Use 1U for bit operations on 32-bit registers.

Proposed by dlg@

diff --git a/sys/dev/ic/ufshci.c b/sys/dev/ic/ufshci.c
index ebca598..a6363ed 100644 (file)
--- a/sys/dev/ic/ufshci.c
+++ b/sys/dev/ic/ufshci.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: ufshci.c,v 1.14 2024/05/09 08:12:22 mglocker Exp $ */
+/*     $OpenBSD: ufshci.c,v 1.15 2024/05/09 08:13:57 mglocker Exp $ */
 
 /*
  * Copyright (c) 2022 Marcus Glocker <mglocker@openbsd.org>
@@ -451,7 +451,7 @@ ufshci_doorbell_write(struct ufshci_softc *sc, int slot)
 {
        uint32_t reg;
 
-       reg = (1 << slot);
+       reg = (1U << slot);
 
        UFSHCI_WRITE_4(sc, UFSHCI_REG_UTRLDBR, reg);
 }
@@ -466,7 +466,7 @@ ufshci_doorbell_poll(struct ufshci_softc *sc, int slot)
 
        for (i = 0; i < retry; i++) {
                reg = UFSHCI_READ_4(sc, UFSHCI_REG_UTRLDBR);
-               if ((reg & (1 << slot)) == 0)
+               if ((reg & (1U << slot)) == 0)
                        break;
                delay(10);
        }