[PATCH 2/2] dtoc: remove compatible string aliases support

[Walter Lozano]

After latest improvements in dtoc, compatible strings are checked
against driver and driver alias list to get a valid driver name. With
this new feature the list of compatible string  aliases seems not
useful any more.

Signed-off-by: Walter Lozano <walter.lozano at collabora.com>
---

 tools/dtoc/dtb_platdata.py | 13 ------------
 tools/dtoc/test_dtoc.py    | 43 --------------------------------------
 2 files changed, 56 deletions(-)

diff --git a/tools/dtoc/dtb_platdata.py b/tools/dtoc/dtb_platdata.py
index b1b082e508..c28768f4a2 100644
--- a/tools/dtoc/dtb_platdata.py
+++ b/tools/dtoc/dtb_platdata.py
@@ -139,9 +139,6 @@ class DtbPlatdata(object):
         _outfile: The current output file (sys.stdout or a real file)
         _warning_disabled: true to disable warnings about driver names not found
         _lines: Stashed list of output lines for outputting in the future
-        _aliases: Dict that hold aliases for compatible strings
-            key: First compatible string declared in a node
-            value: List of additional compatible strings declared in a node
         _drivers: List of valid driver names found in drivers/
         _driver_aliases: Dict that holds aliases for driver names
             key: Driver alias declared with
@@ -157,7 +154,6 @@ class DtbPlatdata(object):
         self._outfile = None
         self._warning_disabled = warning_disabled
         self._lines = []
-        self._aliases = {}
         self._drivers = []
         self._driver_aliases = {}
         self._links = []
@@ -483,10 +479,6 @@ class DtbPlatdata(object):
                     prop.Widen(struct[name])
             upto += 1
 
-            struct_name, aliases = self.get_normalized_compat_name(node)
-            for alias in aliases:
-                self._aliases[alias] = struct_name
-
         return structs
 
     def scan_phandles(self):
@@ -549,11 +541,6 @@ class DtbPlatdata(object):
                 self.out(';\n')
             self.out('};\n')
 
-        for alias, struct_name in self._aliases.items():
-            if alias not in sorted(structs):
-                self.out('#define %s%s %s%s\n'% (STRUCT_PREFIX, alias,
-                                                 STRUCT_PREFIX, struct_name))
-
     def output_node(self, node):
         """Output the C code for a node
 
diff --git a/tools/dtoc/test_dtoc.py b/tools/dtoc/test_dtoc.py
index edb3912e94..169ecd6e6e 100755
--- a/tools/dtoc/test_dtoc.py
+++ b/tools/dtoc/test_dtoc.py
@@ -290,7 +290,6 @@ struct dtd_sandbox_gpio {
 \tbool\t\tgpio_controller;
 \tfdt32_t\t\tsandbox_gpio_count;
 };
-#define dtd_sandbox_gpio_alias dtd_sandbox_gpio
 ''', data)
 
         self.run_test(['platdata'], dtb_file, output)
@@ -555,48 +554,6 @@ void dm_populate_phandle_data(void) {
         self.assertIn("Node 'phandle-target' has no cells property",
                       str(e.exception))
 
-    def test_aliases(self):
-        """Test output from a node with multiple compatible strings"""
-        dtb_file = get_dtb_file('dtoc_test_aliases.dts')
-        output = tools.GetOutputFilename('output')
-        self.run_test(['struct'], dtb_file, output)
-        with open(output) as infile:
-            data = infile.read()
-        self._CheckStrings(HEADER + '''
-struct dtd_compat1 {
-\tfdt32_t\t\tintval;
-};
-struct dtd_simple_bus {
-\tfdt32_t\t\tintval;
-};
-#define dtd_compat2_1_fred dtd_compat1
-#define dtd_compat3 dtd_compat1
-''', data)
-
-        self.run_test(['platdata'], dtb_file, output)
-        with open(output) as infile:
-            data = infile.read()
-        self._CheckStrings(C_HEADER + '''
-static struct dtd_compat1 dtv_spl_test = {
-\t.intval\t\t\t= 0x1,
-};
-U_BOOT_DEVICE(spl_test) = {
-\t.name\t\t= "compat1",
-\t.platdata\t= &dtv_spl_test,
-\t.platdata_size\t= sizeof(dtv_spl_test),
-};
-
-static struct dtd_simple_bus dtv_spl_test2 = {
-\t.intval\t\t\t= 0x1,
-};
-U_BOOT_DEVICE(spl_test2) = {
-\t.name\t\t= "simple_bus",
-\t.platdata\t= &dtv_spl_test2,
-\t.platdata_size\t= sizeof(dtv_spl_test2),
-};
-
-''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
-
     def test_addresses64(self):
         """Test output from a node with a 'reg' property with na=2, ns=2"""
         dtb_file = get_dtb_file('dtoc_test_addr64.dts')
-- 
2.20.1