[PATCH 0/2] simplify devm_request_mem_region/devm_ioremap

[PATCH 0/2] simplify devm_request_mem_region/devm_ioremap

[Julia Lawall]

Convert the composition of devm_request_mem_region and devm_ioremap to a
single call to devm_ioremap_resource.  The associated call to
platform_get_resource is also simplified and moved next to the new call to
devm_ioremap_resource.

The semantic patch used to perform this transformation is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r@
expression dev,res,size,name,base;
identifier l;
@@

-if (!devm_request_mem_region(dev, res->start, size, name))
- { ... \(goto l;\|return ...;\) }
... when != res->start
base =
(
-devm_ioremap(dev,res->start,size)
+devm_request_and_ioremap(dev,res)
|
-devm_ioremap_nocache(dev,res->start,size)
+devm_request_and_ioremap(dev,res)
)
... when any
    when != res->start

@@
expression pdev,res,n,r.base,e1,e2;
identifier l,f,res1;
type T;
@@

(
(
  T res1 = f(pdev, IORESOURCE_MEM, n);
|
  res1 = f(pdev, IORESOURCE_MEM, n);
)
- if (res1 == NULL) { ... \(goto l;\|return ...;\) }
  base = devm_request_and_ioremap(e1, res1);
|
(
- res = f(pdev, IORESOURCE_MEM, n);
|
  T res1
-  = f(pdev, IORESOURCE_MEM, n)
  ;
)
  ... when != res
(
- if (res == NULL) { ... \(goto l;\|return ...;\) }
|
 if (
-     res == NULL ||
      e2
    ) { ... \(goto l;\|return ...;\) }
)
  ... when != res
+ res = f(pdev, IORESOURCE_MEM, n);
  base = devm_request_and_ioremap(e1, res);
)

@@
expression r.base, dev, res;
@@

base = 
- devm_request_and_ioremap
+ devm_ioremap_resource
 (dev, res);
 ...
 if (
-base == NULL
+IS_ERR(base)
 || ...) {
<...
-	return ...;
+	return PTR_ERR(base);
...>
 }

@@
expression r.base, dev, res;
@@

base = 
- devm_request_and_ioremap
+ devm_ioremap_resource
 (dev, res);

@@
expression r.base, E, ret;
identifier l;
@@

 base = devm_ioremap_resource(...);
 ...
 if (IS_ERR(base) || ...) {
 	... when any
-	ret = E;
+	ret = PTR_ERR(base);
 	...
(
 	return ret;
|
 	goto l;
)
 }

@@
expression r.base;
@@

 base = devm_ioremap_resource(...);
 ...
 if (IS_ERR(base) || ...) {
 	<...
-	\(dev_dbg\|dev_warn\|dev_err\|pr_debug\|pr_err\|DRM_ERROR\)(...);
 	...>
 }

@@
expression r.base;
identifier l;
@@

 base = devm_ioremap_resource(...);
 ...
 if (IS_ERR(base) || ...)
-{
(
 	return ...;
|
 	goto l;
)
-}
// </smpl>

[PATCH 1/2] spi: simplify devm_request_mem_region/devm_ioremap

[Julia Lawall]

From: Julia Lawall <Julia.Lawall@lip6.fr>

Convert the composition of devm_request_mem_region and devm_ioremap to a
single call to devm_ioremap_resource.  The associated call to
platform_get_resource is also simplified and moved next to the new call to
devm_ioremap_resource.

This was done using a combination of the semantic patches
devm_ioremap_resource.cocci and devm_request_and_ioremap.cocci, found in
the scripts/coccinelle/api directory.

This patch also removes the label exit_busy, to use the error code returned
by the failing operation, rather than always -EBUSY.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

---
 drivers/spi/spi-altera.c  |   17 +++++------------
 drivers/spi/spi-oc-tiny.c |   22 +++++++++-------------
 2 files changed, 14 insertions(+), 25 deletions(-)

diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c
index 8a6bb37..63d25e6 100644
--- a/drivers/spi/spi-altera.c
+++ b/drivers/spi/spi-altera.c
@@ -234,15 +234,11 @@ static int altera_spi_probe(struct platform_device *pdev)
 
 	/* find and map our resources */
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		goto exit_busy;
-	if (!devm_request_mem_region(&pdev->dev, res->start, resource_size(res),
-				     pdev->name))
-		goto exit_busy;
-	hw->base = devm_ioremap_nocache(&pdev->dev, res->start,
-					resource_size(res));
-	if (!hw->base)
-		goto exit_busy;
+	hw->base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(hw->base)) {
+		err = PTR_ERR(hw->base);
+		goto exit;
+	}
 	/* program defaults into the registers */
 	hw->imr = 0;		/* disable spi interrupts */
 	writel(hw->imr, hw->base + ALTERA_SPI_CONTROL);
@@ -269,9 +265,6 @@ static int altera_spi_probe(struct platform_device *pdev)
 	dev_info(&pdev->dev, "base %p, irq %d\n", hw->base, hw->irq);
 
 	return 0;
-
-exit_busy:
-	err = -EBUSY;
 exit:
 	spi_master_put(master);
 	return err;
diff --git a/drivers/spi/spi-oc-tiny.c b/drivers/spi/spi-oc-tiny.c
index 58deb79..d36ba90 100644
--- a/drivers/spi/spi-oc-tiny.c
+++ b/drivers/spi/spi-oc-tiny.c
@@ -315,15 +315,11 @@ static int tiny_spi_probe(struct platform_device *pdev)
 
 	/* find and map our resources */
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		goto exit_busy;
-	if (!devm_request_mem_region(&pdev->dev, res->start, resource_size(res),
-				     pdev->name))
-		goto exit_busy;
-	hw->base = devm_ioremap_nocache(&pdev->dev, res->start,
-					resource_size(res));
-	if (!hw->base)
-		goto exit_busy;
+	hw->base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(hw->base)) {
+		err = PTR_ERR(hw->base);
+		goto exit;
+	}
 	/* irq is optional */
 	hw->irq = platform_get_irq(pdev, 0);
 	if (hw->irq >= 0) {
@@ -337,8 +333,10 @@ static int tiny_spi_probe(struct platform_device *pdev)
 	if (platp) {
 		hw->gpio_cs_count = platp->gpio_cs_count;
 		hw->gpio_cs = platp->gpio_cs;
-		if (platp->gpio_cs_count && !platp->gpio_cs)
-			goto exit_busy;
+		if (platp->gpio_cs_count && !platp->gpio_cs) {
+			err = -EBUSY;
+			goto exit;
+		}
 		hw->freq = platp->freq;
 		hw->baudwidth = platp->baudwidth;
 	} else {
@@ -365,8 +363,6 @@ static int tiny_spi_probe(struct platform_device *pdev)
 exit_gpio:
 	while (i-- > 0)
 		gpio_free(hw->gpio_cs[i]);
-exit_busy:
-	err = -EBUSY;
 exit:
 	spi_master_put(master);
 	return err;

[PATCH 2/2] rtc: simplify devm_request_mem_region/devm_ioremap

[Julia Lawall]

From: Julia Lawall <Julia.Lawall@lip6.fr>

Convert the composition of devm_request_mem_region and devm_ioremap to a
single call to devm_ioremap_resource.  The associated call to
platform_get_resource is also simplified and moved next to the new call to
devm_ioremap_resource.

This was done using a combination of the semantic patches
devm_ioremap_resource.cocci and devm_request_and_ioremap.cocci, found in
the scripts/coccinelle/api directory.

In rtc-lpc32xx.c and rtc-mv.c, the local variable size is no longer needed.

In rtc-ds1511.c and rtc-ds1742.c, the size field of the local structure is
not useful any more, and is deleted.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

---
 drivers/rtc/rtc-ds1553.c   |   13 ++++---------
 drivers/rtc/rtc-ep93xx.c   |   14 +++-----------
 drivers/rtc/rtc-imxdi.c    |   16 ++++------------
 drivers/rtc/rtc-lpc32xx.c  |   24 ++++--------------------
 drivers/rtc/rtc-mv.c       |   17 ++++-------------
 drivers/rtc/rtc-mxc.c      |   14 ++++----------
 drivers/rtc/rtc-stk17ta8.c |   15 +++++----------
 drivers/rtc/rtc-tx4939.c   |   14 ++++----------
 drivers/rtc/rtc-ds1511.c   |   17 +++++------------
 drivers/rtc/rtc-ds1742.c   |   18 ++++++------------
 10 files changed, 43 insertions(+), 119 deletions(-)

diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index 8c6c952..fd31571 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -285,19 +285,14 @@ static int ds1553_rtc_probe(struct platform_device *pdev)
 	void __iomem *ioaddr;
 	int ret = 0;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
 		return -ENOMEM;
-	if (!devm_request_mem_region(&pdev->dev, res->start, RTC_REG_SIZE,
-			pdev->name))
-		return -EBUSY;
 
-	ioaddr = devm_ioremap(&pdev->dev, res->start, RTC_REG_SIZE);
-	if (!ioaddr)
-		return -ENOMEM;
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	ioaddr = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(ioaddr))
+		return PTR_ERR(ioaddr);
 	pdata->ioaddr = ioaddr;
 	pdata->irq = platform_get_irq(pdev, 0);
 
diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c
index 549b3c3..580e7b5 100644
--- a/drivers/rtc/rtc-ep93xx.c
+++ b/drivers/rtc/rtc-ep93xx.c
@@ -138,17 +138,9 @@ static int ep93xx_rtc_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENXIO;
-
-	if (!devm_request_mem_region(&pdev->dev, res->start,
-				     resource_size(res), pdev->name))
-		return -EBUSY;
-
-	ep93xx_rtc->mmio_base = devm_ioremap(&pdev->dev, res->start,
-					     resource_size(res));
-	if (!ep93xx_rtc->mmio_base)
-		return -ENXIO;
+	ep93xx_rtc->mmio_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(ep93xx_rtc->mmio_base))
+		return PTR_ERR(ep93xx_rtc->mmio_base);
 
 	pdev->dev.platform_data = ep93xx_rtc;
 	platform_set_drvdata(pdev, ep93xx_rtc);
diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
index d3a8c8e..abd7f90 100644
--- a/drivers/rtc/rtc-imxdi.c
+++ b/drivers/rtc/rtc-imxdi.c
@@ -375,24 +375,16 @@ static int __init dryice_rtc_probe(struct platform_device *pdev)
 	struct imxdi_dev *imxdi;
 	int rc;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
 	imxdi = devm_kzalloc(&pdev->dev, sizeof(*imxdi), GFP_KERNEL);
 	if (!imxdi)
 		return -ENOMEM;
 
 	imxdi->pdev = pdev;
 
-	if (!devm_request_mem_region(&pdev->dev, res->start, resource_size(res),
-				pdev->name))
-		return -EBUSY;
-
-	imxdi->ioaddr = devm_ioremap(&pdev->dev, res->start,
-			resource_size(res));
-	if (imxdi->ioaddr == NULL)
-		return -ENOMEM;
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	imxdi->ioaddr = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(imxdi->ioaddr))
+		return PTR_ERR(imxdi->ioaddr);
 
 	spin_lock_init(&imxdi->irq_lock);
 
diff --git a/drivers/rtc/rtc-lpc32xx.c b/drivers/rtc/rtc-lpc32xx.c
index 8276ae9..bfdbcb8 100644
--- a/drivers/rtc/rtc-lpc32xx.c
+++ b/drivers/rtc/rtc-lpc32xx.c
@@ -201,16 +201,9 @@ static int lpc32xx_rtc_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct lpc32xx_rtc *rtc;
-	resource_size_t size;
 	int rtcirq;
 	u32 tmp;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "Can't get memory resource\n");
-		return -ENOENT;
-	}
-
 	rtcirq = platform_get_irq(pdev, 0);
 	if (rtcirq < 0 || rtcirq >= NR_IRQS) {
 		dev_warn(&pdev->dev, "Can't get interrupt resource\n");
@@ -224,19 +217,10 @@ static int lpc32xx_rtc_probe(struct platform_device *pdev)
 	}
 	rtc->irq = rtcirq;
 
-	size = resource_size(res);
-
-	if (!devm_request_mem_region(&pdev->dev, res->start, size,
-				     pdev->name)) {
-		dev_err(&pdev->dev, "RTC registers are not free\n");
-		return -EBUSY;
-	}
-
-	rtc->rtc_base = devm_ioremap(&pdev->dev, res->start, size);
-	if (!rtc->rtc_base) {
-		dev_err(&pdev->dev, "Can't map memory\n");
-		return -ENOMEM;
-	}
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	rtc->rtc_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(rtc->rtc_base))
+		return PTR_ERR(rtc->rtc_base);
 
 	spin_lock_init(&rtc->lock);
 
diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c
index baab802..d536c59 100644
--- a/drivers/rtc/rtc-mv.c
+++ b/drivers/rtc/rtc-mv.c
@@ -221,26 +221,17 @@ static int __init mv_rtc_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct rtc_plat_data *pdata;
-	resource_size_t size;
 	u32 rtc_time;
 	int ret = 0;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
 		return -ENOMEM;
 
-	size = resource_size(res);
-	if (!devm_request_mem_region(&pdev->dev, res->start, size,
-				     pdev->name))
-		return -EBUSY;
-
-	pdata->ioaddr = devm_ioremap(&pdev->dev, res->start, size);
-	if (!pdata->ioaddr)
-		return -ENOMEM;
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	pdata->ioaddr = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(pdata->ioaddr))
+		return PTR_ERR(pdata->ioaddr);
 
 	pdata->clk = devm_clk_get(&pdev->dev, NULL);
 	/* Not all SoCs require a clock.*/
diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index ab87bac..50c5726 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -377,22 +377,16 @@ static int mxc_rtc_probe(struct platform_device *pdev)
 	unsigned long rate;
 	int ret;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
 		return -ENOMEM;
 
 	pdata->devtype = pdev->id_entry->driver_data;
 
-	if (!devm_request_mem_region(&pdev->dev, res->start,
-				     resource_size(res), pdev->name))
-		return -EBUSY;
-
-	pdata->ioaddr = devm_ioremap(&pdev->dev, res->start,
-				     resource_size(res));
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	pdata->ioaddr = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(pdata->ioaddr))
+		return PTR_ERR(pdata->ioaddr);
 
 	pdata->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(pdata->clk)) {
diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c
index af5e97e..a176ba6 100644
--- a/drivers/rtc/rtc-stk17ta8.c
+++ b/drivers/rtc/rtc-stk17ta8.c
@@ -294,19 +294,14 @@ static int stk17ta8_rtc_probe(struct platform_device *pdev)
 	void __iomem *ioaddr;
 	int ret = 0;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
 		return -ENOMEM;
-	if (!devm_request_mem_region(&pdev->dev, res->start, RTC_REG_SIZE,
-			pdev->name))
-		return -EBUSY;
-	ioaddr = devm_ioremap(&pdev->dev, res->start, RTC_REG_SIZE);
-	if (!ioaddr)
-		return -ENOMEM;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	ioaddr = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(ioaddr))
+		return PTR_ERR(ioaddr);
 	pdata->ioaddr = ioaddr;
 	pdata->irq = platform_get_irq(pdev, 0);
 
diff --git a/drivers/rtc/rtc-tx4939.c b/drivers/rtc/rtc-tx4939.c
index f9a0677..4f87234 100644
--- a/drivers/rtc/rtc-tx4939.c
+++ b/drivers/rtc/rtc-tx4939.c
@@ -244,9 +244,6 @@ static int __init tx4939_rtc_probe(struct platform_device *pdev)
 	struct resource *res;
 	int irq, ret;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
 		return -ENODEV;
@@ -255,13 +252,10 @@ static int __init tx4939_rtc_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	platform_set_drvdata(pdev, pdata);
 
-	if (!devm_request_mem_region(&pdev->dev, res->start,
-				     resource_size(res), pdev->name))
-		return -EBUSY;
-	pdata->rtcreg = devm_ioremap(&pdev->dev, res->start,
-				     resource_size(res));
-	if (!pdata->rtcreg)
-		return -EBUSY;
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	pdata->rtcreg = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(pdata->rtcreg))
+		return PTR_ERR(pdata->rtcreg);
 
 	spin_lock_init(&pdata->lock);
 	tx4939_rtc_cmd(pdata->rtcreg, TX4939_RTCCTL_COMMAND_NOP);

diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 308a8fe..bc7b4fc 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -89,7 +89,6 @@ enum ds1511reg {
 struct rtc_plat_data {
 	struct rtc_device *rtc;
 	void __iomem *ioaddr;		/* virtual base address */
-	int size;				/* amount of memory mapped */
 	int irq;
 	unsigned int irqen;
 	int alrm_sec;
@@ -479,20 +478,14 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
 	struct rtc_plat_data *pdata;
 	int ret = 0;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
 		return -ENOMEM;
-	pdata->size = resource_size(res);
-	if (!devm_request_mem_region(&pdev->dev, res->start, pdata->size,
-			pdev->name))
-		return -EBUSY;
-	ds1511_base = devm_ioremap(&pdev->dev, res->start, pdata->size);
-	if (!ds1511_base)
-		return -ENOMEM;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	ds1511_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(ds1511_base))
+		return PTR_ERR(ds1511_base);
 	pdata->ioaddr = ds1511_base;
 	pdata->irq = platform_get_irq(pdev, 0);
 
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index eccdc62..9fba0ae 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -56,7 +56,6 @@ struct rtc_plat_data {
 	void __iomem *ioaddr_nvram;
 	void __iomem *ioaddr_rtc;
 	size_t size_nvram;
-	size_t size;
 	unsigned long last_jiffies;
 	struct bin_attribute nvram_attr;
 };
@@ -168,22 +167,17 @@ static int ds1742_rtc_probe(struct platform_device *pdev)
 	void __iomem *ioaddr;
 	int ret = 0;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
 		return -ENOMEM;
-	pdata->size = resource_size(res);
-	if (!devm_request_mem_region(&pdev->dev, res->start, pdata->size,
-		pdev->name))
-		return -EBUSY;
-	ioaddr = devm_ioremap(&pdev->dev, res->start, pdata->size);
-	if (!ioaddr)
-		return -ENOMEM;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	ioaddr = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(ioaddr))
+		return PTR_ERR(ioaddr);
 
 	pdata->ioaddr_nvram = ioaddr;
-	pdata->size_nvram = pdata->size - RTC_SIZE;
+	pdata->size_nvram = resource_size(res) - RTC_SIZE;
 	pdata->ioaddr_rtc = ioaddr + pdata->size_nvram;
 
 	sysfs_bin_attr_init(&pdata->nvram_attr);

Re: [PATCH 1/2] spi: simplify devm_request_mem_region/devm_ioremap

[Mark Brown]

[-- Attachment #1: Type: text/plain, Size: 377 bytes --]

On Sat, Aug 24, 2013 at 07:13:15PM +0200, Julia Lawall wrote:
> From: Julia Lawall <Julia.Lawall@lip6.fr>
> 
> Convert the composition of devm_request_mem_region and devm_ioremap to a
> single call to devm_ioremap_resource.  The associated call to
> platform_get_resource is also simplified and moved next to the new call to
> devm_ioremap_resource.

Applied, thanks.

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