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

Mukesh Ojha
2023-09-11T21:30:45Z

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@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 4ecdb0d025a4..c70ab9afd3cb 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