* + rtc-rtc-ds1307-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-ds1307-use-devm_-functions.patch added to -mm tree
To: jg1.han@samsung.com
From: akpm@linux-foundation.org
Date: Tue, 28 May 2013 15:22:02 -0700
The patch titled
Subject: rtc: rtc-ds1307: use devm_*() functions
has been added to the -mm tree. Its filename is
rtc-rtc-ds1307-use-devm_-functions.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Jingoo Han <jg1.han@samsung.com>
Subject: rtc: rtc-ds1307: 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-ds1307.c | 43 ++++++++++++++-----------------------
1 file changed, 17 insertions(+), 26 deletions(-)
diff -puN drivers/rtc/rtc-ds1307.c~rtc-rtc-ds1307-use-devm_-functions drivers/rtc/rtc-ds1307.c
--- a/drivers/rtc/rtc-ds1307.c~rtc-rtc-ds1307-use-devm_-functions
+++ a/drivers/rtc/rtc-ds1307.c
@@ -683,7 +683,7 @@ static int ds1307_probe(struct i2c_clien
&& !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_I2C_BLOCK))
return -EIO;
- ds1307 = kzalloc(sizeof(struct ds1307), GFP_KERNEL);
+ ds1307 = devm_kzalloc(&client->dev, sizeof(struct ds1307), GFP_KERNEL);
if (!ds1307)
return -ENOMEM;
@@ -715,7 +715,7 @@ static int ds1307_probe(struct i2c_clien
if (tmp != 2) {
dev_dbg(&client->dev, "read error %d\n", tmp);
err = -EIO;
- goto exit_free;
+ goto exit;
}
/* oscillator off? turn it on, so clock can tick. */
@@ -754,7 +754,7 @@ static int ds1307_probe(struct i2c_clien
if (tmp != 2) {
dev_dbg(&client->dev, "read error %d\n", tmp);
err = -EIO;
- goto exit_free;
+ goto exit;
}
/* oscillator off? turn it on, so clock can tick. */
@@ -798,7 +798,7 @@ static int ds1307_probe(struct i2c_clien
if (tmp != 2) {
dev_dbg(&client->dev, "read error %d\n", tmp);
err = -EIO;
- goto exit_free;
+ goto exit;
}
/* correct hour */
@@ -826,7 +826,7 @@ read_rtc:
if (tmp != 8) {
dev_dbg(&client->dev, "read error %d\n", tmp);
err = -EIO;
- goto exit_free;
+ goto exit;
}
/*
@@ -868,7 +868,7 @@ read_rtc:
if (tmp < 0) {
dev_dbg(&client->dev, "read error %d\n", tmp);
err = -EIO;
- goto exit_free;
+ goto exit;
}
/* oscillator fault? clear flag, and warn */
@@ -927,13 +927,13 @@ read_rtc:
bin2bcd(tmp));
}
- ds1307->rtc = rtc_device_register(client->name, &client->dev,
+ ds1307->rtc = devm_rtc_device_register(&client->dev, client->name,
&ds13xx_rtc_ops, THIS_MODULE);
if (IS_ERR(ds1307->rtc)) {
err = PTR_ERR(ds1307->rtc);
dev_err(&client->dev,
"unable to register the class device\n");
- goto exit_free;
+ goto exit;
}
if (want_irq) {
@@ -942,7 +942,7 @@ read_rtc:
if (err) {
dev_err(&client->dev,
"unable to request IRQ!\n");
- goto exit_irq;
+ goto exit;
}
device_set_wakeup_capable(&client->dev, 1);
@@ -951,11 +951,12 @@ read_rtc:
}
if (chip->nvram_size) {
- ds1307->nvram = kzalloc(sizeof(struct bin_attribute),
- GFP_KERNEL);
+ ds1307->nvram = devm_kzalloc(&client->dev,
+ sizeof(struct bin_attribute),
+ GFP_KERNEL);
if (!ds1307->nvram) {
err = -ENOMEM;
- goto exit_nvram;
+ goto exit;
}
ds1307->nvram->attr.name = "nvram";
ds1307->nvram->attr.mode = S_IRUGO | S_IWUSR;
@@ -965,21 +966,15 @@ read_rtc:
ds1307->nvram->size = chip->nvram_size;
ds1307->nvram_offset = chip->nvram_offset;
err = sysfs_create_bin_file(&client->dev.kobj, ds1307->nvram);
- if (err) {
- kfree(ds1307->nvram);
- goto exit_nvram;
- }
+ if (err)
+ goto exit;
set_bit(HAS_NVRAM, &ds1307->flags);
dev_info(&client->dev, "%zu bytes nvram\n", ds1307->nvram->size);
}
return 0;
-exit_nvram:
-exit_irq:
- rtc_device_unregister(ds1307->rtc);
-exit_free:
- kfree(ds1307);
+exit:
return err;
}
@@ -992,13 +987,9 @@ static int ds1307_remove(struct i2c_clie
cancel_work_sync(&ds1307->work);
}
- if (test_and_clear_bit(HAS_NVRAM, &ds1307->flags)) {
+ if (test_and_clear_bit(HAS_NVRAM, &ds1307->flags))
sysfs_remove_bin_file(&client->dev.kobj, ds1307->nvram);
- kfree(ds1307->nvram);
- }
- rtc_device_unregister(ds1307->rtc);
- kfree(ds1307);
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-ds1307-use-devm_-functions.patch added to -mm tree akpm
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