[PATCH v8 2/2] firmware: qcom_scm: Add multiple download mode support

[Mukesh Ojha]

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>
---
Changes in v8:
 - Rebased it.

 drivers/firmware/qcom/qcom_scm.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
index 55955f675cd0..cc2de2a728b5 100644
--- a/drivers/firmware/qcom/qcom_scm.c
+++ b/drivers/firmware/qcom/qcom_scm.c
@@ -126,6 +126,8 @@ static const u8 qcom_scm_cpu_warm_bits[QCOM_SCM_BOOT_MAX_CPUS] = {
 #define QCOM_DLOAD_MASK		GENMASK(5, 4)
 #define QCOM_DLOAD_NODUMP	0
 #define QCOM_DLOAD_FULLDUMP	1
+#define QCOM_DLOAD_MINIDUMP	2
+#define QCOM_DLOAD_BOTHDUMP	3
 
 static const char * const qcom_scm_convention_names[] = {
 	[SMC_CONVENTION_UNKNOWN] = "unknown",
@@ -137,6 +139,8 @@ 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;
@@ -1927,8 +1931,7 @@ 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/0/N for no dump mode, full/on/1/Y for full dump mode");
+MODULE_PARM_DESC(download_mode, "download mode: off/0/N for no dump mode, full/on/1/Y for full dump mode, mini for minidump mode and full,mini for both full and minidump mode together are acceptable values");
 
 static int qcom_scm_probe(struct platform_device *pdev)
 {
-- 
2.34.1