linux-kernel - [PATCH v2 2/5] x86/io: Include asm-generic/io.h to architectural code

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Date:   Fri, 30 Jun 2017 20:09:31 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        "H . Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
        Baolin Wang <baolin.wang@...eadtrum.com>, wsa@...-dreams.de,
        linux-i2c@...r.kernel.org,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        intel-gfx@...ts.freedesktop.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v2 2/5] x86/io: Include asm-generic/io.h to architectural code

asm-generic/io.h defines few helpers which would be useful in the drivers,
such as writesb() and readsb().

Include it to the asm/io.h in architectural folder.

Acked-by: Wolfram Sang <wsa@...-dreams.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 arch/x86/include/asm/io.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index c1c0880768f7..0558d81c177e 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -406,6 +406,9 @@ extern bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
 
 #define IO_SPACE_LIMIT 0xffff
 
+#include <asm-generic/io.h>
+#undef PCI_IOBASE
+
 #ifdef CONFIG_MTRR
 extern int __must_check arch_phys_wc_index(int handle);
 #define arch_phys_wc_index arch_phys_wc_index
-- 
2.11.0