On 2/8/19 2:17 PM, Andrejs Cainikovs wrote:
> D_CAN supports up to 128 message objects, comparing to 32 on C_CAN.
> However, some CPUs with D_CAN controller have their own limits:
> TI AM335x Sitara CPU, for example, supports max of 64 message objects.
>
> This patch extends max D_CAN message objects up to 64.
Please don't make this a kconfig option.
According to you description this is a HW feature, so please add the max
number of messe objects to "struct c_can_driver_data" and adjust the
drvdata accordingly.
> static const struct of_device_id c_can_of_table[] = {
> { .compatible = "bosch,c_can", .data = &c_can_drvdata },
> { .compatible = "bosch,d_can", .data = &d_can_drvdata },
> { .compatible = "ti,dra7-d_can", .data = &dra7_dcan_drvdata },
> { .compatible = "ti,am3352-d_can", .data = &am3352_dcan_drvdata },
> { .compatible = "ti,am4372-d_can", .data = &am3352_dcan_drvdata },
> { /* sentinel */ },
> };
You probably have to pass it via "struct c_can_priv" so that it's
available in the c_can.c
Marc
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