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https://github.com/brain-hackers/u-boot-brain
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8c1de5e08b
Putting zero length array at the end of struct is a common technique to embed arbitrary length of members. There is no good reason to let regmap_alloc_count() branch by "if (count <= 1)". As far as I understood the code, regmap->base is an alias of regmap->ranges[0].start, but it is not helpful but make the code just ugly. Rename regmap_alloc_count() to regmap_alloc() because the _count suffix seems pointless. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org> [trini: fixup cpu_info-rcar.c] Signed-off-by: Tom Rini <trini@konsulko.com>
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2015 Google, Inc
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*/
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#include <common.h>
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#include <dm.h>
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#include <mapmem.h>
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#include <regmap.h>
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#include <syscon.h>
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#include <asm/test.h>
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#include <dm/test.h>
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#include <test/ut.h>
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/* Base test of register maps */
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static int dm_test_regmap_base(struct unit_test_state *uts)
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{
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struct udevice *dev;
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struct regmap *map;
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int i;
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ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
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map = syscon_get_regmap(dev);
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ut_assertok_ptr(map);
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ut_asserteq(1, map->range_count);
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ut_asserteq(0x10, map->ranges[0].start);
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ut_asserteq(4, map->ranges[0].size);
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ut_asserteq(0x10, map_to_sysmem(regmap_get_range(map, 0)));
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ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
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map = syscon_get_regmap(dev);
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ut_assertok_ptr(map);
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ut_asserteq(4, map->range_count);
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ut_asserteq(0x20, map->ranges[0].start);
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for (i = 0; i < 4; i++) {
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const unsigned long addr = 0x20 + 8 * i;
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ut_asserteq(addr, map->ranges[i].start);
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ut_asserteq(5 + i, map->ranges[i].size);
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ut_asserteq(addr, map_to_sysmem(regmap_get_range(map, i)));
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}
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/* Check that we can't pretend a different device is a syscon */
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ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev));
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map = syscon_get_regmap(dev);
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ut_asserteq_ptr(ERR_PTR(-ENOEXEC), map);
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return 0;
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}
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DM_TEST(dm_test_regmap_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test we can access a regmap through syscon */
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static int dm_test_regmap_syscon(struct unit_test_state *uts)
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{
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struct regmap *map;
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map = syscon_get_regmap_by_driver_data(SYSCON0);
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ut_assertok_ptr(map);
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ut_asserteq(1, map->range_count);
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map = syscon_get_regmap_by_driver_data(SYSCON1);
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ut_assertok_ptr(map);
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ut_asserteq(4, map->range_count);
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map = syscon_get_regmap_by_driver_data(SYSCON_COUNT);
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ut_asserteq_ptr(ERR_PTR(-ENODEV), map);
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ut_asserteq(0x10, map_to_sysmem(syscon_get_first_range(SYSCON0)));
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ut_asserteq(0x20, map_to_sysmem(syscon_get_first_range(SYSCON1)));
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ut_asserteq_ptr(ERR_PTR(-ENODEV),
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syscon_get_first_range(SYSCON_COUNT));
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return 0;
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}
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DM_TEST(dm_test_regmap_syscon, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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