lkml.org 
[lkml]   [2023]   [Feb]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 4/4] firmware: qcom_scm: Add multiple download mode support
Date
Currently, scm driver only supports full dump when download
mode is selected. Add support to enable minidump as well both
dump(full dump + minidump).

Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
---
drivers/firmware/qcom_scm.c | 5 ++++-
include/linux/qcom_scm.h | 2 ++
2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index 4975d3c..b7a2715 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -34,6 +34,8 @@ static int set_dload_mode(const char *val, const struct kernel_param *kp)

switch(download_mode) {
case QCOM_DOWNLOAD_FULLDUMP:
+ case QCOM_DOWNLOAD_MINIDUMP:
+ case QCOM_DOWNLOAD_BOTHDUMP:
if (__scm)
qcom_scm_set_download_mode(true);
break;
@@ -56,7 +58,8 @@ static const struct kernel_param_ops dload_mode_param_ops = {
};
module_param_cb(download_mode, &dload_mode_param_ops, &download_mode, 0644);
MODULE_PARM_DESC(download_mode,
- "Download mode: 0x0=no dump mode (default), 0x10=full dump mode");
+ "Download mode: 0x0=no dump mode (default), 0x10=full dump mode, "
+ "0x20=mini dump mode 0x30=both(full + mini)dump mode");

#define SCM_HAS_CORE_CLK BIT(0)
#define SCM_HAS_IFACE_CLK BIT(1)
diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h
index dd6aced..8304c73c 100644
--- a/include/linux/qcom_scm.h
+++ b/include/linux/qcom_scm.h
@@ -17,6 +17,8 @@
#define QCOM_DOWNLOAD_MODE_MASK 0x30
#define QCOM_DOWNLOAD_NODUMP 0x0
#define QCOM_DOWNLOAD_FULLDUMP 0x10
+#define QCOM_DOWNLOAD_MINIDUMP 0x20
+#define QCOM_DOWNLOAD_BOTHDUMP (QCOM_DOWNLOAD_FULLDUMP | QCOM_DOWNLOAD_MINIDUMP)

struct qcom_scm_hdcp_req {
u32 addr;
--
2.7.4
\
 
 \ /
  Last update: 2023-03-27 00:30    [W:0.055 / U:0.288 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site