+ * apm_bios_call_simple - make a simple APM BIOS 32bit call
+ * @func: APM function to invoke
+ * @ebx_in: EBX register value for BIOS call
+ * @ecx_in: ECX register value for BIOS call
+ * @eax: EAX register on return from the BIOS call
+ * @err: bits
+ *
+ * Make a BIOS call that returns one value only, or just status.
+ * If there is an error, then the error code is returned in @err
+ * and this function returns non-zero. This is used for simpler
+ * BIOS operations. This call may hold interrupts off for a long
+ * time on some laptops.
+ */
+static int apm_bios_call_simple(u32 func, u32 ebx_in, u32 ecx_in, u32 *eax,
+ int *err)
+{
+ struct apm_bios_call call;
+ int ret;
+
+ call.func = func;
+ call.ebx = ebx_in;
+ call.ecx = ecx_in;
+
+ ret = on_cpu0(__apm_bios_call_simple, &call);
+ *eax = call.eax;
+ *err = call.err;
+ return ret;
+}
+
+/**