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-rw-r--r--drivers/char/hw_random/imx-rngc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/hw_random/imx-rngc.c b/drivers/char/hw_random/imx-rngc.c
index cf29c323453a..b5f7b91bd13e 100644
--- a/drivers/char/hw_random/imx-rngc.c
+++ b/drivers/char/hw_random/imx-rngc.c
@@ -27,7 +27,7 @@
#define RNGC_FIFO 0x0014
/* the fields in the ver id register */
-#define RNGC_TYPE_SHIFT 28
+#define RNG_TYPE GENMASK(31, 28)
#define RNGC_VER_MAJ_SHIFT 8
/* the rng_type field */
@@ -251,7 +251,7 @@ static int imx_rngc_probe(struct platform_device *pdev)
return irq;
ver_id = readl(rngc->base + RNGC_VER_ID);
- rng_type = ver_id >> RNGC_TYPE_SHIFT;
+ rng_type = FIELD_GET(RNG_TYPE, ver_id);
/*
* This driver supports only RNGC and RNGB. (There's a different
* driver for RNGA.)