ramoops: move dump_oops into platform data

The platform driver currently allows setting the mem_size and
mem_address.

ince dump_oops is also a module parameter it would be more consistent if
it could be set through platform data as well.

Signed-off-by: Sergiu Iordache <sergiu@chromium.org>
Acked-by: Marco Stornelli <marco.stornelli@gmail.com>
Cc: "Ahmed S. Darwish" <darwish.07@gmail.com>
Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/char/ramoops.c

@@ -55,6 +55,7 @@ static struct ramoops_context {
 	void *virt_addr;
 	phys_addr_t phys_addr;
 	unsigned long size;
+	int dump_oops;
 	int count;
 	int max_count;
 } oops_cxt;
@@ -80,7 +81,7 @@ static void ramoops_do_dump(struct kmsg_dumper *dumper,
 		return;
 
 	/* Only dump oopses if dump_oops is set */
-	if (reason == KMSG_DUMP_OOPS && !dump_oops)
+	if (reason == KMSG_DUMP_OOPS && !cxt->dump_oops)
 		return;
 
 	buf = cxt->virt_addr + (cxt->count * RECORD_SIZE);
@@ -128,6 +129,7 @@ static int __init ramoops_probe(struct platform_device *pdev)
 	cxt->count = 0;
 	cxt->size = pdata->mem_size;
 	cxt->phys_addr = pdata->mem_address;
+	cxt->dump_oops = pdata->dump_oops;
 
 	if (!request_mem_region(cxt->phys_addr, cxt->size, "ramoops")) {
 		pr_err("request mem region failed\n");
@@ -194,6 +196,7 @@ static int __init ramoops_init(void)
 			return -ENOMEM;
 		dummy_data->mem_size = mem_size;
 		dummy_data->mem_address = mem_address;
+		dummy_data->dump_oops = dump_oops;
 		dummy = platform_create_bundle(&ramoops_driver, ramoops_probe,
 			NULL, 0, dummy_data,
 			sizeof(struct ramoops_platform_data));

include/linux/ramoops.h

@@ -10,6 +10,7 @@
 struct ramoops_platform_data {
 	unsigned long	mem_size;
 	unsigned long	mem_address;
+	int		dump_oops;
 };
 
 #endif