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8 Commits

Author SHA1 Message Date
Tomasz Bursztyka e18fcbba5a device: Const-ify all device driver instance pointers 
Now that device_api attribute is unmodified at runtime, as well as all
the other attributes, it is possible to switch all device driver
instance to be constant.

A coccinelle rule is used for this:

@r_const_dev_1
  disable optional_qualifier
@
@@
-struct device *
+const struct device *

@r_const_dev_2
 disable optional_qualifier
@
@@
-struct device * const
+const struct device *

Fixes #27399

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
 2020-09-02 13:48:13 +02:00
Tomasz Bursztyka 98d9b01322 device: Apply driver_api/data attributes rename everywhere 
Via coccinelle:

@r_device_driver_api_and_data_1@
struct device *D;
@@
(
D->
-	driver_api
+	api
|
D->
-	driver_data
+	data
)

@r_device_driver_api_and_data_2@
expression E;
@@
(
net_if_get_device(E)->
-	driver_api
+	api
|
net_if_get_device(E)->
-	driver_data
+	data
)

And grep/sed rules for macros:

git grep -rlz 'dev)->driver_data' |
	xargs -0 sed -i 's/dev)->driver_data/dev)->data/g'

git grep -rlz 'dev->driver_data' |
	xargs -0 sed -i 's/dev->driver_data/dev->data/g'

git grep -rlz 'device->driver_data' |
	xargs -0 sed -i 's/device->driver_data/device->data/g'

Fixes #27397

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
 2020-08-11 19:30:53 +02:00
Tomasz Bursztyka af6140cc0d device: Apply config_info rename everywhere 
Via coccinelle:

@r_device_config@
struct device *D;
@@

D->
-	config_info
+	config

And 2 grep/sed rules for macros:

git grep -rlz 'dev)->config_info' |
	xargs -0 sed -i 's/dev)->config_info/dev)->config/g'

git grep -rlz 'dev->config_info' |
	xargs -0 sed -i 's/dev->config_info/dev->config/g'

Fixes #27397

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
 2020-08-11 19:30:53 +02:00
Kumar Gala a1b77fd589 zephyr: replace zephyr integer types with C99 types 
git grep -l 'u\(8\|16\|32\|64\)_t' | \
		xargs sed -i "s/u\(8\|16\|32\|64\)_t/uint\1_t/g"
	git grep -l 's\(8\|16\|32\|64\)_t' | \
		xargs sed -i "s/s\(8\|16\|32\|64\)_t/int\1_t/g"

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
 2020-06-08 08:23:57 -05:00
Peter Bigot 4f16b419e8 device: avoid casting away const from config_info pointer 
The driver-specific config_info structure referenced from the device
structure is marked const.  Some drivers fail to preserve that
qualifier when casting the pointer to the driver-specific structure,
violating MISRA 11.8.

Changes produced by scripts/coccinelle/const_config_info.cocci.

Some changes proposed by the script are not included because they
reveal mutation of state through the const pointer, though the
code works as long as the driver-specific object is defined without
the const qualifier.

Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
 2020-05-13 18:21:52 +02:00
Tomasz Bursztyka 97326c0445 device: Fix structure attributes access 
Since struct devconfig was merged earlier into struct device, let's fix
accessing config_info, name, ... attributes everywhere via:

grep -rlZ 'dev->config->' | xargs -0 sed -i 's/dev->config->/dev->/g'

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
 2020-05-08 23:07:44 +02:00
Andrei Emeltchenko 99403c5b13 net: ethernet: Define and use Ethernet frame and datagram size 
Remove magic numbers from Ethernet drivers and tests by defining
NET_ETH_MAX_DATAGRAM_SIZE and NET_ETH_MAX_FRAME_SIZE.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
 2019-03-15 06:44:13 -05:00
Vijay Kumar B cffb2d8051 drivers: ethernet: Add TI Stellaris ethernet controller driver. 
The driver can be tested using different networking emulation
approaches.

This approach will work across multiple Qemu instances. There can be
more than one Qemu instance, run using the following command. They
would appear to be on the same Ethernet network.

  $ qemu-system-arm -M lm3s6965evb                      \
                    -serial stdio                       \
                    -net nic                            \
                    -net socket,mcast=230.0.0.1:1234    \
                    -kernel zephyr.elf

This approach will work with other virtualization technologies that
support connecting to a VDE switch, like VirtualBox and User Mode
Linux. The switch can be started using the following command.

  $ vde_switch --sock /tmp/switch

Qemu can be connected to the switch using the following command.

  $ qemu-system-arm -M lm3s6965evb                      \
                    -serial stdio                       \
                    -net nic                            \
                    -net vde,sock=/tmp/switch   	\
                    -kernel zephyr.elf

Signed-off-by: Fadhel Habeeb <fadhel@zilogic.com>
Signed-off-by: Nirav Parmar <niravparmar@zilogic.com>
Signed-off-by: Vijay Kumar B <vijaykumar@zilogic.com>
 2018-12-04 09:36:51 -06:00