iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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>
This commit is contained in:
Ben Dooks 2016-06-07 17:49:09 +01:00 committed by Tejun Heo
parent f52a4c74ef
commit 76bf3441ad
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/ata/sata_mv.c
View File

@ -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) {