Re: [PATCH RESEND] mailbox: pcc: Drop uninformative output during boot
From: Rafael J. Wysocki
Date: Thu Aug 10 2017 - 19:16:46 EST
On Tuesday, August 1, 2017 2:43:57 PM CEST Punit Agrawal wrote:
> When booting on an ACPI enabled system that does not provide the
> Platform Communications Channel Table (PCCT), the pcc mailbox driver
> prints -
>
> [ 0.484261] PCCT header not found.
>
> during probe before returning -ENODEV.
>
> This message clutters the bootlog and doesn't provide any useful
> information. Drop this message.
>
> Signed-off-by: Punit Agrawal <punit.agrawal@xxxxxxx>
> Cc: Jassi Brar <jassisinghbrar@xxxxxxxxx>
> Acked-by: Alexey Klimov <alexey.klimov@xxxxxxx>
> ---
>
> Hi Rafael,
>
> Re-sending the patch with linux-acpi on cc and tags applied as
> requested. If there are no objections please consider merging.
>
> Thanks,
> Punit
>
> drivers/mailbox/pcc.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/mailbox/pcc.c b/drivers/mailbox/pcc.c
> index ac91fd0d62c6..3d83cdc11ab5 100644
> --- a/drivers/mailbox/pcc.c
> +++ b/drivers/mailbox/pcc.c
> @@ -457,10 +457,8 @@ static int __init acpi_pcc_probe(void)
> /* Search for PCCT */
> status = acpi_get_table(ACPI_SIG_PCCT, 0, &pcct_tbl);
>
> - if (ACPI_FAILURE(status) || !pcct_tbl) {
> - pr_warn("PCCT header not found.\n");
> + if (ACPI_FAILURE(status) || !pcct_tbl)
> return -ENODEV;
> - }
>
> count = acpi_table_parse_entries(ACPI_SIG_PCCT,
> sizeof(struct acpi_table_pcct),
>
Applied, thanks!