[PATCH v5 17/17] firmware: qcom_scm: Add multiple download mode support
From: Mukesh Ojha <hidden>
Date: 2023-09-09 20:21:55
Also in:
linux-arm-kernel, linux-arm-msm, linux-gpio, linux-hardening, linux-mediatek, linux-remoteproc, linux-samsung-soc, lkml
Subsystem:
arm/qualcomm mailing list, the rest · Maintainer:
Linus Torvalds
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 <redacted> --- 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