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path: root/drivers/fmc/fmc-core.c
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Diffstat (limited to 'drivers/fmc/fmc-core.c')
-rw-r--r--drivers/fmc/fmc-core.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/fmc/fmc-core.c b/drivers/fmc/fmc-core.c
index 24d52497524d..353fc546fb08 100644
--- a/drivers/fmc/fmc-core.c
+++ b/drivers/fmc/fmc-core.c
@@ -99,10 +99,23 @@ static ssize_t fmc_read_eeprom(struct file *file, struct kobject *kobj,
return count;
}
+static ssize_t fmc_write_eeprom(struct file *file, struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
+{
+ struct device *dev;
+ struct fmc_device *fmc;
+
+ dev = container_of(kobj, struct device, kobj);
+ fmc = container_of(dev, struct fmc_device, dev);
+ return fmc->op->write_ee(fmc, off, buf, count);
+}
+
static struct bin_attribute fmc_eeprom_attr = {
- .attr = { .name = "eeprom", .mode = S_IRUGO, },
+ .attr = { .name = "eeprom", .mode = S_IRUGO | S_IWUSR, },
.size = 8192, /* more or less standard */
.read = fmc_read_eeprom,
+ .write = fmc_write_eeprom,
};
/*
@@ -154,7 +167,7 @@ int fmc_device_register_n(struct fmc_device **devs, int n)
ret = -EINVAL;
break;
}
- if (fmc->flags == FMC_DEVICE_NO_MEZZANINE) {
+ if (fmc->flags & FMC_DEVICE_NO_MEZZANINE) {
dev_info(fmc->hwdev, "absent mezzanine in slot %d\n",
fmc->slot_id);
continue;
@@ -189,9 +202,6 @@ int fmc_device_register_n(struct fmc_device **devs, int n)
for (i = 0; i < n; i++) {
fmc = devarray[i];
- if (fmc->flags == FMC_DEVICE_NO_MEZZANINE)
- continue; /* dev_info already done above */
-
fmc->nr_slots = n; /* each slot must know how many are there */
fmc->devarray = devarray;
@@ -263,8 +273,6 @@ void fmc_device_unregister_n(struct fmc_device **devs, int n)
kfree(devs[0]->devarray);
for (i = 0; i < n; i++) {
- if (devs[i]->flags == FMC_DEVICE_NO_MEZZANINE)
- continue;
sysfs_remove_bin_file(&devs[i]->dev.kobj, &fmc_eeprom_attr);
device_del(&devs[i]->dev);
fmc_free_id_info(devs[i]);
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