gpu: host1x: Consistently use unsigned int for counts

The number of channels, syncpoints, bases and mlocks can never be
negative, so use unsigned int instead of int. Also make loop variables
the same type for consistency.

Signed-off-by: Thierry Reding <treding@nvidia.com>

4 files changed, 14 insertions, 11 deletions

diff --git a/drivers/gpu/host1x/hw/cdma_hw.c b/drivers/gpu/host1x/hw/cdma_hw.c
index 305ea8f3382d..233246e1235a 100644
--- a/drivers/gpu/host1x/hw/cdma_hw.c
+++ b/drivers/gpu/host1x/hw/cdma_hw.c
@@ -41,7 +41,7 @@ static void cdma_timeout_cpu_incr(struct host1x_cdma *cdma, u32 getptr,
 {
 	struct host1x *host1x = cdma_to_host1x(cdma);
 	struct push_buffer *pb = &cdma->push_buffer;
-	u32 i;
+	unsigned int i;
 
 	for (i = 0; i < syncpt_incrs; i++)
 		host1x_syncpt_incr(cdma->timeout.syncpt);
diff --git a/drivers/gpu/host1x/hw/debug_hw.c b/drivers/gpu/host1x/hw/debug_hw.c
index cc3f1825c735..81e94fef5e42 100644
--- a/drivers/gpu/host1x/hw/debug_hw.c
+++ b/drivers/gpu/host1x/hw/debug_hw.c
@@ -143,7 +143,8 @@ static void show_channel_gathers(struct output *o, struct host1x_cdma *cdma)
 	struct host1x_job *job;
 
 	list_for_each_entry(job, &cdma->sync_queue, list) {
-		int i;
+		unsigned int i;
+
 		host1x_debug_output(o, "\n%p: JOB, syncpt_id=%d, syncpt_val=%d, first_get=%08x, timeout=%d num_slots=%d, num_handles=%d\n",
 				    job, job->syncpt_id, job->syncpt_end,
 				    job->first_get, job->timeout,
@@ -290,19 +291,19 @@ static void host1x_debug_show_channel_fifo(struct host1x *host,
 
 static void host1x_debug_show_mlocks(struct host1x *host, struct output *o)
 {
-	int i;
+	unsigned int i;
 
 	host1x_debug_output(o, "---- mlocks ----\n");
 	for (i = 0; i < host1x_syncpt_nb_mlocks(host); i++) {
 		u32 owner =
 			host1x_sync_readl(host, HOST1X_SYNC_MLOCK_OWNER(i));
 		if (HOST1X_SYNC_MLOCK_OWNER_CH_OWNS_V(owner))
-			host1x_debug_output(o, "%d: locked by channel %d\n",
+			host1x_debug_output(o, "%u: locked by channel %u\n",
 				i, HOST1X_SYNC_MLOCK_OWNER_CHID_V(owner));
 		else if (HOST1X_SYNC_MLOCK_OWNER_CPU_OWNS_V(owner))
-			host1x_debug_output(o, "%d: locked by cpu\n", i);
+			host1x_debug_output(o, "%u: locked by cpu\n", i);
 		else
-			host1x_debug_output(o, "%d: unlocked\n", i);
+			host1x_debug_output(o, "%u: unlocked\n", i);
 	}
 	host1x_debug_output(o, "\n");
 }
diff --git a/drivers/gpu/host1x/hw/intr_hw.c b/drivers/gpu/host1x/hw/intr_hw.c
index 10f81687b566..cf49d72fb172 100644
--- a/drivers/gpu/host1x/hw/intr_hw.c
+++ b/drivers/gpu/host1x/hw/intr_hw.c
@@ -45,7 +45,7 @@ static irqreturn_t syncpt_thresh_isr(int irq, void *dev_id)
 {
 	struct host1x *host = dev_id;
 	unsigned long reg;
-	int i, id;
+	unsigned int i, id;
 
 	for (i = 0; i < DIV_ROUND_UP(host->info->nb_pts, 32); i++) {
 		reg = host1x_sync_readl(host,
@@ -62,7 +62,7 @@ static irqreturn_t syncpt_thresh_isr(int irq, void *dev_id)
 
 static void _host1x_intr_disable_all_syncpt_intrs(struct host1x *host)
 {
-	u32 i;
+	unsigned int i;
 
 	for (i = 0; i < DIV_ROUND_UP(host->info->nb_pts, 32); ++i) {
 		host1x_sync_writel(host, 0xffffffffu,
@@ -75,7 +75,8 @@ static void _host1x_intr_disable_all_syncpt_intrs(struct host1x *host)
 static int _host1x_intr_init_host_sync(struct host1x *host, u32 cpm,
 	void (*syncpt_thresh_work)(struct work_struct *))
 {
-	int i, err;
+	unsigned int i;
+	int err;
 
 	host1x_hw_intr_disable_all_syncpt_intrs(host);
 
@@ -127,7 +128,7 @@ static void _host1x_intr_disable_syncpt_intr(struct host1x *host, u32 id)
 
 static int _host1x_free_syncpt_irq(struct host1x *host)
 {
-	int i;
+	unsigned int i;
 
 	devm_free_irq(host->dev, host->intr_syncpt_irq, host);
 
diff --git a/drivers/gpu/host1x/hw/syncpt_hw.c b/drivers/gpu/host1x/hw/syncpt_hw.c
index 56e85395ac24..b60a4b97e4a8 100644
--- a/drivers/gpu/host1x/hw/syncpt_hw.c
+++ b/drivers/gpu/host1x/hw/syncpt_hw.c
@@ -26,8 +26,9 @@
  */
 static void syncpt_restore(struct host1x_syncpt *sp)
 {
+	u32 min = host1x_syncpt_read_min(sp);
 	struct host1x *host = sp->host;
-	int min = host1x_syncpt_read_min(sp);
+
 	host1x_sync_writel(host, min, HOST1X_SYNC_SYNCPT(sp->id));
 }