* [U-Boot] [PATCH v2 0/5] Prohibit __DATE__ and __TIME__ (+ refactor random MAC addr)
@ 2014-04-18 10:09 Masahiro Yamada
2014-04-18 10:09 ` [U-Boot] [PATCH v2 1/5] rand: do not surround function declarations by #ifdef Masahiro Yamada
` (4 more replies)
0 siblings, 5 replies; 11+ messages in thread
From: Masahiro Yamada @ 2014-04-18 10:09 UTC (permalink / raw)
To: u-boot
The main aim of this series is to prohibit using __DATE__ and __TIME__.
Using __DATE__, __TIME__ in source files would make the build
non-deterministic.
We should be able to generate the exactly same binary if the source
code is the same.
This is necessary, for example, I sometimes want to confirm my changes
to the build system still produces the same output.
So I want to gather timestamp things to one place
(include/generated/timestamp_autogenerated.h) and control it.
Currently __DATE__, __TIME__ are used in two files.
[1] arch/blackfin/include/asm/net.h
Blackfin is using __DATE__ as the seed for the random ethernet address.
This feature will be replaced with genericly-used eth_random_addr().
[2] fs/ubifs/super.c
__DATE__ and __TIME__ are used in dbg_msg(), so simply droppred.
Before doing [1], I've renamed eth_rand_ethaddr() to eth_rand_addr()
for consistency.
And it has been refactored as an inline function, which would be
more easily handled.
Changes for v2:
- Improve commit desctiption and comments in this cover letter
- Add the signed-off of the original auther of 5/5.
No change in code. Update only in comments.
Masahiro Yamada (5):
rand: do not surround function declarations by #ifdef
net: rename and refactor eth_rand_ethaddr() function
blackfin: replace bfin_gen_rand_mac() with eth_random_addr()
fs: ubifs: drop __DATE__ and __TIME__
kbuild: build with -Werror=date-time if the compiler supports it
Makefile | 3 +++
arch/blackfin/include/asm/net.h | 28 ---------------------------
board/bct-brettl2/bct-brettl2.c | 3 +--
board/bf518f-ezbrd/bf518f-ezbrd.c | 3 +--
board/bf526-ezbrd/bf526-ezbrd.c | 3 +--
board/bf527-ezkit/bf527-ezkit.c | 3 +--
board/bf537-minotaur/bf537-minotaur.c | 3 +--
board/bf537-pnav/bf537-pnav.c | 3 +--
board/bf537-srv1/bf537-srv1.c | 3 +--
board/bf537-stamp/bf537-stamp.c | 3 +--
board/buffalo/lsxl/lsxl.c | 2 +-
board/cm-bf527/cm-bf527.c | 3 +--
board/cm-bf537e/cm-bf537e.c | 3 +--
board/cm-bf537u/cm-bf537u.c | 3 +--
board/dnp5370/dnp5370.c | 3 +--
board/ip04/ip04.c | 3 +--
board/tcm-bf518/tcm-bf518.c | 3 +--
board/tcm-bf537/tcm-bf537.c | 3 +--
drivers/net/dm9000x.c | 2 +-
drivers/net/ftmac110.c | 2 +-
fs/ubifs/super.c | 1 -
include/common.h | 2 --
include/configs/bct-brettl2.h | 1 +
include/configs/bf518f-ezbrd.h | 2 +-
include/configs/bf526-ezbrd.h | 2 +-
include/configs/bf527-ezkit.h | 2 +-
include/configs/bf537-minotaur.h | 1 +
include/configs/bf537-pnav.h | 2 +-
include/configs/bf537-srv1.h | 2 +-
include/configs/bf537-stamp.h | 2 +-
include/configs/cm-bf527.h | 2 +-
include/configs/cm-bf537e.h | 2 +-
include/configs/cm-bf537u.h | 2 +-
include/configs/dnp5370.h | 2 ++
include/configs/ip04.h | 1 +
include/configs/tcm-bf518.h | 2 +-
include/configs/tcm-bf537.h | 2 +-
include/net.h | 36 ++++++++++++++++++-----------------
net/eth.c | 22 ---------------------
39 files changed, 56 insertions(+), 114 deletions(-)
delete mode 100644 arch/blackfin/include/asm/net.h
--
1.8.3.2
^ permalink raw reply [flat|nested] 11+ messages in thread
* [U-Boot] [PATCH v2 1/5] rand: do not surround function declarations by #ifdef
2014-04-18 10:09 [U-Boot] [PATCH v2 0/5] Prohibit __DATE__ and __TIME__ (+ refactor random MAC addr) Masahiro Yamada
@ 2014-04-18 10:09 ` Masahiro Yamada
2014-05-13 1:52 ` [U-Boot] [U-Boot, v2, " Tom Rini
2014-04-18 10:09 ` [U-Boot] [PATCH v2 2/5] net: rename and refactor eth_rand_ethaddr() function Masahiro Yamada
` (3 subsequent siblings)
4 siblings, 1 reply; 11+ messages in thread
From: Masahiro Yamada @ 2014-04-18 10:09 UTC (permalink / raw)
To: u-boot
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
---
Changes in v2: None
include/common.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/include/common.h b/include/common.h
index cbd3c9e..49feac2 100644
--- a/include/common.h
+++ b/include/common.h
@@ -834,12 +834,10 @@ char * strmhz(char *buf, unsigned long hz);
#include <u-boot/crc.h>
/* lib/rand.c */
-#if defined(CONFIG_LIB_RAND) || defined(CONFIG_LIB_HW_RAND)
#define RAND_MAX -1U
void srand(unsigned int seed);
unsigned int rand(void);
unsigned int rand_r(unsigned int *seedp);
-#endif
/* common/console.c */
int console_init_f(void); /* Before relocation; uses the serial stuff */
--
1.8.3.2
^ permalink raw reply related [flat|nested] 11+ messages in thread
* [U-Boot] [PATCH v2 2/5] net: rename and refactor eth_rand_ethaddr() function
2014-04-18 10:09 [U-Boot] [PATCH v2 0/5] Prohibit __DATE__ and __TIME__ (+ refactor random MAC addr) Masahiro Yamada
2014-04-18 10:09 ` [U-Boot] [PATCH v2 1/5] rand: do not surround function declarations by #ifdef Masahiro Yamada
@ 2014-04-18 10:09 ` Masahiro Yamada
2014-05-13 1:52 ` [U-Boot] [U-Boot, v2, " Tom Rini
2014-04-18 10:09 ` [U-Boot] [PATCH v2 3/5] blackfin: replace bfin_gen_rand_mac() with eth_random_addr() Masahiro Yamada
` (2 subsequent siblings)
4 siblings, 1 reply; 11+ messages in thread
From: Masahiro Yamada @ 2014-04-18 10:09 UTC (permalink / raw)
To: u-boot
Some functions in include/net.h are ported from
include/linux/etherdevice.h of Linux Kernel.
For ex.
is_zero_ether_addr()
is_multicast_ether_addr()
is_broadcast_ether_addr()
is_valid_ether_addr();
So, we should use the same function name as that of Linux Kernel,
eth_rand_addr(), for consistency.
Besides, eth_rand_addr() has been implemented as an inline function.
So it should not be surrounded by #ifdef CONFIG_RANDOM_MACADDR.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
---
Changes in v2:
- Fix commit description
board/buffalo/lsxl/lsxl.c | 2 +-
drivers/net/dm9000x.c | 2 +-
drivers/net/ftmac110.c | 2 +-
include/net.h | 36 +++++++++++++++++++-----------------
net/eth.c | 22 ----------------------
5 files changed, 22 insertions(+), 42 deletions(-)
diff --git a/board/buffalo/lsxl/lsxl.c b/board/buffalo/lsxl/lsxl.c
index eca1683..659a124 100644
--- a/board/buffalo/lsxl/lsxl.c
+++ b/board/buffalo/lsxl/lsxl.c
@@ -231,7 +231,7 @@ static void rescue_mode(void)
printf("Entering rescue mode..\n");
#ifdef CONFIG_RANDOM_MACADDR
if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
- eth_random_enetaddr(enetaddr);
+ eth_random_addr(enetaddr);
if (eth_setenv_enetaddr("ethaddr", enetaddr)) {
printf("Failed to set ethernet address\n");
set_led(LED_ALARM_BLINKING);
diff --git a/drivers/net/dm9000x.c b/drivers/net/dm9000x.c
index b68d808..4de9d41 100644
--- a/drivers/net/dm9000x.c
+++ b/drivers/net/dm9000x.c
@@ -345,7 +345,7 @@ static int dm9000_init(struct eth_device *dev, bd_t *bd)
if (!is_valid_ether_addr(dev->enetaddr)) {
#ifdef CONFIG_RANDOM_MACADDR
printf("Bad MAC address (uninitialized EEPROM?), randomizing\n");
- eth_random_enetaddr(dev->enetaddr);
+ eth_random_addr(dev->enetaddr);
printf("MAC: %pM\n", dev->enetaddr);
#else
printf("WARNING: Bad MAC address (uninitialized EEPROM?)\n");
diff --git a/drivers/net/ftmac110.c b/drivers/net/ftmac110.c
index 8eee272..98c4f09 100644
--- a/drivers/net/ftmac110.c
+++ b/drivers/net/ftmac110.c
@@ -425,7 +425,7 @@ int ftmac110_initialize(bd_t *bis)
dev->recv = ftmac110_recv;
if (!eth_getenv_enetaddr_by_index("eth", card_nr, dev->enetaddr))
- eth_random_enetaddr(dev->enetaddr);
+ eth_random_addr(dev->enetaddr);
/* allocate tx descriptors (it must be 16 bytes aligned) */
chip->txd = dma_alloc_coherent(
diff --git a/include/net.h b/include/net.h
index 0802fad..735b0b9 100644
--- a/include/net.h
+++ b/include/net.h
@@ -130,23 +130,6 @@ extern int eth_setenv_enetaddr(char *name, const uchar *enetaddr);
extern int eth_getenv_enetaddr_by_index(const char *base_name, int index,
uchar *enetaddr);
-#ifdef CONFIG_RANDOM_MACADDR
-/*
- * The u-boot policy does not allow hardcoded ethernet addresses. Under the
- * following circumstances a random generated address is allowed:
- * - in emergency cases, where you need a working network connection to set
- * the ethernet address.
- * Eg. you want a rescue boot and don't have a serial port to access the
- * CLI to set environment variables.
- *
- * In these cases, we generate a random locally administered ethernet address.
- *
- * Args:
- * enetaddr - returns 6 byte hardware address
- */
-extern void eth_random_enetaddr(uchar *enetaddr);
-#endif
-
extern int usb_eth_initialize(bd_t *bi);
extern int eth_init(bd_t *bis); /* Initialize the device */
extern int eth_send(void *packet, int length); /* Send a packet */
@@ -674,6 +657,25 @@ static inline int is_valid_ether_addr(const u8 *addr)
return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr);
}
+/**
+ * eth_random_addr - Generate software assigned random Ethernet address
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Generate a random Ethernet address (MAC) that is not multicast
+ * and has the local assigned bit set.
+ */
+static inline void eth_random_addr(uchar *addr)
+{
+ int i;
+ unsigned int seed = get_timer(0);
+
+ for (i = 0; i < 6; i++)
+ addr[i] = rand_r(&seed);
+
+ addr[0] &= 0xfe; /* clear multicast bit */
+ addr[0] |= 0x02; /* set local assignment bit (IEEE802) */
+}
+
/* Convert an IP address to a string */
extern void ip_to_string(IPaddr_t x, char *s);
diff --git a/net/eth.c b/net/eth.c
index 32bd10c..99386e3 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -63,28 +63,6 @@ static int eth_mac_skip(int index)
return ((skip_state = getenv(enetvar)) != NULL);
}
-#ifdef CONFIG_RANDOM_MACADDR
-void eth_random_enetaddr(uchar *enetaddr)
-{
- uint32_t rval;
-
- srand(get_timer(0));
-
- rval = rand();
- enetaddr[0] = rval & 0xff;
- enetaddr[1] = (rval >> 8) & 0xff;
- enetaddr[2] = (rval >> 16) & 0xff;
-
- rval = rand();
- enetaddr[3] = rval & 0xff;
- enetaddr[4] = (rval >> 8) & 0xff;
- enetaddr[5] = (rval >> 16) & 0xff;
-
- /* make sure it's local and unicast */
- enetaddr[0] = (enetaddr[0] | 0x02) & ~0x01;
-}
-#endif
-
/*
* CPU and board-specific Ethernet initializations. Aliased function
* signals caller to move on
--
1.8.3.2
^ permalink raw reply related [flat|nested] 11+ messages in thread
* [U-Boot] [PATCH v2 3/5] blackfin: replace bfin_gen_rand_mac() with eth_random_addr()
2014-04-18 10:09 [U-Boot] [PATCH v2 0/5] Prohibit __DATE__ and __TIME__ (+ refactor random MAC addr) Masahiro Yamada
2014-04-18 10:09 ` [U-Boot] [PATCH v2 1/5] rand: do not surround function declarations by #ifdef Masahiro Yamada
2014-04-18 10:09 ` [U-Boot] [PATCH v2 2/5] net: rename and refactor eth_rand_ethaddr() function Masahiro Yamada
@ 2014-04-18 10:09 ` Masahiro Yamada
2014-05-13 1:52 ` [U-Boot] [U-Boot, v2, " Tom Rini
2014-04-18 10:09 ` [U-Boot] [PATCH v2 4/5] fs: ubifs: drop __DATE__ and __TIME__ Masahiro Yamada
2014-04-18 10:09 ` [U-Boot] [PATCH v2 5/5] kbuild: build with -Werror=date-time if the compiler supports it Masahiro Yamada
4 siblings, 1 reply; 11+ messages in thread
From: Masahiro Yamada @ 2014-04-18 10:09 UTC (permalink / raw)
To: u-boot
bfin_gen_rand_mac() uses __DATE__ as the seed for random ethernet
address. This makes the build non-deterministic.
In the first place, it should not be implemented as a Bfin-specific
function. Use eth_random_addr() instead.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Sonic Zhang <sonic.zhang@analog.com>
---
Changes in v2:
- Improve commit description
arch/blackfin/include/asm/net.h | 28 ----------------------------
board/bct-brettl2/bct-brettl2.c | 3 +--
board/bf518f-ezbrd/bf518f-ezbrd.c | 3 +--
board/bf526-ezbrd/bf526-ezbrd.c | 3 +--
board/bf527-ezkit/bf527-ezkit.c | 3 +--
board/bf537-minotaur/bf537-minotaur.c | 3 +--
board/bf537-pnav/bf537-pnav.c | 3 +--
board/bf537-srv1/bf537-srv1.c | 3 +--
board/bf537-stamp/bf537-stamp.c | 3 +--
board/cm-bf527/cm-bf527.c | 3 +--
board/cm-bf537e/cm-bf537e.c | 3 +--
board/cm-bf537u/cm-bf537u.c | 3 +--
board/dnp5370/dnp5370.c | 3 +--
board/ip04/ip04.c | 3 +--
board/tcm-bf518/tcm-bf518.c | 3 +--
board/tcm-bf537/tcm-bf537.c | 3 +--
include/configs/bct-brettl2.h | 1 +
include/configs/bf518f-ezbrd.h | 2 +-
include/configs/bf526-ezbrd.h | 2 +-
include/configs/bf527-ezkit.h | 2 +-
include/configs/bf537-minotaur.h | 1 +
include/configs/bf537-pnav.h | 2 +-
include/configs/bf537-srv1.h | 2 +-
include/configs/bf537-stamp.h | 2 +-
include/configs/cm-bf527.h | 2 +-
include/configs/cm-bf537e.h | 2 +-
include/configs/cm-bf537u.h | 2 +-
include/configs/dnp5370.h | 2 ++
include/configs/ip04.h | 1 +
include/configs/tcm-bf518.h | 2 +-
include/configs/tcm-bf537.h | 2 +-
31 files changed, 31 insertions(+), 69 deletions(-)
delete mode 100644 arch/blackfin/include/asm/net.h
diff --git a/arch/blackfin/include/asm/net.h b/arch/blackfin/include/asm/net.h
deleted file mode 100644
index 97cb466..0000000
--- a/arch/blackfin/include/asm/net.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * net.h - misc Blackfin network helpers
- *
- * Copyright (c) 2008-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#ifndef __ASM_BFIN_RAND_MAC__
-#define __ASM_BFIN_RAND_MAC__
-
-/* If the board does not have a real MAC assigned to it, then generate a
- * locally administrated pseudo-random one based on CYCLES and compile date.
- */
-static inline void bfin_gen_rand_mac(uchar *mac_addr)
-{
- /* make something up */
- const char s[] = __DATE__;
- size_t i;
- u32 cycles;
- for (i = 0; i < 6; ++i) {
- asm("%0 = CYCLES;" : "=r" (cycles));
- mac_addr[i] = cycles ^ s[i];
- }
- mac_addr[0] = (mac_addr[0] | 0x02) & ~0x01; /* make it local unicast */
-}
-
-#endif
diff --git a/board/bct-brettl2/bct-brettl2.c b/board/bct-brettl2/bct-brettl2.c
index de5b9ff..6be9b18 100644
--- a/board/bct-brettl2/bct-brettl2.c
+++ b/board/bct-brettl2/bct-brettl2.c
@@ -12,7 +12,6 @@
#include <asm/blackfin.h>
#include <asm/portmux.h>
#include <asm/gpio.h>
-#include <asm/net.h>
#include <net.h>
#include <netdev.h>
#include <miiphy.h>
@@ -33,7 +32,7 @@ int checkboard(void)
static void board_init_enetaddr(uchar *mac_addr)
{
puts("Warning: Generating 'random' MAC address\n");
- bfin_gen_rand_mac(mac_addr);
+ eth_random_addr(mac_addr);
eth_setenv_enetaddr("ethaddr", mac_addr);
}
diff --git a/board/bf518f-ezbrd/bf518f-ezbrd.c b/board/bf518f-ezbrd/bf518f-ezbrd.c
index 09a2353..3a94a57 100644
--- a/board/bf518f-ezbrd/bf518f-ezbrd.c
+++ b/board/bf518f-ezbrd/bf518f-ezbrd.c
@@ -13,7 +13,6 @@
#include <netdev.h>
#include <spi.h>
#include <asm/blackfin.h>
-#include <asm/net.h>
#include <asm/portmux.h>
#include <asm/mach-common/bits/otp.h>
#include <asm/sdh.h>
@@ -48,7 +47,7 @@ static void board_init_enetaddr(uchar *mac_addr)
if (!valid_mac) {
puts("Warning: Generating 'random' MAC address\n");
- bfin_gen_rand_mac(mac_addr);
+ eth_random_addr(mac_addr);
}
eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/bf526-ezbrd/bf526-ezbrd.c b/board/bf526-ezbrd/bf526-ezbrd.c
index 4695b11..368d6be 100644
--- a/board/bf526-ezbrd/bf526-ezbrd.c
+++ b/board/bf526-ezbrd/bf526-ezbrd.c
@@ -12,7 +12,6 @@
#include <net.h>
#include <netdev.h>
#include <asm/blackfin.h>
-#include <asm/net.h>
#include <asm/mach-common/bits/otp.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -45,7 +44,7 @@ static void board_init_enetaddr(uchar *mac_addr)
if (!valid_mac) {
puts("Warning: Generating 'random' MAC address\n");
- bfin_gen_rand_mac(mac_addr);
+ eth_random_addr(mac_addr);
}
eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/bf527-ezkit/bf527-ezkit.c b/board/bf527-ezkit/bf527-ezkit.c
index 211cf24..88e1869 100644
--- a/board/bf527-ezkit/bf527-ezkit.c
+++ b/board/bf527-ezkit/bf527-ezkit.c
@@ -13,7 +13,6 @@
#include <netdev.h>
#include <asm/blackfin.h>
#include <asm/gpio.h>
-#include <asm/net.h>
#include <asm/mach-common/bits/otp.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -47,7 +46,7 @@ static void board_init_enetaddr(uchar *mac_addr)
if (!valid_mac) {
puts("Warning: Generating 'random' MAC address\n");
- bfin_gen_rand_mac(mac_addr);
+ eth_random_addr(mac_addr);
}
eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/bf537-minotaur/bf537-minotaur.c b/board/bf537-minotaur/bf537-minotaur.c
index 920429c..ca61ef9 100644
--- a/board/bf537-minotaur/bf537-minotaur.c
+++ b/board/bf537-minotaur/bf537-minotaur.c
@@ -12,7 +12,6 @@
#include <netdev.h>
#include <net.h>
#include <asm/blackfin.h>
-#include <asm/net.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -27,7 +26,7 @@ int checkboard(void)
static void board_init_enetaddr(uchar *mac_addr)
{
puts("Warning: Generating 'random' MAC address\n");
- bfin_gen_rand_mac(mac_addr);
+ eth_random_addr(mac_addr);
eth_setenv_enetaddr("ethaddr", mac_addr);
}
diff --git a/board/bf537-pnav/bf537-pnav.c b/board/bf537-pnav/bf537-pnav.c
index c512528..df00110 100644
--- a/board/bf537-pnav/bf537-pnav.c
+++ b/board/bf537-pnav/bf537-pnav.c
@@ -12,7 +12,6 @@
#include <netdev.h>
#include <net.h>
#include <asm/blackfin.h>
-#include <asm/net.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -27,7 +26,7 @@ int checkboard(void)
static void board_init_enetaddr(uchar *mac_addr)
{
puts("Warning: Generating 'random' MAC address\n");
- bfin_gen_rand_mac(mac_addr);
+ eth_random_addr(mac_addr);
eth_setenv_enetaddr("ethaddr", mac_addr);
}
diff --git a/board/bf537-srv1/bf537-srv1.c b/board/bf537-srv1/bf537-srv1.c
index 04d3891..725296a 100644
--- a/board/bf537-srv1/bf537-srv1.c
+++ b/board/bf537-srv1/bf537-srv1.c
@@ -12,7 +12,6 @@
#include <netdev.h>
#include <net.h>
#include <asm/blackfin.h>
-#include <asm/net.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -27,7 +26,7 @@ int checkboard(void)
static void board_init_enetaddr(uchar *mac_addr)
{
puts("Warning: Generating 'random' MAC address\n");
- bfin_gen_rand_mac(mac_addr);
+ eth_random_addr(mac_addr);
eth_setenv_enetaddr("ethaddr", mac_addr);
}
diff --git a/board/bf537-stamp/bf537-stamp.c b/board/bf537-stamp/bf537-stamp.c
index 5fdf837..32045a9 100644
--- a/board/bf537-stamp/bf537-stamp.c
+++ b/board/bf537-stamp/bf537-stamp.c
@@ -13,7 +13,6 @@
#include <config.h>
#include <command.h>
#include <asm/blackfin.h>
-#include <asm/net.h>
#include <net.h>
#include <asm/mach-common/bits/bootrom.h>
#include <netdev.h>
@@ -48,7 +47,7 @@ static void board_init_enetaddr(uchar *mac_addr)
if (!valid_mac) {
puts("Warning: Generating 'random' MAC address\n");
- bfin_gen_rand_mac(mac_addr);
+ eth_random_addr(mac_addr);
}
eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/cm-bf527/cm-bf527.c b/board/cm-bf527/cm-bf527.c
index a5f70a4..1533eb9 100644
--- a/board/cm-bf527/cm-bf527.c
+++ b/board/cm-bf527/cm-bf527.c
@@ -11,7 +11,6 @@
#include <net.h>
#include <netdev.h>
#include <asm/blackfin.h>
-#include <asm/net.h>
#include <asm/mach-common/bits/otp.h>
#include "../cm-bf537e/gpio_cfi_flash.h"
@@ -46,7 +45,7 @@ static void board_init_enetaddr(uchar *mac_addr)
if (!valid_mac) {
puts("Warning: Generating 'random' MAC address\n");
- bfin_gen_rand_mac(mac_addr);
+ eth_random_addr(mac_addr);
}
eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/cm-bf537e/cm-bf537e.c b/board/cm-bf537e/cm-bf537e.c
index 8daf3ad..e79f90f 100644
--- a/board/cm-bf537e/cm-bf537e.c
+++ b/board/cm-bf537e/cm-bf537e.c
@@ -12,7 +12,6 @@
#include <net.h>
#include <netdev.h>
#include <asm/blackfin.h>
-#include <asm/net.h>
#include "gpio_cfi_flash.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -32,7 +31,7 @@ static void board_init_enetaddr(char *var)
return;
printf("Warning: %s: generating 'random' MAC address\n", var);
- bfin_gen_rand_mac(enetaddr);
+ eth_random_addr(enetaddr);
eth_setenv_enetaddr(var, enetaddr);
}
diff --git a/board/cm-bf537u/cm-bf537u.c b/board/cm-bf537u/cm-bf537u.c
index 5941b5f..632cbda 100644
--- a/board/cm-bf537u/cm-bf537u.c
+++ b/board/cm-bf537u/cm-bf537u.c
@@ -12,7 +12,6 @@
#include <net.h>
#include <netdev.h>
#include <asm/blackfin.h>
-#include <asm/net.h>
#include "../cm-bf537e/gpio_cfi_flash.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -32,7 +31,7 @@ static void board_init_enetaddr(char *var)
return;
printf("Warning: %s: generating 'random' MAC address\n", var);
- bfin_gen_rand_mac(enetaddr);
+ eth_random_addr(enetaddr);
eth_setenv_enetaddr(var, enetaddr);
}
diff --git a/board/dnp5370/dnp5370.c b/board/dnp5370/dnp5370.c
index 4b3873b..df721c9 100644
--- a/board/dnp5370/dnp5370.c
+++ b/board/dnp5370/dnp5370.c
@@ -14,7 +14,6 @@
#include <common.h>
#include <config.h>
#include <asm/blackfin.h>
-#include <asm/net.h>
#include <net.h>
#include <netdev.h>
#include <asm/gpio.h>
@@ -55,7 +54,7 @@ static void board_init_enetaddr(uchar *mac_addr)
if (!valid_mac) {
puts("Warning: Generating 'random' MAC address\n");
- bfin_gen_rand_mac(mac_addr);
+ eth_random_addr(mac_addr);
}
eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/ip04/ip04.c b/board/ip04/ip04.c
index c8ae512..ae52633 100644
--- a/board/ip04/ip04.c
+++ b/board/ip04/ip04.c
@@ -13,7 +13,6 @@
#include <common.h>
#include <net.h>
#include <netdev.h>
-#include <asm/net.h>
int checkboard(void)
{
@@ -33,7 +32,7 @@ int misc_init_r(void)
uchar enetaddr[6];
if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
puts("Warning: Generating 'random' MAC address\n");
- bfin_gen_rand_mac(enetaddr);
+ eth_random_addr(enetaddr);
eth_setenv_enetaddr("ethaddr", enetaddr);
}
diff --git a/board/tcm-bf518/tcm-bf518.c b/board/tcm-bf518/tcm-bf518.c
index 5964059..5d25fcd 100644
--- a/board/tcm-bf518/tcm-bf518.c
+++ b/board/tcm-bf518/tcm-bf518.c
@@ -11,7 +11,6 @@
#include <net.h>
#include <netdev.h>
#include <asm/blackfin.h>
-#include <asm/net.h>
#include <asm/mach-common/bits/otp.h>
#include <asm/sdh.h>
@@ -47,7 +46,7 @@ static void board_init_enetaddr(uchar *mac_addr)
if (!valid_mac) {
puts("Warning: Generating 'random' MAC address\n");
- bfin_gen_rand_mac(mac_addr);
+ eth_random_addr(mac_addr);
}
eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/tcm-bf537/tcm-bf537.c b/board/tcm-bf537/tcm-bf537.c
index 38aaae6..a4f0f71 100644
--- a/board/tcm-bf537/tcm-bf537.c
+++ b/board/tcm-bf537/tcm-bf537.c
@@ -12,7 +12,6 @@
#include <net.h>
#include <netdev.h>
#include <asm/blackfin.h>
-#include <asm/net.h>
#include "../cm-bf537e/gpio_cfi_flash.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -32,7 +31,7 @@ static void board_init_enetaddr(char *var)
return;
printf("Warning: %s: generating 'random' MAC address\n", var);
- bfin_gen_rand_mac(enetaddr);
+ eth_random_addr(enetaddr);
eth_setenv_enetaddr(var, enetaddr);
}
diff --git a/include/configs/bct-brettl2.h b/include/configs/bct-brettl2.h
index 06f095c..c1eda96 100644
--- a/include/configs/bct-brettl2.h
+++ b/include/configs/bct-brettl2.h
@@ -75,6 +75,7 @@
#define CONFIG_ROOTPATH "/romfs/brettl2"
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:e8 */
+#define CONFIG_LIB_RAND
#endif
diff --git a/include/configs/bf518f-ezbrd.h b/include/configs/bf518f-ezbrd.h
index 9eb85eb..9e374c4 100644
--- a/include/configs/bf518f-ezbrd.h
+++ b/include/configs/bf518f-ezbrd.h
@@ -89,7 +89,7 @@
#define CONFIG_PHY_ADDR 3
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:e8 */
-
+#define CONFIG_LIB_RAND
/*
* Flash Settings
diff --git a/include/configs/bf526-ezbrd.h b/include/configs/bf526-ezbrd.h
index 3065d22..972eca9 100644
--- a/include/configs/bf526-ezbrd.h
+++ b/include/configs/bf526-ezbrd.h
@@ -87,7 +87,7 @@
#define CONFIG_HOSTNAME bf526-ezbrd
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:e8 */
-
+#define CONFIG_LIB_RAND
/*
* Flash Settings
diff --git a/include/configs/bf527-ezkit.h b/include/configs/bf527-ezkit.h
index 748ddb3..92c183e 100644
--- a/include/configs/bf527-ezkit.h
+++ b/include/configs/bf527-ezkit.h
@@ -85,7 +85,7 @@
#define CONFIG_HOSTNAME bf527-ezkit
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:e8 */
-
+#define CONFIG_LIB_RAND
/*
* Flash Settings
diff --git a/include/configs/bf537-minotaur.h b/include/configs/bf537-minotaur.h
index 156eeab..3bc364c 100644
--- a/include/configs/bf537-minotaur.h
+++ b/include/configs/bf537-minotaur.h
@@ -89,6 +89,7 @@
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:42 */
+#define CONFIG_LIB_RAND
/*
* Flash Settings
diff --git a/include/configs/bf537-pnav.h b/include/configs/bf537-pnav.h
index 3aa3d50..ba74a69 100644
--- a/include/configs/bf537-pnav.h
+++ b/include/configs/bf537-pnav.h
@@ -67,7 +67,7 @@
#define CONFIG_HOSTNAME bf537-pnav
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 02:80:ad:24:21:18 */
-
+#define CONFIG_LIB_RAND
/*
* Flash Settings
diff --git a/include/configs/bf537-srv1.h b/include/configs/bf537-srv1.h
index e12d761..0b723cf 100644
--- a/include/configs/bf537-srv1.h
+++ b/include/configs/bf537-srv1.h
@@ -88,7 +88,7 @@
#define CONFIG_ROOTPATH "/romfs"
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:42 */
-
+#define CONFIG_LIB_RAND
/*
* Flash Settings
diff --git a/include/configs/bf537-stamp.h b/include/configs/bf537-stamp.h
index e1705ca..a302f83 100644
--- a/include/configs/bf537-stamp.h
+++ b/include/configs/bf537-stamp.h
@@ -67,7 +67,7 @@
#define CONFIG_HOSTNAME bf537-stamp
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:e8 */
-
+#define CONFIG_LIB_RAND
/*
* Flash Settings
diff --git a/include/configs/cm-bf527.h b/include/configs/cm-bf527.h
index 384d871..8d3ae49 100644
--- a/include/configs/cm-bf527.h
+++ b/include/configs/cm-bf527.h
@@ -85,7 +85,7 @@
#define CONFIG_HOSTNAME cm-bf527
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:e8 */
-
+#define CONFIG_LIB_RAND
/*
* Flash Settings
diff --git a/include/configs/cm-bf537e.h b/include/configs/cm-bf537e.h
index 67cf801..47967d7 100644
--- a/include/configs/cm-bf537e.h
+++ b/include/configs/cm-bf537e.h
@@ -73,7 +73,7 @@
#define CONFIG_HOSTNAME cm-bf537e
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:e8 */
-
+#define CONFIG_LIB_RAND
/*
* Flash Settings
diff --git a/include/configs/cm-bf537u.h b/include/configs/cm-bf537u.h
index 34ce75b..88c9982 100644
--- a/include/configs/cm-bf537u.h
+++ b/include/configs/cm-bf537u.h
@@ -71,7 +71,7 @@
#define CONFIG_HOSTNAME cm-bf537u
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:e8 */
-
+#define CONFIG_LIB_RAND
/*
* Flash Settings
diff --git a/include/configs/dnp5370.h b/include/configs/dnp5370.h
index 4f2c742..3f1f9f3 100644
--- a/include/configs/dnp5370.h
+++ b/include/configs/dnp5370.h
@@ -55,6 +55,8 @@
#define CONFIG_CMD_MII
#define CONFIG_CMD_PING
+
+#define CONFIG_LIB_RAND
#endif
/*
diff --git a/include/configs/ip04.h b/include/configs/ip04.h
index 0efa2b7..3767502 100644
--- a/include/configs/ip04.h
+++ b/include/configs/ip04.h
@@ -77,6 +77,7 @@
#define DM9000_IO CONFIG_DM9000_BASE
#define DM9000_DATA (CONFIG_DM9000_BASE + 2)
+#define CONFIG_LIB_RAND
/*
* Flash Settings
diff --git a/include/configs/tcm-bf518.h b/include/configs/tcm-bf518.h
index 1ff34d5..a77ba69 100644
--- a/include/configs/tcm-bf518.h
+++ b/include/configs/tcm-bf518.h
@@ -68,7 +68,7 @@
#define CONFIG_HOSTNAME tcm-bf518
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:e8 */
-
+#define CONFIG_LIB_RAND
/*
* Flash Settings
diff --git a/include/configs/tcm-bf537.h b/include/configs/tcm-bf537.h
index 370d97f..c4c1c57 100644
--- a/include/configs/tcm-bf537.h
+++ b/include/configs/tcm-bf537.h
@@ -73,7 +73,7 @@
#define CONFIG_HOSTNAME tcm-bf537
/* Uncomment next line to use fixed MAC address */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:e8 */
-
+#define CONFIG_LIB_RAND
/*
* Flash Settings
--
1.8.3.2
^ permalink raw reply related [flat|nested] 11+ messages in thread
* [U-Boot] [PATCH v2 4/5] fs: ubifs: drop __DATE__ and __TIME__
2014-04-18 10:09 [U-Boot] [PATCH v2 0/5] Prohibit __DATE__ and __TIME__ (+ refactor random MAC addr) Masahiro Yamada
` (2 preceding siblings ...)
2014-04-18 10:09 ` [U-Boot] [PATCH v2 3/5] blackfin: replace bfin_gen_rand_mac() with eth_random_addr() Masahiro Yamada
@ 2014-04-18 10:09 ` Masahiro Yamada
2014-05-13 1:52 ` [U-Boot] [U-Boot,v2,4/5] " Tom Rini
2014-04-18 10:09 ` [U-Boot] [PATCH v2 5/5] kbuild: build with -Werror=date-time if the compiler supports it Masahiro Yamada
4 siblings, 1 reply; 11+ messages in thread
From: Masahiro Yamada @ 2014-04-18 10:09 UTC (permalink / raw)
To: u-boot
__DATE__ and __TIME__ makes the build non-deterministic.
Drop the debug message using them.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
---
Changes in v2: None
fs/ubifs/super.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 67f115f..748ab67 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -734,7 +734,6 @@ static int mount_ubifs(struct ubifs_info *c)
ubifs_msg("reserved for root: %llu bytes (%llu KiB)",
c->report_rp_size, c->report_rp_size >> 10);
- dbg_msg("compiled on: " __DATE__ " at " __TIME__);
dbg_msg("min. I/O unit size: %d bytes", c->min_io_size);
dbg_msg("LEB size: %d bytes (%d KiB)",
c->leb_size, c->leb_size >> 10);
--
1.8.3.2
^ permalink raw reply related [flat|nested] 11+ messages in thread
* [U-Boot] [PATCH v2 5/5] kbuild: build with -Werror=date-time if the compiler supports it
2014-04-18 10:09 [U-Boot] [PATCH v2 0/5] Prohibit __DATE__ and __TIME__ (+ refactor random MAC addr) Masahiro Yamada
` (3 preceding siblings ...)
2014-04-18 10:09 ` [U-Boot] [PATCH v2 4/5] fs: ubifs: drop __DATE__ and __TIME__ Masahiro Yamada
@ 2014-04-18 10:09 ` Masahiro Yamada
2014-05-13 1:52 ` [U-Boot] [U-Boot, v2, " Tom Rini
4 siblings, 1 reply; 11+ messages in thread
From: Masahiro Yamada @ 2014-04-18 10:09 UTC (permalink / raw)
To: u-boot
Using __DATE__, __TIME__ would make the build non-deterministic.
If the code needs to refer to build date/time, use U_BOOT_DATE and
U_BOOT_TIME in include/generated/timestamp_autogenerated.h instead.
This commit has been imported from Linux Kernel,
which should be applied to U-Boot too:
commit fe7c36c7bde12190341722af69358e42171162f3
Author: Josh Triplett <josh@joshtriplett.org>
Date: Mon Dec 23 13:56:06 2013 -0800
Makefile: Build with -Werror=date-time if the compiler supports it
GCC 4.9 and newer have a new warning -Wdate-time, which warns on any use
of __DATE__, __TIME__, or __TIMESTAMP__, which would make the build
non-deterministic. Now that the kernel does not use any of those
macros, turn on -Werror=date-time if available, to keep it that way.
The kernel already (optionally) records this information at build time
in a single place; other kernel code should not duplicate that.
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
---
Changes in v2:
- Add signed-off of the original author.
Makefile | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Makefile b/Makefile
index 0191869..09a370f 100644
--- a/Makefile
+++ b/Makefile
@@ -578,6 +578,9 @@ KBUILD_AFLAGS += -Wa,-gstabs,-S
endif
endif
+# Prohibit date/time macros, which would make the build non-deterministic
+KBUILD_CFLAGS += $(call cc-option,-Werror=date-time)
+
ifneq ($(CONFIG_SYS_TEXT_BASE),)
KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
endif
--
1.8.3.2
^ permalink raw reply related [flat|nested] 11+ messages in thread
* [U-Boot] [U-Boot, v2, 1/5] rand: do not surround function declarations by #ifdef
2014-04-18 10:09 ` [U-Boot] [PATCH v2 1/5] rand: do not surround function declarations by #ifdef Masahiro Yamada
@ 2014-05-13 1:52 ` Tom Rini
0 siblings, 0 replies; 11+ messages in thread
From: Tom Rini @ 2014-05-13 1:52 UTC (permalink / raw)
To: u-boot
On Fri, Apr 18, 2014 at 07:09:47PM +0900, Masahiro Yamada wrote:
> Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Applied to u-boot/master, thanks!
--
Tom
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* [U-Boot] [U-Boot, v2, 2/5] net: rename and refactor eth_rand_ethaddr() function
2014-04-18 10:09 ` [U-Boot] [PATCH v2 2/5] net: rename and refactor eth_rand_ethaddr() function Masahiro Yamada
@ 2014-05-13 1:52 ` Tom Rini
0 siblings, 0 replies; 11+ messages in thread
From: Tom Rini @ 2014-05-13 1:52 UTC (permalink / raw)
To: u-boot
On Fri, Apr 18, 2014 at 07:09:48PM +0900, Masahiro Yamada wrote:
> Some functions in include/net.h are ported from
> include/linux/etherdevice.h of Linux Kernel.
>
> For ex.
> is_zero_ether_addr()
> is_multicast_ether_addr()
> is_broadcast_ether_addr()
> is_valid_ether_addr();
>
> So, we should use the same function name as that of Linux Kernel,
> eth_rand_addr(), for consistency.
>
> Besides, eth_rand_addr() has been implemented as an inline function.
> So it should not be surrounded by #ifdef CONFIG_RANDOM_MACADDR.
>
> Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Applied to u-boot/master, thanks!
--
Tom
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* [U-Boot] [U-Boot, v2, 3/5] blackfin: replace bfin_gen_rand_mac() with eth_random_addr()
2014-04-18 10:09 ` [U-Boot] [PATCH v2 3/5] blackfin: replace bfin_gen_rand_mac() with eth_random_addr() Masahiro Yamada
@ 2014-05-13 1:52 ` Tom Rini
0 siblings, 0 replies; 11+ messages in thread
From: Tom Rini @ 2014-05-13 1:52 UTC (permalink / raw)
To: u-boot
On Fri, Apr 18, 2014 at 07:09:49PM +0900, Masahiro Yamada wrote:
> bfin_gen_rand_mac() uses __DATE__ as the seed for random ethernet
> address. This makes the build non-deterministic.
>
> In the first place, it should not be implemented as a Bfin-specific
> function. Use eth_random_addr() instead.
>
> Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
> Cc: Sonic Zhang <sonic.zhang@analog.com>
Applied to u-boot/master, thanks!
--
Tom
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* [U-Boot] [U-Boot,v2,4/5] fs: ubifs: drop __DATE__ and __TIME__
2014-04-18 10:09 ` [U-Boot] [PATCH v2 4/5] fs: ubifs: drop __DATE__ and __TIME__ Masahiro Yamada
@ 2014-05-13 1:52 ` Tom Rini
0 siblings, 0 replies; 11+ messages in thread
From: Tom Rini @ 2014-05-13 1:52 UTC (permalink / raw)
To: u-boot
On Fri, Apr 18, 2014 at 07:09:50PM +0900, Masahiro Yamada wrote:
> __DATE__ and __TIME__ makes the build non-deterministic.
> Drop the debug message using them.
>
> Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Applied to u-boot/master, thanks!
--
Tom
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* [U-Boot] [U-Boot, v2, 5/5] kbuild: build with -Werror=date-time if the compiler supports it
2014-04-18 10:09 ` [U-Boot] [PATCH v2 5/5] kbuild: build with -Werror=date-time if the compiler supports it Masahiro Yamada
@ 2014-05-13 1:52 ` Tom Rini
0 siblings, 0 replies; 11+ messages in thread
From: Tom Rini @ 2014-05-13 1:52 UTC (permalink / raw)
To: u-boot
On Fri, Apr 18, 2014 at 07:09:51PM +0900, Masahiro Yamada wrote:
> Using __DATE__, __TIME__ would make the build non-deterministic.
>
> If the code needs to refer to build date/time, use U_BOOT_DATE and
> U_BOOT_TIME in include/generated/timestamp_autogenerated.h instead.
>
> This commit has been imported from Linux Kernel,
> which should be applied to U-Boot too:
>
> commit fe7c36c7bde12190341722af69358e42171162f3
> Author: Josh Triplett <josh@joshtriplett.org>
> Date: Mon Dec 23 13:56:06 2013 -0800
>
> Makefile: Build with -Werror=date-time if the compiler supports it
>
> GCC 4.9 and newer have a new warning -Wdate-time, which warns on any use
> of __DATE__, __TIME__, or __TIMESTAMP__, which would make the build
> non-deterministic. Now that the kernel does not use any of those
> macros, turn on -Werror=date-time if available, to keep it that way.
>
> The kernel already (optionally) records this information at build time
> in a single place; other kernel code should not duplicate that.
>
> Signed-off-by: Josh Triplett <josh@joshtriplett.org>
> Signed-off-by: Michal Marek <mmarek@suse.cz>
> Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Applied to u-boot/master, thanks!
--
Tom
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^ permalink raw reply [flat|nested] 11+ messages in thread
end of thread, other threads:[~2014-05-13 1:52 UTC | newest]
Thread overview: 11+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-04-18 10:09 [U-Boot] [PATCH v2 0/5] Prohibit __DATE__ and __TIME__ (+ refactor random MAC addr) Masahiro Yamada
2014-04-18 10:09 ` [U-Boot] [PATCH v2 1/5] rand: do not surround function declarations by #ifdef Masahiro Yamada
2014-05-13 1:52 ` [U-Boot] [U-Boot, v2, " Tom Rini
2014-04-18 10:09 ` [U-Boot] [PATCH v2 2/5] net: rename and refactor eth_rand_ethaddr() function Masahiro Yamada
2014-05-13 1:52 ` [U-Boot] [U-Boot, v2, " Tom Rini
2014-04-18 10:09 ` [U-Boot] [PATCH v2 3/5] blackfin: replace bfin_gen_rand_mac() with eth_random_addr() Masahiro Yamada
2014-05-13 1:52 ` [U-Boot] [U-Boot, v2, " Tom Rini
2014-04-18 10:09 ` [U-Boot] [PATCH v2 4/5] fs: ubifs: drop __DATE__ and __TIME__ Masahiro Yamada
2014-05-13 1:52 ` [U-Boot] [U-Boot,v2,4/5] " Tom Rini
2014-04-18 10:09 ` [U-Boot] [PATCH v2 5/5] kbuild: build with -Werror=date-time if the compiler supports it Masahiro Yamada
2014-05-13 1:52 ` [U-Boot] [U-Boot, v2, " Tom Rini
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