Merge tag 'sti-dt-fixes-for-v4.8-rcs' of git://git.kernel.org/pub/scm/linux/kernel...

[cascardo/linux.git] / drivers / acpi / nfit / core.c

diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 8c234dd..80cc7c0 100644 (file)
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1527,11 +1527,12 @@ static u32 read_blk_stat(struct nfit_blk *nfit_blk, unsigned int bw)
 {
        struct nfit_blk_mmio *mmio = &nfit_blk->mmio[DCR];
        u64 offset = nfit_blk->stat_offset + mmio->size * bw;
+       const u32 STATUS_MASK = 0x80000037;
 
        if (mmio->num_lines)
                offset = to_interleave_offset(offset, mmio);
 
-       return readl(mmio->addr.base + offset);
+       return readl(mmio->addr.base + offset) & STATUS_MASK;
 }
 
 static void write_blk_ctl(struct nfit_blk *nfit_blk, unsigned int bw,