[PATCH 3/8] soc: integrator: Switch to use DEVICE_ATTR_RO()

From: Sudeep Holla
Date: Sat May 23 2020 - 13:09:29 EST


Move device attributes to DEVICE_ATTR_RO() as that would make things
a lot more "obvious" what is happening over the existing __ATTR usage.

Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
---
drivers/soc/versatile/soc-integrator.c | 40 +++++++++++---------------
1 file changed, 16 insertions(+), 24 deletions(-)

diff --git a/drivers/soc/versatile/soc-integrator.c b/drivers/soc/versatile/soc-integrator.c
index ae13fa2aa582..8ba98b3b4e8e 100644
--- a/drivers/soc/versatile/soc-integrator.c
+++ b/drivers/soc/versatile/soc-integrator.c
@@ -56,45 +56,37 @@ static const char *integrator_fpga_str(u32 id)
}
}

-static ssize_t integrator_get_manf(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t
+manufacturer_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%02x\n", integrator_coreid >> 24);
}

-static struct device_attribute integrator_manf_attr =
- __ATTR(manufacturer, S_IRUGO, integrator_get_manf, NULL);
+static DEVICE_ATTR_RO(manufacturer);

-static ssize_t integrator_get_arch(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t
+arch_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", integrator_arch_str(integrator_coreid));
}

-static struct device_attribute integrator_arch_attr =
- __ATTR(arch, S_IRUGO, integrator_get_arch, NULL);
+static DEVICE_ATTR_RO(arch);

-static ssize_t integrator_get_fpga(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t
+fpga_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", integrator_fpga_str(integrator_coreid));
}

-static struct device_attribute integrator_fpga_attr =
- __ATTR(fpga, S_IRUGO, integrator_get_fpga, NULL);
+static DEVICE_ATTR_RO(fpga);

-static ssize_t integrator_get_build(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t
+build_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%02x\n", (integrator_coreid >> 4) & 0xFF);
}

-static struct device_attribute integrator_build_attr =
- __ATTR(build, S_IRUGO, integrator_get_build, NULL);
+static DEVICE_ATTR_RO(build);

static int __init integrator_soc_init(void)
{
@@ -134,10 +126,10 @@ static int __init integrator_soc_init(void)
}
dev = soc_device_to_device(soc_dev);

- device_create_file(dev, &integrator_manf_attr);
- device_create_file(dev, &integrator_arch_attr);
- device_create_file(dev, &integrator_fpga_attr);
- device_create_file(dev, &integrator_build_attr);
+ device_create_file(dev, &dev_attr_manufacturer);
+ device_create_file(dev, &dev_attr_arch);
+ device_create_file(dev, &dev_attr_fpga);
+ device_create_file(dev, &dev_attr_build);

dev_info(dev, "Detected ARM core module:\n");
dev_info(dev, " Manufacturer: %02x\n", (val >> 24));
--
2.17.1