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* + rtc-rtc-pxa-use-devm_-functions.patch added to -mm tree
@ 2013-05-28 22:22 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2013-05-28 22:22 UTC (permalink / raw)
  To: mm-commits, jg1.han

Subject: + rtc-rtc-pxa-use-devm_-functions.patch added to -mm tree
To: jg1.han@samsung.com
From: akpm@linux-foundation.org
Date: Tue, 28 May 2013 15:22:07 -0700


The patch titled
     Subject: rtc: rtc-pxa: use devm_*() functions
has been added to the -mm tree.  Its filename is
     rtc-rtc-pxa-use-devm_-functions.patch

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------------------------------------------------------
From: Jingoo Han <jg1.han@samsung.com>
Subject: rtc: rtc-pxa: use devm_*() functions

Use devm_*() functions to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/rtc/rtc-pxa.c |   43 +++++++++++-----------------------------
 1 file changed, 12 insertions(+), 31 deletions(-)

diff -puN drivers/rtc/rtc-pxa.c~rtc-rtc-pxa-use-devm_-functions drivers/rtc/rtc-pxa.c
--- a/drivers/rtc/rtc-pxa.c~rtc-rtc-pxa-use-devm_-functions
+++ a/drivers/rtc/rtc-pxa.c
@@ -324,37 +324,35 @@ static int __init pxa_rtc_probe(struct p
 	int ret;
 	u32 rttr;
 
-	pxa_rtc = kzalloc(sizeof(struct pxa_rtc), GFP_KERNEL);
+	pxa_rtc = devm_kzalloc(dev, sizeof(*pxa_rtc), GFP_KERNEL);
 	if (!pxa_rtc)
 		return -ENOMEM;
 
 	spin_lock_init(&pxa_rtc->lock);
 	platform_set_drvdata(pdev, pxa_rtc);
 
-	ret = -ENXIO;
 	pxa_rtc->ress = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!pxa_rtc->ress) {
 		dev_err(dev, "No I/O memory resource defined\n");
-		goto err_ress;
+		return -ENXIO;
 	}
 
 	pxa_rtc->irq_1Hz = platform_get_irq(pdev, 0);
 	if (pxa_rtc->irq_1Hz < 0) {
 		dev_err(dev, "No 1Hz IRQ resource defined\n");
-		goto err_ress;
+		return -ENXIO;
 	}
 	pxa_rtc->irq_Alrm = platform_get_irq(pdev, 1);
 	if (pxa_rtc->irq_Alrm < 0) {
 		dev_err(dev, "No alarm IRQ resource defined\n");
-		goto err_ress;
+		return -ENXIO;
 	}
 	pxa_rtc_open(dev);
-	ret = -ENOMEM;
-	pxa_rtc->base = ioremap(pxa_rtc->ress->start,
+	pxa_rtc->base = devm_ioremap(dev, pxa_rtc->ress->start,
 				resource_size(pxa_rtc->ress));
 	if (!pxa_rtc->base) {
-		dev_err(&pdev->dev, "Unable to map pxa RTC I/O memory\n");
-		goto err_map;
+		dev_err(dev, "Unable to map pxa RTC I/O memory\n");
+		return -ENOMEM;
 	}
 
 	/*
@@ -370,41 +368,24 @@ static int __init pxa_rtc_probe(struct p
 
 	rtsr_clear_bits(pxa_rtc, RTSR_PIALE | RTSR_RDALE1 | RTSR_HZE);
 
-	pxa_rtc->rtc = rtc_device_register("pxa-rtc", &pdev->dev, &pxa_rtc_ops,
-					   THIS_MODULE);
-	ret = PTR_ERR(pxa_rtc->rtc);
+	pxa_rtc->rtc = devm_rtc_device_register(&pdev->dev, "pxa-rtc",
+						&pxa_rtc_ops, THIS_MODULE);
 	if (IS_ERR(pxa_rtc->rtc)) {
+		ret = PTR_ERR(pxa_rtc->rtc);
 		dev_err(dev, "Failed to register RTC device -> %d\n", ret);
-		goto err_rtc_reg;
+		return ret;
 	}
 
 	device_init_wakeup(dev, 1);
 
 	return 0;
-
-err_rtc_reg:
-	 iounmap(pxa_rtc->base);
-err_ress:
-err_map:
-	kfree(pxa_rtc);
-	return ret;
 }
 
 static int __exit pxa_rtc_remove(struct platform_device *pdev)
 {
-	struct pxa_rtc *pxa_rtc = platform_get_drvdata(pdev);
-
 	struct device *dev = &pdev->dev;
-	pxa_rtc_release(dev);
-
-	rtc_device_unregister(pxa_rtc->rtc);
-
-	spin_lock_irq(&pxa_rtc->lock);
-	iounmap(pxa_rtc->base);
-	spin_unlock_irq(&pxa_rtc->lock);
-
-	kfree(pxa_rtc);
 
+	pxa_rtc_release(dev);
 	return 0;
 }
 
_

Patches currently in -mm which might be from jg1.han@samsung.com are

linux-next.patch
backlight-atmel-pwm-bl-remove-unnecessary-platform_set_drvdata.patch
backlight-ep93xx-remove-unnecessary-platform_set_drvdata.patch
backlight-lp8788-remove-unnecessary-platform_set_drvdata.patch
backlight-pcf50633-remove-unnecessary-platform_set_drvdata.patch
backlight-add-devm_backlight_device_registerunregister.patch
lcd-add-devm_lcd_device_registerunregister.patch
maintainers-add-backlight-subsystem-co-maintainer.patch
rtc-rtc-88pm80x-remove-unnecessary-platform_set_drvdata.patch
drivers-rtc-rtc-v3020c-remove-redundant-goto.patch
drivers-rtc-interfacec-fix-checkpatch-errors.patch
drivers-rtc-rtc-at32ap700xc-fix-checkpatch-error.patch
drivers-rtc-rtc-at91rm9200c-include-linux-uaccessh.patch
drivers-rtc-rtc-cmosc-fix-whitespace-related-errors.patch
drivers-rtc-rtc-davincic-fix-whitespace-warning.patch
drivers-rtc-rtc-ds1305c-add-missing-braces-around-sizeof.patch
drivers-rtc-rtc-ds1374c-fix-spacing-related-issues.patch
drivers-rtc-rtc-ds1511c-fix-issues-related-to-spaces-and-braces.patch
drivers-rtc-rtc-ds3234c-fix-whitespace-issue.patch
drivers-rtc-rtc-fm3130c-fix-whitespace-related-issue.patch
drivers-rtc-rtc-m41t80c-fix-spacing-related-issue.patch
drivers-rtc-rtc-max6902c-remove-unwanted-spaces.patch
drivers-rtc-rtc-max77686c-remove-space-before-semicolon.patch
drivers-rtc-rtc-max8997c-remove-space-before-semicolon.patch
drivers-rtc-rtc-mpc5121c-remove-space-before-tab.patch
drivers-rtc-rtc-msm6242c-use-pr_warn.patch
drivers-rtc-rtc-mxcc-fix-checkpatch-error.patch
drivers-rtc-rtc-omapc-include-linux-ioh-instead-of-asm-ioh.patch
drivers-rtc-rtc-pcf2123c-remove-space-before-tabs.patch
drivers-rtc-rtc-pcf8583c-move-assignment-outside-if-condition.patch
drivers-rtc-rtc-rs5c313c-include-linux-ioh-instead-of-asm-ioh.patch
drivers-rtc-rtc-rs5c313c-fix-spacing-related-issues.patch
drivers-rtc-rtc-v3020c-fix-spacing-issues.patch
drivers-rtc-rtc-vr41xxc-fix-spacing-issues.patch
drivers-rtc-rtc-x1205c-fix-checkpatch-issues.patch
rtc-rtc-88pm860x-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-ab3100-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-ab8500-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-at32ap700x-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-at91rm9200-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-at91sam9-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-au1xxx-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-bfin-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-bq4802-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-coh901331-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-da9052-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-da9055-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-davinci-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-dm355evm-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-ds1302-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-ep93xx-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-jz4740-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-lp8788-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-lpc32xx-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-ls1x-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-m48t59-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-max8925-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-max8998-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-mc13xxx-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-msm6242-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-mxc-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-nuc900-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-pcap-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-pm8xxx-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-s3c-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-sa1100-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-sh-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-spear-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-stmp3xxx-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-twl-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-vr41xx-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-vt8500-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-m48t86-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-puv3-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-rp5c01-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-tile-remove-unnecessary-platform_set_drvdata.patch
rtc-rtc-hid-sensor-time-allow-full-years-16bit-in-hid-reports.patch
rtc-rtc-hid-sensor-time-allow-16-and-32-bit-values-for-all-attributes.patch
rtc-rtc-hid-sensor-time-add-option-hctosys-to-set-time-at-boot.patch
rtc-rtc-hid-sensor-time-add-support-for-milliseconds.patch
rtc-rtc-ds1307-use-devm_-functions.patch
rtc-rtc-jz4740-use-devm_-functions.patch
rtc-rtc-mpc5121-use-devm_-functions.patch
rtc-rtc-m48t59-use-devm_-functions.patch
rtc-rtc-pm8xxx-use-devm_-functions.patch
rtc-rtc-pxa-use-devm_-functions.patch
rtc-rtc-rx8025-use-devm_-functions.patch
rtc-rtc-sh-use-devm_-functions.patch


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2013-05-28 22:22 + rtc-rtc-pxa-use-devm_-functions.patch added to -mm tree akpm

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