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drivers: can: increase default setting for software-limited RX filters

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Increase the default number of software-limited CAN RX filters across the
drivers. Some of these were chosen quite conservative, requiring custom
configuration for even simple in-tree samples.

Users can reduce the number of available RX filters to reduce RAM footprint
as needed.

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
This commit is contained in:
Henrik Brix Andersen
2025-12-05 16:15:17 +00:00
committed by Anas Nashif
parent 479666f26f
commit 65eee6d3d9
8 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/can/Kconfig.max32
View File

@@ -13,7 +13,7 @@ if CAN_MAX32
config CAN_MAX32_MAX_FILTERS
int "Maximum number of concurrent active filters"
default 5
default 16
range 1 32
help
Maximum number of filters supported by the can_add_rx_callback() API call.

2
drivers/can/Kconfig.mcp2515
View File

@@ -29,7 +29,7 @@ config CAN_MCP2515_INT_THREAD_PRIO
config CAN_MCP2515_MAX_FILTERS
int "Maximum number of concurrent active filters"
default 5
default 16
range 1 32
help
Defines the array size of the callback/msgq pointers.

2
drivers/can/Kconfig.mcp251xfd
View File

@@ -53,7 +53,7 @@ config CAN_MCP251XFD_READ_CRC_RETRIES
config CAN_MCP251XFD_MAX_FILTERS
int "Maximum number of concurrent active filters"
default 5
default 16
range 1 32
help
Maximum number of filters supported by the can_add_rx_callback() API call.

2
drivers/can/Kconfig.mcux
View File

@@ -41,7 +41,7 @@ config CAN_MCUX_FLEXCAN_MAX_MB
config CAN_MCUX_FLEXCAN_MAX_FILTERS
int "Maximum number of concurrent active RX filters"
default 5
default 13
range 1 15 if SOC_SERIES_KINETIS_KE1XF || SOC_SERIES_KINETIS_K6X
range 1 13 if (SOC_SERIES_IMXRT10XX || SOC_SERIES_IMXRT11XX) && CAN_MCUX_FLEXCAN_FD
range 1 63 if SOC_SERIES_IMXRT10XX || SOC_SERIES_IMXRT11XX

2
drivers/can/Kconfig.native_linux
View File

@@ -22,7 +22,7 @@ config CAN_NATIVE_LINUX_RX_THREAD_PRIORITY
config CAN_NATIVE_LINUX_MAX_FILTERS
int "Maximum number of concurrent active filters"
default 5
default 16
range 1 32
help
Defines the array size of the callback/msgq pointers.

2
drivers/can/Kconfig.rcar
View File

@@ -14,7 +14,7 @@ config CAN_RCAR
config CAN_RCAR_MAX_FILTERS
int "Maximum number of concurrent active filters"
depends on CAN_RCAR
default 5
default 16
range 1 32
help
Defines the array size of the callback/msgq pointers.

2
drivers/can/Kconfig.sja1000
View File

@@ -11,7 +11,7 @@ config CAN_SJA1000
config CAN_SJA1000_MAX_FILTERS
int "Maximum number of concurrent active RX filters"
depends on CAN_SJA1000
default 5
default 16
range 1 32
help
As the NXP SJA1000 only supports one full-width RX filter, filtering of received CAN

2
drivers/can/Kconfig.xmc4xxx
View File

@@ -37,7 +37,7 @@ config CAN_XMC4XXX_INTERNAL_BUS_MODE
config CAN_XMC4XXX_MAX_FILTERS
int "Maximum number of concurrent active filters"
default 4
default 16
range 1 32
help
Maximum number of filters supported by the can_add_rx_callback() API call.