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cros_ec: Add error logging on a few commands

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Add some more logging to provide more information on failures.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2018-11-06 15:21:19 -07:00
parent 9fea76f5d3
commit ac80652342
1 changed files with 9 additions and 2 deletions
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11
drivers/misc/cros_ec.c
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@ -13,6 +13,8 @@
* is not reset.
*/
#define LOG_CATEGORY UCLASS_CROS_EC
#include <common.h>
#include <command.h>
#include <dm.h>
@ -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;
}