diff --git a/lib/librte_power/guest_channel.c b/lib/librte_power/guest_channel.c
index 0ee45bafd8..c17ea46b49 100644
--- a/lib/librte_power/guest_channel.c
+++ b/lib/librte_power/guest_channel.c
@@ -22,7 +22,7 @@
 static int global_fds[RTE_MAX_LCORE];
 
 int
-guest_channel_host_connect(const char *path, unsigned lcore_id)
+guest_channel_host_connect(const char *path, unsigned int lcore_id)
 {
 	int flags, ret;
 	struct channel_packet pkt;
@@ -89,7 +89,7 @@ guest_channel_host_connect(const char *path, unsigned lcore_id)
 }
 
 int
-guest_channel_send_msg(struct channel_packet *pkt, unsigned lcore_id)
+guest_channel_send_msg(struct channel_packet *pkt, unsigned int lcore_id)
 {
 	int ret, buffer_len = sizeof(*pkt);
 	void *buffer = pkt;
@@ -127,7 +127,7 @@ int rte_power_guest_channel_send_msg(struct channel_packet *pkt,
 
 
 void
-guest_channel_host_disconnect(unsigned lcore_id)
+guest_channel_host_disconnect(unsigned int lcore_id)
 {
 	if (lcore_id >= RTE_MAX_LCORE) {
 		RTE_LOG(ERR, GUEST_CHANNEL, "Channel(%u) is out of range 0...%d\n",
diff --git a/lib/librte_power/guest_channel.h b/lib/librte_power/guest_channel.h
index 8ea19b5921..373d398984 100644
--- a/lib/librte_power/guest_channel.h
+++ b/lib/librte_power/guest_channel.h
@@ -24,7 +24,7 @@ extern "C" {
  *  - 0 on success.
  *  - Negative on error.
  */
-int guest_channel_host_connect(const char *path, unsigned lcore_id);
+int guest_channel_host_connect(const char *path, unsigned int lcore_id);
 
 /**
  * Disconnect from an already connected Virtio-Serial Endpoint.
@@ -34,7 +34,7 @@ int guest_channel_host_connect(const char *path, unsigned lcore_id);
  *  lcore_id.
  *
  */
-void guest_channel_host_disconnect(unsigned lcore_id);
+void guest_channel_host_disconnect(unsigned int lcore_id);
 
 /**
  * Send a message contained in pkt over the Virtio-Serial to the host endpoint.
@@ -50,7 +50,7 @@ void guest_channel_host_disconnect(unsigned lcore_id);
  *  - Negative on channel not connected.
  *  - errno on write to channel error.
  */
-int guest_channel_send_msg(struct channel_packet *pkt, unsigned lcore_id);
+int guest_channel_send_msg(struct channel_packet *pkt, unsigned int lcore_id);
 
 /**
  * Send a message contained in pkt over the Virtio-Serial to the host endpoint.
diff --git a/lib/librte_power/rte_power.c b/lib/librte_power/rte_power.c
index d8a12c2c0a..1e6c842f70 100644
--- a/lib/librte_power/rte_power.c
+++ b/lib/librte_power/rte_power.c
@@ -77,7 +77,7 @@ rte_power_get_env(void) {
 }
 
 int
-rte_power_init(unsigned lcore_id)
+rte_power_init(unsigned int lcore_id)
 {
 	int ret = -1;
 
@@ -109,7 +109,7 @@ rte_power_init(unsigned lcore_id)
 }
 
 int
-rte_power_exit(unsigned lcore_id)
+rte_power_exit(unsigned int lcore_id)
 {
 	if (global_default_env == PM_ENV_ACPI_CPUFREQ)
 		return rte_power_acpi_cpufreq_exit(lcore_id);
diff --git a/lib/librte_power/rte_power.h b/lib/librte_power/rte_power.h
index 0b329e1ce5..b4b7357b8f 100644
--- a/lib/librte_power/rte_power.h
+++ b/lib/librte_power/rte_power.h
@@ -62,7 +62,7 @@ enum power_management_env rte_power_get_env(void);
  *  - 0 on success.
  *  - Negative on error.
  */
-int rte_power_init(unsigned lcore_id);
+int rte_power_init(unsigned int lcore_id);
 
 /**
  * Exit power management on a specific lcore. This will call the environment
@@ -75,7 +75,7 @@ int rte_power_init(unsigned lcore_id);
  *  - 0 on success.
  *  - Negative on error.
  */
-int rte_power_exit(unsigned lcore_id);
+int rte_power_exit(unsigned int lcore_id);
 
 /**
  * Get the available frequencies of a specific lcore.
@@ -92,7 +92,7 @@ int rte_power_exit(unsigned lcore_id);
  * @return
  *  The number of available frequencies.
  */
-typedef uint32_t (*rte_power_freqs_t)(unsigned lcore_id, uint32_t *freqs,
+typedef uint32_t (*rte_power_freqs_t)(unsigned int lcore_id, uint32_t *freqs,
 		uint32_t num);
 
 extern rte_power_freqs_t rte_power_freqs;
@@ -108,7 +108,7 @@ extern rte_power_freqs_t rte_power_freqs;
  * @return
  *  The current index of available frequencies.
  */
-typedef uint32_t (*rte_power_get_freq_t)(unsigned lcore_id);
+typedef uint32_t (*rte_power_get_freq_t)(unsigned int lcore_id);
 
 extern rte_power_get_freq_t rte_power_get_freq;
 
@@ -128,7 +128,7 @@ extern rte_power_get_freq_t rte_power_get_freq;
  *  - 0 on success without frequency changed.
  *  - Negative on error.
  */
-typedef int (*rte_power_set_freq_t)(unsigned lcore_id, uint32_t index);
+typedef int (*rte_power_set_freq_t)(unsigned int lcore_id, uint32_t index);
 
 extern rte_power_set_freq_t rte_power_set_freq;
 
@@ -144,7 +144,7 @@ extern rte_power_set_freq_t rte_power_set_freq;
  *  - 0 on success without frequency changed.
  *  - Negative on error.
  */
-typedef int (*rte_power_freq_change_t)(unsigned lcore_id);
+typedef int (*rte_power_freq_change_t)(unsigned int lcore_id);
 
 /**
  * Scale up the frequency of a specific lcore according to the available
diff --git a/lib/librte_power/rte_power_acpi_cpufreq.c b/lib/librte_power/rte_power_acpi_cpufreq.c
index 39e42be818..d31ca3c8d0 100644
--- a/lib/librte_power/rte_power_acpi_cpufreq.c
+++ b/lib/librte_power/rte_power_acpi_cpufreq.c
@@ -77,7 +77,7 @@ enum power_state {
  * Power info per lcore.
  */
 struct rte_power_info {
-	unsigned lcore_id;                   /**< Logical core id */
+	unsigned int lcore_id;                   /**< Logical core id */
 	uint32_t freqs[RTE_MAX_LCORE_FREQS]; /**< Frequency array */
 	uint32_t nb_freqs;                   /**< number of available freqs */
 	FILE *f;                             /**< FD of scaling_setspeed */
@@ -282,7 +282,7 @@ power_init_for_setting_freq(struct rte_power_info *pi)
 }
 
 int
-rte_power_acpi_cpufreq_init(unsigned lcore_id)
+rte_power_acpi_cpufreq_init(unsigned int lcore_id)
 {
 	struct rte_power_info *pi;
 
@@ -390,7 +390,7 @@ power_set_governor_original(struct rte_power_info *pi)
 }
 
 int
-rte_power_acpi_cpufreq_exit(unsigned lcore_id)
+rte_power_acpi_cpufreq_exit(unsigned int lcore_id)
 {
 	struct rte_power_info *pi;
 
@@ -452,7 +452,7 @@ rte_power_acpi_cpufreq_freqs(unsigned lcore_id, uint32_t *freqs, uint32_t num)
 }
 
 uint32_t
-rte_power_acpi_cpufreq_get_freq(unsigned lcore_id)
+rte_power_acpi_cpufreq_get_freq(unsigned int lcore_id)
 {
 	if (lcore_id >= RTE_MAX_LCORE) {
 		RTE_LOG(ERR, POWER, "Invalid lcore ID\n");
@@ -474,7 +474,7 @@ rte_power_acpi_cpufreq_set_freq(unsigned lcore_id, uint32_t index)
 }
 
 int
-rte_power_acpi_cpufreq_freq_down(unsigned lcore_id)
+rte_power_acpi_cpufreq_freq_down(unsigned int lcore_id)
 {
 	struct rte_power_info *pi;
 
@@ -492,7 +492,7 @@ rte_power_acpi_cpufreq_freq_down(unsigned lcore_id)
 }
 
 int
-rte_power_acpi_cpufreq_freq_up(unsigned lcore_id)
+rte_power_acpi_cpufreq_freq_up(unsigned int lcore_id)
 {
 	struct rte_power_info *pi;
 
@@ -510,7 +510,7 @@ rte_power_acpi_cpufreq_freq_up(unsigned lcore_id)
 }
 
 int
-rte_power_acpi_cpufreq_freq_max(unsigned lcore_id)
+rte_power_acpi_cpufreq_freq_max(unsigned int lcore_id)
 {
 	if (lcore_id >= RTE_MAX_LCORE) {
 		RTE_LOG(ERR, POWER, "Invalid lcore ID\n");
@@ -532,7 +532,7 @@ rte_power_acpi_cpufreq_freq_max(unsigned lcore_id)
 }
 
 int
-rte_power_acpi_cpufreq_freq_min(unsigned lcore_id)
+rte_power_acpi_cpufreq_freq_min(unsigned int lcore_id)
 {
 	struct rte_power_info *pi;
 
diff --git a/lib/librte_power/rte_power_kvm_vm.c b/lib/librte_power/rte_power_kvm_vm.c
index 968a2e9c43..fa85226eac 100644
--- a/lib/librte_power/rte_power_kvm_vm.c
+++ b/lib/librte_power/rte_power_kvm_vm.c
@@ -17,7 +17,7 @@ static struct channel_packet pkt[CHANNEL_CMDS_MAX_VM_CHANNELS];
 
 
 int
-rte_power_kvm_vm_init(unsigned lcore_id)
+rte_power_kvm_vm_init(unsigned int lcore_id)
 {
 	if (lcore_id >= CHANNEL_CMDS_MAX_VM_CHANNELS) {
 		RTE_LOG(ERR, POWER, "Core(%u) is out of range 0...%d\n",
@@ -30,14 +30,14 @@ rte_power_kvm_vm_init(unsigned lcore_id)
 }
 
 int
-rte_power_kvm_vm_exit(unsigned lcore_id)
+rte_power_kvm_vm_exit(unsigned int lcore_id)
 {
 	guest_channel_host_disconnect(lcore_id);
 	return 0;
 }
 
 uint32_t
-rte_power_kvm_vm_freqs(__attribute__((unused)) unsigned lcore_id,
+rte_power_kvm_vm_freqs(__attribute__((unused)) unsigned int lcore_id,
 		__attribute__((unused)) uint32_t *freqs,
 		__attribute__((unused)) uint32_t num)
 {
@@ -47,7 +47,7 @@ rte_power_kvm_vm_freqs(__attribute__((unused)) unsigned lcore_id,
 }
 
 uint32_t
-rte_power_kvm_vm_get_freq(__attribute__((unused)) unsigned lcore_id)
+rte_power_kvm_vm_get_freq(__attribute__((unused)) unsigned int lcore_id)
 {
 	RTE_LOG(ERR, POWER, "rte_power_get_freq is not implemented "
 			"for Virtual Machine Power Management\n");
@@ -55,7 +55,7 @@ rte_power_kvm_vm_get_freq(__attribute__((unused)) unsigned lcore_id)
 }
 
 int
-rte_power_kvm_vm_set_freq(__attribute__((unused)) unsigned lcore_id,
+rte_power_kvm_vm_set_freq(__attribute__((unused)) unsigned int lcore_id,
 		__attribute__((unused)) uint32_t index)
 {
 	RTE_LOG(ERR, POWER, "rte_power_set_freq is not implemented "
@@ -64,7 +64,7 @@ rte_power_kvm_vm_set_freq(__attribute__((unused)) unsigned lcore_id,
 }
 
 static inline int
-send_msg(unsigned lcore_id, uint32_t scale_direction)
+send_msg(unsigned int lcore_id, uint32_t scale_direction)
 {
 	int ret;
 
@@ -83,25 +83,25 @@ send_msg(unsigned lcore_id, uint32_t scale_direction)
 }
 
 int
-rte_power_kvm_vm_freq_up(unsigned lcore_id)
+rte_power_kvm_vm_freq_up(unsigned int lcore_id)
 {
 	return send_msg(lcore_id, CPU_POWER_SCALE_UP);
 }
 
 int
-rte_power_kvm_vm_freq_down(unsigned lcore_id)
+rte_power_kvm_vm_freq_down(unsigned int lcore_id)
 {
 	return send_msg(lcore_id, CPU_POWER_SCALE_DOWN);
 }
 
 int
-rte_power_kvm_vm_freq_max(unsigned lcore_id)
+rte_power_kvm_vm_freq_max(unsigned int lcore_id)
 {
 	return send_msg(lcore_id, CPU_POWER_SCALE_MAX);
 }
 
 int
-rte_power_kvm_vm_freq_min(unsigned lcore_id)
+rte_power_kvm_vm_freq_min(unsigned int lcore_id)
 {
 	return send_msg(lcore_id, CPU_POWER_SCALE_MIN);
 }
diff --git a/lib/librte_power/rte_power_kvm_vm.h b/lib/librte_power/rte_power_kvm_vm.h
index 62b3bdff3c..3d50c97f08 100644
--- a/lib/librte_power/rte_power_kvm_vm.h
+++ b/lib/librte_power/rte_power_kvm_vm.h
@@ -29,7 +29,7 @@ extern "C" {
  *  - 0 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_init(unsigned lcore_id);
+int rte_power_kvm_vm_init(unsigned int lcore_id);
 
 /**
  * Exit power management on a specific lcore.
@@ -41,7 +41,7 @@ int rte_power_kvm_vm_init(unsigned lcore_id);
  *  - 0 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_exit(unsigned lcore_id);
+int rte_power_kvm_vm_exit(unsigned int lcore_id);
 
 /**
  * Get the available frequencies of a specific lcore.
@@ -57,7 +57,7 @@ int rte_power_kvm_vm_exit(unsigned lcore_id);
  * @return
  *  -ENOTSUP
  */
-uint32_t rte_power_kvm_vm_freqs(unsigned lcore_id, uint32_t *freqs,
+uint32_t rte_power_kvm_vm_freqs(unsigned int lcore_id, uint32_t *freqs,
 		uint32_t num);
 
 /**
@@ -70,7 +70,7 @@ uint32_t rte_power_kvm_vm_freqs(unsigned lcore_id, uint32_t *freqs,
  * @return
  *  -ENOTSUP
  */
-uint32_t rte_power_kvm_vm_get_freq(unsigned lcore_id);
+uint32_t rte_power_kvm_vm_get_freq(unsigned int lcore_id);
 
 /**
  * Set the new frequency for a specific lcore by indicating the index of
@@ -85,7 +85,7 @@ uint32_t rte_power_kvm_vm_get_freq(unsigned lcore_id);
  * @return
  *  -ENOTSUP
  */
-int rte_power_kvm_vm_set_freq(unsigned lcore_id, uint32_t index);
+int rte_power_kvm_vm_set_freq(unsigned int lcore_id, uint32_t index);
 
 /**
  * Scale up the frequency of a specific lcore. This request is forwarded to the
@@ -99,7 +99,7 @@ int rte_power_kvm_vm_set_freq(unsigned lcore_id, uint32_t index);
  *  - 1 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_freq_up(unsigned lcore_id);
+int rte_power_kvm_vm_freq_up(unsigned int lcore_id);
 
 /**
  * Scale down the frequency of a specific lcore according to the available
@@ -113,7 +113,7 @@ int rte_power_kvm_vm_freq_up(unsigned lcore_id);
  *  - 1 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_freq_down(unsigned lcore_id);
+int rte_power_kvm_vm_freq_down(unsigned int lcore_id);
 
 /**
  * Scale up the frequency of a specific lcore to the highest according to the
@@ -127,7 +127,7 @@ int rte_power_kvm_vm_freq_down(unsigned lcore_id);
  *  - 1 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_freq_max(unsigned lcore_id);
+int rte_power_kvm_vm_freq_max(unsigned int lcore_id);
 
 /**
  * Scale down the frequency of a specific lcore to the lowest according to the
@@ -141,7 +141,7 @@ int rte_power_kvm_vm_freq_max(unsigned lcore_id);
  *  - 1 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_freq_min(unsigned lcore_id);
+int rte_power_kvm_vm_freq_min(unsigned int lcore_id);
 
 /**
  * It should be protected outside of this function for threadsafe.