From ac80652342dafa5356cd25959f1c45d003ba9dcf Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 6 Nov 2018 15:21:19 -0700 Subject: [PATCH] cros_ec: Add error logging on a few commands Add some more logging to provide more information on failures. Signed-off-by: Simon Glass --- drivers/misc/cros_ec.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/misc/cros_ec.c b/drivers/misc/cros_ec.c index 4013f50d59..e0f3dfc98e 100644 --- a/drivers/misc/cros_ec.c +++ b/drivers/misc/cros_ec.c @@ -13,6 +13,8 @@ * is not reset. */ +#define LOG_CATEGORY UCLASS_CROS_EC + #include #include #include @@ -365,10 +367,14 @@ int cros_ec_scan_keyboard(struct udevice *dev, struct mbkp_keyscan *scan) int cros_ec_read_id(struct udevice *dev, char *id, int maxlen) { struct ec_response_get_version *r; + int ret; - if (ec_command_inptr(dev, EC_CMD_GET_VERSION, 0, NULL, 0, - (uint8_t **)&r, sizeof(*r)) != sizeof(*r)) + ret = ec_command_inptr(dev, EC_CMD_GET_VERSION, 0, NULL, 0, + (uint8_t **)&r, sizeof(*r)); + if (ret != sizeof(*r)) { + log_err("Got rc %d, expected %d\n", ret, sizeof(*r)); return -1; + } if (maxlen > (int)sizeof(r->version_string_ro)) maxlen = sizeof(r->version_string_ro); @@ -381,6 +387,7 @@ int cros_ec_read_id(struct udevice *dev, char *id, int maxlen) memcpy(id, r->version_string_rw, maxlen); break; default: + log_err("Invalid EC image %d\n", r->current_image); return -1; } -- 2.39.5