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Message-ID: <Pine.LNX.4.64.1205091818430.1272@file.rdu.redhat.com>
Date: Wed, 9 May 2012 18:19:18 -0400 (EDT)
From: Mikulas Patocka <mpatocka@...hat.com>
To: torvalds@...ux-foundation.org
cc: linux-parisc@...r.kernel.org, linux-kernel@...r.kernel.org,
Rolf Eike Beer <eike-kernel@...tec.de>,
"James E.J. Bottomley" <jejb@...isc-linux.org>,
Helge Deller <deller@....de>
Subject: [PATCH 5/5] PA-RISC: fix compile errors
From: Rolf Eike Beer <eike-kernel@...tec.de>
This was defined in asm/pdc.h which needs to include asm/page.h for
__PAGE_OFFSET. This leads to an include loop so that page.h eventually will
include pdc.h again. While this is no problem because of header guards, it is
a problem because some symbols may be undefined. Such an error is this:
In file included from /home/buildbot/repos/linux/include/linux/bitops.h:35:0,
from /home/buildbot/repos/linux/include/asm-generic/getorder.h:7,
from /home/buildbot/repos/linux/arch/parisc/include/asm/page.h:162,
from /home/buildbot/repos/linux/arch/parisc/include/asm/pdc.h:346,
from /home/buildbot/repos/linux/arch/parisc/include/asm/processor.h:16,
from /home/buildbot/repos/linux/arch/parisc/include/asm/spinlock.h:6,
from /home/buildbot/repos/linux/arch/parisc/include/asm/atomic.h:20,
from /home/buildbot/repos/linux/include/linux/atomic.h:4,
from /home/buildbot/repos/linux/include/linux/sysfs.h:20,
from /home/buildbot/repos/linux/include/linux/kobject.h:21,
from /home/buildbot/repos/linux/include/linux/device.h:17,
from /home/buildbot/repos/linux/include/linux/eisa.h:5,
from /home/buildbot/repos/linux/arch/parisc/kernel/pci.c:11:
/home/buildbot/repos/linux/arch/parisc/include/asm/bitops.h: In function "set_bit":
/home/buildbot/repos/linux/arch/parisc/include/asm/bitops.h:82:2: error: implicit declaration of function "_atomic_spin_lock_irqsave" [-Werror=implicit-function-declaration]
/home/buildbot/repos/linux/arch/parisc/include/asm/bitops.h:84:2: error: implicit declaration of function "_atomic_spin_unlock_irqrestore" [-Werror=implicit-function-declaration]
Signed-off-by: Rolf Eike Beer <eike-kernel@...xxxxxx>
Signed-off-by: Mikulas Patocka <mpatocka@...hat.com>
---
arch/parisc/include/asm/page.h | 6 ++++++
arch/parisc/include/asm/pdc.h | 7 -------
arch/parisc/kernel/pdc_cons.c | 1 +
arch/parisc/kernel/time.c | 1 +
drivers/parisc/sba_iommu.c | 1 +
drivers/video/console/sticore.c | 2 ++
6 files changed, 11 insertions(+), 7 deletions(-)
diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h
index a84cc1f..4e0e7db 100644
--- a/arch/parisc/include/asm/page.h
+++ b/arch/parisc/include/asm/page.h
@@ -160,5 +160,11 @@ extern int npmem_ranges;
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
+#include <asm/pdc.h>
+
+#define PAGE0 ((struct zeropage *)__PAGE_OFFSET)
+
+/* DEFINITION OF THE ZERO-PAGE (PAG0) */
+/* based on work by Jason Eckhardt (jason@...ator.com) */
#endif /* _PARISC_PAGE_H */
diff --git a/arch/parisc/include/asm/pdc.h b/arch/parisc/include/asm/pdc.h
index 4ca510b..7f0f2d2 100644
--- a/arch/parisc/include/asm/pdc.h
+++ b/arch/parisc/include/asm/pdc.h
@@ -343,8 +343,6 @@
#ifdef __KERNEL__
-#include <asm/page.h> /* for __PAGE_OFFSET */
-
extern int pdc_type;
/* Values for pdc_type */
@@ -677,11 +675,6 @@ static inline char * os_id_to_string(u16 os_id) {
#endif /* __KERNEL__ */
-#define PAGE0 ((struct zeropage *)__PAGE_OFFSET)
-
-/* DEFINITION OF THE ZERO-PAGE (PAG0) */
-/* based on work by Jason Eckhardt (jason@...ator.com) */
-
/* flags of the device_path */
#define PF_AUTOBOOT 0x80
#define PF_AUTOSEARCH 0x40
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index 4f00459..9bbd2a5 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -50,6 +50,7 @@
#include <linux/init.h>
#include <linux/major.h>
#include <linux/tty.h>
+#include <asm/page.h> /* for PAGE0 */
#include <asm/pdc.h> /* for iodc_call() proto and friends */
static DEFINE_SPINLOCK(pdc_console_lock);
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 7c07743..70e105d 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -29,6 +29,7 @@
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/irq.h>
+#include <asm/page.h>
#include <asm/param.h>
#include <asm/pdc.h>
#include <asm/led.h>
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 8644d53..42cfcd9 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -44,6 +44,7 @@
#include <asm/ropes.h>
#include <asm/mckinley.h> /* for proc_mckinley_root */
#include <asm/runway.h> /* for proc_runway_root */
+#include <asm/page.h> /* for PAGE0 */
#include <asm/pdc.h> /* for PDC_MODEL_* */
#include <asm/pdcpat.h> /* for is_pdc_pat() */
#include <asm/parisc-device.h>
diff --git a/drivers/video/console/sticore.c b/drivers/video/console/sticore.c
index 6468a29..39571f9 100644
--- a/drivers/video/console/sticore.c
+++ b/drivers/video/console/sticore.c
@@ -22,7 +22,9 @@
#include <linux/font.h>
#include <asm/hardware.h>
+#include <asm/page.h>
#include <asm/parisc-device.h>
+#include <asm/pdc.h>
#include <asm/cacheflush.h>
#include <asm/grfioctl.h>
--
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