From: haojian.zhuang@gmail.com (Haojian Zhuang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] mfd: max8925: request resource region
Date: Mon, 7 May 2012 11:10:48 +0800 [thread overview]
Message-ID: <1336360249-29963-1-git-send-email-haojian.zhuang@gmail.com> (raw)
If resource region isn't requested, component devices will fail to request
their resources.
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
---
drivers/mfd/max8925-core.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/mfd/max8925-core.c b/drivers/mfd/max8925-core.c
index ca881ef..37aadcd 100644
--- a/drivers/mfd/max8925-core.c
+++ b/drivers/mfd/max8925-core.c
@@ -578,6 +578,10 @@ int __devinit max8925_device_init(struct max8925_chip *chip,
{
int ret;
+ if (!request_region(0, 0xff, "max8925")) {
+ dev_err(chip->dev, "Failed to register resource region\n");
+ return -EBUSY;
+ }
max8925_irq_init(chip, chip->i2c->irq, pdata);
if (pdata && (pdata->power || pdata->touch)) {
--
1.7.5.4
next reply other threads:[~2012-05-07 3:10 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-07 3:10 Haojian Zhuang [this message]
2012-05-07 3:10 ` [PATCH 2/2] ARM: mmp: add io head file Haojian Zhuang
2012-05-07 9:23 ` Arnd Bergmann
2012-05-07 7:58 ` [PATCH 1/2] mfd: max8925: request resource region Russell King - ARM Linux
2012-05-07 8:18 ` Haojian Zhuang
2012-05-07 8:59 ` Russell King - ARM Linux
2012-05-07 9:01 ` Mark Brown
2012-05-07 9:08 ` Russell King - ARM Linux
2012-05-07 9:47 ` Mark Brown
2012-05-07 10:14 ` Arnd Bergmann
2012-05-07 10:23 ` Haojian Zhuang
2012-05-07 11:21 ` Arnd Bergmann
2012-05-07 11:29 ` Mark Brown
[not found] ` <201205071319.48768.arnd@arndb.de>
2012-05-07 14:02 ` Samuel Ortiz
2012-05-07 14:15 ` Mark Brown
2012-05-07 15:15 ` Arnd Bergmann
2012-05-07 15:28 ` Mark Brown
2012-05-07 10:37 ` Mark Brown
[not found] ` <201205071314.51886.arnd@arndb.de>
2012-05-07 14:06 ` Mark Brown
2012-05-07 15:09 ` Arnd Bergmann
2012-05-07 15:17 ` Mark Brown
2012-05-07 19:26 ` Arnd Bergmann
2012-05-07 19:58 ` Mark Brown
2012-05-08 8:17 ` Mark Brown
2012-05-08 14:44 ` Arnd Bergmann
2012-05-08 15:31 ` Mark Brown
2012-05-09 12:43 ` Arnd Bergmann
2012-05-09 14:13 ` Mark Brown
2012-05-09 14:19 ` Arnd Bergmann
2012-05-09 14:42 ` Mark Brown
2012-05-09 15:03 ` Arnd Bergmann
2012-05-09 15:28 ` Mark Brown
2012-05-09 16:27 ` Arnd Bergmann
2012-05-09 16:18 ` Russell King - ARM Linux
2012-05-09 16:30 ` Mark Brown
2012-05-09 16:07 ` Russell King - ARM Linux
2012-05-09 16:26 ` Arnd Bergmann
2012-05-09 16:27 ` Russell King - ARM Linux
2012-05-07 18:57 ` Russell King - ARM Linux
2012-05-07 19:27 ` Mark Brown
2012-05-07 8:12 ` Samuel Ortiz
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