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_scm.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index 4e8fd4e..be7adc6 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -32,6 +32,8 @@ static u32 download_mode; #define QCOM_DOWNLOAD_MODE_MASK 0x30 #define QCOM_DOWNLOAD_FULLDUMP 0x1 +#define QCOM_DOWNLOAD_MINIDUMP 0x2 +#define QCOM_DOWNLOAD_BOTHDUMP (QCOM_DOWNLOAD_FULLDUMP | QCOM_DOWNLOAD_MINIDUMP) #define QCOM_DOWNLOAD_NODUMP 0x0 struct qcom_scm { @@ -1422,13 +1424,16 @@ static irqreturn_t qcom_scm_irq_handler(int irq, void *data) return IRQ_HANDLED; } - static int get_download_mode(char *buffer, const struct kernel_param *kp) { int len = 0; if (download_mode == QCOM_DOWNLOAD_FULLDUMP) len = sysfs_emit(buffer, "full\n"); + else if (download_mode == QCOM_DOWNLOAD_MINIDUMP) + len = sysfs_emit(buffer, "mini\n"); + else if (download_mode == QCOM_DOWNLOAD_BOTHDUMP) + len = sysfs_emit(buffer, "full,mini\n"); else if (download_mode == QCOM_DOWNLOAD_NODUMP) len = sysfs_emit(buffer, "off\n"); @@ -1439,8 +1444,12 @@ static int set_download_mode(const char *val, const struct kernel_param *kp) { u32 old = download_mode; - if (sysfs_streq(val, "full")) { + if (sysfs_streq(val, "full,mini") || sysfs_streq(val, "mini,full")) { + download_mode = QCOM_DOWNLOAD_BOTHDUMP; + } else if (sysfs_streq(val, "full")) { download_mode = QCOM_DOWNLOAD_FULLDUMP; + } else if (sysfs_streq(val, "mini")) { + download_mode = QCOM_DOWNLOAD_MINIDUMP; } else if (sysfs_streq(val, "off")) { download_mode = QCOM_DOWNLOAD_NODUMP; } else if (kstrtouint(val, 0, &download_mode) || @@ -1463,7 +1472,7 @@ 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 or 0/1 for existing users"); + "download mode: off/full/mini/full,mini or mini,full and 0/1 for existing users"); static int qcom_scm_probe(struct platform_device *pdev) { -- 2.7.4