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isdn: sc: work around type mismatch warning

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This driver shows warnings on many architectures:

drivers/isdn/sc/init.c: In function 'identify_board':
drivers/isdn/sc/init.c:484:2: error: passing argument 1 of 'readl' makes pointer from integer without a cast [-Werror]

In newer kernels, it was completely removed, but for the 4.4-stable
series, let's just shut up that warning by adding an extra variable
to do the necessary type cast.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arnd Bergmann 2018-02-20 12:54:51 +01:00 committed by Greg Kroah-Hartman
parent e8988dbe21
commit 9e9c3045bb
1 changed files with 4 additions and 3 deletions
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7
drivers/isdn/sc/init.c
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@ -441,6 +441,7 @@ static int identify_board(unsigned long rambase, unsigned int iobase)
RspMessage rcvmsg;
ReqMessage sndmsg;
HWConfig_pl hwci;
void __iomem *rambase_sig = (void __iomem *)rambase + SIG_OFFSET;
int x;
pr_debug("Attempting to identify adapter @ 0x%lx io 0x%x\n",
@ -481,7 +482,7 @@ static int identify_board(unsigned long rambase, unsigned int iobase)
*/
outb(PRI_BASEPG_VAL, pgport);
msleep_interruptible(1000);
sig = readl(rambase + SIG_OFFSET);
sig = readl(rambase_sig);
pr_debug("Looking for a signature, got 0x%lx\n", sig);
if (sig == SIGNATURE)
return PRI_BOARD;
@ -491,7 +492,7 @@ static int identify_board(unsigned long rambase, unsigned int iobase)
*/
outb(BRI_BASEPG_VAL, pgport);
msleep_interruptible(1000);
sig = readl(rambase + SIG_OFFSET);
sig = readl(rambase_sig);
pr_debug("Looking for a signature, got 0x%lx\n", sig);
if (sig == SIGNATURE)
return BRI_BOARD;
@ -501,7 +502,7 @@ static int identify_board(unsigned long rambase, unsigned int iobase)
/*
* Try to spot a card
*/
sig = readl(rambase + SIG_OFFSET);
sig = readl(rambase_sig);
pr_debug("Looking for a signature, got 0x%lx\n", sig);
if (sig != SIGNATURE)
return -1;