Adapt the ramc mapping code to handle multiple ram controllers in the DT.
Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-at91/setup.c | 26 ++++++++++++++------------
1 file changed, 14 insertions(+), 12 deletions(-)
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 9c4c7fb323fb..cc520596f23b 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -393,24 +393,26 @@ static void at91_dt_ramc(void)
{
struct device_node *np;
const struct of_device_id *of_id;
+ int idx = 0;
- np = of_find_matching_node(NULL, ramc_ids);
- if (!np)
- panic(pr_fmt("unable to find compatible ram controller node in dtb\n"));
+ for_each_matching_node(np, ramc_ids) {
+ at91_ramc_base[idx] = of_iomap(np, 0);
+ if (!at91_ramc_base[idx])
+ panic(pr_fmt("unable to map ramc[%d] cpu registers\n"), idx);
- at91_ramc_base[0] = of_iomap(np, 0);
- if (!at91_ramc_base[0])
- panic(pr_fmt("unable to map ramc[0] cpu registers\n"));
- /* the controller may have 2 banks */
- at91_ramc_base[1] = of_iomap(np, 1);
+ idx++;
+ }
+
+ if (!idx)
+ panic(pr_fmt("unable to find compatible ram controller node in dtb\n"));
of_id = of_match_node(ramc_ids, np);
- if (!of_id)
+ if (!of_id) {
pr_warn("ramc no standby function available\n");
- else
- at91_pm_set_standby(of_id->data);
+ return;
+ }
- of_node_put(np);
+ at91_pm_set_standby(of_id->data);
}
static struct of_device_id shdwc_ids[] = {
--
2.0.1
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