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Message-ID: <CABXOdTdNas6ngk514LnLMGT8eZkZRT+dxYynQfsSWVhrJMkNhQ@mail.gmail.com>
Date: Tue, 7 Jun 2022 12:08:16 -0700
From: Guenter Roeck <groeck@...gle.com>
To: Tzung-Bi Shih <tzungbi@...nel.org>
Cc: bleung@...omium.org, groeck@...omium.org,
chrome-platform@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 13/15] platform/chrome: cros_ec_proto: don't show MKBP
version if unsupported
On Tue, Jun 7, 2022 at 7:57 AM Tzung-Bi Shih <tzungbi@...nel.org> wrote:
>
> It wrongly showed the following message when it doesn't support MKBP:
> "MKBP support version 4294967295".
>
> Fix it.
>
> Signed-off-by: Tzung-Bi Shih <tzungbi@...nel.org>
Reviewed-by: Guenter Roeck <groeck@...omium.org>
> ---
> No v1. New in the series.
>
> drivers/platform/chrome/cros_ec_proto.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c
> index de6bc457e496..ee15a73eee38 100644
> --- a/drivers/platform/chrome/cros_ec_proto.c
> +++ b/drivers/platform/chrome/cros_ec_proto.c
> @@ -506,13 +506,13 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev)
> ret = cros_ec_get_host_command_version_mask(ec_dev,
> EC_CMD_GET_NEXT_EVENT,
> &ver_mask);
> - if (ret < 0 || ver_mask == 0)
> + if (ret < 0 || ver_mask == 0) {
> ec_dev->mkbp_event_supported = 0;
> - else
> + } else {
> ec_dev->mkbp_event_supported = fls(ver_mask);
>
> - dev_dbg(ec_dev->dev, "MKBP support version %u\n",
> - ec_dev->mkbp_event_supported - 1);
> + dev_dbg(ec_dev->dev, "MKBP support version %u\n", ec_dev->mkbp_event_supported - 1);
> + }
>
> /* Probe if host sleep v1 is supported for S0ix failure detection. */
> ret = cros_ec_get_host_command_version_mask(ec_dev,
> --
> 2.36.1.255.ge46751e96f-goog
>
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