Merge branch '2022-08-10-assorted-updates'

- An assortment of bugfixes and minor updates

MAINTAINERS

@@ -1313,7 +1313,7 @@ F:	drivers/spmi/
 F:	include/spmi/
 
 SQUASHFS
-M:	Joao Marcos Costa <joaomarcos.costa@bootlin.com>
+M:	Joao Marcos Costa <jmcosta944@gmail.com>
 R:	Thomas Petazzoni <thomas.petazzoni@bootlin.com>
 R:	Miquel Raynal <miquel.raynal@bootlin.com>
 S:	Maintained

Makefile

@@ -676,6 +676,9 @@ endif # $(dot-config)
 ifdef CONFIG_CC_OPTIMIZE_FOR_DEBUG
 KBUILD_HOSTCFLAGS   := -Wall -Wstrict-prototypes -Og -g -fomit-frame-pointer \
 		$(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
+# Avoid false positives -Wmaybe-uninitialized
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78394
+KBUILD_HOSTCFLAGS   += -Wno-maybe-uninitialized
 KBUILD_HOSTCXXFLAGS := -Og -g $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
 endif
 
@@ -696,7 +699,10 @@ KBUILD_CFLAGS	+= -O2
 endif
 
 ifdef CONFIG_CC_OPTIMIZE_FOR_DEBUG
-KBUILD_CFLAGS	+= -Og
+KBUILD_CFLAGS	+= -Og -Wno-maybe-uninitialized
+# Avoid false positives -Wmaybe-uninitialized
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78394
+KBUILD_CFLAGS	+= -Wno-maybe-uninitialized
 endif
 
 LTO_CFLAGS :=

arch/arm/cpu/armv7/s5p-common/cpu_info.c

@@ -4,6 +4,7 @@
  * Minkyu Kang <mk7.kang@samsung.com>
  */
 #include <common.h>
+#include <display_options.h>
 #include <fdtdec.h>
 #include <init.h>
 #include <asm/global_data.h>

arch/arm/mach-at91/arm926ejs/eflash.c

@@ -43,6 +43,7 @@
  * do a read-modify-write for partially programmed pages
  */
 #include <common.h>
+#include <display_options.h>
 #include <flash.h>
 #include <log.h>
 #include <asm/io.h>

arch/arm/mach-imx/hab.c

@@ -6,6 +6,7 @@
 #include <common.h>
 #include <command.h>
 #include <config.h>
+#include <display_options.h>
 #include <fuse.h>
 #include <mapmem.h>
 #include <image.h>

arch/powerpc/cpu/mpc85xx/cpu.c

@@ -12,6 +12,7 @@
 #include <common.h>
 #include <cpu_func.h>
 #include <clock_legacy.h>
+#include <display_options.h>
 #include <init.h>
 #include <irq_func.h>
 #include <log.h>

arch/powerpc/cpu/mpc85xx/cpu_init.c

@@ -10,6 +10,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <env.h>
 #include <init.h>
 #include <net.h>

arch/powerpc/cpu/mpc85xx/tlb.c

@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <init.h>
 #include <asm/bitops.h>
 #include <asm/global_data.h>

arch/powerpc/cpu/mpc8xx/cpu.c

@@ -18,6 +18,7 @@
 
 #include <common.h>
 #include <cpu_func.h>
+#include <display_options.h>
 #include <net.h>
 #include <time.h>
 #include <vsprintf.h>

arch/powerpc/cpu/mpc8xxx/law.c

@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <asm/bitops.h>
 #include <asm/global_data.h>
 #include <linux/compiler.h>

arch/x86/cpu/broadwell/refcode.c

@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <errno.h>
 #include <init.h>
 #include <log.h>

board/freescale/ls1028a/ls1028a.c

@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <init.h>
 #include <malloc.h>
 #include <errno.h>

board/freescale/ls1088a/ls1088a.c

@@ -4,6 +4,7 @@
  */
 #include <common.h>
 #include <clock_legacy.h>
+#include <display_options.h>
 #include <env.h>
 #include <i2c.h>
 #include <init.h>

board/freescale/ls2080aqds/ls2080aqds.c

@@ -5,6 +5,7 @@
  */
 #include <common.h>
 #include <clock_legacy.h>
+#include <display_options.h>
 #include <env.h>
 #include <init.h>
 #include <malloc.h>

board/freescale/ls2080ardb/ls2080ardb.c

@@ -5,6 +5,7 @@
  */
 #include <common.h>
 #include <clock_legacy.h>
+#include <display_options.h>
 #include <env.h>
 #include <init.h>
 #include <malloc.h>

board/freescale/lx2160a/lx2160a.c

@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <clock_legacy.h>
+#include <display_options.h>
 #include <dm.h>
 #include <init.h>
 #include <asm/global_data.h>

board/freescale/mpc8548cds/mpc8548cds.c

@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <init.h>
 #include <net.h>
 #include <pci.h>

board/kosagi/novena/novena.c

@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <dm.h>
 #include <eeprom.h>
 #include <init.h>

board/traverse/ten64/ten64.c

@@ -5,6 +5,7 @@
  * Copyright 2019-2021 Traverse Technologies
  */
 #include <common.h>
+#include <display_options.h>
 #include <dm/uclass.h>
 #include <env.h>
 #include <i2c.h>

boot/image-board.c

@@ -11,6 +11,7 @@
 #include <common.h>
 #include <bootstage.h>
 #include <cpu_func.h>
+#include <display_options.h>
 #include <env.h>
 #include <fpga.h>
 #include <image.h>

boot/image.c

@@ -9,6 +9,7 @@
 #ifndef USE_HOSTCC
 #include <common.h>
 #include <env.h>
+#include <display_options.h>
 #include <init.h>
 #include <lmb.h>
 #include <log.h>

cmd/acpi.c

@@ -5,6 +5,7 @@
  */
 #include <common.h>
 #include <command.h>
+#include <display_options.h>
 #include <mapmem.h>
 #include <acpi/acpi_table.h>
 #include <asm/acpi_table.h>

cmd/axi.c

@@ -13,6 +13,7 @@
 #include <axi.h>
 #include <command.h>
 #include <console.h>
+#include <display_options.h>
 #include <dm.h>
 #include <log.h>
 

cmd/bcb.c

@@ -9,6 +9,7 @@
 #include <bcb.h>
 #include <command.h>
 #include <common.h>
+#include <display_options.h>
 #include <log.h>
 #include <part.h>
 #include <malloc.h>

cmd/cpu.c

@@ -8,6 +8,7 @@
 #include <common.h>
 #include <command.h>
 #include <cpu.h>
+#include <display_options.h>
 #include <dm.h>
 #include <errno.h>
 

cmd/fpgad.c

@@ -11,6 +11,7 @@
 #include <common.h>
 #include <command.h>
 #include <console.h>
+#include <display_options.h>
 
 #include <gdsys_fpga.h>
 

cmd/io.c

@@ -9,6 +9,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <display_options.h>
 #include <asm/io.h>
 
 /* Display values from last command */

cmd/mem.c

@@ -16,6 +16,7 @@
 #include <cli.h>
 #include <command.h>
 #include <console.h>
+#include <display_options.h>
 #ifdef CONFIG_MTD_NOR_FLASH
 #include <flash.h>
 #endif

cmd/mmc.c

@@ -8,6 +8,7 @@
 #include <blk.h>
 #include <command.h>
 #include <console.h>
+#include <display_options.h>
 #include <memalign.h>
 #include <mmc.h>
 #include <part.h>

cmd/rtc.c

@@ -2,6 +2,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <display_options.h>
 #include <dm.h>
 #include <hexdump.h>
 #include <i2c.h>

cmd/sf.c

@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <display_options.h>
 #include <div64.h>
 #include <dm.h>
 #include <log.h>

cmd/version.c

@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <display_options.h>
 #include <timestamp.h>
 #include <version.h>
 #include <version_string.h>

common/bloblist.c

@@ -9,6 +9,7 @@
 
 #include <common.h>
 #include <bloblist.h>
+#include <display_options.h>
 #include <log.h>
 #include <malloc.h>
 #include <mapmem.h>

common/board_f.c

@@ -16,6 +16,7 @@
 #include <console.h>
 #include <cpu.h>
 #include <cpu_func.h>
+#include <display_options.h>
 #include <dm.h>
 #include <env.h>
 #include <env_internal.h>

common/board_r.c

@@ -13,6 +13,7 @@
 #include <api.h>
 #include <bootstage.h>
 #include <cpu_func.h>
+#include <display_options.h>
 #include <exports.h>
 #ifdef CONFIG_MTD_NOR_FLASH
 #include <flash.h>

common/console.c

@@ -7,6 +7,7 @@
 #include <common.h>
 #include <console.h>
 #include <debug_uart.h>
+#include <display_options.h>
 #include <dm.h>
 #include <env.h>
 #include <stdarg.h>

common/log.c

@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <log.h>
 #include <malloc.h>
 #include <asm/global_data.h>

common/splash.c

@@ -21,6 +21,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <env.h>
 #include <splash.h>
 #include <lcd.h>

drivers/core/acpi.c

@@ -9,6 +9,7 @@
 #define LOG_CATEOGRY	LOGC_ACPI
 
 #include <common.h>
+#include <display_options.h>
 #include <dm.h>
 #include <log.h>
 #include <malloc.h>

drivers/cpu/bmips_cpu.c

@@ -9,6 +9,7 @@
 
 #include <common.h>
 #include <cpu.h>
+#include <display_options.h>
 #include <dm.h>
 #include <errno.h>
 #include <init.h>

drivers/ddr/fsl/main.c

@@ -11,6 +11,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <dm.h>
 #include <i2c.h>
 #include <fsl_ddr_sdram.h>

drivers/mmc/gen_atmel_mci.c

@@ -10,6 +10,7 @@
 
 #include <common.h>
 #include <clk.h>
+#include <display_options.h>
 #include <dm.h>
 #include <log.h>
 #include <mmc.h>

drivers/mmc/mmc.c

@@ -831,6 +831,9 @@ static int __mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value,
 		return 0;
 	}
 
+	if (!send_status)
+		return 0;
+
 	/* Finally wait until the card is ready or indicates a failure
 	 * to switch. It doesn't hurt to use CMD13 here even if send_status
 	 * is false, because by now (after 'timeout_ms' ms) the bus should be

drivers/mtd/onenand/onenand_uboot.c

@@ -14,6 +14,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <linux/compat.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/onenand.h>

drivers/mtd/spi/sf_dataflash.c

@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <dm.h>
 #include <errno.h>
 #include <fdtdec.h>

drivers/mtd/spi/spi-nor-core.c

@@ -10,6 +10,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <log.h>
 #include <watchdog.h>
 #include <dm.h>

drivers/net/xilinx_axi_emac.c

@@ -9,6 +9,7 @@
 #include <config.h>
 #include <common.h>
 #include <cpu_func.h>
+#include <display_options.h>
 #include <dm.h>
 #include <log.h>
 #include <net.h>

drivers/power/regulator/fan53555.c

@@ -8,7 +8,6 @@
 #include <errno.h>
 #include <dm.h>
 #include <fdtdec.h>
-#include <i2c.h>
 #include <log.h>
 #include <asm/gpio.h>
 #include <linux/bitops.h>

drivers/power/regulator/gpio-regulator.c

@@ -8,7 +8,6 @@
 #include <fdtdec.h>
 #include <errno.h>
 #include <dm.h>
-#include <i2c.h>
 #include <log.h>
 #include <asm/gpio.h>
 #include <power/pmic.h>

drivers/power/regulator/lp873x_regulator.c

@@ -10,7 +10,6 @@
 #include <fdtdec.h>
 #include <errno.h>
 #include <dm.h>
-#include <i2c.h>
 #include <power/pmic.h>
 #include <power/regulator.h>
 #include <power/lp873x.h>

drivers/power/regulator/lp87565_regulator.c

@@ -10,7 +10,6 @@
 #include <fdtdec.h>
 #include <errno.h>
 #include <dm.h>
-#include <i2c.h>
 #include <log.h>
 #include <power/pmic.h>
 #include <power/regulator.h>

drivers/power/regulator/max77686.c

@@ -10,7 +10,6 @@
 #include <fdtdec.h>
 #include <errno.h>
 #include <dm.h>
-#include <i2c.h>
 #include <power/pmic.h>
 #include <power/regulator.h>
 #include <power/max77686_pmic.h>

drivers/power/regulator/palmas_regulator.c

@@ -10,7 +10,6 @@
 #include <fdtdec.h>
 #include <errno.h>
 #include <dm.h>
-#include <i2c.h>
 #include <power/pmic.h>
 #include <power/regulator.h>
 #include <power/palmas.h>

drivers/power/regulator/pfuze100.c

@@ -9,7 +9,6 @@
 #include <fdtdec.h>
 #include <errno.h>
 #include <dm.h>
-#include <i2c.h>
 #include <log.h>
 #include <power/pmic.h>
 #include <power/regulator.h>

drivers/power/regulator/s2mps11_regulator.c

@@ -8,7 +8,6 @@
 #include <fdtdec.h>
 #include <errno.h>
 #include <dm.h>
-#include <i2c.h>
 #include <linux/delay.h>
 #include <power/pmic.h>
 #include <power/regulator.h>

drivers/power/regulator/s5m8767.c

@@ -7,7 +7,6 @@
 #include <fdtdec.h>
 #include <errno.h>
 #include <dm.h>
-#include <i2c.h>
 #include <power/pmic.h>
 #include <power/regulator.h>
 #include <power/s5m8767.h>

drivers/power/regulator/sandbox.c

@@ -8,7 +8,6 @@
 #include <fdtdec.h>
 #include <errno.h>
 #include <dm.h>
-#include <i2c.h>
 #include <power/pmic.h>
 #include <power/regulator.h>
 #include <power/sandbox_pmic.h>

drivers/power/regulator/tps65219_regulator.c

@@ -9,7 +9,6 @@
 #include <fdtdec.h>
 #include <errno.h>
 #include <dm.h>
-#include <i2c.h>
 #include <log.h>
 #include <linux/delay.h>
 #include <power/pmic.h>

drivers/power/regulator/tps65941_regulator.c

@@ -10,7 +10,6 @@
 #include <fdtdec.h>
 #include <errno.h>
 #include <dm.h>
-#include <i2c.h>
 #include <log.h>
 #include <linux/delay.h>
 #include <power/pmic.h>

drivers/tpm/tpm_atmel_twi.c

@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <dm.h>
 #include <tpm-v1.h>
 #include <i2c.h>

drivers/tpm/tpm_tis_sandbox.c

@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <display_options.h>
 #include <dm.h>
 #include <tpm-v1.h>
 #include <asm/state.h>

fs/fs.c

@@ -7,6 +7,7 @@
 
 #include <command.h>
 #include <config.h>
+#include <display_options.h>
 #include <errno.h>
 #include <common.h>
 #include <env.h>

include/command.h

@@ -229,10 +229,10 @@ enum command_ret_t {
  *			is left unchanged.
  * @param ticks		If ticks is not null, this function set it to the
  *			number of ticks the command took to complete.
- * Return: 0 if the command succeeded, 1 if it failed
+ * Return: 0 if command succeeded, else non-zero (CMD_RET_...)
  */
-int cmd_process(int flag, int argc, char *const argv[], int *repeatable,
-		unsigned long *ticks);
+enum command_ret_t cmd_process(int flag, int argc, char *const argv[],
+			       int *repeatable, unsigned long *ticks);
 
 void fixup_cmdtable(struct cmd_tbl *cmdtp, int size);
 

include/common.h

@@ -23,7 +23,6 @@
 #include <stdio.h>
 #include <linux/kernel.h>
 #include <asm/u-boot.h> /* boot information for Linux kernel */
-#include <display_options.h>
 #include <vsprintf.h>
 #endif	/* __ASSEMBLY__ */
 

include/display_options.h

@@ -19,6 +19,7 @@
  * @size:	Size to print
  * @suffix	String to print after the size
  */
+#include <display_options.h>
 void print_size(uint64_t size, const char *suffix);
 
 /**

include/lmb.h

@@ -68,7 +68,7 @@ struct lmb_region {
 struct lmb {
 	struct lmb_region memory;
 	struct lmb_region reserved;
-#if IS_ENABLED(CONFIG_LMB_MEMORY_REGIONS)
+#ifdef CONFIG_LMB_MEMORY_REGIONS
 	struct lmb_property memory_regions[CONFIG_LMB_MEMORY_REGIONS];
 	struct lmb_property reserved_regions[CONFIG_LMB_RESERVED_REGIONS];
 #endif

lib/aes.c

@@ -23,6 +23,7 @@
 
 #ifndef USE_HOSTCC
 #include <common.h>
+#include <display_options.h>
 #include <log.h>
 #else
 #include <string.h>

lib/display_options.c

@@ -7,6 +7,7 @@
 #include <common.h>
 #include <compiler.h>
 #include <console.h>
+#include <display_options.h>
 #include <div64.h>
 #include <version_string.h>
 #include <linux/ctype.h>

lib/fdtdec.c

@@ -6,6 +6,7 @@
 #ifndef USE_HOSTCC
 #include <common.h>
 #include <boot_fit.h>
+#include <display_options.h>
 #include <dm.h>
 #include <hang.h>
 #include <init.h>

lib/lmb.c

@@ -108,7 +108,7 @@ void lmb_init(struct lmb *lmb)
 #if IS_ENABLED(CONFIG_LMB_USE_MAX_REGIONS)
 	lmb->memory.max = CONFIG_LMB_MAX_REGIONS;
 	lmb->reserved.max = CONFIG_LMB_MAX_REGIONS;
-#elif IS_ENABLED(CONFIG_LMB_MEMORY_REGIONS)
+#elif defined(CONFIG_LMB_MEMORY_REGIONS)
 	lmb->memory.max = CONFIG_LMB_MEMORY_REGIONS;
 	lmb->reserved.max = CONFIG_LMB_RESERVED_REGIONS;
 	lmb->memory.region = lmb->memory_regions;

lib/lz4_wrapper.c

@@ -80,7 +80,7 @@ int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn)
 		}
 
 		if (block_header & LZ4F_BLOCKUNCOMPRESSED_FLAG) {
-			size_t size = min((ptrdiff_t)block_size, end - out);
+			size_t size = min((ptrdiff_t)block_size, (ptrdiff_t)(end - out));
 			memcpy(out, in, size);
 			out += size;
 			if (size < block_size) {

net/nfs.c

@@ -28,6 +28,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <display_options.h>
 #ifdef CONFIG_SYS_DIRECT_FLASH_NFS
 #include <flash.h>
 #endif

net/tftp.c

@@ -7,6 +7,7 @@
  */
 #include <common.h>
 #include <command.h>
+#include <display_options.h>
 #include <efi_loader.h>
 #include <env.h>
 #include <image.h>

scripts/Makefile.spl

@@ -358,13 +358,14 @@ $(obj)/dts/dt-%.o: $(obj)/dts/dt-%.c $(platdata-hdr)
 	$(call if_changed,plat)
 
 # Don't use dts_dir here, since it forces running this expensive rule every time
-$(platdata-hdr) $(u-boot-spl-platdata_c) &: $(obj)/$(SPL_BIN).dtb
+$(platdata-hdr) $(u-boot-spl-platdata_c) &: $(obj)/$(SPL_BIN).dtb FORCE
 	@[ -d $(obj)/dts ] || mkdir -p $(obj)/dts
 	@# Remove old files since which ones we generate depends on the setting
 	@# of OF_PLATDATA_INST and this might change between builds. Leaving old
 	@# ones around is confusing and it is possible that switching the
 	@# setting again will use the old one instead of regenerating it.
-	@rm -f $(u-boot-spl-all-platdata_c) $(u-boot-spl-all-platdata)
+	@rm -f $(u-boot-spl-old-platdata_c) $(u-boot-spl-platdata_c) \
+		$(u-boot-spl-old-platdata)
 	$(call if_changed,dtoc)
 
 ifneq ($(CONFIG_ARCH_EXYNOS)$(CONFIG_ARCH_S5PC1XX),)

scripts/config

@@ -0,0 +1,230 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: GPL-2.0
+# Manipulate options in a .config file from the command line
+
+myname=${0##*/}
+
+# If no prefix forced, use the default CONFIG_
+CONFIG_="${CONFIG_-CONFIG_}"
+
+# We use an uncommon delimiter for sed substitutions
+SED_DELIM=$(echo -en "\001")
+
+usage() {
+	cat >&2 <<EOL
+Manipulate options in a .config file from the command line.
+Usage:
+$myname options command ...
+commands:
+	--enable|-e option   Enable option
+	--disable|-d option  Disable option
+	--module|-m option   Turn option into a module
+	--set-str option string
+	                     Set option to "string"
+	--set-val option value
+	                     Set option to value
+	--undefine|-u option Undefine option
+	--state|-s option    Print state of option (n,y,m,undef)
+
+	--enable-after|-E beforeopt option
+                             Enable option directly after other option
+	--disable-after|-D beforeopt option
+                             Disable option directly after other option
+	--module-after|-M beforeopt option
+                             Turn option into module directly after other option
+
+	commands can be repeated multiple times
+
+options:
+	--file config-file   .config file to change (default .config)
+	--keep-case|-k       Keep next symbols' case (dont' upper-case it)
+
+$myname doesn't check the validity of the .config file. This is done at next
+make time.
+
+By default, $myname will upper-case the given symbol. Use --keep-case to keep
+the case of all following symbols unchanged.
+
+$myname uses 'CONFIG_' as the default symbol prefix. Set the environment
+variable CONFIG_ to the prefix to use. Eg.: CONFIG_="FOO_" $myname ...
+EOL
+	exit 1
+}
+
+checkarg() {
+	ARG="$1"
+	if [ "$ARG" = "" ] ; then
+		usage
+	fi
+	case "$ARG" in
+	${CONFIG_}*)
+		ARG="${ARG/${CONFIG_}/}"
+		;;
+	esac
+	if [ "$MUNGE_CASE" = "yes" ] ; then
+		ARG="`echo $ARG | tr a-z A-Z`"
+	fi
+}
+
+txt_append() {
+	local anchor="$1"
+	local insert="$2"
+	local infile="$3"
+	local tmpfile="$infile.swp"
+
+	# sed append cmd: 'a\' + newline + text + newline
+	cmd="$(printf "a\\%b$insert" "\n")"
+
+	sed -e "/$anchor/$cmd" "$infile" >"$tmpfile"
+	# replace original file with the edited one
+	mv "$tmpfile" "$infile"
+}
+
+txt_subst() {
+	local before="$1"
+	local after="$2"
+	local infile="$3"
+	local tmpfile="$infile.swp"
+
+	sed -e "s$SED_DELIM$before$SED_DELIM$after$SED_DELIM" "$infile" >"$tmpfile"
+	# replace original file with the edited one
+	mv "$tmpfile" "$infile"
+}
+
+txt_delete() {
+	local text="$1"
+	local infile="$2"
+	local tmpfile="$infile.swp"
+
+	sed -e "/$text/d" "$infile" >"$tmpfile"
+	# replace original file with the edited one
+	mv "$tmpfile" "$infile"
+}
+
+set_var() {
+	local name=$1 new=$2 before=$3
+
+	name_re="^($name=|# $name is not set)"
+	before_re="^($before=|# $before is not set)"
+	if test -n "$before" && grep -Eq "$before_re" "$FN"; then
+		txt_append "^$before=" "$new" "$FN"
+		txt_append "^# $before is not set" "$new" "$FN"
+	elif grep -Eq "$name_re" "$FN"; then
+		txt_subst "^$name=.*" "$new" "$FN"
+		txt_subst "^# $name is not set" "$new" "$FN"
+	else
+		echo "$new" >>"$FN"
+	fi
+}
+
+undef_var() {
+	local name=$1
+
+	txt_delete "^$name=" "$FN"
+	txt_delete "^# $name is not set" "$FN"
+}
+
+if [ "$1" = "--file" ]; then
+	FN="$2"
+	if [ "$FN" = "" ] ; then
+		usage
+	fi
+	shift 2
+else
+	FN=.config
+fi
+
+if [ "$1" = "" ] ; then
+	usage
+fi
+
+MUNGE_CASE=yes
+while [ "$1" != "" ] ; do
+	CMD="$1"
+	shift
+	case "$CMD" in
+	--keep-case|-k)
+		MUNGE_CASE=no
+		continue
+		;;
+	--refresh)
+		;;
+	--*-after|-E|-D|-M)
+		checkarg "$1"
+		A=$ARG
+		checkarg "$2"
+		B=$ARG
+		shift 2
+		;;
+	-*)
+		checkarg "$1"
+		shift
+		;;
+	esac
+	case "$CMD" in
+	--enable|-e)
+		set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=y"
+		;;
+
+	--disable|-d)
+		set_var "${CONFIG_}$ARG" "# ${CONFIG_}$ARG is not set"
+		;;
+
+	--module|-m)
+		set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=m"
+		;;
+
+	--set-str)
+		# sed swallows one level of escaping, so we need double-escaping
+		set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=\"${1//\"/\\\\\"}\""
+		shift
+		;;
+
+	--set-val)
+		set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=$1"
+		shift
+		;;
+	--undefine|-u)
+		undef_var "${CONFIG_}$ARG"
+		;;
+
+	--state|-s)
+		if grep -q "# ${CONFIG_}$ARG is not set" $FN ; then
+			echo n
+		else
+			V="$(grep "^${CONFIG_}$ARG=" $FN)"
+			if [ $? != 0 ] ; then
+				echo undef
+			else
+				V="${V/#${CONFIG_}$ARG=/}"
+				V="${V/#\"/}"
+				V="${V/%\"/}"
+				V="${V//\\\"/\"}"
+				echo "${V}"
+			fi
+		fi
+		;;
+
+	--enable-after|-E)
+		set_var "${CONFIG_}$B" "${CONFIG_}$B=y" "${CONFIG_}$A"
+		;;
+
+	--disable-after|-D)
+		set_var "${CONFIG_}$B" "# ${CONFIG_}$B is not set" "${CONFIG_}$A"
+		;;
+
+	--module-after|-M)
+		set_var "${CONFIG_}$B" "${CONFIG_}$B=m" "${CONFIG_}$A"
+		;;
+
+	# undocumented because it ignores --file (fixme)
+	--refresh)
+		yes "" | make oldconfig
+		;;
+
+	*)
+		echo "bad command: $CMD" >&2
+		usage
+		;;
+	esac
+done

test/Kconfig

@@ -20,7 +20,7 @@ config SPL_UNIT_TEST
 config UT_LIB
 	bool "Unit tests for library functions"
 	depends on UNIT_TEST
-	default y
+	default y if !SANDBOX_VPL
 	help
 	  Enables the 'ut lib' command which tests library functions like
 	  memcat(), memcyp(), memmove() and ASN1 compiler/decoder.
@@ -99,5 +99,6 @@ config UT_UNICODE
 
 source "test/dm/Kconfig"
 source "test/env/Kconfig"
+source "test/lib/Kconfig"
 source "test/optee/Kconfig"
 source "test/overlay/Kconfig"

test/Makefile

@@ -17,6 +17,9 @@ obj-$(CONFIG_$(SPL_)CMDLINE) += command_ut.o
 obj-$(CONFIG_$(SPL_)UT_COMPRESSION) += compression.o
 obj-y += dm/
 obj-$(CONFIG_FUZZ) += fuzz/
+ifndef CONFIG_SANDBOX_VPL
+obj-$(CONFIG_UNIT_TEST) += lib/
+endif
 obj-$(CONFIG_$(SPL_)CMDLINE) += print_ut.o
 obj-$(CONFIG_$(SPL_)CMDLINE) += str_ut.o
 obj-$(CONFIG_UT_TIME) += time_ut.o
@@ -25,7 +28,6 @@ obj-y += ut.o
 ifeq ($(CONFIG_SPL_BUILD),)
 obj-$(CONFIG_UNIT_TEST) += boot/
 obj-$(CONFIG_UNIT_TEST) += common/
-obj-$(CONFIG_UNIT_TEST) += lib/
 obj-y += log/
 obj-$(CONFIG_$(SPL_)UT_UNICODE) += unicode_ut.o
 endif

test/lib/Kconfig

@@ -0,0 +1,23 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright 2022 Google LLC
+
+if SANDBOX
+
+config TEST_KCONFIG
+	bool "Enable detection of Kconfig macro errors"
+	help
+	  This is used to test that the IF_ENABLED_INT() macro causes a build error
+	  if the value is used when the CONFIG Is not enabled.
+
+config TEST_KCONFIG_ENABLE
+	bool "Option to enable"
+	help
+	  This is the option that controls whether the value is present.
+
+config TEST_KCONFIG_VALUE
+	int "Value associated with the option"
+	depends on TEST_KCONFIG_ENABLE
+	help
+	  This is the value whgch is present if TEST_KCONFIG_ENABLE is enabled.
+
+endif # SANDBOX

test/lib/Makefile

@@ -2,11 +2,13 @@
 #
 # (C) Copyright 2018
 # Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
+ifeq ($(CONFIG_SPL_BUILD),)
 obj-y += cmd_ut_lib.o
 obj-y += abuf.o
 obj-$(CONFIG_EFI_LOADER) += efi_device_path.o
 obj-$(CONFIG_EFI_SECURE_BOOT) += efi_image_region.o
 obj-y += hexdump.o
+obj-$(CONFIG_SANDBOX) += kconfig.o
 obj-y += lmb.o
 obj-y += longjmp.o
 obj-$(CONFIG_CONSOLE_RECORD) += test_print.o
@@ -19,3 +21,6 @@ obj-$(CONFIG_UT_LIB_RSA) += rsa.o
 obj-$(CONFIG_AES) += test_aes.o
 obj-$(CONFIG_GETOPT) += getopt.o
 obj-$(CONFIG_UT_LIB_CRYPT) += test_crypt.o
+else
+obj-$(CONFIG_SANDBOX) += kconfig_spl.o
+endif

test/lib/kconfig.c

@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Test of linux/kconfig.h macros
+ *
+ * Copyright 2022 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <test/lib.h>
+#include <test/test.h>
+#include <test/ut.h>
+
+static int lib_test_is_enabled(struct unit_test_state *uts)
+{
+	ulong val;
+
+	ut_asserteq(1, IS_ENABLED(CONFIG_CMDLINE))
+	ut_asserteq(0, IS_ENABLED(CONFIG__UNDEFINED))
+
+	ut_asserteq(1, CONFIG_IS_ENABLED(CMDLINE))
+	ut_asserteq(0, CONFIG_IS_ENABLED(OF_PLATDATA))
+	ut_asserteq(0, CONFIG_IS_ENABLED(_UNDEFINED))
+
+	ut_asserteq(0xc000,
+		    IF_ENABLED_INT(CONFIG_BLOBLIST_FIXED, CONFIG_BLOBLIST_ADDR));
+	ut_asserteq(0xc000,
+		    CONFIG_IF_ENABLED_INT(BLOBLIST_FIXED, BLOBLIST_ADDR));
+
+	/*
+	 * This fails if CONFIG_TEST_KCONFIG_ENABLE is not enabled, since the
+	 * value is used. Disable for SPL so that the errors in kconfig_spl.c
+	 * are detected, since otherwise a build error when building U-Boot may
+	 * cause SPL to not be built.
+	 */
+	if (!IS_ENABLED(CONFIG_SANDBOX_SPL) &&
+	    IS_ENABLED(CONFIG_TEST_KCONFIG)) {
+		val = IF_ENABLED_INT(CONFIG_TEST_KCONFIG_ENABLE,
+				     CONFIG_TEST_KCONFIG_VALUE);
+		printf("value %ld\n", val);
+	}
+
+	/*
+	 * This fails if CONFIG_TEST_KCONFIG_ENABLE is not enabled, since the
+	 * value is used. Disable for SPL so that the errors in kconfig_spl.c
+	 * are detected, since otherwise a build error when building U-Boot may
+	 * cause SPL to not be built.
+	 */
+	if (!IS_ENABLED(CONFIG_SANDBOX_SPL) &&
+	    CONFIG_IS_ENABLED(TEST_KCONFIG)) {
+		val = CONFIG_IF_ENABLED_INT(TEST_KCONFIG_ENABLE,
+					    TEST_KCONFIG_VALUE);
+		printf("value2 %ld\n", val);
+	}
+
+	return 0;
+}
+LIB_TEST(lib_test_is_enabled, 0);

test/lib/kconfig_spl.c

@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Test of linux/kconfig.h macros for SPL
+ *
+ * Copyright 2022 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <test/lib.h>
+#include <test/test.h>
+#include <test/ut.h>
+
+static int lib_test_spl_is_enabled(struct unit_test_state *uts)
+{
+	ulong val;
+
+	ut_asserteq(0, CONFIG_IS_ENABLED(CMDLINE))
+	ut_asserteq(1, CONFIG_IS_ENABLED(OF_PLATDATA))
+	ut_asserteq(0, CONFIG_IS_ENABLED(_UNDEFINED))
+
+	/*
+	 * This fails if CONFIG_TEST_KCONFIG_ENABLE is not enabled, since the
+	 * value is used.
+	 */
+	if (IS_ENABLED(CONFIG_TEST_KCONFIG)) {
+		val = IF_ENABLED_INT(CONFIG_TEST_KCONFIG_ENABLE,
+				     CONFIG_TEST_KCONFIG_VALUE);
+		printf("value %ld\n", val);
+	}
+
+	/*
+	 * This fails if CONFIG_TEST_KCONFIG_ENABLE is not enabled, since the
+	 * value is used.
+	 */
+	if (CONFIG_IS_ENABLED(TEST_KCONFIG)) {
+		val = CONFIG_IF_ENABLED_INT(TEST_KCONFIG_ENABLE,
+					    TEST_KCONFIG_VALUE);
+		printf("value2 %ld\n", val);
+	}
+
+	return 0;
+}
+LIB_TEST(lib_test_spl_is_enabled, 0);

test/py/tests/test_kconfig.py

@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright 2022 Google LLC
+# Written by Simon Glass <sjg@chromium.org>
+
+import pytest
+
+import u_boot_utils as util
+
+# This is needed for Azure, since the default '..' directory is not writeable
+TMPDIR = '/tmp/test_kconfig'
+
+@pytest.mark.slow
+@pytest.mark.boardspec('sandbox')
+def test_kconfig(u_boot_console):
+    """Test build failures when IF_ENABLED_INT() option is not enabled"""
+    cons = u_boot_console
+
+    # This detects build errors in test/lib/kconfig.c
+    out = util.run_and_log(
+        cons, ['./tools/buildman/buildman', '-m', '--board', 'sandbox',
+               '-a', 'TEST_KCONFIG', '-o', TMPDIR], ignore_errors=True)
+    assert 'invalid_use_of_IF_ENABLED_INT' in out
+    assert 'invalid_use_of_CONFIG_IF_ENABLED_INT' in out
+
+@pytest.mark.slow
+@pytest.mark.boardspec('sandbox_spl')
+def test_kconfig_spl(u_boot_console):
+    """Test build failures when IF_ENABLED_INT() option is not enabled"""
+    cons = u_boot_console
+
+    # This detects build errors in test/lib/kconfig_spl.c
+    out = util.run_and_log(
+        cons, ['./tools/buildman/buildman', '-m', '--board', 'sandbox_spl',
+               '-a', 'TEST_KCONFIG', '-o', TMPDIR], ignore_errors=True)
+    assert 'invalid_use_of_IF_ENABLED_INT' in out
+
+    # There is no CONFIG_SPL_TEST_KCONFIG, so the CONFIG_IF_ENABLED_INT()
+    # line should not generate an error
+    assert 'invalid_use_of_CONFIG_IF_ENABLED_INT' not in out