[v10,08/15] memory: tegra20-emc: wait_for_completion_timeout() doesn't return error
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Message ID 20190811210043.20122-9-digetx@gmail.com
State New
Headers show
Series
  • memory: tegra: Introduce Tegra30 EMC driver
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Commit Message

Dmitry Osipenko Aug. 11, 2019, 9 p.m. UTC
The "interruptible" variant may error out, the "uninterruptible" not.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
 drivers/memory/tegra/tegra20-emc.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

Patch
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diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c
index da75efc632c7..1b23b1c34476 100644
--- a/drivers/memory/tegra/tegra20-emc.c
+++ b/drivers/memory/tegra/tegra20-emc.c
@@ -224,7 +224,7 @@  static int emc_prepare_timing_change(struct tegra_emc *emc, unsigned long rate)
 
 static int emc_complete_timing_change(struct tegra_emc *emc, bool flush)
 {
-	long timeout;
+	unsigned long timeout;
 
 	dev_dbg(emc->dev, "%s: flush %d\n", __func__, flush);
 
@@ -240,10 +240,6 @@  static int emc_complete_timing_change(struct tegra_emc *emc, bool flush)
 	if (timeout == 0) {
 		dev_err(emc->dev, "EMC-CAR handshake failed\n");
 		return -EIO;
-	} else if (timeout < 0) {
-		dev_err(emc->dev, "failed to wait for EMC-CAR handshake: %ld\n",
-			timeout);
-		return timeout;
 	}
 
 	return 0;