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path: root/drivers/mailbox/hi3660-mailbox.c
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Diffstat (limited to 'drivers/mailbox/hi3660-mailbox.c')
-rw-r--r--drivers/mailbox/hi3660-mailbox.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/mailbox/hi3660-mailbox.c b/drivers/mailbox/hi3660-mailbox.c
index 395ddc250828..17c29e960fbf 100644
--- a/drivers/mailbox/hi3660-mailbox.c
+++ b/drivers/mailbox/hi3660-mailbox.c
@@ -11,6 +11,7 @@
#include <linux/iopoll.h>
#include <linux/mailbox_controller.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -44,14 +45,13 @@
#define MBOX_MSG_LEN 8
/**
- * Hi3660 mailbox channel information
+ * struct hi3660_chan_info - Hi3660 mailbox channel information
+ * @dst_irq: Interrupt vector for remote processor
+ * @ack_irq: Interrupt vector for local processor
*
* A channel can be used for TX or RX, it can trigger remote
* processor interrupt to notify remote processor and can receive
- * interrupt if has incoming message.
- *
- * @dst_irq: Interrupt vector for remote processor
- * @ack_irq: Interrupt vector for local processor
+ * interrupt if it has an incoming message.
*/
struct hi3660_chan_info {
unsigned int dst_irq;
@@ -59,16 +59,15 @@ struct hi3660_chan_info {
};
/**
- * Hi3660 mailbox controller data
- *
- * Mailbox controller includes 32 channels and can allocate
- * channel for message transferring.
- *
+ * struct hi3660_mbox - Hi3660 mailbox controller data
* @dev: Device to which it is attached
* @base: Base address of the register mapping region
* @chan: Representation of channels in mailbox controller
* @mchan: Representation of channel info
* @controller: Representation of a communication channel controller
+ *
+ * Mailbox controller includes 32 channels and can allocate
+ * channel for message transferring.
*/
struct hi3660_mbox {
struct device *dev;
@@ -240,7 +239,6 @@ static int hi3660_mbox_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct hi3660_mbox *mbox;
struct mbox_chan *chan;
- struct resource *res;
unsigned long ch;
int err;
@@ -248,8 +246,7 @@ static int hi3660_mbox_probe(struct platform_device *pdev)
if (!mbox)
return -ENOMEM;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- mbox->base = devm_ioremap_resource(dev, res);
+ mbox->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(mbox->base))
return PTR_ERR(mbox->base);