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dtoc: Show driver warnings once at the end 

At present warnings are shown as soon as they are discovered in the
source scannner. But the function that detects them may be called multiple
times.

Collect all the warnings and show them at the end.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-03-26 16:17:25 +13:00
parent 5f86454b3d
commit 0c59acef34
4 changed files with 33 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
tools/dtoc/dtb_platdata.py
View File

@ -1194,8 +1194,7 @@ def run_steps(args, dtb_file, include_disabled, output, output_dirs, phase,
raise ValueError('Must specify either output or output_dirs, not both')
if not scan:
scan = src_scan.Scanner(basedir, warning_disabled, drivers_additional,
phase)
scan = src_scan.Scanner(basedir, drivers_additional, phase)
scan.scan_drivers()
do_process = True
else:
@ -1232,4 +1231,7 @@ def run_steps(args, dtb_file, include_disabled, output, output_dirs, phase,
plat.out_header(outfile)
outfile.method(plat)
plat.finish_output()
if not warning_disabled:
scan.show_warnings()
return plat

15
tools/dtoc/src_scan.py
View File

@ -188,7 +188,6 @@ class Scanner:
key: Driver alias declared with
DM_DRIVER_ALIAS(driver_alias, driver_name)
value: Driver name declared with U_BOOT_DRIVER(driver_name)
_warning_disabled: true to disable warnings about driver names not found
_drivers_additional (list or str): List of additional drivers to use
during scanning
_of_match: Dict holding information about compatible strings
@ -206,7 +205,7 @@ class Scanner:
_phase: The phase of U-Boot that we are generating data for, e.g. 'spl'
or 'tpl'. None if not known
"""
def __init__(self, basedir, warning_disabled, drivers_additional, phase=''):
def __init__(self, basedir, drivers_additional, phase=''):
"""Set up a new Scanner
"""
if not basedir:
@ -217,7 +216,7 @@ class Scanner:
self._drivers = {}
self._driver_aliases = {}
self._drivers_additional = drivers_additional or []
self._warning_disabled = warning_disabled
self._missing_drivers = set()
self._of_match = {}
self._compat_to_driver = {}
self._uclass = {}
@ -268,9 +267,7 @@ class Scanner:
aliases_c.remove(compat_c)
return compat_c, aliases_c
if not self._warning_disabled:
print('WARNING: the driver %s was not found in the driver list'
% (compat_list_c[0]))
self._missing_drivers.add(compat_list_c[0])
return compat_list_c[0], compat_list_c[1:]
@ -578,6 +575,12 @@ class Scanner:
self._drivers[driver.name] = driver
self._of_match.update(of_match)
def show_warnings(self):
"""Show any warnings that have been collected"""
for name in sorted(list(self._missing_drivers)):
print('WARNING: the driver %s was not found in the driver list'
% name)
def scan_driver(self, fname):
"""Scan a driver file to build a list of driver names and aliases

2
tools/dtoc/test_dtoc.py
View File

@ -104,7 +104,7 @@ def setup():
# Disable warnings so that calls to get_normalized_compat_name() will not
# output things.
saved_scan = src_scan.Scanner(None, True, False)
saved_scan = src_scan.Scanner(None, False)
saved_scan.scan_drivers()
def copy_scan():

38
tools/dtoc/test_src_scan.py
View File

@ -48,7 +48,7 @@ class TestSrcScan(unittest.TestCase):
def test_simple(self):
"""Simple test of scanning drivers"""
scan = src_scan.Scanner(None, True, None)
scan = src_scan.Scanner(None, None)
scan.scan_drivers()
self.assertIn('sandbox_gpio', scan._drivers)
self.assertIn('sandbox_gpio_alias', scan._driver_aliases)
@ -59,8 +59,7 @@ class TestSrcScan(unittest.TestCase):
def test_additional(self):
"""Test with additional drivers to scan"""
scan = src_scan.Scanner(
None, True,
[None, '', 'tools/dtoc/test/dtoc_test_scan_drivers.cxx'])
None, [None, '', 'tools/dtoc/test/dtoc_test_scan_drivers.cxx'])
scan.scan_drivers()
self.assertIn('sandbox_gpio_alias2', scan._driver_aliases)
self.assertEqual('sandbox_gpio',
@ -77,7 +76,7 @@ class TestSrcScan(unittest.TestCase):
with open(driver_fn, 'wb+') as fout:
fout.write(b'\x81')
scan = src_scan.Scanner(None, True, [driver_fn])
scan = src_scan.Scanner(None, [driver_fn])
with test_util.capture_sys_output() as (stdout, _):
scan.scan_drivers()
self.assertRegex(stdout.getvalue(),
@ -126,7 +125,7 @@ class TestSrcScan(unittest.TestCase):
# Mock out scan_driver and check that it is called with the
# expected files
with mock.patch.object(src_scan.Scanner, "scan_driver") as mocked:
scan = src_scan.Scanner(indir, True, None)
scan = src_scan.Scanner(indir, None)
scan.scan_drivers()
self.assertEqual(2, len(mocked.mock_calls))
self.assertEqual(mock.call(fname_list[0]),
@ -141,7 +140,7 @@ class TestSrcScan(unittest.TestCase):
"""Test scanning of a driver"""
fname = os.path.join(OUR_PATH, '..', '..', 'drivers/i2c/tegra_i2c.c')
buff = tools.ReadFile(fname, False)
scan = src_scan.Scanner(None, False, None)
scan = src_scan.Scanner(None, None)
scan._parse_driver(fname, buff)
self.assertIn('i2c_tegra', scan._drivers)
drv = scan._drivers['i2c_tegra']
@ -165,14 +164,15 @@ class TestSrcScan(unittest.TestCase):
# get_normalized_compat_name() uses this to check for root node
node.parent = FakeNode()
scan = src_scan.Scanner(None, False, None)
scan = src_scan.Scanner(None, None)
with test_util.capture_sys_output() as (stdout, _):
name, aliases = scan.get_normalized_compat_name(node)
self.assertEqual('rockchip_rk3288_grf', name)
self.assertEqual([], aliases)
self.assertEqual(
'WARNING: the driver rockchip_rk3288_grf was not found in the driver list',
stdout.getvalue().strip())
self.assertEqual(1, len(scan._missing_drivers))
self.assertEqual({'rockchip_rk3288_grf'}, scan._missing_drivers)
#'WARNING: the driver rockchip_rk3288_grf was not found in the driver list',
#stdout.getvalue().strip())
i2c = 'I2C_UCLASS'
compat = {'rockchip,rk3288-grf': 'ROCKCHIP_SYSCON_GRF',
@ -211,7 +211,7 @@ U_BOOT_DRIVER(i2c_tegra) = {
.of_match = tegra_i2c_ids,
};
'''
scan = src_scan.Scanner(None, False, None)
scan = src_scan.Scanner(None, None)
with self.assertRaises(ValueError) as exc:
scan._parse_driver('file.c', buff)
self.assertIn(
@ -232,7 +232,7 @@ U_BOOT_DRIVER(i2c_tegra) = {
.of_match = of_match_ptr(tegra_i2c_ids),
};
'''
scan = src_scan.Scanner(None, False, None)
scan = src_scan.Scanner(None, None)
scan._parse_driver('file.c', buff)
self.assertIn('i2c_tegra', scan._drivers)
drv = scan._drivers['i2c_tegra']
@ -261,7 +261,7 @@ U_BOOT_DRIVER(testing) = {
DM_HEADER(<asm/clk.h>)
};
'''
scan = src_scan.Scanner(None, False, None)
scan = src_scan.Scanner(None, None)
scan._parse_driver('file.c', buff)
self.assertIn('testing', scan._drivers)
drv = scan._drivers['testing']
@ -293,7 +293,7 @@ UCLASS_DRIVER(i2c) = {
};
'''
scan = src_scan.Scanner(None, False, None)
scan = src_scan.Scanner(None, None)
scan._parse_uclass_driver('file.c', buff)
self.assertIn('UCLASS_I2C', scan._uclass)
drv = scan._uclass['UCLASS_I2C']
@ -325,7 +325,7 @@ UCLASS_DRIVER(i2c) = {
};
'''
scan = src_scan.Scanner(None, False, None)
scan = src_scan.Scanner(None, None)
with self.assertRaises(ValueError) as exc:
scan._parse_uclass_driver('file.c', buff)
self.assertIn("file.c: Cannot parse uclass ID in driver 'i2c'",
@ -340,7 +340,7 @@ struct some_struct1 {
uint nmsgs;
};
'''
scan = src_scan.Scanner(None, False, None)
scan = src_scan.Scanner(None, None)
scan._basedir = os.path.join(OUR_PATH, '..', '..')
scan._parse_structs('arch/arm/include/asm/file.h', buff)
self.assertIn('some_struct1', scan._structs)
@ -371,7 +371,7 @@ struct another_struct {
output = tools.GetOutputFilename('output.h')
tools.WriteFile(output, b'struct this is a test \x81 of bad unicode')
scan = src_scan.Scanner(None, False, None)
scan = src_scan.Scanner(None, None)
with test_util.capture_sys_output() as (stdout, _):
scan.scan_header(output)
self.assertIn('due to unicode error', stdout.getvalue())
@ -411,7 +411,7 @@ U_BOOT_DRIVER(%s) = {
.of_match = test_ids,
};
''' % name
scan = src_scan.Scanner(None, False, None, phase)
scan = src_scan.Scanner(None, None, phase)
scan._parse_driver('file1.c', driver1)
self.assertIn(name, scan._drivers)
drv1 = scan._drivers[name]
@ -476,7 +476,7 @@ U_BOOT_DRIVER(%s) = {
def test_sequence(self):
"""Test assignment of sequence numnbers"""
scan = src_scan.Scanner(None, False, None, '')
scan = src_scan.Scanner(None, None, '')
node = FakeNode()
uc = src_scan.UclassDriver('UCLASS_I2C')
node.uclass = uc