From: Alan Cox <alan@linux.intel.com>
Date: Mon, 12 Oct 2009 14:38:26 +0000 (+0100)
Subject: Staging: et131x: Fix the add_10bit macro
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=317c68c04d53198f38314d29ba28b8fc632eccab;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

Staging: et131x: Fix the add_10bit macro

Duh.. we need to preserve the wrap bit when adding.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/et131x/et1310_address_map.h b/drivers/staging/et131x/et1310_address_map.h
index 6294d3814e72..2c3d65a622a7 100644
--- a/drivers/staging/et131x/et1310_address_map.h
+++ b/drivers/staging/et131x/et1310_address_map.h
@@ -223,7 +223,7 @@ typedef union _TXDMA_PR_NUM_DES_t {
 
 extern inline void add_10bit(u32 *v, int n)
 {
-	*v = INDEX10(*v + n);
+	*v = INDEX10(*v + n) | (*v & ET_DMA10_WRAP);
 }
 
 /*