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Message-Id: <20210412174718.17382-1-michael@walle.cc>
Date: Mon, 12 Apr 2021 19:47:16 +0200
From: Michael Walle <michael@...le.cc>
To: ath9k-devel@....qualcomm.com, UNGLinuxDriver@...rochip.com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, netdev@...r.kernel.org,
linux-mediatek@...ts.infradead.org,
linux-renesas-soc@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com,
linux-amlogic@...ts.infradead.org, linux-oxnas@...ups.io,
linux-omap@...r.kernel.org, linux-wireless@...r.kernel.org,
devicetree@...r.kernel.org, linux-staging@...ts.linux.dev
Cc: Andrew Lunn <andrew@...n.ch>,
Gregory Clement <gregory.clement@...tlin.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
Russell King <linux@...linux.org.uk>,
Michael Ellerman <mpe@...erman.id.au>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Andreas Larsson <andreas@...sler.com>,
"David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Maxime Ripard <mripard@...nel.org>,
Chen-Yu Tsai <wens@...e.org>,
Jernej Skrabec <jernej.skrabec@...l.net>,
Joyce Ooi <joyce.ooi@...el.com>,
Chris Snook <chris.snook@...il.com>,
Rafał Miłecki <rafal@...ecki.pl>,
bcm-kernel-feedback-list@...adcom.com,
Florian Fainelli <f.fainelli@...il.com>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Claudiu Beznea <claudiu.beznea@...rochip.com>,
Sunil Goutham <sgoutham@...vell.com>,
Fugang Duan <fugang.duan@....com>,
Madalin Bucur <madalin.bucur@....com>,
Pantelis Antoniou <pantelis.antoniou@...il.com>,
Claudiu Manoil <claudiu.manoil@....com>,
Li Yang <leoyang.li@....com>,
Yisen Zhuang <yisen.zhuang@...wei.com>,
Salil Mehta <salil.mehta@...wei.com>,
Hauke Mehrtens <hauke@...ke-m.de>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Vadym Kochan <vkochan@...vell.com>,
Taras Chornyi <tchornyi@...vell.com>,
Mirko Lindner <mlindner@...vell.com>,
Stephen Hemminger <stephen@...workplumber.org>,
Felix Fietkau <nbd@....name>, John Crispin <john@...ozen.org>,
Sean Wang <sean.wang@...iatek.com>,
Mark Lee <Mark-MC.Lee@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Bryan Whitehead <bryan.whitehead@...rochip.com>,
Vladimir Zapolskiy <vz@...ia.com>,
Sergei Shtylyov <sergei.shtylyov@...il.com>,
Byungho An <bh74.an@...sung.com>,
Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
Giuseppe Cavallaro <peppe.cavallaro@...com>,
Alexandre Torgue <alexandre.torgue@...com>,
Jose Abreu <joabreu@...opsys.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Kevin Hilman <khilman@...libre.com>,
Neil Armstrong <narmstrong@...libre.com>,
Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
Vinod Koul <vkoul@...nel.org>,
Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
Grygorii Strashko <grygorii.strashko@...com>,
Wingman Kwok <w-kwok2@...com>,
Murali Karicheri <m-karicheri2@...com>,
Michal Simek <michal.simek@...inx.com>,
Radhey Shyam Pandey <radhey.shyam.pandey@...inx.com>,
Kalle Valo <kvalo@...eaurora.org>,
Lorenzo Bianconi <lorenzo.bianconi83@...il.com>,
Ryder Lee <ryder.lee@...iatek.com>,
Stanislaw Gruszka <stf_xl@...pl>,
Helmut Schaa <helmut.schaa@...glemail.com>,
Heiner Kallweit <hkallweit1@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Frank Rowand <frowand.list@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jérôme Pouiller
<jerome.pouiller@...abs.com>,
Vivien Didelot <vivien.didelot@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
Michael Walle <michael@...le.cc>
Subject: [PATCH net-next v4 0/2] of: net: support non-platform devices in of_get_mac_address()
of_get_mac_address() is commonly used to fetch the MAC address
from the device tree. It also supports reading it from a NVMEM
provider. But the latter is only possible for platform devices,
because only platform devices are searched for a matching device
node.
Add a second method to fetch the NVMEM cell by a device tree node
instead of a "struct device".
Moreover, the NVMEM subsystem will return dynamically allocated
data which has to be freed after use. Currently, this is handled
by allocating a device resource manged buffer to store the MAC
address. of_get_mac_address() then returns a pointer to this
buffer. Without a device, this trick is not possible anymore.
Thus, change the of_get_mac_address() API to have the caller
supply a buffer.
It was considered to use the network device to attach the buffer
to, but then the order matters and netdev_register() has to be
called before of_get_mac_address(). No driver does it this way.
changes since v3:
- use memcpy() instead of ether_addr_copy() where appropriate.
Sometimes the destination is on the stack, thus the 2 byte
alignment requrement is not met.
- fix "return PTR_ERR(mac_addr)" as found by Dan Carpenter
- changed subject of patch 2/2, as suggested by Florian Fainelli
changes since v2:
- fixed of_get_mac_addr_nvmem() signature, which was accidentially
fixed in patch 2/2 again
changes since v1:
- fixed stmmac_probe_config_dt() for !CONFIG_OF
- added missing queue in patch subject
Michael Walle (2):
of: net: pass the dst buffer to of_get_mac_address()
of: net: fix of_get_mac_addr_nvmem() for non-platform devices
arch/arm/mach-mvebu/kirkwood.c | 3 +-
arch/powerpc/sysdev/tsi108_dev.c | 5 +-
drivers/net/ethernet/aeroflex/greth.c | 6 +-
drivers/net/ethernet/allwinner/sun4i-emac.c | 10 +--
drivers/net/ethernet/altera/altera_tse_main.c | 7 +-
drivers/net/ethernet/arc/emac_main.c | 8 +-
drivers/net/ethernet/atheros/ag71xx.c | 7 +-
drivers/net/ethernet/broadcom/bcm4908_enet.c | 7 +-
drivers/net/ethernet/broadcom/bcmsysport.c | 7 +-
drivers/net/ethernet/broadcom/bgmac-bcma.c | 10 +--
.../net/ethernet/broadcom/bgmac-platform.c | 11 ++-
drivers/net/ethernet/cadence/macb_main.c | 11 +--
.../net/ethernet/cavium/octeon/octeon_mgmt.c | 8 +-
.../net/ethernet/cavium/thunder/thunder_bgx.c | 5 +-
drivers/net/ethernet/davicom/dm9000.c | 10 +--
drivers/net/ethernet/ethoc.c | 6 +-
drivers/net/ethernet/ezchip/nps_enet.c | 7 +-
drivers/net/ethernet/freescale/fec_main.c | 7 +-
drivers/net/ethernet/freescale/fec_mpc52xx.c | 7 +-
drivers/net/ethernet/freescale/fman/mac.c | 9 +-
.../ethernet/freescale/fs_enet/fs_enet-main.c | 5 +-
drivers/net/ethernet/freescale/gianfar.c | 8 +-
drivers/net/ethernet/freescale/ucc_geth.c | 5 +-
drivers/net/ethernet/hisilicon/hisi_femac.c | 7 +-
drivers/net/ethernet/hisilicon/hix5hd2_gmac.c | 7 +-
drivers/net/ethernet/lantiq_xrx200.c | 7 +-
drivers/net/ethernet/marvell/mv643xx_eth.c | 5 +-
drivers/net/ethernet/marvell/mvneta.c | 6 +-
.../ethernet/marvell/prestera/prestera_main.c | 11 +--
drivers/net/ethernet/marvell/pxa168_eth.c | 9 +-
drivers/net/ethernet/marvell/sky2.c | 8 +-
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 11 +--
drivers/net/ethernet/micrel/ks8851_common.c | 7 +-
drivers/net/ethernet/microchip/lan743x_main.c | 5 +-
drivers/net/ethernet/nxp/lpc_eth.c | 4 +-
drivers/net/ethernet/qualcomm/qca_spi.c | 10 +--
drivers/net/ethernet/qualcomm/qca_uart.c | 9 +-
drivers/net/ethernet/renesas/ravb_main.c | 12 +--
drivers/net/ethernet/renesas/sh_eth.c | 5 +-
.../ethernet/samsung/sxgbe/sxgbe_platform.c | 13 +--
drivers/net/ethernet/socionext/sni_ave.c | 10 +--
.../ethernet/stmicro/stmmac/dwmac-anarion.c | 2 +-
.../stmicro/stmmac/dwmac-dwc-qos-eth.c | 2 +-
.../ethernet/stmicro/stmmac/dwmac-generic.c | 2 +-
.../net/ethernet/stmicro/stmmac/dwmac-imx.c | 2 +-
.../stmicro/stmmac/dwmac-intel-plat.c | 2 +-
.../ethernet/stmicro/stmmac/dwmac-ipq806x.c | 2 +-
.../ethernet/stmicro/stmmac/dwmac-lpc18xx.c | 2 +-
.../ethernet/stmicro/stmmac/dwmac-mediatek.c | 2 +-
.../net/ethernet/stmicro/stmmac/dwmac-meson.c | 2 +-
.../ethernet/stmicro/stmmac/dwmac-meson8b.c | 2 +-
.../net/ethernet/stmicro/stmmac/dwmac-oxnas.c | 2 +-
.../stmicro/stmmac/dwmac-qcom-ethqos.c | 2 +-
.../net/ethernet/stmicro/stmmac/dwmac-rk.c | 2 +-
.../ethernet/stmicro/stmmac/dwmac-socfpga.c | 2 +-
.../net/ethernet/stmicro/stmmac/dwmac-sti.c | 2 +-
.../net/ethernet/stmicro/stmmac/dwmac-stm32.c | 2 +-
.../net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 2 +-
.../net/ethernet/stmicro/stmmac/dwmac-sunxi.c | 2 +-
.../ethernet/stmicro/stmmac/dwmac-visconti.c | 2 +-
drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 +-
.../net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +-
.../ethernet/stmicro/stmmac/stmmac_platform.c | 14 +--
.../ethernet/stmicro/stmmac/stmmac_platform.h | 2 +-
drivers/net/ethernet/ti/am65-cpsw-nuss.c | 19 ++---
drivers/net/ethernet/ti/cpsw.c | 7 +-
drivers/net/ethernet/ti/cpsw_new.c | 7 +-
drivers/net/ethernet/ti/davinci_emac.c | 8 +-
drivers/net/ethernet/ti/netcp_core.c | 7 +-
drivers/net/ethernet/wiznet/w5100-spi.c | 8 +-
drivers/net/ethernet/wiznet/w5100.c | 2 +-
drivers/net/ethernet/xilinx/ll_temac_main.c | 8 +-
.../net/ethernet/xilinx/xilinx_axienet_main.c | 15 ++--
drivers/net/ethernet/xilinx/xilinx_emaclite.c | 8 +-
drivers/net/wireless/ath/ath9k/init.c | 5 +-
drivers/net/wireless/mediatek/mt76/eeprom.c | 9 +-
.../net/wireless/ralink/rt2x00/rt2x00dev.c | 6 +-
drivers/of/of_net.c | 85 ++++++++++++-------
drivers/staging/octeon/ethernet.c | 10 +--
drivers/staging/wfx/main.c | 7 +-
include/linux/of_net.h | 6 +-
include/net/dsa.h | 2 +-
net/dsa/dsa2.c | 2 +-
net/dsa/slave.c | 2 +-
net/ethernet/eth.c | 11 +--
85 files changed, 243 insertions(+), 364 deletions(-)
--
2.20.1
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