[PATCH v5 17/17] firmware: qcom_scm: Add multiple download mode support

Mukesh Ojha quic_mojha at quicinc.com
Sat Sep 9 13:16:18 PDT 2023


Currently, scm driver only supports full dump when download
mode is selected. Add support to enable minidump as well as
enable it along with fulldump.

Signed-off-by: Mukesh Ojha <quic_mojha at quicinc.com>
---
 drivers/firmware/qcom_scm.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index 689bf882cb69..9faf0431d47a 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -34,6 +34,8 @@ static u32 download_mode;
 
 #define QCOM_DLOAD_MASK		GENMASK(5, 4)
 #define QCOM_DLOAD_FULLDUMP	0x1
+#define QCOM_DLOAD_MINIDUMP	0x2
+#define QCOM_DLOAD_BOTHDUMP	(QCOM_DLOAD_FULLDUMP | QCOM_DLOAD_MINIDUMP)
 #define QCOM_DLOAD_NODUMP	0x0
 
 struct qcom_scm {
@@ -86,6 +88,8 @@ static const char * const qcom_scm_convention_names[] = {
 static const char * const download_mode_name[] = {
 	[QCOM_DLOAD_NODUMP]	= "off",
 	[QCOM_DLOAD_FULLDUMP]	= "full",
+	[QCOM_DLOAD_MINIDUMP]	= "mini",
+	[QCOM_DLOAD_BOTHDUMP]	= "full,mini",
 };
 
 static struct qcom_scm *__scm;
@@ -1470,7 +1474,7 @@ static const struct kernel_param_ops download_mode_param_ops = {
 
 module_param_cb(download_mode, &download_mode_param_ops, NULL, 0644);
 MODULE_PARM_DESC(download_mode,
-		"download mode: off/full are acceptable values");
+		"download mode: off/full/mini/full,mini are acceptable values");
 
 static int qcom_scm_probe(struct platform_device *pdev)
 {
-- 
2.7.4




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