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-rw-r--r--drivers/platform/goldfish/goldfish_pipe.c34
-rw-r--r--drivers/platform/goldfish/pdev_bus.c11
-rw-r--r--drivers/platform/x86/asus-wmi.c3
-rw-r--r--drivers/platform/x86/eeepc-laptop.c3
4 files changed, 32 insertions, 19 deletions
diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c
index 4f5aa831f549..d9a09d9637d9 100644
--- a/drivers/platform/goldfish/goldfish_pipe.c
+++ b/drivers/platform/goldfish/goldfish_pipe.c
@@ -56,6 +56,7 @@
#include <linux/bitops.h>
#include <linux/slab.h>
#include <linux/io.h>
+#include <linux/goldfish.h>
/*
* IMPORTANT: The following constants must match the ones used and defined
@@ -66,8 +67,10 @@
#define PIPE_REG_COMMAND 0x00 /* write: value = command */
#define PIPE_REG_STATUS 0x04 /* read */
#define PIPE_REG_CHANNEL 0x08 /* read/write: channel id */
+#define PIPE_REG_CHANNEL_HIGH 0x30 /* read/write: channel id */
#define PIPE_REG_SIZE 0x0c /* read/write: buffer size */
#define PIPE_REG_ADDRESS 0x10 /* write: physical address */
+#define PIPE_REG_ADDRESS_HIGH 0x34 /* write: physical address */
#define PIPE_REG_WAKES 0x14 /* read: wake flags */
#define PIPE_REG_PARAMS_ADDR_LOW 0x18 /* read/write: batch data address */
#define PIPE_REG_PARAMS_ADDR_HIGH 0x1c /* read/write: batch data address */
@@ -109,9 +112,9 @@
#define PIPE_WAKE_WRITE (1 << 2) /* pipe can now be written to */
struct access_params {
- u32 channel;
+ unsigned long channel;
u32 size;
- u32 address;
+ unsigned long address;
u32 cmd;
u32 result;
/* reserved for future extension */
@@ -149,13 +152,14 @@ enum {
static u32 goldfish_cmd_status(struct goldfish_pipe *pipe, u32 cmd)
-{
+{
unsigned long flags;
u32 status;
struct goldfish_pipe_dev *dev = pipe->dev;
spin_lock_irqsave(&dev->lock, flags);
- writel((u32)pipe, dev->base + PIPE_REG_CHANNEL);
+ gf_write64((u64)(unsigned long)pipe, dev->base + PIPE_REG_CHANNEL,
+ dev->base + PIPE_REG_CHANNEL_HIGH);
writel(cmd, dev->base + PIPE_REG_COMMAND);
status = readl(dev->base + PIPE_REG_STATUS);
spin_unlock_irqrestore(&dev->lock, flags);
@@ -163,12 +167,13 @@ static u32 goldfish_cmd_status(struct goldfish_pipe *pipe, u32 cmd)
}
static void goldfish_cmd(struct goldfish_pipe *pipe, u32 cmd)
-{
+{
unsigned long flags;
struct goldfish_pipe_dev *dev = pipe->dev;
spin_lock_irqsave(&dev->lock, flags);
- writel((u32)pipe, dev->base + PIPE_REG_CHANNEL);
+ gf_write64((u64)(unsigned long)pipe, dev->base + PIPE_REG_CHANNEL,
+ dev->base + PIPE_REG_CHANNEL_HIGH);
writel(cmd, dev->base + PIPE_REG_COMMAND);
spin_unlock_irqrestore(&dev->lock, flags);
}
@@ -322,9 +327,12 @@ static ssize_t goldfish_pipe_read_write(struct file *filp, char __user *buffer,
spin_lock_irqsave(&dev->lock, irq_flags);
if (access_with_param(dev, CMD_WRITE_BUFFER + cmd_offset,
address, avail, pipe, &status)) {
- writel((u32)pipe, dev->base + PIPE_REG_CHANNEL);
+ gf_write64((u64)(unsigned long)pipe,
+ dev->base + PIPE_REG_CHANNEL,
+ dev->base + PIPE_REG_CHANNEL_HIGH);
writel(avail, dev->base + PIPE_REG_SIZE);
- writel(address, dev->base + PIPE_REG_ADDRESS);
+ gf_write64(address, dev->base + PIPE_REG_ADDRESS,
+ dev->base + PIPE_REG_ADDRESS_HIGH);
writel(CMD_WRITE_BUFFER + cmd_offset,
dev->base + PIPE_REG_COMMAND);
status = readl(dev->base + PIPE_REG_STATUS);
@@ -447,7 +455,15 @@ static irqreturn_t goldfish_pipe_interrupt(int irq, void *dev_id)
/* First read the channel, 0 means the end of the list */
struct goldfish_pipe *pipe;
unsigned long wakes;
- unsigned long channel = readl(dev->base + PIPE_REG_CHANNEL);
+ unsigned long channel = 0;
+
+#ifdef CONFIG_64BIT
+ channel = (u64)readl(dev->base + PIPE_REG_CHANNEL_HIGH) << 32;
+
+ if (channel == 0)
+ break;
+#endif
+ channel |= readl(dev->base + PIPE_REG_CHANNEL);
if (channel == 0)
break;
diff --git a/drivers/platform/goldfish/pdev_bus.c b/drivers/platform/goldfish/pdev_bus.c
index 92cc4cfafde5..8c43589c3edb 100644
--- a/drivers/platform/goldfish/pdev_bus.c
+++ b/drivers/platform/goldfish/pdev_bus.c
@@ -36,6 +36,7 @@
#define PDEV_BUS_IO_SIZE (0x14)
#define PDEV_BUS_IRQ (0x18)
#define PDEV_BUS_IRQ_COUNT (0x1c)
+#define PDEV_BUS_GET_NAME_HIGH (0x20)
struct pdev_bus_dev {
struct list_head list;
@@ -129,7 +130,10 @@ static int goldfish_new_pdev(void)
dev->pdev.dev.dma_mask = (void *)(dev->pdev.name + name_len + 1);
*dev->pdev.dev.dma_mask = ~0;
- writel((unsigned long)name, pdev_bus_base + PDEV_BUS_GET_NAME);
+#ifdef CONFIG_64BIT
+ writel((u32)((u64)name>>32), pdev_bus_base + PDEV_BUS_GET_NAME_HIGH);
+#endif
+ writel((u32)(unsigned long)name, pdev_bus_base + PDEV_BUS_GET_NAME);
name[name_len] = '\0';
dev->pdev.id = readl(pdev_bus_base + PDEV_BUS_ID);
dev->pdev.resource[0].start = base;
@@ -184,11 +188,6 @@ static int goldfish_pdev_bus_probe(struct platform_device *pdev)
pdev_bus_addr = r->start;
pdev_bus_len = resource_size(r);
- if (request_mem_region(pdev_bus_addr, pdev_bus_len, "goldfish")) {
- dev_err(&pdev->dev, "unable to reserve Goldfish MMIO.\n");
- return -EBUSY;
- }
-
pdev_bus_base = ioremap(pdev_bus_addr, pdev_bus_len);
if (pdev_bus_base == NULL) {
ret = -ENOMEM;
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index c5e082fb82fa..91ef69a52263 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -642,8 +642,7 @@ static void asus_rfkill_hotplug(struct asus_wmi *asus)
dev = pci_scan_single_device(bus, 0);
if (dev) {
pci_bus_assign_resources(bus);
- if (pci_bus_add_device(dev))
- pr_err("Unable to hotplug wifi\n");
+ pci_bus_add_device(dev);
}
} else {
dev = pci_get_slot(bus, 0);
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 399e8c562192..9b0c57cd1d4a 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -633,8 +633,7 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
dev = pci_scan_single_device(bus, 0);
if (dev) {
pci_bus_assign_resources(bus);
- if (pci_bus_add_device(dev))
- pr_err("Unable to hotplug wifi\n");
+ pci_bus_add_device(dev);
}
} else {
dev = pci_get_slot(bus, 0);