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authorZong Li <zongbox@gmail.com>2018-10-17 21:15:51 +0800
committerGreentime Hu <greentime@andestech.com>2018-11-06 18:01:38 +0800
commit2e95c4d672ce6c931951c87b5dbfa4106fd3cae6 (patch)
tree5c0d96b653b532684a3c6e52ae483073f78d23ed
parentLinux 4.20-rc1 (diff)
downloadlinux-dev-2e95c4d672ce6c931951c87b5dbfa4106fd3cae6.tar.xz
linux-dev-2e95c4d672ce6c931951c87b5dbfa4106fd3cae6.zip
nds32: Remove the redundant assignment
For early version, the value of r2 register was used to display a character on UART when error occurred. Remove these r2 assignments because we no longer show the character. Signed-off-by: Zong Li <zong@andestech.com> Signed-off-by: Greentime Hu <greentime@andestech.com>
-rw-r--r--arch/nds32/kernel/head.S2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/nds32/kernel/head.S b/arch/nds32/kernel/head.S
index c5fdae174ced..1ce653d35d93 100644
--- a/arch/nds32/kernel/head.S
+++ b/arch/nds32/kernel/head.S
@@ -130,14 +130,12 @@ _image_size_check:
*
* direct mapping is not supported now.
*/
- li $r2, 't'
beqz $r6, __error ! MMU_CFG.TBW = 0 is direct mappin
addi $r0, $r0, #0x2 ! MMU_CFG.TBS value -> meaning
sll $r0, $r6, $r0 ! entries = k-way * n-set
mul $r6, $r0, $r5 ! max size = entries * page size
/* check kernel image size */
la $r3, (_end - PAGE_OFFSET)
- li $r2, 's'
bgt $r3, $r6, __error
li $r2, #(PHYS_OFFSET + TLB_DATA_kernel_text_attr)