From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C21EA1F666C; Tue, 21 Jan 2025 18:09:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737482985; cv=none; b=f9LZGEQp5pLLSdMdgZeddKr7YBb7Nig9WHfYCRVeDJHfdxtlcvW5GeUKN6s4U+U3+oRURBYugA/Ivc3jmamLhmVQcJI1RXPCSY+CfSfmhM1m0koMzGnzin0lytGvEQoJ3bN43kpJZfEmonaMsLECMOEi2nRj5FdXu/ZSoU7AnvY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737482985; c=relaxed/simple; bh=XzVTT46amEJkyj5zYaocMDNYwdnhXT1ssF2akmjEouc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GfKfmd3PAFg3eLvn3PjSlVSO2FoQSvbzwBJJqCRln1IiyGT8yPLukuMhMdNeyH3BqljISOhHKoHPwJiuKx4e+bXeu5o1I1VuBfa12ZayLD8OvtpxzG3V4NjJgyvEkWQ8C23AGZDoevMPk1GG20bVgDU/VpvInIUoulwGc5wgrCY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=MBVNxAXF; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="MBVNxAXF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 107B5C4CEDF; Tue, 21 Jan 2025 18:09:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1737482985; bh=XzVTT46amEJkyj5zYaocMDNYwdnhXT1ssF2akmjEouc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MBVNxAXFHM9+MwlTD6n4QDsv13SClsfT/TVJtDO/T057lLYIMtWVmBL0SLygPuFjs hWVv68ekhNAYNGygyucjOg7bj0kcWNvxWsQFHEMraqEmsO/CMwxte0cOTsoqo7fBt3 ehA7yVpzkSBzwwkR+eanASMztz/7YvmPWcUygue4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Herve Codina , Rob Herring , Sasha Levin Subject: [PATCH 5.15 069/127] of: address: Store number of bus flag cells rather than bool Date: Tue, 21 Jan 2025 18:52:21 +0100 Message-ID: <20250121174532.329825444@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250121174529.674452028@linuxfoundation.org> References: <20250121174529.674452028@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Rob Herring [ Upstream commit 88696db08b7efa3b6bb722014ea7429e78f6be32 ] It is more useful to know how many flags cells a bus has rather than whether a bus has flags or not as ultimately the number of cells is the information used. Replace 'has_flags' boolean with 'flag_cells' count. Acked-by: Herve Codina Link: https://lore.kernel.org/r/20231026135358.3564307-2-robh@kernel.org Signed-off-by: Rob Herring Stable-dep-of: 7f05e20b989a ("of: address: Preserve the flags portion on 1:1 dma-ranges mapping") Signed-off-by: Sasha Levin --- drivers/of/address.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/drivers/of/address.c b/drivers/of/address.c index b8e015af59df..123a75a19bc1 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -50,7 +50,7 @@ struct of_bus { u64 (*map)(__be32 *addr, const __be32 *range, int na, int ns, int pna); int (*translate)(__be32 *addr, u64 offset, int na); - bool has_flags; + int flag_cells; unsigned int (*get_flags)(const __be32 *addr); }; @@ -361,7 +361,7 @@ static struct of_bus of_busses[] = { .count_cells = of_bus_pci_count_cells, .map = of_bus_pci_map, .translate = of_bus_default_flags_translate, - .has_flags = true, + .flag_cells = 1, .get_flags = of_bus_pci_get_flags, }, #endif /* CONFIG_PCI */ @@ -373,7 +373,7 @@ static struct of_bus of_busses[] = { .count_cells = of_bus_isa_count_cells, .map = of_bus_isa_map, .translate = of_bus_default_flags_translate, - .has_flags = true, + .flag_cells = 1, .get_flags = of_bus_isa_get_flags, }, /* Default with flags cell */ @@ -384,7 +384,7 @@ static struct of_bus of_busses[] = { .count_cells = of_bus_default_count_cells, .map = of_bus_default_flags_map, .translate = of_bus_default_flags_translate, - .has_flags = true, + .flag_cells = 1, .get_flags = of_bus_default_flags_get_flags, }, /* Default */ @@ -751,7 +751,7 @@ struct of_pci_range *of_pci_range_parser_one(struct of_pci_range_parser *parser, int na = parser->na; int ns = parser->ns; int np = parser->pna + na + ns; - int busflag_na = 0; + int busflag_na = parser->bus->flag_cells; if (!range) return NULL; @@ -761,10 +761,6 @@ struct of_pci_range *of_pci_range_parser_one(struct of_pci_range_parser *parser, range->flags = parser->bus->get_flags(parser->range); - /* A extra cell for resource flags */ - if (parser->bus->has_flags) - busflag_na = 1; - range->bus_addr = of_read_number(parser->range + busflag_na, na - busflag_na); if (parser->dma) -- 2.39.5