From: peng.fan@nxp.com
To: shawnguo@kernel.org, s.hauer@pengutronix.de, aisheng.dong@nxp.com
Cc: kernel@pengutronix.de, festevam@gmail.com,
leonard.crestez@nxp.com, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com,
Peng Fan <peng.fan@nxp.com>
Subject: [PATCH] soc: imx: scu: use devm_kasprintf
Date: Wed, 3 Jun 2020 17:29:32 +0800 [thread overview]
Message-ID: <1591176572-9693-1-git-send-email-peng.fan@nxp.com> (raw)
From: Peng Fan <peng.fan@nxp.com>
Use devm_kasprintf to simplify code
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
drivers/soc/imx/soc-imx-scu.c | 37 +++++++++++--------------------------
1 file changed, 11 insertions(+), 26 deletions(-)
diff --git a/drivers/soc/imx/soc-imx-scu.c b/drivers/soc/imx/soc-imx-scu.c
index 20d37eaeb5f2..92448ca9a6f8 100644
--- a/drivers/soc/imx/soc-imx-scu.c
+++ b/drivers/soc/imx/soc-imx-scu.c
@@ -115,43 +115,28 @@ static int imx_scu_soc_probe(struct platform_device *pdev)
/* format soc_id value passed from SCU firmware */
val = id & 0x1f;
- soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "0x%x", val);
+ soc_dev_attr->soc_id = devm_kasprintf(&pdev->dev, GFP_KERNEL, "0x%x", val);
if (!soc_dev_attr->soc_id)
return -ENOMEM;
/* format revision value passed from SCU firmware */
val = (id >> 5) & 0xf;
val = (((val >> 2) + 1) << 4) | (val & 0x3);
- soc_dev_attr->revision = kasprintf(GFP_KERNEL,
- "%d.%d",
- (val >> 4) & 0xf,
- val & 0xf);
- if (!soc_dev_attr->revision) {
- ret = -ENOMEM;
- goto free_soc_id;
- }
+ soc_dev_attr->revision = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%d.%d",
+ (val >> 4) & 0xf, val & 0xf);
+ if (!soc_dev_attr->revision)
+ return -ENOMEM;
- soc_dev_attr->serial_number = kasprintf(GFP_KERNEL, "%016llX", uid);
- if (!soc_dev_attr->serial_number) {
- ret = -ENOMEM;
- goto free_revision;
- }
+ soc_dev_attr->serial_number = devm_kasprintf(&pdev->dev, GFP_KERNEL,
+ "%016llX", uid);
+ if (!soc_dev_attr->serial_number)
+ return -ENOMEM;
soc_dev = soc_device_register(soc_dev_attr);
- if (IS_ERR(soc_dev)) {
- ret = PTR_ERR(soc_dev);
- goto free_serial_number;
- }
+ if (IS_ERR(soc_dev))
+ return PTR_ERR(soc_dev);
return 0;
-
-free_serial_number:
- kfree(soc_dev_attr->serial_number);
-free_revision:
- kfree(soc_dev_attr->revision);
-free_soc_id:
- kfree(soc_dev_attr->soc_id);
- return ret;
}
static struct platform_driver imx_scu_soc_driver = {
--
2.16.4
next reply other threads:[~2020-06-03 9:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-03 9:29 peng.fan [this message]
2020-06-03 11:15 ` [PATCH] soc: imx: scu: use devm_kasprintf Daniel Baluta
2020-06-04 8:48 ` Aisheng Dong
2020-06-23 7:13 ` Shawn Guo
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