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authorBin Meng <bmeng.cn@gmail.com>2019-03-14 11:12:44 +0300
committerAnup Patel <anup@brainfault.org>2019-03-18 15:48:16 +0300
commite921fc26911bd27cf715483b60c22920812aab21 (patch)
tree87b66c90e5c3992f1ad2c7c121f8e4b6686f3105
parent6c39ea99ee681de9e33004aa0075771be351a8cb (diff)
downloadopensbi-e921fc26911bd27cf715483b60c22920812aab21.tar.xz
platform: plic: Fix comments of programming the interrupt enable register
The codes that currently program the interrupt enable register for S-mode disagrees with what the comments say. Fix the comments. While we are here, add one line comment to describe what is done for M-mode too. Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
-rw-r--r--platform/common/irqchip/plic.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/platform/common/irqchip/plic.c b/platform/common/irqchip/plic.c
index 51e1926..a9ff560 100644
--- a/platform/common/irqchip/plic.c
+++ b/platform/common/irqchip/plic.c
@@ -86,12 +86,13 @@ int plic_warm_irqchip_init(u32 target_hart,
if (plic_hart_count <= target_hart)
return -1;
+ /* By default, disable all IRQs for M-mode of target HART */
if (m_cntx_id > -1) {
for (i = 0; i < ie_words; i++)
plic_set_ie(m_cntx_id, i, 0);
}
- /* By default, enable all IRQs for S-mode of target HART */
+ /* By default, disable all IRQs for S-mode of target HART */
if (s_cntx_id > -1) {
for (i = 0; i < ie_words; i++)
plic_set_ie(s_cntx_id, i, 0);