From 66ed4cac669cae8870b13511492ff1d41f49179a Mon Sep 17 00:00:00 2001 From: Punit Agrawal Date: Tue, 1 Aug 2017 13:43:57 +0100 Subject: [PATCH] mailbox: pcc: Drop uninformative output during boot 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 Acked-by: Alexey Klimov Signed-off-by: Rafael J. Wysocki --- 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 cbca5e51b975..9b7005e1345e 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), -- 2.20.1