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From: =?iso-8859-1?q?Sanju=E1n_Garc=EDa=2C_Jorge?=
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To: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>
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Subject: [PATCH] 8250_men_mcb: remove unnecessary cast when reading register
Thread-Topic: [PATCH] 8250_men_mcb: remove unnecessary cast when reading
register
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Date: Thu, 3 Aug 2023 09:59:07 +0000
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8250_men_mcb: remove unnecessary cast when reading register
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Commit Message
Sanjuán García, Jorge
Aug. 3, 2023, 9:59 a.m. UTC
Fixes following sparse warning:
drivers/tty/serial/8250/8250_men_mcb.c:92:21: sparse: cast removes
address space '__iomem' of expression
drivers/tty/serial/8250/8250_men_mcb.c:92:21: sparse: incorrect type
in argument 1 (different address spaces) expected void const volatile
[noderef] __iomem *addr got void *
Fixes: 2554e6ba28a2 ("8250_men_mcb: Read num ports from register data.")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202307261517.x1O9OAkd-lkp@intel.com/
Signed-off-by: Jorge Sanjuan Garcia <jorge.sanjuangarcia@duagon.com>
---
drivers/tty/serial/8250/8250_men_mcb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/8250/8250_men_mcb.c b/drivers/tty/serial/8250/8250_men_mcb.c index 5f301195575d..72f9ee5dd274 100644 --- a/drivers/tty/serial/8250/8250_men_mcb.c +++ b/drivers/tty/serial/8250/8250_men_mcb.c @@ -40,7 +40,7 @@ #define MEN_UART3_OFFSET (MEN_UART2_OFFSET + MEN_UART_MEM_SIZE) #define MEN_UART4_OFFSET (MEN_UART3_OFFSET + MEN_UART_MEM_SIZE) -#define MEN_READ_REGISTER(addr) readb((void *)addr) +#define MEN_READ_REGISTER(addr) readb(addr) #define MAX_PORTS 4