[PATCH] imx8: Correct the SCU API return value check

[Peng Fan (OSS)]

From: Peng Fan <peng.fan at nxp.com>

The SCU API alrdeay has been converted to return Linux error code,
using SCU error code is not correct here, although SC_ERR_NONE is value
as 0.

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/mach-imx/imx8/ahab.c |  8 ++++----
 arch/arm/mach-imx/imx8/cpu.c  | 34 +++++++++++++++++++++-------------
 2 files changed, 25 insertions(+), 17 deletions(-)

diff --git a/arch/arm/mach-imx/imx8/ahab.c b/arch/arm/mach-imx/imx8/ahab.c
index ed44df394b1..324e010bb2c 100644
--- a/arch/arm/mach-imx/imx8/ahab.c
+++ b/arch/arm/mach-imx/imx8/ahab.c
@@ -345,9 +345,9 @@ int ahab_close(void)
 	u16 lc;
 
 	err = sc_seco_chip_info(-1, &lc, NULL, NULL, NULL);
-	if (err != SC_ERR_NONE) {
+	if (err) {
 		printf("Error in get lifecycle\n");
-		return -EIO;
+		return err;
 	}
 
 	if (lc != 0x20) {
@@ -357,9 +357,9 @@ int ahab_close(void)
 	}
 
 	err = sc_seco_forward_lifecycle(-1, 16);
-	if (err != SC_ERR_NONE) {
+	if (err) {
 		printf("Error in forward lifecycle to OEM closed\n");
-		return -EIO;
+		return err;
 	}
 
 	return 0;
diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c
index 834aca82bcf..317db31eeda 100644
--- a/arch/arm/mach-imx/imx8/cpu.c
+++ b/arch/arm/mach-imx/imx8/cpu.c
@@ -48,7 +48,7 @@ static char *get_reset_cause(void)
 {
 	sc_pm_reset_reason_t reason;
 
-	if (sc_pm_reset_reason(-1, &reason) != SC_ERR_NONE)
+	if (sc_pm_reset_reason(-1, &reason))
 		return "Unknown reset";
 
 	switch (reason) {
@@ -160,6 +160,7 @@ int arch_auxiliary_core_up(u32 core_id, ulong boot_private_data)
 	sc_faddr_t tcml_addr;
 	u32 tcml_size = SZ_128K;
 	ulong addr;
+	int ret;
 
 	switch (core_id) {
 	case 0:
@@ -187,10 +188,12 @@ int arch_auxiliary_core_up(u32 core_id, ulong boot_private_data)
 
 	printf("Power on M4 and MU\n");
 
-	if (sc_pm_set_resource_power_mode(-1, core_rsrc, SC_PM_PW_MODE_ON) != SC_ERR_NONE)
-		return -EIO;
+	ret = sc_pm_set_resource_power_mode(-1, core_rsrc, SC_PM_PW_MODE_ON);
+	if (ret)
+		return ret;
 
-	if (sc_pm_set_resource_power_mode(-1, mu_rsrc, SC_PM_PW_MODE_ON) != SC_ERR_NONE)
+	ret = sc_pm_set_resource_power_mode(-1, mu_rsrc, SC_PM_PW_MODE_ON);
+	if (ret)
 		return -EIO;
 
 	printf("Copy M4 image from 0x%lx to TCML 0x%lx\n", addr, (ulong)tcml_addr);
@@ -199,7 +202,8 @@ int arch_auxiliary_core_up(u32 core_id, ulong boot_private_data)
 		memcpy((void *)tcml_addr, (void *)addr, tcml_size);
 
 	printf("Start M4 %u\n", core_id);
-	if (sc_pm_cpu_start(-1, core_rsrc, true, tcml_addr) != SC_ERR_NONE)
+	ret = sc_pm_cpu_start(-1, core_rsrc, true, tcml_addr);
+	if (ret)
 		return -EIO;
 
 	printf("bootaux complete\n");
@@ -242,20 +246,23 @@ int arch_auxiliary_core_up(u32 core_id, ulong boot_private_data)
 
 	printf("Power on aux core %d\n", core_id);
 
-	if (sc_pm_set_resource_power_mode(-1, core_rsrc, SC_PM_PW_MODE_ON) != SC_ERR_NONE)
-		return -EIO;
+	ret = sc_pm_set_resource_power_mode(-1, core_rsrc, SC_PM_PW_MODE_ON);
+	if (ret)
+		return ret;
 
 	if (mu_rsrc != SC_R_NONE) {
-		if (sc_pm_set_resource_power_mode(-1, mu_rsrc, SC_PM_PW_MODE_ON) != SC_ERR_NONE)
+		ret = sc_pm_set_resource_power_mode(-1, mu_rsrc, SC_PM_PW_MODE_ON);
+		if (ret)
 			return -EIO;
 	}
 
 	if (core_id == 1) {
 		struct power_domain pd;
 
-		if (sc_pm_clock_enable(-1, core_rsrc, SC_PM_CLK_PER, true, false) != SC_ERR_NONE) {
+		ret = sc_pm_clock_enable(-1, core_rsrc, SC_PM_CLK_PER, true, false)
+		if (ret) {
 			printf("Error enable clock\n");
-			return -EIO;
+			return ret;
 		}
 
 		if (!imx8_power_domain_lookup_name("audio_sai0", &pd)) {
@@ -286,8 +293,9 @@ int arch_auxiliary_core_up(u32 core_id, ulong boot_private_data)
 
 	printf("Start %s\n", core_id == 0 ? "M4" : "HIFI");
 
-	if (sc_pm_cpu_start(-1, core_rsrc, true, aux_core_ram) != SC_ERR_NONE)
-		return -EIO;
+	ret = sc_pm_cpu_start(-1, core_rsrc, true, aux_core_ram);
+	if (ret)
+		return ret;
 
 	printf("bootaux complete\n");
 	return 0;
@@ -313,7 +321,7 @@ int arch_auxiliary_core_check_up(u32 core_id)
 		return 0;
 	}
 
-	if (sc_pm_get_resource_power_mode(-1, core_rsrc, &power_mode) != SC_ERR_NONE)
+	if (sc_pm_get_resource_power_mode(-1, core_rsrc, &power_mode))
 		return 0;
 
 	if (power_mode != SC_PM_PW_MODE_OFF)
-- 
2.35.3