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path: root/drivers/mtd/chips/cfi_util.c
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Diffstat (limited to 'drivers/mtd/chips/cfi_util.c')
-rw-r--r--drivers/mtd/chips/cfi_util.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c
index 6f16552cd59f..ef0aa6890bc0 100644
--- a/drivers/mtd/chips/cfi_util.c
+++ b/drivers/mtd/chips/cfi_util.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Common Flash Interface support:
* Generic utility functions not dependent on command set
*
* Copyright (C) 2002 Red Hat
* Copyright (C) 2003 STMicroelectronics Limited
- *
- * This code is covered by the GPL.
*/
#include <linux/module.h>
@@ -26,7 +25,7 @@
void cfi_udelay(int us)
{
if (us >= 1000) {
- msleep((us+999)/1000);
+ msleep(DIV_ROUND_UP(us, 1000));
} else {
udelay(us);
cond_resched();
@@ -108,11 +107,14 @@ map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cfi_private *cfi
#if BITS_PER_LONG >= 64
case 8:
onecmd |= (onecmd << (chip_mode * 32));
+ fallthrough;
#endif
case 4:
onecmd |= (onecmd << (chip_mode * 16));
+ fallthrough;
case 2:
onecmd |= (onecmd << (chip_mode * 8));
+ fallthrough;
case 1:
;
}
@@ -161,11 +163,14 @@ unsigned long cfi_merge_status(map_word val, struct map_info *map,
#if BITS_PER_LONG >= 64
case 8:
res |= (onestat >> (chip_mode * 32));
+ fallthrough;
#endif
case 4:
res |= (onestat >> (chip_mode * 16));
+ fallthrough;
case 2:
res |= (onestat >> (chip_mode * 8));
+ fallthrough;
case 1:
;
}
@@ -436,4 +441,5 @@ int cfi_varsize_frob(struct mtd_info *mtd, varsize_frob_t frob,
EXPORT_SYMBOL(cfi_varsize_frob);
+MODULE_DESCRIPTION("Common Flash Interface Generic utility functions");
MODULE_LICENSE("GPL");