Message ID | 20220615051248.1628156-5-tzungbi@kernel.org (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | platform/chrome: Kunit tests and refactor for cros_ec_cmd_xfer() | expand |
On Tue, Jun 14, 2022 at 10:13 PM Tzung-Bi Shih <tzungbi@kernel.org> wrote: > > cros_ec_send_command() has extra logic to handle EC_RES_IN_PROGRESS. > Separate the command transfer part into cros_ec_xfer_command() so > that other functions can re-use it. > > Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org> Reviewed-by: Guenter Roeck <groeck@chromium.org> > --- > drivers/platform/chrome/cros_ec_proto.c | 13 ++++++++++--- > 1 file changed, 10 insertions(+), 3 deletions(-) > > diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c > index b02fd1414e52..0cec013be3d3 100644 > --- a/drivers/platform/chrome/cros_ec_proto.c > +++ b/drivers/platform/chrome/cros_ec_proto.c > @@ -107,7 +107,7 @@ static int prepare_tx_legacy(struct cros_ec_device *ec_dev, > return EC_MSG_TX_PROTO_BYTES + msg->outsize; > } > > -static int cros_ec_send_command(struct cros_ec_device *ec_dev, struct cros_ec_command *msg) > +static int cros_ec_xfer_command(struct cros_ec_device *ec_dev, struct cros_ec_command *msg) > { > int ret; > int (*xfer_fxn)(struct cros_ec_device *ec, struct cros_ec_command *msg); > @@ -123,14 +123,21 @@ static int cros_ec_send_command(struct cros_ec_device *ec_dev, struct cros_ec_co > * the EC is trying to use protocol v2, on an underlying > * communication mechanism that does not support v2. > */ > - dev_err_once(ec_dev->dev, > - "missing EC transfer API, cannot send command\n"); > + dev_err_once(ec_dev->dev, "missing EC transfer API, cannot send command\n"); > return -EIO; > } > > trace_cros_ec_request_start(msg); > ret = (*xfer_fxn)(ec_dev, msg); > trace_cros_ec_request_done(msg, ret); > + > + return ret; > +} > + > +static int cros_ec_send_command(struct cros_ec_device *ec_dev, struct cros_ec_command *msg) > +{ > + int ret = cros_ec_xfer_command(ec_dev, msg); > + > if (msg->result == EC_RES_IN_PROGRESS) { > int i; > struct cros_ec_command *status_msg; > -- > 2.36.1.476.g0c4daa206d-goog >
diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index b02fd1414e52..0cec013be3d3 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -107,7 +107,7 @@ static int prepare_tx_legacy(struct cros_ec_device *ec_dev, return EC_MSG_TX_PROTO_BYTES + msg->outsize; } -static int cros_ec_send_command(struct cros_ec_device *ec_dev, struct cros_ec_command *msg) +static int cros_ec_xfer_command(struct cros_ec_device *ec_dev, struct cros_ec_command *msg) { int ret; int (*xfer_fxn)(struct cros_ec_device *ec, struct cros_ec_command *msg); @@ -123,14 +123,21 @@ static int cros_ec_send_command(struct cros_ec_device *ec_dev, struct cros_ec_co * the EC is trying to use protocol v2, on an underlying * communication mechanism that does not support v2. */ - dev_err_once(ec_dev->dev, - "missing EC transfer API, cannot send command\n"); + dev_err_once(ec_dev->dev, "missing EC transfer API, cannot send command\n"); return -EIO; } trace_cros_ec_request_start(msg); ret = (*xfer_fxn)(ec_dev, msg); trace_cros_ec_request_done(msg, ret); + + return ret; +} + +static int cros_ec_send_command(struct cros_ec_device *ec_dev, struct cros_ec_command *msg) +{ + int ret = cros_ec_xfer_command(ec_dev, msg); + if (msg->result == EC_RES_IN_PROGRESS) { int i; struct cros_ec_command *status_msg;
cros_ec_send_command() has extra logic to handle EC_RES_IN_PROGRESS. Separate the command transfer part into cros_ec_xfer_command() so that other functions can re-use it. Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org> --- drivers/platform/chrome/cros_ec_proto.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)