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authorStafford Horne2022-07-23 06:49:42 +0900
committerBjorn Helgaas2022-07-22 17:24:47 -0500
commitabb4970ac33514c84b143516583eaf8cc47abd67 (patch)
tree088c26843690abdfd7cd77a63bde4bdd7906f4dc /drivers
parentae85b23c65dbb079c83d8a08ff7699215f104e42 (diff)
PCI: Move isa_dma_bridge_buggy out of asm/dma.h
The isa_dma_bridge_buggy symbol is only used for x86_32, and only x86_32 platforms or quirks ever set it. Add a new linux/isa-dma.h header that #defines isa_dma_bridge_buggy to 0 except on x86_32, where we keep it as a variable, and remove all the arch- specific definitions. [bhelgaas: commit log] Suggested-by: Arnd Bergmann <arnd@arndb.de> Suggested-by: Christoph Hellwig <hch@infradead.org> Link: https://lore.kernel.org/r/20220722214944.831438-3-shorne@gmail.com Signed-off-by: Stafford Horne <shorne@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/comedi/drivers/comedi_isadma.c2
-rw-r--r--drivers/pci/pci.c2
-rw-r--r--drivers/pci/quirks.c4
3 files changed, 6 insertions, 2 deletions
diff --git a/drivers/comedi/drivers/comedi_isadma.c b/drivers/comedi/drivers/comedi_isadma.c
index 700982464c53..020b3d1e1ac0 100644
--- a/drivers/comedi/drivers/comedi_isadma.c
+++ b/drivers/comedi/drivers/comedi_isadma.c
@@ -8,7 +8,7 @@
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
-#include <asm/dma.h>
+#include <linux/isa-dma.h>
#include <linux/comedi/comedidev.h>
#include <linux/comedi/comedi_isadma.h>
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index cfaf40a540a8..60c55d2cb2cc 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -41,8 +41,10 @@ const char *pci_power_names[] = {
};
EXPORT_SYMBOL_GPL(pci_power_names);
+#ifdef CONFIG_X86_32
int isa_dma_bridge_buggy;
EXPORT_SYMBOL(isa_dma_bridge_buggy);
+#endif
int pci_pci_problems;
EXPORT_SYMBOL(pci_pci_problems);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 41aeaa235132..6fc64509eee7 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/pci.h>
+#include <linux/isa-dma.h> /* isa_dma_bridge_buggy */
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/acpi.h>
@@ -30,7 +31,6 @@
#include <linux/pm_runtime.h>
#include <linux/suspend.h>
#include <linux/switchtec.h>
-#include <asm/dma.h> /* isa_dma_bridge_buggy */
#include "pci.h"
static ktime_t fixup_debug_start(struct pci_dev *dev,
@@ -239,6 +239,7 @@ static void quirk_passive_release(struct pci_dev *dev)
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82441, quirk_passive_release);
DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82441, quirk_passive_release);
+#ifdef CONFIG_X86_32
/*
* The VIA VP2/VP3/MVP3 seem to have some 'features'. There may be a
* workaround but VIA don't answer queries. If you happen to have good
@@ -265,6 +266,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, quirk_isa_dma
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_1, quirk_isa_dma_hangs);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_2, quirk_isa_dma_hangs);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_3, quirk_isa_dma_hangs);
+#endif
/*
* Intel NM10 "TigerPoint" LPC PM1a_STS.BM_STS must be clear