From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/drivers/mailbox/ti-msgmgr.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/kernel/drivers/mailbox/ti-msgmgr.c b/kernel/drivers/mailbox/ti-msgmgr.c
index 0130628..535fe73 100644
--- a/kernel/drivers/mailbox/ti-msgmgr.c
+++ b/kernel/drivers/mailbox/ti-msgmgr.c
@@ -385,14 +385,20 @@
/* Ensure all unused data is 0 */
data_trail &= 0xFFFFFFFF >> (8 * (sizeof(u32) - trail_bytes));
writel(data_trail, data_reg);
- data_reg++;
+ data_reg += sizeof(u32);
}
+
/*
* 'data_reg' indicates next register to write. If we did not already
* write on tx complete reg(last reg), we must do so for transmit
+ * In addition, we also need to make sure all intermediate data
+ * registers(if any required), are reset to 0 for TISCI backward
+ * compatibility to be maintained.
*/
- if (data_reg <= qinst->queue_buff_end)
- writel(0, qinst->queue_buff_end);
+ while (data_reg <= qinst->queue_buff_end) {
+ writel(0, data_reg);
+ data_reg += sizeof(u32);
+ }
return 0;
}
--
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