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authorJiri Kosina <jkosina@suse.cz>2018-11-06 13:57:02 +0100
committerJiri Kosina <jkosina@suse.cz>2018-11-06 13:57:02 +0100
commit0c7244209588630a9b45e52490ef1390e04499a6 (patch)
treed60f5610f9b36ff05ed5202396c811628bacdb61 /drivers/tc/tc.c
parent399474e4c1100bca264ed14fa3ad0d68fab484d8 (diff)
parenteb7046e9bf466cebfcfbcdf640e41d9e3a80086c (diff)
downloadtalos-op-linux-0c7244209588630a9b45e52490ef1390e04499a6.tar.gz
talos-op-linux-0c7244209588630a9b45e52490ef1390e04499a6.zip
Merge branch 'master' into for-4.20/upstream-fixes
Pull in a merge commit that brought in 3b692c55e58d ("HID: asus: only support backlight when it's not driven by WMI") so that fixup could be applied on top of it.
Diffstat (limited to 'drivers/tc/tc.c')
-rw-r--r--drivers/tc/tc.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/tc/tc.c b/drivers/tc/tc.c
index 3be9519654e5..cf3fad2cb871 100644
--- a/drivers/tc/tc.c
+++ b/drivers/tc/tc.c
@@ -2,7 +2,7 @@
* TURBOchannel bus services.
*
* Copyright (c) Harald Koerfgen, 1998
- * Copyright (c) 2001, 2003, 2005, 2006 Maciej W. Rozycki
+ * Copyright (c) 2001, 2003, 2005, 2006, 2018 Maciej W. Rozycki
* Copyright (c) 2005 James Simmons
*
* This file is subject to the terms and conditions of the GNU
@@ -10,6 +10,7 @@
* directory of this archive for more details.
*/
#include <linux/compiler.h>
+#include <linux/dma-mapping.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/ioport.h>
@@ -92,6 +93,11 @@ static void __init tc_bus_add_devices(struct tc_bus *tbus)
tdev->dev.bus = &tc_bus_type;
tdev->slot = slot;
+ /* TURBOchannel has 34-bit DMA addressing (16GiB space). */
+ tdev->dma_mask = DMA_BIT_MASK(34);
+ tdev->dev.dma_mask = &tdev->dma_mask;
+ tdev->dev.coherent_dma_mask = DMA_BIT_MASK(34);
+
for (i = 0; i < 8; i++) {
tdev->firmware[i] =
readb(module + offset + TC_FIRM_VER + 4 * i);
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