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Enable console log from earlyconsole in Linux bootargs

PATCH New Pratiyush Mohan Srivastava 2 participants 3 messages Oct 31, 2015 – Dec 15, 2015

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Pratiyush Mohan Srivastava

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#0 lore raw

PATCH 1/1 Enable console log from earlyconsole in Linux bootargs

Remove 115200 from "earlycon" to avoid loss of initial log messages during linux kernel 4.1 bootup

Signed-off-by Pratiyush Mohan Srivastava <[email protected]>
---
 include/configs/ls2080a_common.h | 2 +-
 include/configs/ls2080ardb.h     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
include/configs/ls2080a_common.h +1 -1
index 31f6441..c39e294 100644
@@ -263,7 +263,7 @@ unsigned long long get_qixis_addr(void);
 	"console=ttyAMA0,38400n8\0"
 
 #define CONFIG_BOOTARGS		"console=ttyS0,115200 root=/dev/ram0 " \
-				"earlycon=uart8250,mmio,0x21c0500,115200 " \
+				"earlycon=uart8250,mmio,0x21c0500" \
 				"ramdisk_size=0x2000000 default_hugepagesz=2m" \
 				" hugepagesz=2m hugepages=16"
 #define CONFIG_BOOTCOMMAND		"cp.b $kernel_start $kernel_load "     \
include/configs/ls2080ardb.h +1 -1
index 69bac8b..23d121a 100644
@@ -314,7 +314,7 @@ unsigned long get_board_sys_clk(void);
 
 #undef CONFIG_BOOTARGS
 #define CONFIG_BOOTARGS		"console=ttyS1,115200 root=/dev/ram0 " \
-				"earlycon=uart8250,mmio,0x21c0600,115200 " \
+				"earlycon=uart8250,mmio,0x21c0600" \
 				"ramdisk_size=0x2000000 default_hugepagesz=2m" \
 				" hugepagesz=2m hugepages=16"
Signature · 1 line
1.9.1
#1 lore raw

PATCH 1/1 Enable console log from earlyconsole in Linux bootargs

Quoted 28 lines · Pratiyush Mohan Srivastava

Remove 115200 from "earlycon" to avoid loss of initial log messages during linux kernel 4.1 bootup

Signed-off-by Pratiyush Mohan Srivastava <[email protected]>
---
 include/configs/ls2080a_common.h | 2 +-
 include/configs/ls2080ardb.h     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
include/configs/ls2080a_common.h +1 -1
index 31f6441..c39e294 100644
@@ -263,7 +263,7 @@ unsigned long long get_qixis_addr(void);
 	"console=ttyAMA0,38400n8\0"
 
 #define CONFIG_BOOTARGS		"console=ttyS0,115200 root=/dev/ram0 " \
-				"earlycon=uart8250,mmio,0x21c0500,115200 " \
+				"earlycon=uart8250,mmio,0x21c0500" \
 				"ramdisk_size=0x2000000 default_hugepagesz=2m" \
 				" hugepagesz=2m hugepages=16"
 #define CONFIG_BOOTCOMMAND		"cp.b $kernel_start $kernel_load "     \
include/configs/ls2080ardb.h +0 -0
index 69bac8b..23d121a 100644

include/configs/ls2080ardb.h unsigned long get_board_sys_clk(void); · line 320

Quoted 8 lines
include/configs/ls2080ardb.h +1 -1
@@ -314,7 +314,7 @@ unsigned long get_board_sys_clk(void);
 
 #undef CONFIG_BOOTARGS
 #define CONFIG_BOOTARGS		"console=ttyS1,115200 root=/dev/ram0 " \
-				"earlycon=uart8250,mmio,0x21c0600,115200 " \
+				"earlycon=uart8250,mmio,0x21c0600" \
 				"ramdisk_size=0x2000000 default_hugepagesz=2m" \
 				" hugepagesz=2m hugepages=16"

This has no negative effect on 4.0 and 3.x kernel, does it? I didn't notice the message difference for 4.0.4.

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