5 files changed, 16 insertions, 50 deletions
diff --git a/arch/xtensa/platforms/iss/include/platform/simcall.h b/arch/xtensa/platforms/iss/include/platform/simcall.h
index 2ba45858e50a..f42870ab551b 100644
--- a/arch/xtensa/platforms/iss/include/platform/simcall.h
+++ b/arch/xtensa/platforms/iss/include/platform/simcall.h
@@ -66,19 +66,17 @@ static int errno;
 
 static inline int __simc(int a, int b, int c, int d)
 {
-	int ret;
 	register int a1 asm("a2") = a;
 	register int b1 asm("a3") = b;
 	register int c1 asm("a4") = c;
 	register int d1 asm("a5") = d;
 	__asm__ __volatile__ (
 			"simcall\n"
-			"mov %0, a2\n"
-			"mov %1, a3\n"
-			: "=a" (ret), "=a" (errno), "+r"(a1), "+r"(b1)
+			: "+r"(a1), "+r"(b1)
 			: "r"(c1), "r"(d1)
 			: "memory");
-	return ret;
+	errno = b1;
+	return a1;
 }
 
 static inline int simc_exit(int exit_code)
@@ -113,9 +111,9 @@ static inline int simc_write(int fd, const void *buf, size_t count)
 
 static inline int simc_poll(int fd)
 {
-	struct timeval tv = { .tv_sec = 0, .tv_usec = 0 };
+	long timeval[2] = { 0, 0 };
 
-	return __simc(SYS_select_one, fd, XTISS_SELECT_ONE_READ, (int)&tv);
+	return __simc(SYS_select_one, fd, XTISS_SELECT_ONE_READ, (int)&timeval);
 }
 
 static inline int simc_lseek(int fd, uint32_t off, int whence)
diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c
index fa9f3893b002..4986226a5ab2 100644
--- a/arch/xtensa/platforms/iss/network.c
+++ b/arch/xtensa/platforms/iss/network.c
@@ -455,7 +455,7 @@ static void iss_net_set_multicast_list(struct net_device *dev)
 {
 }
 
-static void iss_net_tx_timeout(struct net_device *dev)
+static void iss_net_tx_timeout(struct net_device *dev, unsigned int txqueue)
 {
 }
 
diff --git a/arch/xtensa/platforms/iss/setup.c b/arch/xtensa/platforms/iss/setup.c
index e28dd53d7df5..ed519aee0ec8 100644
--- a/arch/xtensa/platforms/iss/setup.c
+++ b/arch/xtensa/platforms/iss/setup.c
@@ -11,32 +11,18 @@
  * Copyright 2001 - 2005 Tensilica Inc.
  * Copyright 2017 Cadence Design Systems Inc.
  */
-#include <linux/memblock.h>
-#include <linux/stddef.h>
-#include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/reboot.h>
-#include <linux/kdev_t.h>
-#include <linux/types.h>
-#include <linux/major.h>
-#include <linux/blkdev.h>
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/stringify.h>
+#include <linux/kernel.h>
 #include <linux/notifier.h>
+#include <linux/printk.h>
+#include <linux/string.h>
 
 #include <asm/platform.h>
-#include <asm/bootparam.h>
 #include <asm/setup.h>
 
 #include <platform/simcall.h>
 
 
-void __init platform_init(bp_tag_t* bootparam)
-{
-}
-
 void platform_halt(void)
 {
 	pr_info(" ** Called platform_halt() **\n");
@@ -48,6 +34,7 @@ void platform_power_off(void)
 	pr_info(" ** Called platform_power_off() **\n");
 	simc_exit(0);
 }
+
 void platform_restart(void)
 {
 	/* Flush and reset the mmu, simulate a processor reset, and
@@ -56,10 +43,6 @@ void platform_restart(void)
 	/* control never gets here */
 }
 
-void platform_heartbeat(void)
-{
-}
-
 static int
 iss_panic_event(struct notifier_block *this, unsigned long event, void *ptr)
 {
diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c
index f9cd45860bee..833109880165 100644
--- a/arch/xtensa/platforms/iss/simdisk.c
+++ b/arch/xtensa/platforms/iss/simdisk.c
@@ -251,10 +251,10 @@ out_free:
 	return err;
 }
 
-static const struct file_operations fops = {
-	.read = proc_read_simdisk,
-	.write = proc_write_simdisk,
-	.llseek = default_llseek,
+static const struct proc_ops simdisk_proc_ops = {
+	.proc_read	= proc_read_simdisk,
+	.proc_write	= proc_write_simdisk,
+	.proc_lseek	= default_llseek,
 };
 
 static int __init simdisk_setup(struct simdisk *dev, int which,
@@ -290,7 +290,7 @@ static int __init simdisk_setup(struct simdisk *dev, int which,
 	set_capacity(dev->gd, 0);
 	add_disk(dev->gd);
 
-	dev->procfile = proc_create_data(tmp, 0644, procdir, &fops, dev);
+	dev->procfile = proc_create_data(tmp, 0644, procdir, &simdisk_proc_ops, dev);
 	return 0;
 
 out_alloc_disk:
diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c
index 829115bb381f..4f7d6142d41f 100644
--- a/arch/xtensa/platforms/xtfpga/setup.c
+++ b/arch/xtensa/platforms/xtfpga/setup.c
@@ -24,6 +24,7 @@
 #include <linux/of.h>
 #include <linux/clk-provider.h>
 #include <linux/of_address.h>
+#include <linux/slab.h>
 
 #include <asm/timex.h>
 #include <asm/processor.h>
@@ -56,22 +57,6 @@ void platform_restart(void)
 	/* control never gets here */
 }
 
-void __init platform_setup(char **cmdline)
-{
-}
-
-/* early initialization */
-
-void __init platform_init(bp_tag_t *first)
-{
-}
-
-/* Heartbeat. */
-
-void platform_heartbeat(void)
-{
-}
-
 #ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
 
 void __init platform_calibrate_ccount(void)