At present this option results in a number of #ifdefs due to the presence or absence of the global_data of_root member.
Add a few macros to global_data.h to work around this. Update the code accordingly.
Signed-off-by: Simon Glass sjg@chromium.org ---
common/board_r.c | 19 +++++++++---------- drivers/core/Makefile | 2 +- drivers/core/root.c | 27 +++++++++------------------ include/asm-generic/global_data.h | 13 ++++++++++++- include/dm/of.h | 9 +-------- test/dm/test-main.c | 16 +++++----------- 6 files changed, 37 insertions(+), 49 deletions(-)
diff --git a/common/board_r.c b/common/board_r.c index 9b2fec701a5..1f37345f940 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -295,20 +295,21 @@ static int initr_noncached(void) } #endif
-#ifdef CONFIG_OF_LIVE static int initr_of_live(void) { - int ret; + if (CONFIG_IS_ENABLED(OF_LIVE)) { + int ret;
- bootstage_start(BOOTSTAGE_ID_ACCUM_OF_LIVE, "of_live"); - ret = of_live_build(gd->fdt_blob, (struct device_node **)&gd->of_root); - bootstage_accum(BOOTSTAGE_ID_ACCUM_OF_LIVE); - if (ret) - return ret; + bootstage_start(BOOTSTAGE_ID_ACCUM_OF_LIVE, "of_live"); + ret = of_live_build(gd->fdt_blob, + (struct device_node **)gd_of_root_ptr()); + bootstage_accum(BOOTSTAGE_ID_ACCUM_OF_LIVE); + if (ret) + return ret; + }
return 0; } -#endif
#ifdef CONFIG_DM static int initr_dm(void) @@ -701,9 +702,7 @@ static init_fnc_t init_sequence_r[] = { #ifdef CONFIG_SYS_NONCACHED_MEMORY initr_noncached, #endif -#ifdef CONFIG_OF_LIVE initr_of_live, -#endif #ifdef CONFIG_DM initr_dm, #endif diff --git a/drivers/core/Makefile b/drivers/core/Makefile index 10f4bece335..5edd4e41357 100644 --- a/drivers/core/Makefile +++ b/drivers/core/Makefile @@ -11,7 +11,7 @@ obj-$(CONFIG_SIMPLE_PM_BUS) += simple-pm-bus.o obj-$(CONFIG_DM) += dump.o obj-$(CONFIG_$(SPL_TPL_)REGMAP) += regmap.o obj-$(CONFIG_$(SPL_TPL_)SYSCON) += syscon-uclass.o -obj-$(CONFIG_OF_LIVE) += of_access.o of_addr.o +obj-$(CONFIG_$(SPL_)OF_LIVE) += of_access.o of_addr.o ifndef CONFIG_DM_DEV_READ_INLINE obj-$(CONFIG_OF_CONTROL) += read.o endif diff --git a/drivers/core/root.c b/drivers/core/root.c index 0726be6b795..de23161cff8 100644 --- a/drivers/core/root.c +++ b/drivers/core/root.c @@ -61,7 +61,7 @@ void fix_drivers(void) for (entry = drv; entry != drv + n_ents; entry++) { if (entry->of_match) entry->of_match = (const struct udevice_id *) - ((u32)entry->of_match + gd->reloc_off); + ((ulong)entry->of_match + gd->reloc_off); if (entry->bind) entry->bind += gd->reloc_off; if (entry->probe) @@ -151,11 +151,9 @@ int dm_init(bool of_live) if (ret) return ret; #if CONFIG_IS_ENABLED(OF_CONTROL) -# if CONFIG_IS_ENABLED(OF_LIVE) - if (of_live) - DM_ROOT_NON_CONST->node = np_to_ofnode(gd->of_root); + if (CONFIG_IS_ENABLED(OF_LIVE) && of_live) + DM_ROOT_NON_CONST->node = np_to_ofnode(gd_of_root()); else -#endif DM_ROOT_NON_CONST->node = offset_to_ofnode(0); #endif ret = device_probe(DM_ROOT_NON_CONST); @@ -196,7 +194,7 @@ int dm_scan_platdata(bool pre_reloc_only) return ret; }
-#if CONFIG_IS_ENABLED(OF_LIVE) +#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA) static int dm_scan_fdt_live(struct udevice *parent, const struct device_node *node_parent, bool pre_reloc_only) @@ -223,9 +221,7 @@ static int dm_scan_fdt_live(struct udevice *parent,
return ret; } -#endif /* CONFIG_IS_ENABLED(OF_LIVE) */
-#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA) /** * dm_scan_fdt_node() - Scan the device tree and bind drivers for a node * @@ -272,24 +268,20 @@ int dm_scan_fdt_dev(struct udevice *dev) if (!dev_of_valid(dev)) return 0;
-#if CONFIG_IS_ENABLED(OF_LIVE) if (of_live_active()) return dm_scan_fdt_live(dev, dev_np(dev), gd->flags & GD_FLG_RELOC ? false : true); - else -#endif + return dm_scan_fdt_node(dev, gd->fdt_blob, dev_of_offset(dev), gd->flags & GD_FLG_RELOC ? false : true); }
int dm_scan_fdt(const void *blob, bool pre_reloc_only) { -#if CONFIG_IS_ENABLED(OF_LIVE) if (of_live_active()) - return dm_scan_fdt_live(gd->dm_root, gd->of_root, + return dm_scan_fdt_live(gd->dm_root, gd_of_root(), pre_reloc_only); - else -#endif + return dm_scan_fdt_node(gd->dm_root, blob, 0, pre_reloc_only); }
@@ -302,10 +294,9 @@ static int dm_scan_fdt_ofnode_path(const void *blob, const char *path, if (!ofnode_valid(node)) return 0;
-#if CONFIG_IS_ENABLED(OF_LIVE) if (of_live_active()) return dm_scan_fdt_live(gd->dm_root, node.np, pre_reloc_only); -#endif + return dm_scan_fdt_node(gd->dm_root, blob, node.of_offset, pre_reloc_only); } @@ -352,7 +343,7 @@ int dm_init_and_scan(bool pre_reloc_only) dm_populate_phandle_data(); #endif
- ret = dm_init(IS_ENABLED(CONFIG_OF_LIVE)); + ret = dm_init(CONFIG_IS_ENABLED(OF_LIVE)); if (ret) { debug("dm_init() failed: %d\n", ret); return ret; diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h index d4a4e2215dc..d6f562d90d4 100644 --- a/include/asm-generic/global_data.h +++ b/include/asm-generic/global_data.h @@ -75,7 +75,7 @@ typedef struct global_data { const void *fdt_blob; /* Our device tree, NULL if none */ void *new_fdt; /* Relocated FDT */ unsigned long fdt_size; /* Space reserved for relocated FDT */ -#ifdef CONFIG_OF_LIVE +#if CONFIG_IS_ENABLED(OF_LIVE) struct device_node *of_root; #endif
@@ -146,6 +146,17 @@ typedef struct global_data { #define gd_board_type() 0 #endif
+/* These macros help avoid #ifdefs in the code */ +#if CONFIG_IS_ENABLED(OF_LIVE) +#define gd_of_root() gd->of_root +#define gd_of_root_ptr() &gd->of_root +#define gd_set_of_root(_root) gd->of_root = (_root) +#else +#define gd_of_root() NULL +#define gd_of_root_ptr() NULL +#define gd_set_of_root(_root) +#endif + /* * Global Data Flags */ diff --git a/include/dm/of.h b/include/dm/of.h index 6bef73b441c..5cb6f44a6c6 100644 --- a/include/dm/of.h +++ b/include/dm/of.h @@ -90,17 +90,10 @@ DECLARE_GLOBAL_DATA_PTR; * * @returns true if livetree is active, false it not */ -#ifdef CONFIG_OF_LIVE static inline bool of_live_active(void) { - return gd->of_root != NULL; + return gd_of_root() != NULL; } -#else -static inline bool of_live_active(void) -{ - return false; -} -#endif
#define OF_BAD_ADDR ((u64)-1)
diff --git a/test/dm/test-main.c b/test/dm/test-main.c index 38b7b1481a7..995988723ae 100644 --- a/test/dm/test-main.c +++ b/test/dm/test-main.c @@ -33,10 +33,8 @@ static int dm_test_init(struct unit_test_state *uts, bool of_live) memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count)); state_reset_for_test(state_get_current());
-#ifdef CONFIG_OF_LIVE /* Determine whether to make the live tree available */ - gd->of_root = of_live ? uts->of_root : NULL; -#endif + gd_set_of_root(of_live ? uts->of_root : NULL); ut_assertok(dm_init(of_live)); dms->root = dm_root();
@@ -152,9 +150,7 @@ static int dm_test_main(const char *test_name) printf("Running %d driver model tests\n", n_ents);
found = 0; -#ifdef CONFIG_OF_LIVE - uts->of_root = gd->of_root; -#endif + uts->of_root = gd_of_root(); for (test = tests; test < tests + n_ents; test++) { const char *name = test->name; int runs; @@ -167,7 +163,7 @@ static int dm_test_main(const char *test_name)
/* Run with the live tree if possible */ runs = 0; - if (IS_ENABLED(CONFIG_OF_LIVE)) { + if (CONFIG_IS_ENABLED(OF_LIVE)) { if (!(test->flags & UT_TESTF_FLAT_TREE)) { ut_assertok(dm_do_test(uts, test, true)); runs++; @@ -192,11 +188,9 @@ static int dm_test_main(const char *test_name) printf("Failures: %d\n", uts->fail_count);
/* Put everything back to normal so that sandbox works as expected */ -#ifdef CONFIG_OF_LIVE - gd->of_root = uts->of_root; -#endif + gd_set_of_root(uts->of_root); gd->dm_root = NULL; - ut_assertok(dm_init(IS_ENABLED(CONFIG_OF_LIVE))); + ut_assertok(dm_init(CONFIG_IS_ENABLED(OF_LIVE))); dm_scan_platdata(false); dm_scan_fdt(gd->fdt_blob, false);