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From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: barebox@lists.infradead.org
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Subject: [PATCH 6/6] drivers: base: Share code for getting and then requesting a region
Date: Fri, 26 Oct 2018 18:32:30 -0700	[thread overview]
Message-ID: <20181027013230.24387-7-andrew.smirnov@gmail.com> (raw)
In-Reply-To: <20181027013230.24387-1-andrew.smirnov@gmail.com>

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
 drivers/base/driver.c | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)

diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 476f844be..687e36e1b 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -355,6 +355,19 @@ dev_get_resource_by_name_or_id(struct device_d *dev, unsigned long type,
 	return ERR_PTR(-ENOENT);
 }
 
+static struct resource *
+dev_request_resource_by_name_or_id(struct device_d *dev, unsigned long type,
+				   const char *name, int num)
+{
+	struct resource *res;
+
+	res = dev_get_resource_by_name_or_id(dev, type, name, num);
+	if (IS_ERR(res))
+		return ERR_CAST(res);
+
+	return request_iomem_region(dev_name(dev), res->start, res->end);
+}
+
 struct resource *dev_get_resource(struct device_d *dev, unsigned long type,
 				  int num)
 {
@@ -384,11 +397,8 @@ void __iomem *dev_request_mem_region_by_name(struct device_d *dev, const char *n
 {
 	struct resource *res;
 
-	res = dev_get_resource_by_name(dev, IORESOURCE_MEM, name);
-	if (IS_ERR(res))
-		return ERR_CAST(res);
-
-	res = request_iomem_region(dev_name(dev), res->start, res->end);
+	res = dev_request_resource_by_name_or_id(dev, IORESOURCE_MEM,
+						 name, -1);
 	if (IS_ERR(res))
 		return ERR_CAST(res);
 
@@ -398,13 +408,8 @@ EXPORT_SYMBOL(dev_request_mem_region_by_name);
 
 struct resource *dev_request_mem_resource(struct device_d *dev, int num)
 {
-	struct resource *res;
-
-	res = dev_get_resource(dev, IORESOURCE_MEM, num);
-	if (IS_ERR(res))
-		return ERR_CAST(res);
-
-	return request_iomem_region(dev_name(dev), res->start, res->end);
+	return dev_request_resource_by_name_or_id(dev, IORESOURCE_MEM,
+						  NULL, num);
 }
 
 static void __iomem *__dev_request_mem_region(struct device_d *dev, int num,
-- 
2.17.1


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  parent reply	other threads:[~2018-10-27  1:34 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-27  1:32 [PATCH 0/6] Refactor driver resource allocation code Andrey Smirnov
2018-10-27  1:32 ` [PATCH 1/6] drivers: base: Simplify generic_memmap_ro() Andrey Smirnov
2018-10-27  7:47   ` Sam Ravnborg
2018-10-27  1:32 ` [PATCH 2/6] drivers: base: Drop dev_get_mem_region_by_name() Andrey Smirnov
2018-10-27  1:32 ` [PATCH 3/6] drivers: base: Share implementations for dev_get_resource*() Andrey Smirnov
2018-10-29  8:52   ` Sascha Hauer
2018-10-27  1:32 ` [PATCH 4/6] drivers: base: Simplify dev_request_mem_region_err_null() Andrey Smirnov
2018-10-27  1:32 ` [PATCH 5/6] drivers: base: Share code for dev_request_mem_region*() Andrey Smirnov
2018-10-27  8:20   ` Sam Ravnborg
2018-10-29  8:58     ` Sascha Hauer
2018-10-27  8:26   ` Sam Ravnborg
2018-10-27  8:46     ` Sam Ravnborg
2018-10-27  1:32 ` Andrey Smirnov [this message]
2018-10-29  9:00 ` [PATCH 0/6] Refactor driver resource allocation code Sascha Hauer

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