return PTR_ERR(priv->rtc); return 0; - -out: - if (priv->reg) - iounmap(priv->reg); - if (priv->baseaddr) - release_mem_region(priv->baseaddr, priv->size); - kfree(priv); - return ret; } static int m48t35_remove(struct platform_device *pdev) { - struct m48t35_priv *priv = platform_get_drvdata(pdev); - - rtc_device_unregister(priv->rtc); - iounmap(priv->reg); -#ifndef CONFIG_SGI_IP27 - release_mem_region(priv->baseaddr, priv->size); -#endif - kfree(priv); 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