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m68k updates for v5.15 (take two)

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- Warning fixes to mitigate CONFIG_WERROR=y.
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Merge tag 'm68k-for-v5.15-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

Pull m68k fixes from Geert Uytterhoeven:

 - Warning fixes to mitigate CONFIG_WERROR=y

* tag 'm68k-for-v5.15-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: mvme: Remove overdue #warnings in RTC handling
  m68k: Double cast io functions to unsigned long
This commit is contained in:
Linus Torvalds 2021-09-16 10:26:48 -07:00
commit 077a6ccf25
3 changed files with 16 additions and 12 deletions
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20
arch/m68k/include/asm/raw_io.h
View File

@ -17,21 +17,21 @@
* two accesses to memory, which may be undesirable for some devices.
*/
#define in_8(addr) \
({ u8 __v = (*(__force volatile u8 *) (addr)); __v; })
({ u8 __v = (*(__force volatile u8 *) (unsigned long)(addr)); __v; })
#define in_be16(addr) \
({ u16 __v = (*(__force volatile u16 *) (addr)); __v; })
({ u16 __v = (*(__force volatile u16 *) (unsigned long)(addr)); __v; })
#define in_be32(addr) \
({ u32 __v = (*(__force volatile u32 *) (addr)); __v; })
({ u32 __v = (*(__force volatile u32 *) (unsigned long)(addr)); __v; })
#define in_le16(addr) \
({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (addr)); __v; })
({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (unsigned long)(addr)); __v; })
#define in_le32(addr) \
({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (addr)); __v; })
({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (unsigned long)(addr)); __v; })
#define out_8(addr,b) (void)((*(__force volatile u8 *) (addr)) = (b))
#define out_be16(addr,w) (void)((*(__force volatile u16 *) (addr)) = (w))
#define out_be32(addr,l) (void)((*(__force volatile u32 *) (addr)) = (l))
#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (addr)) = cpu_to_le16(w))
#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (addr)) = cpu_to_le32(l))
#define out_8(addr,b) (void)((*(__force volatile u8 *) (unsigned long)(addr)) = (b))
#define out_be16(addr,w) (void)((*(__force volatile u16 *) (unsigned long)(addr)) = (w))
#define out_be32(addr,l) (void)((*(__force volatile u32 *) (unsigned long)(addr)) = (l))
#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (unsigned long)(addr)) = cpu_to_le16(w))
#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (unsigned long)(addr)) = cpu_to_le32(l))
#define raw_inb in_8
#define raw_inw in_be16

4
arch/m68k/mvme147/config.c
View File

@ -171,7 +171,6 @@ static int bcd2int (unsigned char b)
int mvme147_hwclk(int op, struct rtc_time *t)
{
#warning check me!
if (!op) {
m147_rtc->ctrl = RTC_READ;
t->tm_year = bcd2int (m147_rtc->bcd_year);
@ -183,6 +182,9 @@ int mvme147_hwclk(int op, struct rtc_time *t)
m147_rtc->ctrl = 0;
if (t->tm_year < 70)
t->tm_year += 100;
} else {
/* FIXME Setting the time is not yet supported */
return -EOPNOTSUPP;
}
return 0;
}

4
arch/m68k/mvme16x/config.c
View File

@ -436,7 +436,6 @@ int bcd2int (unsigned char b)
int mvme16x_hwclk(int op, struct rtc_time *t)
{
#warning check me!
if (!op) {
rtc->ctrl = RTC_READ;
t->tm_year = bcd2int (rtc->bcd_year);
@ -448,6 +447,9 @@ int mvme16x_hwclk(int op, struct rtc_time *t)
rtc->ctrl = 0;
if (t->tm_year < 70)
t->tm_year += 100;
} else {
/* FIXME Setting the time is not yet supported */
return -EOPNOTSUPP;
}
return 0;
}