Re: [PATCH 1/4] edac, altera: Generalize driver to use DT Memory size

Arnd Bergmann
2015-05-15T11:00:42Z

On Wednesday 13 May 2015 16:49:44 tthayer@opensource.altera.com wrote:
> -static u32 altr_sdram_get_total_mem_size(struct regmap *mc_vbase)
> +/* Get total memory size from Open Firmware DTB */
> +static unsigned long get_total_mem(void)
> {
> - u32 size, read_reg, row, bank, col, cs, width;
> + struct device_node *np = NULL;
> + const unsigned int *reg, *reg_end;
> + int len, sw, aw;
> + unsigned long start, size, total_mem;
>
> - if (regmap_read(mc_vbase, DRAMADDRW_OFST, &read_reg) < 0)
> + np = of_find_node_by_type(NULL, "memory");
> + if (!np)
> return 0;

There can be multiple memory nodes, I think you need to have a loop
using for_each_node_by_type.

Arnd