From patchwork Wed Jan 4 18:30:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre Gondois X-Patchwork-Id: 13088834 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 917C7C4332F for ; Wed, 4 Jan 2023 18:33:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Zxc0N6R2rwN7r1ZYic08FaMGqU1Y3Io4cxantB8h3QA=; b=PKZqNIvTHYEXTM 1yhW/aQse8SHOkV7CIE+hJVhtyMMsWCMOvBM0ZVpQuV9RPoUhMcQSnYaKPS7f4/sGrOeROWSBRfql a9k1hJlHu13PcfqFuIgRe2Kf6jibR97R7z+ndYIuwQCgJggm5VvsON12Cgb+g/vXBFDsIzLY1HCXT w25+jYSXmMIdzbsncPWpe0jKk3fdQt+OU4Jf2uyjCDswdvA9PMh5YSyWr5nutrtVjfUbIZIDOYDY+ mmm37rM1Gk6cN7vJ6B/H5ksFcr/O0H859H4SruuGGSTa8FLWZT81GbWh9jFTio6JuPlo+dnJ+bZYv iJYmK7CXc6nnvyM9FpXA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pD8Z4-00Ay5B-1L; Wed, 04 Jan 2023 18:32:38 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pD8YG-00AxZI-4M; Wed, 04 Jan 2023 18:31:49 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 5D2281063; Wed, 4 Jan 2023 10:32:28 -0800 (PST) Received: from pierre123.arm.com (unknown [10.57.44.105]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 9E47F3F663; Wed, 4 Jan 2023 10:31:42 -0800 (PST) From: Pierre Gondois To: linux-kernel@vger.kernel.org Cc: Pierre Gondois , Sudeep Holla , Jeremy Linton , "Rafael J . Wysocki" , Palmer Dabbelt , Catalin Marinas , Will Deacon , Paul Walmsley , Palmer Dabbelt , Albert Ou , "Rafael J. Wysocki" , Len Brown , Greg Kroah-Hartman , Conor Dooley , Gavin Shan , linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linux-acpi@vger.kernel.org Subject: [PATCH v4 4/6] ACPI: PPTT: Remove acpi_find_cache_levels() Date: Wed, 4 Jan 2023 19:30:27 +0100 Message-Id: <20230104183033.755668-5-pierre.gondois@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230104183033.755668-1-pierre.gondois@arm.com> References: <20230104183033.755668-1-pierre.gondois@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230104_103148_247462_48B499EE X-CRM114-Status: GOOD ( 11.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org acpi_find_cache_levels() is used at a single place and is short enough to be merged into the calling function. The removal allows an easier renaming of the calling function in the next patch. Also reorder the local variables in the 'reversed Christmas tree' order. Signed-off-by: Pierre Gondois Reviewed-by: Sudeep Holla Reviewed-by: Jeremy Linton Acked-by: Rafael J. Wysocki Acked-by: Palmer Dabbelt --- drivers/acpi/pptt.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-) diff --git a/drivers/acpi/pptt.c b/drivers/acpi/pptt.c index c91342dcbcd6..97c1d33822d1 100644 --- a/drivers/acpi/pptt.c +++ b/drivers/acpi/pptt.c @@ -281,19 +281,6 @@ static struct acpi_pptt_processor *acpi_find_processor_node(struct acpi_table_he return NULL; } -static int acpi_find_cache_levels(struct acpi_table_header *table_hdr, - u32 acpi_cpu_id) -{ - int number_of_levels = 0; - struct acpi_pptt_processor *cpu; - - cpu = acpi_find_processor_node(table_hdr, acpi_cpu_id); - if (cpu) - number_of_levels = acpi_count_levels(table_hdr, cpu); - - return number_of_levels; -} - static u8 acpi_cache_type(enum cache_type type) { switch (type) { @@ -613,9 +600,10 @@ static int check_acpi_cpu_flag(unsigned int cpu, int rev, u32 flag) */ int acpi_find_last_cache_level(unsigned int cpu) { - u32 acpi_cpu_id; + struct acpi_pptt_processor *cpu_node; struct acpi_table_header *table; int number_of_levels = 0; + u32 acpi_cpu_id; table = acpi_get_pptt(); if (!table) @@ -624,7 +612,10 @@ int acpi_find_last_cache_level(unsigned int cpu) pr_debug("Cache Setup find last level CPU=%d\n", cpu); acpi_cpu_id = get_acpi_id_for_cpu(cpu); - number_of_levels = acpi_find_cache_levels(table, acpi_cpu_id); + cpu_node = acpi_find_processor_node(table, acpi_cpu_id); + if (cpu_node) + number_of_levels = acpi_count_levels(table, cpu_node); + pr_debug("Cache Setup find last level level=%d\n", number_of_levels); return number_of_levels;