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W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the ARC modules.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240214152741.670178-8-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In com20020_probe(), if com20020_config() fails, dev and info
will not be freed, which will lead to a memory leak.
This patch adds freeing dev and info after com20020_config()
fails to fix this bug.
Compile tested only.
Fixes: 15b99ac17295 ("[PATCH] pcmcia: add return value to _config() functions")
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the drivers which use single-byte netdev addresses
(netdev->addr_len == 1) use the appropriate address setting
helpers.
arcnet copies from int variables and io reads a lot, so
add a helper for arcnet drivers to use.
Similar helper could be reused for phonet and appletalk
but there isn't any good central location where we could
put it, and netdevice.h is already very crowded.
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> # for HSI
Link: https://lore.kernel.org/r/20211012142757.4124842-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The main arcnet interrupt handler calls arcnet_close() then
arcnet_open(), if the RESET status flag is encountered.
This is invalid:
1) In general, interrupt handlers should never call ->ndo_stop() and
->ndo_open() functions. They are usually full of blocking calls and
other methods that are expected to be called only from drivers
init and exit code paths.
2) arcnet_close() contains a del_timer_sync(). If the irq handler
interrupts the to-be-deleted timer, del_timer_sync() will just loop
forever.
3) arcnet_close() also calls tasklet_kill(), which has a warning if
called from irq context.
4) For device reset, the sequence "arcnet_close(); arcnet_open();" is
not complete. Some children arcnet drivers have special init/exit
code sequences, which then embed a call to arcnet_open() and
arcnet_close() accordingly. Check drivers/net/arcnet/com20020.c.
Run the device RESET sequence from a scheduled workqueue instead.
Signed-off-by: Ahmed S. Darwish <a.darwish@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20210128194802.727770-1-a.darwish@linutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When DEBUG is defined this error occurs
drivers/net/arcnet/com20020_cs.c:70:15: error: ‘com20020_REG_W_ADDR_HI’
undeclared (first use in this function);
did you mean ‘COM20020_REG_W_ADDR_HI’?
ioaddr, com20020_REG_W_ADDR_HI);
^~~~~~~~~~~~~~~~~~~~~~
From reviewing the context, the suggestion is what is meant.
Signed-off-by: Tom Rix <trix@redhat.com>
Acked-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/20210117181519.527625-1-trix@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Simplify and make consistent the current uses of inb/outb
by using the newly introduced arcnet_<I/O> equivalents.
o Add new #defines for register offsets
There is an register offset, 8, that is unnamed and used as-is.
o Remove old #defines that included the ioaddr
o Remove obfuscating macros by expanding them in-place where appropriate
o Create static inline com20020_set_subaddress for the SET_SUBADR macro
There is an unused arcnet config entry CONFIGSA100_CT6001 which added a
special #define BUS_ALIGN which was introduced but never used in fullhist git
tree commit 22cfce4b82b0 ("[ARCNET]: Fixes.") in Nov 2004 for Linux v2.6.10.
This BUS_ALIGN #define tries to allow 8 bit devices to work on a 16 bit
bus by aligning addresses to 16 bit boundaries.
Move this currently unused CONFIG_SA1100_CT6001 BUS_ALIGN macro from
com20020.h to arcdevice.h.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
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These #include files don't need to be in the include/linux directory
as they can be local to drivers/net/arcnet/
Move them and update the #include statements.
Update the MAINTAINERS file pattern by deleting arcdevice from the
NETWORKING block as arcnet is currently unmaintained.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
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Use the more current logging style.
Remove #define VERSION, use pr_info normally.
Add pr_fmt with "arcnet:" prefixes and KBUILD_MODNAME.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
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Conformity can be useful.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
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Use the preferred kernel include path for asm paths.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
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Move braces normal kernel locations.
Add missing braces.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
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Use a more current kernel line style.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
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Standardized spacing is easier to read.
git diff -w shows no differences.
objdiff shows no differences.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
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The com20020-pci driver is currently designed to instance
one netdev with one pci device. This patch adds support to
instance many cards with one pci device, depending on the device
data in the private data.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Linux kernel coding style guidelines suggest not using typedefs
for structure types. This patch gets rid of the typedef for
com20020_dev_t. Also, the name of the struct is changed to drop the
_t, to make the name look less typedef-like.
The following Coccinelle semantic patch detects the case:
@tn@
identifier i;
type td;
@@
-typedef
struct i { ... }
-td
;
@@
type tn.td;
identifier tn.i;
@@
-td
+ struct i
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>. Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.
This covers everything under drivers/net except for wireless, which
has been submitted separately.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the new module_pcmcia_driver() macro to remove the boilerplate
module init/exit code in the pcmcia drivers.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove all #inclusions of asm/system.h preparatory to splitting and killing
it. Performed with the following command:
perl -p -i -e 's!^#\s*include\s*<asm/system[.]h>.*\n!!' `grep -Irl '^#\s*include\s*<asm/system[.]h>' *`
Signed-off-by: David Howells <dhowells@redhat.com>
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Move the COM20020 PCMICA Arcnet driver into drivers/net/arcnet/ with
the other Arcnet drivers. Made the necessary Kconfig and Makefile
changes as well.
Since this was the "last" PCMCIA driver in drivers/net/pcmcia/, this patch
also cleans up the references to drivers/net/pcmcia.
CC: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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