From: Oleksij Rempel <linux@rempel-privat.de>
To: barebox@lists.infradead.org
Cc: Oleksij Rempel <linux@rempel-privat.de>
Subject: [PATCH v1 02/10] port resource_overlaps() from kernel
Date: Wed, 16 May 2018 18:42:25 +0200 [thread overview]
Message-ID: <20180516164233.27581-3-linux@rempel-privat.de> (raw)
In-Reply-To: <20180516164233.27581-1-linux@rempel-privat.de>
needed for kexec support
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
---
include/linux/ioport.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 2a944cc73..f05937ead 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -130,6 +130,12 @@ static inline unsigned long resource_type(const struct resource *res)
return res->flags & IORESOURCE_TYPE_BITS;
}
+/* True if any part of r1 overlaps r2 */
+static inline bool resource_overlaps(struct resource *r1, struct resource *r2)
+{
+ return (r1->start <= r2->end && r1->end >= r2->start);
+}
+
struct resource *request_iomem_region(const char *name,
resource_size_t start, resource_size_t end);
struct resource *request_ioport_region(const char *name,
--
2.14.1
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next prev parent reply other threads:[~2018-05-16 16:43 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-16 16:42 [PATCH v1 00/10] provide ELF/KEXEC support for MIPS ath79 and malta Oleksij Rempel
2018-05-16 16:42 ` [PATCH v1 01/10] resource: add create_resource() helper function Oleksij Rempel
2018-05-16 16:42 ` Oleksij Rempel [this message]
2018-05-16 16:42 ` [PATCH v1 03/10] filetype: add ELF type Oleksij Rempel
2018-05-16 16:42 ` [PATCH v1 04/10] bootm: add kexec ELF support Oleksij Rempel
2018-05-16 21:34 ` Peter Mamonov
2018-05-17 4:52 ` Oleksij Rempel
2018-05-17 7:01 ` Sascha Hauer
2018-05-17 9:51 ` Peter Mamonov
2018-05-16 16:42 ` [PATCH v1 05/10] MIPS: add kexec ELF loading support Oleksij Rempel
2018-05-17 9:56 ` Sascha Hauer
2018-05-17 10:07 ` Oleksij Rempel
2018-05-18 5:46 ` Sascha Hauer
2018-05-16 16:42 ` [PATCH v1 06/10] MIPS: ath79: enable kexec Oleksij Rempel
2018-05-16 16:42 ` [PATCH v1 07/10] MIPS: malta: " Oleksij Rempel
2018-05-16 16:42 ` [PATCH v1 08/10] MIPS: configs: add KEXEC=y to atheros devices Oleksij Rempel
2018-05-16 16:42 ` [PATCH v1 09/10] MIPS: configs: dptechnics-dpt-module: enable watchdog poller Oleksij Rempel
2018-05-16 16:42 ` [PATCH v1 10/10] MIPS: malta: update malta qemu defconfig Oleksij Rempel
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