Commit 76bf3441 authored Jun 07, 2016 by Ben Dooks Committed by Tejun Heo Jun 17, 2016

ata: sata_mv: fix mis-conversion in mv_write_cached_reg()

Fix the signed issue in mv_write_cached_reg() where the laddr
is assigned from a (long)addr instead of (unsigned long)addr.

Fixes the following warnings:

drivers/ata/sata_mv.c:989:26: warning: cast removes address space of expression
drivers/ata/sata_mv.c:989:26: warning: cast removes address space of expression
drivers/ata/sata_mv.c:989:26: warning: cast removes address space of expression
drivers/ata/sata_mv.c:989:26: warning: cast removes address space of expression

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Tejun Heo <tj@kernel.org>

parent f52a4c74

drivers/ata/sata_mv.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -986,7 +986,7 @@ static inline void mv_write_cached_reg(void __iomem addr, u32 old, u32 new)
		* Looks like a lot of fuss, but it avoids an unnecessary
		* +1 usec read-after-write delay for unaffected registers.
		*/
		laddr = (long)addr & 0xffff;
		laddr = (unsigned long)addr & 0xffff;
		if (laddr >= 0x300 && laddr <= 0x33c) {
		laddr &= 0x000f;
		if (laddr == 0x4 \|\| laddr == 0xc) {