rapidio: fix sysfs config attribute to access 16MB of maint space

[uclinux-h8/linux.git] / drivers / rapidio / rio-sysfs.c

diff --git a/drivers/rapidio/rio-sysfs.c b/drivers/rapidio/rio-sysfs.c
index 76b4185..1269fbd 100644 (file)
--- a/drivers/rapidio/rio-sysfs.c
+++ b/drivers/rapidio/rio-sysfs.c
@@ -77,9 +77,9 @@ rio_read_config(struct file *filp, struct kobject *kobj,
 
        /* Several chips lock up trying to read undefined config space */
        if (capable(CAP_SYS_ADMIN))
-               size = 0x200000;
+               size = RIO_MAINT_SPACE_SZ;
 
-       if (off > size)
+       if (off >= size)
                return 0;
        if (off + count > size) {
                size -= off;
@@ -147,10 +147,10 @@ rio_write_config(struct file *filp, struct kobject *kobj,
        loff_t init_off = off;
        u8 *data = (u8 *) buf;
 
-       if (off > 0x200000)
+       if (off >= RIO_MAINT_SPACE_SZ)
                return 0;
-       if (off + count > 0x200000) {
-               size = 0x200000 - off;
+       if (off + count > RIO_MAINT_SPACE_SZ) {
+               size = RIO_MAINT_SPACE_SZ - off;
                count = size;
        }
 
@@ -200,7 +200,7 @@ static struct bin_attribute rio_config_attr = {
                 .name = "config",
                 .mode = S_IRUGO | S_IWUSR,
                 },
-       .size = 0x200000,
+       .size = RIO_MAINT_SPACE_SZ,
        .read = rio_read_config,
        .write = rio_write_config,
 };