On 02/03/15 11:29, Suzuki K. Poulose wrote:
From: "Suzuki K. Poulose" <suzuki.poulose@xxxxxxx>
No functional changes, only code re-arrangements for easier split of the
PMU code vs low level driver code. Extracts the port handling code
to cci_probe_ports().
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@xxxxxxx>
---
drivers/bus/arm-cci.c | 330 +++++++++++++++++++++++++------------------------
1 file changed, 168 insertions(+), 162 deletions(-)
diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
index 84fd660..f27cf56 100644
--- a/drivers/bus/arm-cci.c
+++ b/drivers/bus/arm-cci.c
[...]
@@ -1395,11 +1412,36 @@ static int cci_probe(void)
sync_cache_w(&cpu_port);
__sync_cache_range_w(ports, sizeof(*ports) * nb_cci_ports);
pr_info("ARM CCI driver probed\n");
+
return 0;
+}
+
+static int cci_probe(void)
+{
+ int ret;
+ struct device_node *np;
+ struct resource res;
+
+ np = of_find_matching_node(NULL, arm_cci_matches);
+ if (!np)
+ return -ENODEV;
-memalloc_err:
+ if (!of_device_is_available(np))
+ return -ENODEV;
+
+ ret = of_address_to_resource(np, 0, &res);
+ if (!ret) {
+ cci_ctrl_base = ioremap(res.start, resource_size(&res));
+ cci_ctrl_phys = res.start;
+ }
+ if (ret || !cci_ctrl_base) {
+ WARN(1, "unable to ioremap CCI ctrl\n");
+ ret = -ENXIO;
+ goto out;
IMO you can return directly here and get rid of this goto as nothing is
done there.
Regards,
Sudeep
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