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While looking into an MTU issue with sfc, I started noticing that almost
every NIC driver with an ndo_change_mtu function implemented almost
exactly the same range checks, and in many cases, that was the only
practical thing their ndo_change_mtu function was doing. Quite a few
drivers have either 68, 64, 60 or 46 as their minimum MTU value checked,
and then various sizes from 1500 to 65535 for their maximum MTU value. We
can remove a whole lot of redundant code here if we simple store min_mtu
and max_mtu in net_device, and check against those in net/core/dev.c's
dev_set_mtu().
In theory, there should be zero functional change with this patch, it just
puts the infrastructure in place. Subsequent patches will attempt to start
using said infrastructure, with theoretically zero change in
functionality.
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We keep running into cases where device drivers want to know the exact
version of the a SoC they are currently running on. In the past, this has
usually been done through a vendor specific API that can be called by a
driver, or by directly accessing some kind of version register that is
not part of the device itself but that belongs to a global register area
of the chip.
Common reasons for doing this include:
- A machine is not using devicetree or similar for passing data about
on-chip devices, but just announces their presence using boot-time
platform devices, and the machine code itself does not care about the
revision.
- There is existing firmware or boot loaders with existing DT binaries
with generic compatible strings that do not identify the particular
revision of each device, but the driver knows which SoC revisions
include which part.
- A prerelease version of a chip has some quirks and we are using the same
version of the bootloader and the DT blob on both the prerelease and the
final version. An update of the DT binding seems inappropriate because
that would involve maintaining multiple copies of the dts and/or
bootloader.
This patch introduces the soc_device_match() interface that is meant to
work like of_match_node() but instead of identifying the version of a
device, it identifies the SoC itself using a vendor-agnostic interface.
Unlike of_match_node(), we do not do an exact string compare but instead
use glob_match() to allow wildcards in strings.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove USB errata checking code from driver. Applicability of erratum
is retrieved by reading corresponding property in device tree.
This property is written during device tree fixup.
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: yinbo.zhu <yinbo.zhu@nxp.com>
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USB erratum-A006918 workaround tries to start internal PHY inside
uboot (when PLL fails to lock). However, if the workaround also
fails, then USB initialization is also stopped inside Linux.
Erratum-A006918 workaround failure creates "fsl,erratum_a006918"
node in device-tree. Presence of this node in device-tree is
used to stop USB controller initialization in Linux
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Suresh Gupta <suresh.gupta@freescale.com>
Signed-off-by: yinbo.zhu <yinbo.zhu@nxp.com>
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Add USDPAA device trees for LS1043/LS1046 RDB boards
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
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Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Integrated-by: Zhao Qiang <qiang.zhao@nxp.com>
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Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
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Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
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Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
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Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
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Add the DPAA 1.x FMan device tree nodes for LS1046A boards.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
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Add the DPAA 1.x FMan device tree nodes for LS1043A boards.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
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Add the DPAA 1.x FMan nodes for the ARM based platforms.
Using separate files for each port as not all ports are used on all
devices. Different numbering of ports is also possible on different
devices.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
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commit bb18179284750ab91ef70172e87a722fcef9e1f4
[context adjustment]
Add the QBMan device tree nodes for LS1046A devices.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Integrated-by: Zhao Qiang <qiang.zhao@nxp.com>
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Add the DPAA 1.x QMan and BMan nodes in the LS1043A device tree.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
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Add the DPAA 1.x DPAA QMan and BMan portal nodes.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
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The base address of watchdog unit is incorrect lead to the
watchdog timer is not registered.
Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com>
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Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com>
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Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com>
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Add esdhc node for ls1088a and enable it on both RDB and QDS boards.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: yinbo.zhu <yinbo.zhu@nxp.com>
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Currently SD UHS-I modes were enabled by default on LS208xARDB boards,
but the new LS2088ARDB RevF board didn't support them any more since SDHC
circuit had been reworked. This patch is to disable SD UHS-I modes by default
in case of any issue on LS2088ARDB RevF
Signed-off-by: yinbo.zhu <yinbo.zhu@nxp.com>
Acked-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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1. Remove ls1043a compatible string from node
2. Fix the sata ecc register address error
Signed-off-by: Tang Yuantian <andy.tang@nxp.com>
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LS208xA has a SEC v5.1 security engine.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
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aliases node is identical for all boards, thus move it
to the common file ls208xa.dtsi.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
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LS1088A has a SEC v5.3 security engine.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
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Signed-off-by: Amrita Kumari <amrita.kumari@nxp.com>
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Add mdio and phy nodes for the following FSL platforms:
- LS1088A RDB
- LS2080A QDS & RDB
- LS2088A QDS, RDB & simu
Contains contributions from patches by the following authors:
Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Signed-off-by: Rai Harninder <harninder.rai@nxp.com>
Signed-off-by: Pratiyush Mohan Srivastava <pratiyush.srivastava@nxp.com>
Signed-off-by: Raghav Dogra <raghav.dogra@nxp.com>
Signed-off-by: Santan Kumar <santan.kumar@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Signed-off-by: Ashish Kumar <ashish.kumar@nxp.com>
Signed-off-by: Abhimanyu Saini <abhimanyu.saini@nxp.com>
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
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Signed-off-by: Constantin Tudor <constantin.tudor@nxp.com>
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Add "configure-gfladj" boolean property to USB3 node. This property
is used to determine whether frame length adjustent is required
or not
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
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Some DWC3 platform has DMA snooping feature.
Therefore, add property "snps,dma-snooping" to enable it.
Signed-off-by: Changming Huang <jerry.huang@nxp.com>
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Signed-off-by: yinbo.zhu <yinbo.zhu@nxp.com>
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There are eight cores in ls1088a and each core has an watchdog,
ls1088a can use sp805-wdt driver, so we just add DT node for it.
Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com>
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Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com>
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Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com>
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Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com>
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Add rcpm and ftm0 nodes. The Power Management related features
need these nodes.
Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com>
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Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com>
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Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com>
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PCA954x Mux device should never be turned-off after power-on. if
device tree contians "i2c-mux-never-disable" property for pca954x
device node, it can ensure that skip disabling PCA954x Mux device.
Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com>
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Signed-off-by: Tang Yuantian <andy.tang@nxp.com>
`
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update sata node to add the ecc register address and dma-coherent
properties.
Signed-off-by: Tang Yuantian <andy.tang@nxp.com>
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Signed-off-by: Tang Yuantian <andy.tang@nxp.com>
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ls1012a has separate input root clocks for core PLLs versus the
platform PLL, with the latter described as sysclk in the hw docs.
Signed-off-by: Tang Yuantian <andy.tang@nxp.com>
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Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
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This is temporary patch, will rewrite for open source
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Signed-off-by: Suresh Gupta <suresh.gupta@nxp.com>
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There is a s25fs512s qspi flash on QDS, RDB and FRDM board.
Signed-off-by: Yuan Yao <yao.yuan@nxp.com>
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The field "m25p,fast-read" means that flash works at fast-read mode.
Now Quad read mode is supported, So we remove the field, and the quad
read mode is enabled by default.
Signed-off-by: Yunhui Cui <yunhui.cui@nxp.com>
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This patch adds dts nodes for QSPI on LS1021A.
Signed-off-by: Yuan Yao <yao.yuan@nxp.com>
Signed-off-by: Alison Wang <alison.wang@nxp.com>
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LS1088a implements 3 PCIe 3.0 controllers.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Integrated-by: Zhao Qiang <qiang.zhao@nxp.com>
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Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
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