On Thu, 11 Feb 2016, Sudeep Holla wrote:
> Reduce the logging from info to debug. Also use print_hex_dump_bytes
> instead as it has support for dynamic printk providing options to
> conditionally enable/disable these logs.
Printing out the data in this way is kinda the point of the driver.
But if you don't have a use for it, then I guess it's okay to
downgrade it to DEBUG, as turning debug on, or hacking the driver back
again are trivial actions.
> Cc: Jassi Brar <jassisinghbrar@xxxxxxxxx>
> Cc: Lee Jones <lee.jones@xxxxxxxxxx>
> Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
> ---
> drivers/mailbox/mailbox-test.c | 18 ++++++++----------
> 1 file changed, 8 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c
> index 036a852b5fa1..f690f11969a1 100644
> --- a/drivers/mailbox/mailbox-test.c
> +++ b/drivers/mailbox/mailbox-test.c
> @@ -113,15 +113,15 @@ static ssize_t mbox_test_message_write(struct file *filp,
> * MMIO to subsequently pass the message through
> */
> if (tdev->mmio && tdev->signal) {
> - print_hex_dump(KERN_INFO, "Client: Sending: Signal: ", DUMP_PREFIX_ADDRESS,
> - MBOX_BYTES_PER_LINE, 1, tdev->signal, MBOX_MAX_SIG_LEN, true);
> + print_hex_dump_bytes("Client: Sending: Signal: ", DUMP_PREFIX_ADDRESS,
> + tdev->signal, MBOX_MAX_SIG_LEN);
>
> data = tdev->signal;
> } else
> data = tdev->message;
>
> - print_hex_dump(KERN_INFO, "Client: Sending: Message: ", DUMP_PREFIX_ADDRESS,
> - MBOX_BYTES_PER_LINE, 1, tdev->message, MBOX_MAX_MSG_LEN, true);
> + print_hex_dump_bytes("Client: Sending: Message: ", DUMP_PREFIX_ADDRESS,
> + tdev->message, MBOX_MAX_MSG_LEN);
>
> ret = mbox_send_message(tdev->tx_channel, data);
> if (ret < 0)
> @@ -222,13 +222,11 @@ static void mbox_test_receive_message(struct mbox_client *client, void *message)
> spin_lock_irqsave(&tdev->lock, flags);
> if (tdev->mmio) {
> memcpy_fromio(tdev->rx_buffer, tdev->mmio, MBOX_MAX_MSG_LEN);
> - print_hex_dump(KERN_INFO, "Client: Received [MMIO]: ",
> - DUMP_PREFIX_ADDRESS, MBOX_BYTES_PER_LINE, 1,
> - tdev->rx_buffer, MBOX_MAX_MSG_LEN, true);
> + print_hex_dump_bytes("Client: Received [MMIO]: ", DUMP_PREFIX_ADDRESS,
> + tdev->rx_buffer, MBOX_MAX_MSG_LEN);
> } else if (message) {
> - print_hex_dump(KERN_INFO, "Client: Received [API]: ",
> - DUMP_PREFIX_ADDRESS, MBOX_BYTES_PER_LINE, 1,
> - message, MBOX_MAX_MSG_LEN, true);
> + print_hex_dump_bytes("Client: Received [API]: ", DUMP_PREFIX_ADDRESS,
> + message, MBOX_MAX_MSG_LEN);
> memcpy(tdev->rx_buffer, message, MBOX_MAX_MSG_LEN);
> }
> spin_unlock_irqrestore(&tdev->lock, flags);
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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