compat: add CONFIG_COMPAT_FIRMWARE_DATA_RW_NEEDS_FILP

Some kernels have versions of (struct bin_attribute)->{read,write}
that require a struct file * as their first argument.  This change
accommodates them in the firmware loader class.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>

diff --git a/compat/compat_firmware_class.c b/compat/compat_firmware_class.c
index 79cd543e1e51c5ae379886e9b5dbfa9a39975911..4eb5ba7e89e12c1570374041ba1c9132bb07db68 100644 (file)
--- a/compat/compat_firmware_class.c
+++ b/compat/compat_firmware_class.c
@@ -314,9 +314,15 @@ static ssize_t firmware_loading_store(struct device *dev,
 
 static DEVICE_ATTR(loading, 0644, firmware_loading_show, firmware_loading_store);
 
+#if defined(CONFIG_COMPAT_FIRMWARE_DATA_RW_NEEDS_FILP)
+static ssize_t firmware_data_read(struct file *filp, struct kobject *kobj,
+                                 struct bin_attribute *bin_attr,
+                                 char *buffer, loff_t offset, size_t count)
+#else
 static ssize_t firmware_data_read(struct kobject *kobj,
                                  struct bin_attribute *bin_attr,
                                  char *buffer, loff_t offset, size_t count)
+#endif
 {
        struct device *dev = to_dev(kobj);
        struct firmware_priv *fw_priv = to_firmware_priv(dev);
@@ -407,9 +413,15 @@ static int fw_realloc_buffer(struct firmware_priv *fw_priv, int min_size)
  *     Data written to the 'data' attribute will be later handed to
  *     the driver as a firmware image.
  **/
+#if defined(CONFIG_COMPAT_FIRMWARE_DATA_RW_NEEDS_FILP)
+static ssize_t firmware_data_write(struct file *filp, struct kobject *kobj,
+                                  struct bin_attribute *bin_attr,
+                                  char *buffer, loff_t offset, size_t count)
+#else
 static ssize_t firmware_data_write(struct kobject *kobj,
                                   struct bin_attribute *bin_attr,
                                   char *buffer, loff_t offset, size_t count)
+#endif
 {
        struct device *dev = to_dev(kobj);
        struct firmware_priv *fw_priv = to_firmware_priv(dev);