Olof Johansson wrote at Thursday, December 22, 2011 5:18 PM:
> This is the first step in making it device-tree aware and get rid of the
> in-kernel EMC tables (of which there are none in mainline, thankfully).
> -void tegra_init_emc(const struct tegra_emc_table *table, int table_size)
> +static int __devinit tegra_emc_probe(struct platform_device *pdev)
> +{
...
> + }
> +
> + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + if (!res) {
> + dev_err(&pdev->dev, "missing register base\n");
> + return -ENOMEM;
> + }
> +
> + if (!request_mem_region(res->start, resource_size(res), "tegra_emc")) {
Something is wrong with the indentation there.
> + /* Since default max_rate on emc clock is the same as firmware set
> + * it to before booting, raise it up here based on known timings.
> + */
> +
> + for (i = 0; i < pdata->num_tables; i++)
> + if (pdata->tables[i].rate > max)
> + max = pdata->tables[i].rate;
> +
> + c->max_rate = max * 2 * 1000;
> +
> + list_for_each_entry(user, &c->shared_bus_list, u.shared_bus_user.node)
> + user->max_rate = c->max_rate;
Hmm. I guess that works OK for now. Using some kind of accessor might
be nice; I'm not sure how that could be implemented once there's a
common clock framework, and this code can't touch the clock internals.
--
nvpublic
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