dell-smbios: rename clear_buffer() to dell_smbios_clear_buffer()

As clear_buffer() is exported from the module, it has to be renamed to
something less generic, so add a "dell_smbios_" prefix to the function
name.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>

drivers/platform/x86/dell-laptop.c

@@ -425,7 +425,7 @@ static int dell_rfkill_set(void *data, bool blocked)
 	if (ret != 0)
 		goto out;
 
-	clear_buffer();
+	dell_smbios_clear_buffer();
 
 	buffer->input[0] = 0x2;
 	dell_send_request(buffer, 17, 11);
@@ -438,7 +438,7 @@ static int dell_rfkill_set(void *data, bool blocked)
 	    (status & BIT(0)) && !(status & BIT(16)))
 		disable = 1;
 
-	clear_buffer();
+	dell_smbios_clear_buffer();
 
 	buffer->input[0] = (1 | (radio<<8) | (disable << 16));
 	dell_send_request(buffer, 17, 11);
@@ -456,7 +456,7 @@ static void dell_rfkill_update_sw_state(struct rfkill *rfkill, int radio,
 	if (status & BIT(0)) {
 		/* Has hw-switch, sync sw_state to BIOS */
 		int block = rfkill_blocked(rfkill);
-		clear_buffer();
+		dell_smbios_clear_buffer();
 		buffer->input[0] = (1 | (radio << 8) | (block << 16));
 		dell_send_request(buffer, 17, 11);
 	} else {
@@ -490,7 +490,7 @@ static void dell_rfkill_query(struct rfkill *rfkill, void *data)
 		return;
 	}
 
-	clear_buffer();
+	dell_smbios_clear_buffer();
 
 	buffer->input[0] = 0x2;
 	dell_send_request(buffer, 17, 11);
@@ -525,7 +525,7 @@ static int dell_debugfs_show(struct seq_file *s, void *data)
 	ret = buffer->output[0];
 	status = buffer->output[1];
 
-	clear_buffer();
+	dell_smbios_clear_buffer();
 
 	buffer->input[0] = 0x2;
 	dell_send_request(buffer, 17, 11);
@@ -626,7 +626,7 @@ static void dell_update_rfkill(struct work_struct *ignored)
 	if (ret != 0)
 		goto out;
 
-	clear_buffer();
+	dell_smbios_clear_buffer();
 
 	buffer->input[0] = 0x2;
 	dell_send_request(buffer, 17, 11);

drivers/platform/x86/dell-smbios.c

@@ -44,15 +44,15 @@ EXPORT_SYMBOL_GPL(da_tokens);
 void dell_smbios_get_buffer(void)
 {
 	mutex_lock(&buffer_mutex);
-	clear_buffer();
+	dell_smbios_clear_buffer();
 }
 EXPORT_SYMBOL_GPL(dell_smbios_get_buffer);
 
-void clear_buffer(void)
+void dell_smbios_clear_buffer(void)
 {
 	memset(buffer, 0, sizeof(struct calling_interface_buffer));
 }
-EXPORT_SYMBOL_GPL(clear_buffer);
+EXPORT_SYMBOL_GPL(dell_smbios_clear_buffer);
 
 void release_buffer(void)
 {

drivers/platform/x86/dell-smbios.h

@@ -39,7 +39,7 @@ extern struct calling_interface_buffer *buffer;
 extern struct calling_interface_token *da_tokens;
 
 void dell_smbios_get_buffer(void);
-void clear_buffer(void);
+void dell_smbios_clear_buffer(void);
 void release_buffer(void);
 struct calling_interface_buffer *
 dell_send_request(struct calling_interface_buffer *buffer,