lkml.org 
[lkml]   [2020]   [Feb]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3/3] soc: qcom: rpmh: Invalidate sleep and wake TCS before flushing new data
Date
TCSes have previously programmed data when rpmh_flush is called.
This can cause old data to trigger along with newly flushed.

Fix this by cleaning sleep and wake TCSes before new data is flushed.

Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
---
drivers/soc/qcom/rpmh.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/soc/qcom/rpmh.c b/drivers/soc/qcom/rpmh.c
index 04c7805..5ae1b91 100644
--- a/drivers/soc/qcom/rpmh.c
+++ b/drivers/soc/qcom/rpmh.c
@@ -475,6 +475,10 @@ int rpmh_flush(const struct device *dev)
return 0;
}

+ do {
+ ret = rpmh_rsc_invalidate(ctrlr_to_drv(ctrlr));
+ } while (ret == -EAGAIN);
+
/* First flush the cached batch requests */
ret = flush_batch(ctrlr);
if (ret)
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
\
 
 \ /
  Last update: 2020-02-04 07:15    [W:0.111 / U:1.576 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site