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Make sure to deregister and free any fixed-link PHY registered using
of_phy_register_fixed_link() on probe errors and on driver unbind.
Fixes: c7dfe3abf40e ("net: ethernet: nb8800: support fixed-link DT
node")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ $ modinfo drivers/net/ethernet/aurora/nb8800.ko | grep alias
$
After this patch:
$ modinfo drivers/net/ethernet/aurora/nb8800.ko | grep alias
alias: of:N*T*Csigma,smp8734-ethernetC*
alias: of:N*T*Csigma,smp8734-ethernet
alias: of:N*T*Csigma,smp8642-ethernetC*
alias: of:N*T*Csigma,smp8642-ethernet
alias: of:N*T*Caurora,nb8800C*
alias: of:N*T*Caurora,nb8800
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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of_node_put needs to be called when the device node which is got
from of_parse_phandle has finished using.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just several instances of overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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In ops->reset() error handling case, clk_disable_unprepare() is missed
before return from this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case nb8800_receive() fails to allocate a fragment, we would leak the
SKB freshly allocated and just return, instead, free it.
Reported-by: coverity (CID 1341750)
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are two generics functions phy_ethtool_{get|set}_link_ksettings,
so we can use them instead of defining the same code in the driver.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Acked-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The private structure contain a pointer to phydev, but the structure
net_device already contain such pointer. So we can remove the pointer
phydev in the private structure, and update the driver to use the
one contained in struct net_device.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Acked-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Under some circumstances, e.g. when connecting to a switch, the ethernet
port will not be connected to a PHY. In that case a "fixed-link" DT node
can be used to replace it.
https://stackoverflow.com/questions/31046172/device-tree-for-phy-less-connection-to-a-dsa-switch
This patch adds support for the "fixed-link" node to the nb8800 driver.
Signed-off-by: Sebastian Frias <sf84@laposte.net>
Acked-by: Mans Rullgard <mans@mansr.com>
Cc: Mason <slash.tmp@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The nb8800_poll() function initializes the 'next' variable in the
loop looking for new input data. We know this will be called at
least once because 'budget' is a guaranteed to be a positive number
when we enter the function, but the compiler doesn't know that
and warns when the variable is used later:
drivers/net/ethernet/aurora/nb8800.c: In function 'nb8800_poll':
drivers/net/ethernet/aurora/nb8800.c:350:21: warning: 'next' may be used uninitialized in this function [-Wmaybe-uninitialized]
Changing the 'while() {}' loop to 'do {} while()' makes it obvious
to the compiler what is going on so it no longer warns.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If NO_DMA=y:
ERROR: "dma_map_single" [drivers/net/ethernet/aurora/nb8800.ko] undefined!
ERROR: "dma_unmap_page" [drivers/net/ethernet/aurora/nb8800.ko] undefined!
ERROR: "dma_sync_single_for_cpu" [drivers/net/ethernet/aurora/nb8800.ko] undefined!
ERROR: "dma_unmap_single" [drivers/net/ethernet/aurora/nb8800.ko] undefined!
ERROR: "dma_alloc_coherent" [drivers/net/ethernet/aurora/nb8800.ko] undefined!
ERROR: "dma_mapping_error" [drivers/net/ethernet/aurora/nb8800.ko] undefined!
ERROR: "dma_map_page" [drivers/net/ethernet/aurora/nb8800.ko] undefined!
ERROR: "dma_free_coherent" [drivers/net/ethernet/aurora/nb8800.ko] undefined!
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds a driver for the Aurora VLSI NB8800 Ethernet controller.
It is an almost complete rewrite of a driver originally found in
a Sigma Designs 2.6.22 tree.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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