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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Mar 25, 2024 at 08:46:18PM +0000, Cristian Marussi wrote: > Trace also late-timed-out, out-of-order and unexpected/spurious messages. > > Signed-off-by: Cristian Marussi > --- > drivers/firmware/arm_scmi/driver.c | 10 ++++++++++ > drivers/firmware/arm_scmi/mailbox.c | 4 +++- > 2 files changed, 13 insertions(+), 1 deletion(-) > > diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c > index 7fc1c5b1a2a4..207ed1a52d69 100644 > --- a/drivers/firmware/arm_scmi/driver.c > +++ b/drivers/firmware/arm_scmi/driver.c > @@ -861,6 +861,9 @@ scmi_xfer_command_acquire(struct scmi_chan_info *cinfo, u32 msg_hdr) > "Message for %d type %d is not expected!\n", > xfer_id, msg_type); > spin_unlock_irqrestore(&minfo->xfer_lock, flags); > + > + scmi_bad_message_trace(cinfo, msg_hdr, MSG_UNEXPECTED); > + > return xfer; > } > refcount_inc(&xfer->users); > @@ -885,6 +888,9 @@ scmi_xfer_command_acquire(struct scmi_chan_info *cinfo, u32 msg_hdr) > dev_err(cinfo->dev, > "Invalid message type:%d for %d - HDR:0x%X state:%d\n", > msg_type, xfer_id, msg_hdr, xfer->state); > + > + scmi_bad_message_trace(cinfo, msg_hdr, MSG_INVALID); > + > /* On error the refcount incremented above has to be dropped */ > __scmi_xfer_put(minfo, xfer); > xfer = ERR_PTR(-EINVAL); > @@ -921,6 +927,9 @@ static void scmi_handle_notification(struct scmi_chan_info *cinfo, > if (IS_ERR(xfer)) { > dev_err(dev, "failed to get free message slot (%ld)\n", > PTR_ERR(xfer)); > + > + scmi_bad_message_trace(cinfo, msg_hdr, MSG_NOMEM); > + > scmi_clear_channel(info, cinfo); > return; > } > @@ -1040,6 +1049,7 @@ void scmi_rx_callback(struct scmi_chan_info *cinfo, u32 msg_hdr, void *priv) > break; > default: > WARN_ONCE(1, "received unknown msg_type:%d\n", msg_type); > + scmi_bad_message_trace(cinfo, msg_hdr, MSG_UNKNOWN); > break; > } > } > diff --git a/drivers/firmware/arm_scmi/mailbox.c b/drivers/firmware/arm_scmi/mailbox.c > index b8d470417e8f..fb0824af7180 100644 > --- a/drivers/firmware/arm_scmi/mailbox.c > +++ b/drivers/firmware/arm_scmi/mailbox.c > @@ -56,7 +56,9 @@ static void rx_callback(struct mbox_client *cl, void *m) > */ > if (cl->knows_txdone && !shmem_channel_free(smbox->shmem)) { > dev_warn(smbox->cinfo->dev, "Ignoring spurious A2P IRQ !\n"); > - return; > + return scmi_bad_message_trace(smbox->cinfo, > + shmem_read_header(smbox->shmem), > + MSG_MBOX_SPURIOUS); >From previous patch, IIUC scmi_bad_message_trace is a void func and doesn't return anything. Did you not get any build error/warning for this ? -- Regards, Sudeep _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel