Merge tag 'dm-pull-29oct19' of git://git.denx.de/u-boot-dm

- Fix for patman with email addresses containing commas
- Bootstage improvements for TPL, SPL
- Various sandbox and dm improvements and fixes

21 files changed, 135 insertions, 55 deletions

diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c
index 2046cb53c4..f3af88d79e 100644
--- a/arch/sandbox/cpu/cpu.c
+++ b/arch/sandbox/cpu/cpu.c
@@ -246,8 +246,7 @@ unsigned int sandbox_read(const void *addr, enum sandboxio_size_t size)
 	return 0;
 }
 
-void sandbox_write(const void *addr, unsigned int val,
-		   enum sandboxio_size_t size)
+void sandbox_write(void *addr, unsigned int val, enum sandboxio_size_t size)
 {
 	struct sandbox_state *state = state_get_current();
 
diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h
index 4a35c41972..ad6c29a4e2 100644
--- a/arch/sandbox/include/asm/io.h
+++ b/arch/sandbox/include/asm/io.h
@@ -46,8 +46,7 @@ static inline void unmap_sysmem(const void *vaddr)
 phys_addr_t map_to_sysmem(const void *ptr);
 
 unsigned int sandbox_read(const void *addr, enum sandboxio_size_t size);
-void sandbox_write(const void *addr, unsigned int val,
-		   enum sandboxio_size_t size);
+void sandbox_write(void *addr, unsigned int val, enum sandboxio_size_t size);
 
 #define readb(addr) sandbox_read((const void *)addr, SB_SIZE_8)
 #define readw(addr) sandbox_read((const void *)addr, SB_SIZE_16)
@@ -55,11 +54,11 @@ void sandbox_write(const void *addr, unsigned int val,
 #ifdef CONFIG_SANDBOX64
 #define readq(addr) sandbox_read((const void *)addr, SB_SIZE_64)
 #endif
-#define writeb(v, addr) sandbox_write((const void *)addr, v, SB_SIZE_8)
-#define writew(v, addr) sandbox_write((const void *)addr, v, SB_SIZE_16)
-#define writel(v, addr) sandbox_write((const void *)addr, v, SB_SIZE_32)
+#define writeb(v, addr) sandbox_write((void *)addr, v, SB_SIZE_8)
+#define writew(v, addr) sandbox_write((void *)addr, v, SB_SIZE_16)
+#define writel(v, addr) sandbox_write((void *)addr, v, SB_SIZE_32)
 #ifdef CONFIG_SANDBOX64
-#define writeq(v, addr) sandbox_write((const void *)addr, v, SB_SIZE_64)
+#define writeq(v, addr) sandbox_write((void *)addr, v, SB_SIZE_64)
 #endif
 
 /*
diff --git a/arch/sandbox/include/asm/test.h b/arch/sandbox/include/asm/test.h
index cd2b9e3155..b885e1a14f 100644
--- a/arch/sandbox/include/asm/test.h
+++ b/arch/sandbox/include/asm/test.h
@@ -213,4 +213,15 @@ int sandbox_get_pci_ep_irq_count(struct udevice *dev);
  */
 uint sandbox_pci_read_bar(u32 barval, int type, uint size);
 
+/**
+ * sandbox_set_enable_memio() - Enable readl/writel() for sandbox
+ *
+ * Normally these I/O functions do nothing with sandbox. Certain tests need them
+ * to work as for other architectures, so this function can be used to enable
+ * them.
+ *
+ * @enable: true to enable, false to disable
+ */
+void sandbox_set_enable_memio(bool enable);
+
 #endif
diff --git a/common/board_f.c b/common/board_f.c
index 591f18f391..e3591cbaeb 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -588,6 +588,7 @@ static int reserve_stacks(void)
 static int reserve_bloblist(void)
 {
 #ifdef CONFIG_BLOBLIST
+	gd->start_addr_sp &= ~0xf;
 	gd->start_addr_sp -= CONFIG_BLOBLIST_SIZE;
 	gd->new_bloblist = map_sysmem(gd->start_addr_sp, CONFIG_BLOBLIST_SIZE);
 #endif
@@ -695,6 +696,7 @@ static int reloc_bootstage(void)
 		      gd->bootstage, gd->new_bootstage, size);
 		memcpy(gd->new_bootstage, gd->bootstage, size);
 		gd->bootstage = gd->new_bootstage;
+		bootstage_relocate();
 	}
 #endif
 
diff --git a/common/board_r.c b/common/board_r.c
index d6fb5047a2..c1ecb06b74 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -670,7 +670,6 @@ static init_fnc_t init_sequence_r[] = {
 #ifdef CONFIG_SYS_NONCACHED_MEMORY
 	initr_noncached,
 #endif
-	bootstage_relocate,
 #ifdef CONFIG_OF_LIVE
 	initr_of_live,
 #endif
diff --git a/common/bootstage.c b/common/bootstage.c
index 56ef91ad85..e8b7bbf81a 100644
--- a/common/bootstage.c
+++ b/common/bootstage.c
@@ -10,9 +10,10 @@
  */
 
 #include <common.h>
-#include <linux/libfdt.h>
 #include <malloc.h>
+#include <spl.h>
 #include <linux/compiler.h>
+#include <linux/libfdt.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -41,24 +42,34 @@ enum {
 };
 
 struct bootstage_hdr {
-	uint32_t version;	/* BOOTSTAGE_VERSION */
-	uint32_t count;		/* Number of records */
-	uint32_t size;		/* Total data size (non-zero if valid) */
-	uint32_t magic;		/* Unused */
+	u32 version;		/* BOOTSTAGE_VERSION */
+	u32 count;		/* Number of records */
+	u32 size;		/* Total data size (non-zero if valid) */
+	u32 magic;		/* Magic number */
+	u32 next_id;		/* Next ID to use for bootstage */
 };
 
 int bootstage_relocate(void)
 {
 	struct bootstage_data *data = gd->bootstage;
 	int i;
+	char *ptr;
+
+	/* Figure out where to relocate the strings to */
+	ptr = (char *)(data + 1);
 
 	/*
 	 * Duplicate all strings.  They may point to an old location in the
 	 * program .text section that can eventually get trashed.
 	 */
 	debug("Relocating %d records\n", data->rec_count);
-	for (i = 0; i < data->rec_count; i++)
-		data->record[i].name = strdup(data->record[i].name);
+	for (i = 0; i < data->rec_count; i++) {
+		const char *from = data->record[i].name;
+
+		strcpy(ptr, from);
+		data->record[i].name = ptr;
+		ptr += strlen(ptr) + 1;
+	}
 
 	return 0;
 }
@@ -372,7 +383,6 @@ int bootstage_stash(void *base, int size)
 	const struct bootstage_record *rec;
 	char buf[20];
 	char *ptr = base, *end = ptr + size;
-	uint32_t count;
 	int i;
 
 	if (hdr + 1 > (struct bootstage_hdr *)end) {
@@ -383,21 +393,15 @@ int bootstage_stash(void *base, int size)
 	/* Write an arbitrary version number */
 	hdr->version = BOOTSTAGE_VERSION;
 
-	/* Count the number of records, and write that value first */
-	for (rec = data->record, i = count = 0; i < data->rec_count;
-	     i++, rec++) {
-		if (rec->id != 0)
-			count++;
-	}
-	hdr->count = count;
+	hdr->count = data->rec_count;
 	hdr->size = 0;
 	hdr->magic = BOOTSTAGE_MAGIC;
+	hdr->next_id = data->next_id;
 	ptr += sizeof(*hdr);
 
 	/* Write the records, silently stopping when we run out of space */
-	for (rec = data->record, i = 0; i < data->rec_count; i++, rec++) {
+	for (rec = data->record, i = 0; i < data->rec_count; i++, rec++)
 		append_data(&ptr, end, rec, sizeof(*rec));
-	}
 
 	/* Write the name strings */
 	for (rec = data->record, i = 0; i < data->rec_count; i++, rec++) {
@@ -478,6 +482,8 @@ int bootstage_unstash(const void *base, int size)
 	for (rec = data->record + data->next_id, i = 0; i < hdr->count;
 	     i++, rec++) {
 		rec->name = ptr;
+		if (spl_phase() == PHASE_SPL)
+			rec->name = strdup(ptr);
 
 		/* Assume no data corruption here */
 		ptr += strlen(ptr) + 1;
@@ -485,6 +491,7 @@ int bootstage_unstash(const void *base, int size)
 
 	/* Mark the records as read */
 	data->rec_count += hdr->count;
+	data->next_id = hdr->next_id;
 	debug("Unstashed %d records\n", hdr->count);
 
 	return 0;
@@ -492,7 +499,17 @@ int bootstage_unstash(const void *base, int size)
 
 int bootstage_get_size(void)
 {
-	return sizeof(struct bootstage_data);
+	struct bootstage_data *data = gd->bootstage;
+	struct bootstage_record *rec;
+	int size;
+	int i;
+
+	size = sizeof(struct bootstage_data);
+	for (rec = data->record, i = 0; i < data->rec_count;
+	     i++, rec++)
+		size += strlen(rec->name) + 1;
+
+	return size;
 }
 
 int bootstage_init(bool first)
diff --git a/common/fdt_support.c b/common/fdt_support.c
index baf7924ff6..6834399039 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -1566,7 +1566,7 @@ static int fdt_read_prop(const fdt32_t *prop, int prop_len, int cell_off,
 			 uint64_t *val, int cells)
 {
 	const fdt32_t *prop32 = &prop[cell_off];
-	const fdt64_t *prop64 = (const fdt64_t *)&prop[cell_off];
+	const unaligned_fdt64_t *prop64 = (const fdt64_t *)&prop[cell_off];
 
 	if ((cell_off + cells) > prop_len)
 		return -FDT_ERR_NOSPACE;
diff --git a/common/spl/spl.c b/common/spl/spl.c
index a9d3e847af..f1ad8dc9da 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -18,6 +18,7 @@
 #include <version.h>
 #include <image.h>
 #include <malloc.h>
+#include <mapmem.h>
 #include <dm/root.h>
 #include <linux/compiler.h>
 #include <fdt_support.h>
@@ -396,13 +397,25 @@ static int spl_common_init(bool setup_malloc)
 		gd->malloc_ptr = 0;
 	}
 #endif
-	ret = bootstage_init(true);
+	ret = bootstage_init(u_boot_first_phase());
 	if (ret) {
 		debug("%s: Failed to set up bootstage: ret=%d\n", __func__,
 		      ret);
 		return ret;
 	}
-	bootstage_mark_name(BOOTSTAGE_ID_START_SPL, "spl");
+#ifdef CONFIG_BOOTSTAGE_STASH
+	if (!u_boot_first_phase()) {
+		const void *stash = map_sysmem(CONFIG_BOOTSTAGE_STASH_ADDR,
+					       CONFIG_BOOTSTAGE_STASH_SIZE);
+
+		ret = bootstage_unstash(stash, CONFIG_BOOTSTAGE_STASH_SIZE);
+		if (ret)
+			debug("%s: Failed to unstash bootstage: ret=%d\n",
+			      __func__, ret);
+	}
+#endif /* CONFIG_BOOTSTAGE_STASH */
+	bootstage_mark_name(spl_phase() == PHASE_TPL ? BOOTSTAGE_ID_START_TPL :
+			    BOOTSTAGE_ID_START_SPL, SPL_TPL_NAME);
 #if CONFIG_IS_ENABLED(LOG)
 	ret = log_init();
 	if (ret) {
@@ -418,7 +431,8 @@ static int spl_common_init(bool setup_malloc)
 		}
 	}
 	if (CONFIG_IS_ENABLED(DM)) {
-		bootstage_start(BOOTSTATE_ID_ACCUM_DM_SPL, "dm_spl");
+		bootstage_start(BOOTSTATE_ID_ACCUM_DM_SPL,
+				spl_phase() == PHASE_TPL ? "dm tpl" : "dm_spl");
 		/* With CONFIG_SPL_OF_PLATDATA, bring in all devices */
 		ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
 		bootstage_accum(BOOTSTATE_ID_ACCUM_DM_SPL);
@@ -704,8 +718,9 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
 	debug("SPL malloc() used 0x%lx bytes (%ld KB)\n", gd->malloc_ptr,
 	      gd->malloc_ptr / 1024);
 #endif
+	bootstage_mark_name(spl_phase() == PHASE_TPL ? BOOTSTAGE_ID_END_TPL :
+			    BOOTSTAGE_ID_END_SPL, "end " SPL_TPL_NAME);
 #ifdef CONFIG_BOOTSTAGE_STASH
-	bootstage_mark_name(BOOTSTAGE_ID_END_SPL, "end_spl");
 	ret = bootstage_stash((void *)CONFIG_BOOTSTAGE_STASH_ADDR,
 			      CONFIG_BOOTSTAGE_STASH_SIZE);
 	if (ret)
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index 297f0a0c7c..8f0eab2ca6 100644
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -57,7 +57,7 @@ int ofnode_read_s32_default(ofnode node, const char *propname, s32 def)
 
 int ofnode_read_u64(ofnode node, const char *propname, u64 *outp)
 {
-	const fdt64_t *cell;
+	const unaligned_fdt64_t *cell;
 	int len;
 
 	assert(ofnode_valid(node));
diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c
index d1d12eef38..e9e55c9d16 100644
--- a/drivers/core/regmap.c
+++ b/drivers/core/regmap.c
@@ -462,5 +462,5 @@ int regmap_update_bits(struct regmap *map, uint offset, uint mask, uint val)
 
 	reg &= ~mask;
 
-	return regmap_write(map, offset, reg | val);
+	return regmap_write(map, offset, reg | (val & mask));
 }
diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c
index 36f4d1c289..c520ef113a 100644
--- a/drivers/core/uclass.c
+++ b/drivers/core/uclass.c
@@ -6,6 +6,8 @@
  * Pavel Herrmann <morpheus.ibis@gmail.com>
  */
 
+#define LOG_CATEGORY LOGC_DM
+
 #include <common.h>
 #include <dm.h>
 #include <errno.h>
@@ -303,7 +305,7 @@ int uclass_find_device_by_seq(enum uclass_id id, int seq_or_req_seq,
 	int ret;
 
 	*devp = NULL;
-	debug("%s: %d %d\n", __func__, find_req_seq, seq_or_req_seq);
+	log_debug("%d %d\n", find_req_seq, seq_or_req_seq);
 	if (seq_or_req_seq == -1)
 		return -ENODEV;
 	ret = uclass_get(id, &uc);
@@ -311,15 +313,16 @@ int uclass_find_device_by_seq(enum uclass_id id, int seq_or_req_seq,
 		return ret;
 
 	uclass_foreach_dev(dev, uc) {
-		debug("   - %d %d '%s'\n", dev->req_seq, dev->seq, dev->name);
+		log_debug("   - %d %d '%s'\n",
+			  dev->req_seq, dev->seq, dev->name);
 		if ((find_req_seq ? dev->req_seq : dev->seq) ==
 				seq_or_req_seq) {
 			*devp = dev;
-			debug("   - found\n");
+			log_debug("   - found\n");
 			return 0;
 		}
 	}
-	debug("   - not found\n");
+	log_debug("   - not found\n");
 
 	return -ENODEV;
 }
diff --git a/include/bootstage.h b/include/bootstage.h
index 5e7e242b83..d105ae0181 100644
--- a/include/bootstage.h
+++ b/include/bootstage.h
@@ -170,6 +170,8 @@ enum bootstage_id {
 	 * rough boot timing information.
 	 */
 	BOOTSTAGE_ID_AWAKE,
+	BOOTSTAGE_ID_START_TPL,
+	BOOTSTAGE_ID_END_TPL,
 	BOOTSTAGE_ID_START_SPL,
 	BOOTSTAGE_ID_END_SPL,
 	BOOTSTAGE_ID_START_UBOOT_F,
diff --git a/include/linux/libfdt_env.h b/include/linux/libfdt_env.h
index e2bf79c7ee..e49fcd72bd 100644
--- a/include/linux/libfdt_env.h
+++ b/include/linux/libfdt_env.h
@@ -16,6 +16,7 @@
 typedef __be16 fdt16_t;
 typedef __be32 fdt32_t;
 typedef __be64 fdt64_t;
+typedef __be64 unaligned_fdt64_t __aligned(4);
 
 #define fdt32_to_cpu(x) be32_to_cpu(x)
 #define cpu_to_fdt32(x) cpu_to_be32(x)
diff --git a/include/regmap.h b/include/regmap.h
index 0854200a9c..9ada1af5ef 100644
--- a/include/regmap.h
+++ b/include/regmap.h
@@ -295,7 +295,8 @@ int regmap_raw_read_range(struct regmap *map, uint range_num, uint offset,
  * @map:	The map returned by regmap_init_mem*()
  * @offset:	Offset of the memory
  * @mask:	Mask to apply to the read value
- * @val:	Value to apply to the value to write
+ * @val:	Value to OR with the read value after masking. Note that any
+ *	bits set in @val which are not set in @mask are ignored
  * Return: 0 if OK, -ve on error
  */
 int regmap_update_bits(struct regmap *map, uint offset, uint mask, uint val);
diff --git a/include/test/ut.h b/include/test/ut.h
index 19bcb8c374..fbfde10719 100644
--- a/include/test/ut.h
+++ b/include/test/ut.h
@@ -61,7 +61,8 @@ void ut_failf(struct unit_test_state *uts, const char *fname, int line,
 	if (val1 != val2) {						\
 		ut_failf(uts, __FILE__, __LINE__, __func__,		\
 			 #expr1 " == " #expr2,				\
-			 "Expected %d, got %d", val1, val2);		\
+			 "Expected %#x (%d), got %#x (%d)", val1, val1,	\
+			 val2, val2);					\
 		return CMD_RET_FAILURE;					\
 	}								\
 }
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 17736ce665..125d9dbf26 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -242,7 +242,7 @@ int fdtdec_get_pci_bar32(struct udevice *dev, struct fdt_pci_addr *addr,
 uint64_t fdtdec_get_uint64(const void *blob, int node, const char *prop_name,
 			   uint64_t default_val)
 {
-	const uint64_t *cell64;
+	const unaligned_fdt64_t *cell64;
 	int length;
 
 	cell64 = fdt_getprop(blob, node, prop_name, &length);
diff --git a/lib/tiny-printf.c b/lib/tiny-printf.c
index 62e6381961..1138c7012a 100644
--- a/lib/tiny-printf.c
+++ b/lib/tiny-printf.c
@@ -157,7 +157,8 @@ static void ip4_addr_string(struct printf_info *info, u8 *addr)
  *       decimal).
  */
 
-static void pointer(struct printf_info *info, const char *fmt, void *ptr)
+static void __maybe_unused pointer(struct printf_info *info, const char *fmt,
+				   void *ptr)
 {
 #ifdef DEBUG
 	unsigned long num = (uintptr_t)ptr;
@@ -266,6 +267,21 @@ static int _vprintf(struct printf_info *info, const char *fmt, va_list va)
 						div_out(info, &num, div);
 				}
 				break;
+			case 'p':
+#ifdef DEBUG
+				pointer(info, fmt, va_arg(va, void *));
+				/*
+				 * Skip this because it pulls in _ctype which is
+				 * 256 bytes, and we don't generally implement
+				 * pointer anyway
+				 */
+				while (isalnum(fmt[0]))
+					fmt++;
+				break;
+#else
+				islong = true;
+				/* no break */
+#endif
 			case 'x':
 				if (islong) {
 					num = va_arg(va, unsigned long);
@@ -287,11 +303,6 @@ static int _vprintf(struct printf_info *info, const char *fmt, va_list va)
 			case 's':
 				p = va_arg(va, char*);
 				break;
-			case 'p':
-				pointer(info, fmt, va_arg(va, void *));
-				while (isalnum(fmt[0]))
-					fmt++;
-				break;
 			case '%':
 				out(info, '%');
 			default:
@@ -398,3 +409,9 @@ int snprintf(char *buf, size_t size, const char *fmt, ...)
 
 	return ret;
 }
+
+void print_grouped_ull(unsigned long long int_val, int digits)
+{
+	/* Don't try to print the upper 32-bits */
+	printf("%ld ", (ulong)int_val);
+}
diff --git a/test/dm/regmap.c b/test/dm/regmap.c
index 82de295cb8..6fd1f20656 100644
--- a/test/dm/regmap.c
+++ b/test/dm/regmap.c
@@ -99,18 +99,27 @@ static int dm_test_regmap_rw(struct unit_test_state *uts)
 	struct regmap *map;
 	uint reg;
 
+	sandbox_set_enable_memio(true);
 	ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
 	map = syscon_get_regmap(dev);
 	ut_assertok_ptr(map);
 
 	ut_assertok(regmap_write(map, 0, 0xcacafafa));
-	ut_assertok(regmap_write(map, 3, 0x55aa2211));
+	ut_assertok(regmap_write(map, 5, 0x55aa2211));
 
 	ut_assertok(regmap_read(map, 0, &reg));
-	ut_assertok(regmap_read(map, 3, &reg));
+	ut_asserteq(0xcacafafa, reg);
+	ut_assertok(regmap_read(map, 5, &reg));
+	ut_asserteq(0x55aa2211, reg);
 
+	ut_assertok(regmap_read(map, 0, &reg));
+	ut_asserteq(0xcacafafa, reg);
 	ut_assertok(regmap_update_bits(map, 0, 0xff00ff00, 0x55aa2211));
-	ut_assertok(regmap_update_bits(map, 3, 0x00ff00ff, 0xcacafada));
+	ut_assertok(regmap_read(map, 0, &reg));
+	ut_asserteq(0x55ca22fa, reg);
+	ut_assertok(regmap_update_bits(map, 5, 0x00ff00ff, 0xcacafada));
+	ut_assertok(regmap_read(map, 5, &reg));
+	ut_asserteq(0x55ca22da, reg);
 
 	return 0;
 }
@@ -130,6 +139,7 @@ static int dm_test_regmap_getset(struct unit_test_state *uts)
 		u32 val3;
 	};
 
+	sandbox_set_enable_memio(true);
 	ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
 	map = syscon_get_regmap(dev);
 	ut_assertok_ptr(map);
@@ -138,7 +148,9 @@ static int dm_test_regmap_getset(struct unit_test_state *uts)
 	regmap_set(map, struct layout, val3, 0x55aa2211);
 
 	ut_assertok(regmap_get(map, struct layout, val0, &reg));
+	ut_asserteq(0xcacafafa, reg);
 	ut_assertok(regmap_get(map, struct layout, val3, &reg));
+	ut_asserteq(0x55aa2211, reg);
 
 	return 0;
 }
@@ -159,6 +171,7 @@ static int dm_test_regmap_poll(struct unit_test_state *uts)
 
 	start = get_timer(0);
 
+	ut_assertok(regmap_write(map, 0, 0x0));
 	ut_asserteq(-ETIMEDOUT,
 		    regmap_read_poll_timeout_test(map, 0, reg,
 						  (reg == 0xcacafafa),
diff --git a/tools/patman/func_test.py b/tools/patman/func_test.py
index 50a2741439..2321f9e028 100644
--- a/tools/patman/func_test.py
+++ b/tools/patman/func_test.py
@@ -198,9 +198,9 @@ class TestFunctional(unittest.TestCase):
         line += 4
         self.assertEqual(expected, tools.ToUnicode(lines[line]))
 
-        self.assertEqual(('%s %s, %s' % (args[0], rick, stefan)),
+        self.assertEqual(('%s %s\0%s' % (args[0], rick, stefan)),
                          tools.ToUnicode(cc_lines[0]))
-        self.assertEqual(('%s %s, %s, %s, %s' % (args[1], fred, ed, rick,
+        self.assertEqual(('%s %s\0%s\0%s\0%s' % (args[1], fred, ed, rick,
                                      stefan)), tools.ToUnicode(cc_lines[1]))
 
         expected = '''
diff --git a/tools/patman/patman.py b/tools/patman/patman.py
index 9605a36eff..0187ebe1d4 100755
--- a/tools/patman/patman.py
+++ b/tools/patman/patman.py
@@ -112,7 +112,7 @@ elif options.cc_cmd:
     for line in fd.readlines():
         match = re_line.match(line)
         if match and match.group(1) == args[0]:
-            for cc in match.group(2).split(', '):
+            for cc in match.group(2).split('\0'):
                 cc = cc.strip()
                 if cc:
                     print(cc)
diff --git a/tools/patman/series.py b/tools/patman/series.py
index 67103f03e6..d667d9b6d6 100644
--- a/tools/patman/series.py
+++ b/tools/patman/series.py
@@ -243,13 +243,13 @@ class Series(dict):
             if limit is not None:
                 cc = cc[:limit]
             all_ccs += cc
-            print(commit.patch, ', '.join(sorted(set(cc))), file=fd)
+            print(commit.patch, '\0'.join(sorted(set(cc))), file=fd)
             self._generated_cc[commit.patch] = cc
 
         if cover_fname:
             cover_cc = gitutil.BuildEmailList(self.get('cover_cc', ''))
             cover_cc = [tools.FromUnicode(m) for m in cover_cc]
-            cc_list = ', '.join([tools.ToUnicode(x)
+            cc_list = '\0'.join([tools.ToUnicode(x)
                                  for x in sorted(set(cover_cc + all_ccs))])
             print(cover_fname, cc_list.encode('utf-8'), file=fd)