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mtd: core: use MTD_DEVICE_ATTR_RO/RW() helper macros

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Use MTD_DEVICE_ATTR_RO/RW() helper macros instead of plain DEVICE_ATTR(),
which makes the code a bit shorter and easier to read.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210603125323.12142-3-thunder.leizhen@huawei.com
This commit is contained in:
Zhen Lei 2021-06-03 20:53:23 +08:00 committed by Miquel Raynal
parent b4e248632c
commit a17da115ac
1 changed files with 21 additions and 25 deletions
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46
drivers/mtd/mtdcore.c
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@ -139,7 +139,7 @@ static ssize_t mtd_type_show(struct device *dev,
return sysfs_emit(buf, "%s\n", type);
}
static DEVICE_ATTR(type, S_IRUGO, mtd_type_show, NULL);
MTD_DEVICE_ATTR_RO(type);
static ssize_t mtd_flags_show(struct device *dev,
struct device_attribute *attr, char *buf)
@ -148,7 +148,7 @@ static ssize_t mtd_flags_show(struct device *dev,
return sysfs_emit(buf, "0x%lx\n", (unsigned long)mtd->flags);
}
static DEVICE_ATTR(flags, S_IRUGO, mtd_flags_show, NULL);
MTD_DEVICE_ATTR_RO(flags);
static ssize_t mtd_size_show(struct device *dev,
struct device_attribute *attr, char *buf)
@ -157,7 +157,7 @@ static ssize_t mtd_size_show(struct device *dev,
return sysfs_emit(buf, "%llu\n", (unsigned long long)mtd->size);
}
static DEVICE_ATTR(size, S_IRUGO, mtd_size_show, NULL);
MTD_DEVICE_ATTR_RO(size);
static ssize_t mtd_erasesize_show(struct device *dev,
struct device_attribute *attr, char *buf)
@ -166,7 +166,7 @@ static ssize_t mtd_erasesize_show(struct device *dev,
return sysfs_emit(buf, "%lu\n", (unsigned long)mtd->erasesize);
}
static DEVICE_ATTR(erasesize, S_IRUGO, mtd_erasesize_show, NULL);
MTD_DEVICE_ATTR_RO(erasesize);
static ssize_t mtd_writesize_show(struct device *dev,
struct device_attribute *attr, char *buf)
@ -175,7 +175,7 @@ static ssize_t mtd_writesize_show(struct device *dev,
return sysfs_emit(buf, "%lu\n", (unsigned long)mtd->writesize);
}
static DEVICE_ATTR(writesize, S_IRUGO, mtd_writesize_show, NULL);
MTD_DEVICE_ATTR_RO(writesize);
static ssize_t mtd_subpagesize_show(struct device *dev,
struct device_attribute *attr, char *buf)
@ -185,7 +185,7 @@ static ssize_t mtd_subpagesize_show(struct device *dev,
return sysfs_emit(buf, "%u\n", subpagesize);
}
static DEVICE_ATTR(subpagesize, S_IRUGO, mtd_subpagesize_show, NULL);
MTD_DEVICE_ATTR_RO(subpagesize);
static ssize_t mtd_oobsize_show(struct device *dev,
struct device_attribute *attr, char *buf)
@ -194,7 +194,7 @@ static ssize_t mtd_oobsize_show(struct device *dev,
return sysfs_emit(buf, "%lu\n", (unsigned long)mtd->oobsize);
}
static DEVICE_ATTR(oobsize, S_IRUGO, mtd_oobsize_show, NULL);
MTD_DEVICE_ATTR_RO(oobsize);
static ssize_t mtd_oobavail_show(struct device *dev,
struct device_attribute *attr, char *buf)
@ -203,7 +203,7 @@ static ssize_t mtd_oobavail_show(struct device *dev,
return sysfs_emit(buf, "%u\n", mtd->oobavail);
}
static DEVICE_ATTR(oobavail, S_IRUGO, mtd_oobavail_show, NULL);
MTD_DEVICE_ATTR_RO(oobavail);
static ssize_t mtd_numeraseregions_show(struct device *dev,
struct device_attribute *attr, char *buf)
@ -212,8 +212,7 @@ static ssize_t mtd_numeraseregions_show(struct device *dev,
return sysfs_emit(buf, "%u\n", mtd->numeraseregions);
}
static DEVICE_ATTR(numeraseregions, S_IRUGO, mtd_numeraseregions_show,
NULL);
MTD_DEVICE_ATTR_RO(numeraseregions);
static ssize_t mtd_name_show(struct device *dev,
struct device_attribute *attr, char *buf)
@ -222,7 +221,7 @@ static ssize_t mtd_name_show(struct device *dev,
return sysfs_emit(buf, "%s\n", mtd->name);
}
static DEVICE_ATTR(name, S_IRUGO, mtd_name_show, NULL);
MTD_DEVICE_ATTR_RO(name);
static ssize_t mtd_ecc_strength_show(struct device *dev,
struct device_attribute *attr, char *buf)
@ -231,7 +230,7 @@ static ssize_t mtd_ecc_strength_show(struct device *dev,
return sysfs_emit(buf, "%u\n", mtd->ecc_strength);
}
static DEVICE_ATTR(ecc_strength, S_IRUGO, mtd_ecc_strength_show, NULL);
MTD_DEVICE_ATTR_RO(ecc_strength);
static ssize_t mtd_bitflip_threshold_show(struct device *dev,
struct device_attribute *attr,
@ -257,9 +256,7 @@ static ssize_t mtd_bitflip_threshold_store(struct device *dev,
mtd->bitflip_threshold = bitflip_threshold;
return count;
}
static DEVICE_ATTR(bitflip_threshold, S_IRUGO | S_IWUSR,
mtd_bitflip_threshold_show,
mtd_bitflip_threshold_store);
MTD_DEVICE_ATTR_RW(bitflip_threshold);
static ssize_t mtd_ecc_step_size_show(struct device *dev,
struct device_attribute *attr, char *buf)
@ -269,9 +266,9 @@ static ssize_t mtd_ecc_step_size_show(struct device *dev,
return sysfs_emit(buf, "%u\n", mtd->ecc_step_size);
}
static DEVICE_ATTR(ecc_step_size, S_IRUGO, mtd_ecc_step_size_show, NULL);
MTD_DEVICE_ATTR_RO(ecc_step_size);
static ssize_t mtd_ecc_stats_corrected_show(struct device *dev,
static ssize_t mtd_corrected_bits_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_get_drvdata(dev);
@ -279,10 +276,9 @@ static ssize_t mtd_ecc_stats_corrected_show(struct device *dev,
return sysfs_emit(buf, "%u\n", ecc_stats->corrected);
}
static DEVICE_ATTR(corrected_bits, S_IRUGO,
mtd_ecc_stats_corrected_show, NULL);
MTD_DEVICE_ATTR_RO(corrected_bits); /* ecc stats corrected */
static ssize_t mtd_ecc_stats_errors_show(struct device *dev,
static ssize_t mtd_ecc_failures_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_get_drvdata(dev);
@ -290,9 +286,9 @@ static ssize_t mtd_ecc_stats_errors_show(struct device *dev,
return sysfs_emit(buf, "%u\n", ecc_stats->failed);
}
static DEVICE_ATTR(ecc_failures, S_IRUGO, mtd_ecc_stats_errors_show, NULL);
MTD_DEVICE_ATTR_RO(ecc_failures); /* ecc stats errors */
static ssize_t mtd_badblocks_show(struct device *dev,
static ssize_t mtd_bad_blocks_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_get_drvdata(dev);
@ -300,9 +296,9 @@ static ssize_t mtd_badblocks_show(struct device *dev,
return sysfs_emit(buf, "%u\n", ecc_stats->badblocks);
}
static DEVICE_ATTR(bad_blocks, S_IRUGO, mtd_badblocks_show, NULL);
MTD_DEVICE_ATTR_RO(bad_blocks);
static ssize_t mtd_bbtblocks_show(struct device *dev,
static ssize_t mtd_bbt_blocks_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_get_drvdata(dev);
@ -310,7 +306,7 @@ static ssize_t mtd_bbtblocks_show(struct device *dev,
return sysfs_emit(buf, "%u\n", ecc_stats->bbtblocks);
}
static DEVICE_ATTR(bbt_blocks, S_IRUGO, mtd_bbtblocks_show, NULL);
MTD_DEVICE_ATTR_RO(bbt_blocks);
static struct attribute *mtd_attrs[] = {
&dev_attr_type.attr,