[PATCH v7 12/12] firmware/qcom: qcom_scm: Add multiple download mode support

From: Mukesh Ojha
Date: Tue Jan 09 2024 - 10:53:14 EST


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@xxxxxxxxxxx>
---
drivers/firmware/qcom/qcom_scm.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
index 1f819f6e14b3..6bf1d4b8c837 100644
--- a/drivers/firmware/qcom/qcom_scm.c
+++ b/drivers/firmware/qcom/qcom_scm.c
@@ -120,6 +120,8 @@ static const u8 qcom_scm_cpu_warm_bits[QCOM_SCM_BOOT_MAX_CPUS] = {
enum qcom_dload_mode {
QCOM_DLOAD_NODUMP = 0,
QCOM_DLOAD_FULLDUMP = 1,
+ QCOM_DLOAD_MINIDUMP = 2,
+ QCOM_DLOAD_BOTHDUMP = 3,
};

static const char * const qcom_scm_convention_names[] = {
@@ -132,6 +134,8 @@ 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;
@@ -1880,7 +1884,7 @@ 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)
{
--
2.43.0.254.ga26002b62827