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-rw-r--r--drivers/char/hw_random/Kconfig12
-rw-r--r--drivers/char/hw_random/Makefile1
-rw-r--r--drivers/char/hw_random/mxc-rnga.c247
-rw-r--r--drivers/media/video/Kconfig4
-rw-r--r--drivers/mmc/host/Kconfig2
-rw-r--r--drivers/net/arm/ixp4xx_eth.c26
-rw-r--r--drivers/net/wan/ixp4xx_hss.c11
-rw-r--r--drivers/rtc/rtc-ep93xx.c149
-rw-r--r--drivers/serial/imx.c13
-rw-r--r--drivers/spi/Kconfig2
-rw-r--r--drivers/video/Kconfig2
-rw-r--r--drivers/video/mx3fb.c4
12 files changed, 404 insertions, 69 deletions
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 5fab6470f4b2..26c93c75e62d 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -148,3 +148,15 @@ config HW_RANDOM_VIRTIO
To compile this driver as a module, choose M here: the
module will be called virtio-rng. If unsure, say N.
+
+config HW_RANDOM_MXC_RNGA
+ tristate "Freescale i.MX RNGA Random Number Generator"
+ depends on HW_RANDOM && ARCH_HAS_RNGA
+ ---help---
+ This driver provides kernel-side support for the Random Number
+ Generator hardware found on Freescale i.MX processors.
+
+ To compile this driver as a module, choose M here: the
+ module will be called mxc-rnga.
+
+ If unsure, say Y.
diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile
index e81d21a5f28f..fd1ecd2f6731 100644
--- a/drivers/char/hw_random/Makefile
+++ b/drivers/char/hw_random/Makefile
@@ -15,3 +15,4 @@ obj-$(CONFIG_HW_RANDOM_IXP4XX) += ixp4xx-rng.o
obj-$(CONFIG_HW_RANDOM_OMAP) += omap-rng.o
obj-$(CONFIG_HW_RANDOM_PASEMI) += pasemi-rng.o
obj-$(CONFIG_HW_RANDOM_VIRTIO) += virtio-rng.o
+obj-$(CONFIG_HW_RANDOM_MXC_RNGA) += mxc-rnga.o
diff --git a/drivers/char/hw_random/mxc-rnga.c b/drivers/char/hw_random/mxc-rnga.c
new file mode 100644
index 000000000000..187c6be80f43
--- /dev/null
+++ b/drivers/char/hw_random/mxc-rnga.c
@@ -0,0 +1,247 @@
+/*
+ * RNG driver for Freescale RNGA
+ *
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Author: Alan Carvalho de Assis <acassis@gmail.com>
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * This driver is based on other RNG drivers.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/hw_random.h>
+#include <linux/io.h>
+
+/* RNGA Registers */
+#define RNGA_CONTROL 0x00
+#define RNGA_STATUS 0x04
+#define RNGA_ENTROPY 0x08
+#define RNGA_OUTPUT_FIFO 0x0c
+#define RNGA_MODE 0x10
+#define RNGA_VERIFICATION_CONTROL 0x14
+#define RNGA_OSC_CONTROL_COUNTER 0x18
+#define RNGA_OSC1_COUNTER 0x1c
+#define RNGA_OSC2_COUNTER 0x20
+#define RNGA_OSC_COUNTER_STATUS 0x24
+
+/* RNGA Registers Range */
+#define RNG_ADDR_RANGE 0x28
+
+/* RNGA Control Register */
+#define RNGA_CONTROL_SLEEP 0x00000010
+#define RNGA_CONTROL_CLEAR_INT 0x00000008
+#define RNGA_CONTROL_MASK_INTS 0x00000004
+#define RNGA_CONTROL_HIGH_ASSURANCE 0x00000002
+#define RNGA_CONTROL_GO 0x00000001
+
+#define RNGA_STATUS_LEVEL_MASK 0x0000ff00
+
+/* RNGA Status Register */
+#define RNGA_STATUS_OSC_DEAD 0x80000000
+#define RNGA_STATUS_SLEEP 0x00000010
+#define RNGA_STATUS_ERROR_INT 0x00000008
+#define RNGA_STATUS_FIFO_UNDERFLOW 0x00000004
+#define RNGA_STATUS_LAST_READ_STATUS 0x00000002
+#define RNGA_STATUS_SECURITY_VIOLATION 0x00000001
+
+static struct platform_device *rng_dev;
+
+static int mxc_rnga_data_present(struct hwrng *rng)
+{
+ int level;
+ void __iomem *rng_base = (void __iomem *)rng->priv;
+
+ /* how many random numbers is in FIFO? [0-16] */
+ level = ((__raw_readl(rng_base + RNGA_STATUS) &
+ RNGA_STATUS_LEVEL_MASK) >> 8);
+
+ return level > 0 ? 1 : 0;
+}
+
+static int mxc_rnga_data_read(struct hwrng *rng, u32 * data)
+{
+ int err;
+ u32 ctrl;
+ void __iomem *rng_base = (void __iomem *)rng->priv;
+
+ /* retrieve a random number from FIFO */
+ *data = __raw_readl(rng_base + RNGA_OUTPUT_FIFO);
+
+ /* some error while reading this random number? */
+ err = __raw_readl(rng_base + RNGA_STATUS) & RNGA_STATUS_ERROR_INT;
+
+ /* if error: clear error interrupt, but doesn't return random number */
+ if (err) {
+ dev_dbg(&rng_dev->dev, "Error while reading random number!\n");
+ ctrl = __raw_readl(rng_base + RNGA_CONTROL);
+ __raw_writel(ctrl | RNGA_CONTROL_CLEAR_INT,
+ rng_base + RNGA_CONTROL);
+ return 0;
+ } else
+ return 4;
+}
+
+static int mxc_rnga_init(struct hwrng *rng)
+{
+ u32 ctrl, osc;
+ void __iomem *rng_base = (void __iomem *)rng->priv;
+
+ /* wake up */
+ ctrl = __raw_readl(rng_base + RNGA_CONTROL);
+ __raw_writel(ctrl & ~RNGA_CONTROL_SLEEP, rng_base + RNGA_CONTROL);
+
+ /* verify if oscillator is working */
+ osc = __raw_readl(rng_base + RNGA_STATUS);
+ if (osc & RNGA_STATUS_OSC_DEAD) {
+ dev_err(&rng_dev->dev, "RNGA Oscillator is dead!\n");
+ return -ENODEV;
+ }
+
+ /* go running */
+ ctrl = __raw_readl(rng_base + RNGA_CONTROL);
+ __raw_writel(ctrl | RNGA_CONTROL_GO, rng_base + RNGA_CONTROL);
+
+ return 0;
+}
+
+static void mxc_rnga_cleanup(struct hwrng *rng)
+{
+ u32 ctrl;
+ void __iomem *rng_base = (void __iomem *)rng->priv;
+
+ ctrl = __raw_readl(rng_base + RNGA_CONTROL);
+
+ /* stop rnga */
+ __raw_writel(ctrl & ~RNGA_CONTROL_GO, rng_base + RNGA_CONTROL);
+}
+
+static struct hwrng mxc_rnga = {
+ .name = "mxc-rnga",
+ .init = mxc_rnga_init,
+ .cleanup = mxc_rnga_cleanup,
+ .data_present = mxc_rnga_data_present,
+ .data_read = mxc_rnga_data_read
+};
+
+static int __init mxc_rnga_probe(struct platform_device *pdev)
+{
+ int err = -ENODEV;
+ struct clk *clk;
+ struct resource *res, *mem;
+ void __iomem *rng_base = NULL;
+
+ if (rng_dev)
+ return -EBUSY;
+
+ clk = clk_get(&pdev->dev, "rng");
+ if (IS_ERR(clk)) {
+ dev_err(&pdev->dev, "Could not get rng_clk!\n");
+ err = PTR_ERR(clk);
+ goto out;
+ }
+
+ clk_enable(clk);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ err = -ENOENT;
+ goto err_region;
+ }
+
+ mem = request_mem_region(res->start, resource_size(res), pdev->name);
+ if (mem == NULL) {
+ err = -EBUSY;
+ goto err_region;
+ }
+
+ rng_base = ioremap(res->start, resource_size(res));
+ if (!rng_base) {
+ err = -ENOMEM;
+ goto err_ioremap;
+ }
+
+ mxc_rnga.priv = (unsigned long)rng_base;
+
+ err = hwrng_register(&mxc_rnga);
+ if (err) {
+ dev_err(&pdev->dev, "MXC RNGA registering failed (%d)\n", err);
+ goto err_register;
+ }
+
+ rng_dev = pdev;
+
+ dev_info(&pdev->dev, "MXC RNGA Registered.\n");
+
+ return 0;
+
+err_register:
+ iounmap(rng_base);
+ rng_base = NULL;
+
+err_ioremap:
+ release_mem_region(res->start, resource_size(res));
+
+err_region:
+ clk_disable(clk);
+ clk_put(clk);
+
+out:
+ return err;
+}
+
+static int __exit mxc_rnga_remove(struct platform_device *pdev)
+{
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ void __iomem *rng_base = (void __iomem *)mxc_rnga.priv;
+ struct clk *clk = clk_get(&pdev->dev, "rng");
+
+ hwrng_unregister(&mxc_rnga);
+
+ iounmap(rng_base);
+
+ release_mem_region(res->start, resource_size(res));
+
+ clk_disable(clk);
+ clk_put(clk);
+
+ return 0;
+}
+
+static struct platform_driver mxc_rnga_driver = {
+ .driver = {
+ .name = "mxc_rnga",
+ .owner = THIS_MODULE,
+ },
+ .remove = __exit_p(mxc_rnga_remove),
+};
+
+static int __init mod_init(void)
+{
+ return platform_driver_probe(&mxc_rnga_driver, mxc_rnga_probe);
+}
+
+static void __exit mod_exit(void)
+{
+ platform_driver_unregister(&mxc_rnga_driver);
+}
+
+module_init(mod_init);
+module_exit(mod_exit);
+
+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
+MODULE_DESCRIPTION("H/W RNGA driver for i.MX");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index 9d48da2fb013..57835f5715fc 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -758,10 +758,14 @@ config VIDEO_MX1
---help---
This is a v4l2 driver for the i.MX1/i.MXL CMOS Sensor Interface
+config MX3_VIDEO
+ bool
+
config VIDEO_MX3
tristate "i.MX3x Camera Sensor Interface driver"
depends on VIDEO_DEV && MX3_IPU && SOC_CAMERA
select VIDEOBUF_DMA_CONTIG
+ select MX3_VIDEO
---help---
This is a v4l2 driver for the i.MX3x Camera Sensor Interface
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index b4cf691f3f64..3eb87bda14f3 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -155,7 +155,7 @@ config MMC_ATMELMCI_DMA
config MMC_IMX
tristate "Motorola i.MX Multimedia Card Interface support"
- depends on ARCH_IMX
+ depends on ARCH_MX1
help
This selects the Motorola i.MX Multimedia card Interface.
If you have a i.MX platform with a Multimedia Card slot,
diff --git a/drivers/net/arm/ixp4xx_eth.c b/drivers/net/arm/ixp4xx_eth.c
index a740053d3af3..b6d188115caf 100644
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -456,7 +456,8 @@ static inline void queue_put_desc(unsigned int queue, u32 phys,
debug_desc(phys, desc);
BUG_ON(phys & 0x1F);
qmgr_put_entry(queue, phys);
- BUG_ON(qmgr_stat_overflow(queue));
+ /* Don't check for queue overflow here, we've allocated sufficient
+ length and queues >= 32 don't support this check anyway. */
}
@@ -512,8 +513,8 @@ static int eth_poll(struct napi_struct *napi, int budget)
#endif
napi_complete(napi);
qmgr_enable_irq(rxq);
- if (!qmgr_stat_empty(rxq) &&
- napi_reschedule(napi)) {
+ if (!qmgr_stat_below_low_watermark(rxq) &&
+ napi_reschedule(napi)) { /* not empty again */
#if DEBUG_RX
printk(KERN_DEBUG "%s: eth_poll"
" napi_reschedule successed\n",
@@ -630,9 +631,9 @@ static void eth_txdone_irq(void *unused)
port->tx_buff_tab[n_desc] = NULL;
}
- start = qmgr_stat_empty(port->plat->txreadyq);
+ start = qmgr_stat_below_low_watermark(port->plat->txreadyq);
queue_put_desc(port->plat->txreadyq, phys, desc);
- if (start) {
+ if (start) { /* TX-ready queue was empty */
#if DEBUG_TX
printk(KERN_DEBUG "%s: eth_txdone_irq xmit ready\n",
port->netdev->name);
@@ -708,13 +709,14 @@ static int eth_xmit(struct sk_buff *skb, struct net_device *dev)
queue_put_desc(TX_QUEUE(port->id), tx_desc_phys(port, n), desc);
dev->trans_start = jiffies;
- if (qmgr_stat_empty(txreadyq)) {
+ if (qmgr_stat_below_low_watermark(txreadyq)) { /* empty */
#if DEBUG_TX
printk(KERN_DEBUG "%s: eth_xmit queue full\n", dev->name);
#endif
netif_stop_queue(dev);
/* we could miss TX ready interrupt */
- if (!qmgr_stat_empty(txreadyq)) {
+ /* really empty in fact */
+ if (!qmgr_stat_below_low_watermark(txreadyq)) {
#if DEBUG_TX
printk(KERN_DEBUG "%s: eth_xmit ready again\n",
dev->name);
@@ -814,29 +816,29 @@ static int request_queues(struct port *port)
int err;
err = qmgr_request_queue(RXFREE_QUEUE(port->id), RX_DESCS, 0, 0,
- "%s:RX-free", port->netdev->name);
+ "%s:RX-free", port->netdev->name);
if (err)
return err;
err = qmgr_request_queue(port->plat->rxq, RX_DESCS, 0, 0,
- "%s:RX", port->netdev->name);
+ "%s:RX", port->netdev->name);
if (err)
goto rel_rxfree;
err = qmgr_request_queue(TX_QUEUE(port->id), TX_DESCS, 0, 0,
- "%s:TX", port->netdev->name);
+ "%s:TX", port->netdev->name);
if (err)
goto rel_rx;
err = qmgr_request_queue(port->plat->txreadyq, TX_DESCS, 0, 0,
- "%s:TX-ready", port->netdev->name);
+ "%s:TX-ready", port->netdev->name);
if (err)
goto rel_tx;
/* TX-done queue handles skbs sent out by the NPEs */
if (!ports_open) {
err = qmgr_request_queue(TXDONE_QUEUE, TXDONE_QUEUE_LEN, 0, 0,
- "%s:TX-done", DRV_NAME);
+ "%s:TX-done", DRV_NAME);
if (err)
goto rel_txready;
}
diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index 765a7f5d6aa4..a6dc317083d3 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c
@@ -579,7 +579,8 @@ static inline void queue_put_desc(unsigned int queue, u32 phys,
debug_desc(phys, desc);
BUG_ON(phys & 0x1F);
qmgr_put_entry(queue, phys);
- BUG_ON(qmgr_stat_overflow(queue));
+ /* Don't check for queue overflow here, we've allocated sufficient
+ length and queues >= 32 don't support this check anyway. */
}
@@ -789,10 +790,10 @@ static void hss_hdlc_txdone_irq(void *pdev)
free_buffer_irq(port->tx_buff_tab[n_desc]);
port->tx_buff_tab[n_desc] = NULL;
- start = qmgr_stat_empty(port->plat->txreadyq);
+ start = qmgr_stat_below_low_watermark(port->plat->txreadyq);
queue_put_desc(port->plat->txreadyq,
tx_desc_phys(port, n_desc), desc);
- if (start) {
+ if (start) { /* TX-ready queue was empty */
#if DEBUG_TX
printk(KERN_DEBUG "%s: hss_hdlc_txdone_irq xmit"
" ready\n", dev->name);
@@ -867,13 +868,13 @@ static int hss_hdlc_xmit(struct sk_buff *skb, struct net_device *dev)
queue_put_desc(queue_ids[port->id].tx, tx_desc_phys(port, n), desc);
dev->trans_start = jiffies;
- if (qmgr_stat_empty(txreadyq)) {
+ if (qmgr_stat_below_low_watermark(txreadyq)) { /* empty */
#if DEBUG_TX
printk(KERN_DEBUG "%s: hss_hdlc_xmit queue full\n", dev->name);
#endif
netif_stop_queue(dev);
/* we could miss TX ready interrupt */
- if (!qmgr_stat_empty(txreadyq)) {
+ if (!qmgr_stat_below_low_watermark(txreadyq)) {
#if DEBUG_TX
printk(KERN_DEBUG "%s: hss_hdlc_xmit ready again\n",
dev->name);
diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c
index f7a3283dd029..551332e4ed02 100644
--- a/drivers/rtc/rtc-ep93xx.c
+++ b/drivers/rtc/rtc-ep93xx.c
@@ -12,32 +12,56 @@
#include <linux/module.h>
#include <linux/rtc.h>
#include <linux/platform_device.h>
-#include <mach/hardware.h>
+#include <linux/io.h>
+
+#define EP93XX_RTC_DATA 0x000
+#define EP93XX_RTC_MATCH 0x004
+#define EP93XX_RTC_STATUS 0x008
+#define EP93XX_RTC_STATUS_INTR (1<<0)
+#define EP93XX_RTC_LOAD 0x00C
+#define EP93XX_RTC_CONTROL 0x010
+#define EP93XX_RTC_CONTROL_MIE (1<<0)
+#define EP93XX_RTC_SWCOMP 0x108
+#define EP93XX_RTC_SWCOMP_DEL_MASK 0x001f0000
+#define EP93XX_RTC_SWCOMP_DEL_SHIFT 16
+#define EP93XX_RTC_SWCOMP_INT_MASK 0x0000ffff
+#define EP93XX_RTC_SWCOMP_INT_SHIFT 0
+
+#define DRV_VERSION "0.3"
-#define EP93XX_RTC_REG(x) (EP93XX_RTC_BASE + (x))
-#define EP93XX_RTC_DATA EP93XX_RTC_REG(0x0000)
-#define EP93XX_RTC_LOAD EP93XX_RTC_REG(0x000C)
-#define EP93XX_RTC_SWCOMP EP93XX_RTC_REG(0x0108)
-
-#define DRV_VERSION "0.2"
+/*
+ * struct device dev.platform_data is used to store our private data
+ * because struct rtc_device does not have a variable to hold it.
+ */
+struct ep93xx_rtc {
+ void __iomem *mmio_base;
+};
-static int ep93xx_get_swcomp(struct device *dev, unsigned short *preload,
+static int ep93xx_rtc_get_swcomp(struct device *dev, unsigned short *preload,
unsigned short *delete)
{
- unsigned short comp = __raw_readl(EP93XX_RTC_SWCOMP);
+ struct ep93xx_rtc *ep93xx_rtc = dev->platform_data;
+ unsigned long comp;
+
+ comp = __raw_readl(ep93xx_rtc->mmio_base + EP93XX_RTC_SWCOMP);
if (preload)
- *preload = comp & 0xffff;
+ *preload = (comp & EP93XX_RTC_SWCOMP_INT_MASK)
+ >> EP93XX_RTC_SWCOMP_INT_SHIFT;
if (delete)
- *delete = (comp >> 16) & 0x1f;
+ *delete = (comp & EP93XX_RTC_SWCOMP_DEL_MASK)
+ >> EP93XX_RTC_SWCOMP_DEL_SHIFT;
return 0;
}
static int ep93xx_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
- unsigned long time = __raw_readl(EP93XX_RTC_DATA);
+ struct ep93xx_rtc *ep93xx_rtc = dev->platform_data;
+ unsigned long time;
+
+ time = __raw_readl(ep93xx_rtc->mmio_base + EP93XX_RTC_DATA);
rtc_time_to_tm(time, tm);
return 0;
@@ -45,7 +69,9 @@ static int ep93xx_rtc_read_time(struct device *dev, struct rtc_time *tm)
static int ep93xx_rtc_set_mmss(struct device *dev, unsigned long secs)
{
- __raw_writel(secs + 1, EP93XX_RTC_LOAD);
+ struct ep93xx_rtc *ep93xx_rtc = dev->platform_data;
+
+ __raw_writel(secs + 1, ep93xx_rtc->mmio_base + EP93XX_RTC_LOAD);
return 0;
}
@@ -53,7 +79,7 @@ static int ep93xx_rtc_proc(struct device *dev, struct seq_file *seq)
{
unsigned short preload, delete;
- ep93xx_get_swcomp(dev, &preload, &delete);
+ ep93xx_rtc_get_swcomp(dev, &preload, &delete);
seq_printf(seq, "preload\t\t: %d\n", preload);
seq_printf(seq, "delete\t\t: %d\n", delete);
@@ -67,54 +93,104 @@ static const struct rtc_class_ops ep93xx_rtc_ops = {
.proc = ep93xx_rtc_proc,
};
-static ssize_t ep93xx_sysfs_show_comp_preload(struct device *dev,
+static ssize_t ep93xx_rtc_show_comp_preload(struct device *dev,
struct device_attribute *attr, char *buf)
{
unsigned short preload;
- ep93xx_get_swcomp(dev, &preload, NULL);
+ ep93xx_rtc_get_swcomp(dev, &preload, NULL);
return sprintf(buf, "%d\n", preload);
}
-static DEVICE_ATTR(comp_preload, S_IRUGO, ep93xx_sysfs_show_comp_preload, NULL);
+static DEVICE_ATTR(comp_preload, S_IRUGO, ep93xx_rtc_show_comp_preload, NULL);
-static ssize_t ep93xx_sysfs_show_comp_delete(struct device *dev,
+static ssize_t ep93xx_rtc_show_comp_delete(struct device *dev,
struct device_attribute *attr, char *buf)
{
unsigned short delete;
- ep93xx_get_swcomp(dev, NULL, &delete);
+ ep93xx_rtc_get_swcomp(dev, NULL, &delete);
return sprintf(buf, "%d\n", delete);
}
-static DEVICE_ATTR(comp_delete, S_IRUGO, ep93xx_sysfs_show_comp_delete, NULL);
+static DEVICE_ATTR(comp_delete, S_IRUGO, ep93xx_rtc_show_comp_delete, NULL);
-static int __devinit ep93xx_rtc_probe(struct platform_device *dev)
+static int __init ep93xx_rtc_probe(struct platform_device *pdev)
{
- struct rtc_device *rtc = rtc_device_register("ep93xx",
- &dev->dev, &ep93xx_rtc_ops, THIS_MODULE);
+ struct ep93xx_rtc *ep93xx_rtc;
+ struct resource *res;
+ struct rtc_device *rtc;
+ int err;
+
+ ep93xx_rtc = kzalloc(sizeof(struct ep93xx_rtc), GFP_KERNEL);
+ if (ep93xx_rtc == NULL)
+ return -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (res == NULL)
+ return -ENXIO;
+
+ res = request_mem_region(res->start, resource_size(res), pdev->name);
+ if (res == NULL)
+ return -EBUSY;
+
+ ep93xx_rtc->mmio_base = ioremap(res->start, resource_size(res));
+ if (ep93xx_rtc->mmio_base == NULL) {
+ err = -ENXIO;
+ goto fail;
+ }
+ pdev->dev.platform_data = ep93xx_rtc;
+
+ rtc = rtc_device_register(pdev->name,
+ &pdev->dev, &ep93xx_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc)) {
- return PTR_ERR(rtc);
+ err = PTR_ERR(rtc);
+ goto fail;
}
- platform_set_drvdata(dev, rtc);
+ platform_set_drvdata(pdev, rtc);
- device_create_file(&dev->dev, &dev_attr_comp_preload);
- device_create_file(&dev->dev, &dev_attr_comp_delete);
+ err = device_create_file(&pdev->dev, &dev_attr_comp_preload);
+ if (err)
+ goto fail;
+ err = device_create_file(&pdev->dev, &dev_attr_comp_delete);
+ if (err) {
+ device_remove_file(&pdev->dev, &dev_attr_comp_preload);
+ goto fail;
+ }
return 0;
+
+fail:
+ if (ep93xx_rtc->mmio_base) {
+ iounmap(ep93xx_rtc->mmio_base);
+ pdev->dev.platform_data = NULL;
+ }
+ release_mem_region(res->start, resource_size(res));
+ return err;
}
-static int __devexit ep93xx_rtc_remove(struct platform_device *dev)
+static int __exit ep93xx_rtc_remove(struct platform_device *pdev)
{
- struct rtc_device *rtc = platform_get_drvdata(dev);
+ struct rtc_device *rtc = platform_get_drvdata(pdev);
+ struct ep93xx_rtc *ep93xx_rtc = pdev->dev.platform_data;
+ struct resource *res;
+
+ /* cleanup sysfs */
+ device_remove_file(&pdev->dev, &dev_attr_comp_delete);
+ device_remove_file(&pdev->dev, &dev_attr_comp_preload);
+
+ rtc_device_unregister(rtc);
+
+ iounmap(ep93xx_rtc->mmio_base);
+ pdev->dev.platform_data = NULL;
- if (rtc)
- rtc_device_unregister(rtc);
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ release_mem_region(res->start, resource_size(res));
- platform_set_drvdata(dev, NULL);
+ platform_set_drvdata(pdev, NULL);
return 0;
}
@@ -122,23 +198,22 @@ static int __devexit ep93xx_rtc_remove(struct platform_device *dev)
/* work with hotplug and coldplug */
MODULE_ALIAS("platform:ep93xx-rtc");
-static struct platform_driver ep93xx_rtc_platform_driver = {
+static struct platform_driver ep93xx_rtc_driver = {
.driver = {
.name = "ep93xx-rtc",
.owner = THIS_MODULE,
},
- .probe = ep93xx_rtc_probe,
- .remove = __devexit_p(ep93xx_rtc_remove),
+ .remove = __exit_p(ep93xx_rtc_remove),
};
static int __init ep93xx_rtc_init(void)
{
- return platform_driver_register(&ep93xx_rtc_platform_driver);
+ return platform_driver_probe(&ep93xx_rtc_driver, ep93xx_rtc_probe);
}
static void __exit ep93xx_rtc_exit(void)
{
- platform_driver_unregister(&ep93xx_rtc_platform_driver);
+ platform_driver_unregister(&ep93xx_rtc_driver);
}
MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 9f460b175c50..3f5d5a200481 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -66,7 +66,7 @@
#define ONEMS 0xb0 /* One Millisecond register */
#define UTS 0xb4 /* UART Test Register */
#endif
-#if defined(CONFIG_ARCH_IMX) || defined(CONFIG_ARCH_MX1)
+#ifdef CONFIG_ARCH_MX1
#define BIPR1 0xb0 /* Incremental Preset Register 1 */
#define BIPR2 0xb4 /* Incremental Preset Register 2 */
#define BIPR3 0xb8 /* Incremental Preset Register 3 */
@@ -96,7 +96,7 @@
#define UCR1_RTSDEN (1<<5) /* RTS delta interrupt enable */
#define UCR1_SNDBRK (1<<4) /* Send break */
#define UCR1_TDMAEN (1<<3) /* Transmitter ready DMA enable */
-#if defined(CONFIG_ARCH_IMX) || defined(CONFIG_ARCH_MX1)
+#ifdef CONFIG_ARCH_MX1
#define UCR1_UARTCLKEN (1<<2) /* UART clock enabled */
#endif
#if defined CONFIG_ARCH_MX3 || defined CONFIG_ARCH_MX2
@@ -127,7 +127,7 @@
#define UCR3_RXDSEN (1<<6) /* Receive status interrupt enable */
#define UCR3_AIRINTEN (1<<5) /* Async IR wake interrupt enable */
#define UCR3_AWAKEN (1<<4) /* Async wake interrupt enable */
-#ifdef CONFIG_ARCH_IMX
+#ifdef CONFIG_ARCH_MX1
#define UCR3_REF25 (1<<3) /* Ref freq 25 MHz, only on mx1 */
#define UCR3_REF30 (1<<2) /* Ref Freq 30 MHz, only on mx1 */
#endif
@@ -180,13 +180,6 @@
#define UTS_SOFTRST (1<<0) /* Software reset */
/* We've been assigned a range on the "Low-density serial ports" major */
-#ifdef CONFIG_ARCH_IMX
-#define SERIAL_IMX_MAJOR 204
-#define MINOR_START 41
-#define DEV_NAME "ttySMX"
-#define MAX_INTERNAL_IRQ IMX_IRQS
-#endif
-
#ifdef CONFIG_ARCH_MXC
#define SERIAL_IMX_MAJOR 207
#define MINOR_START 16
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 83a185d52961..7c61251bea61 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -118,7 +118,7 @@ config SPI_GPIO
config SPI_IMX
tristate "Freescale iMX SPI controller"
- depends on ARCH_IMX && EXPERIMENTAL
+ depends on ARCH_MX1 && EXPERIMENTAL
help
This enables using the Freescale iMX SPI controller in master
mode.
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 0048f1185a60..8083d862ebc5 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -397,7 +397,7 @@ config FB_SA1100
config FB_IMX
tristate "Motorola i.MX LCD support"
- depends on FB && (ARCH_IMX || ARCH_MX2)
+ depends on FB && (ARCH_MX1 || ARCH_MX2)
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c
index 9894de1c9b9f..b7af5256e887 100644
--- a/drivers/video/mx3fb.c
+++ b/drivers/video/mx3fb.c
@@ -706,7 +706,7 @@ static void mx3fb_dma_done(void *arg)
dev_dbg(mx3fb->dev, "irq %d callback\n", ichannel->eof_irq);
/* We only need one interrupt, it will be re-enabled as needed */
- disable_irq(ichannel->eof_irq);
+ disable_irq_nosync(ichannel->eof_irq);
complete(&mx3_fbi->flip_cmpl);
}
@@ -1366,7 +1366,7 @@ static int init_fb_chan(struct mx3fb_data *mx3fb, struct idmac_channel *ichan)
mx3fb_blank(FB_BLANK_UNBLANK, fbi);
- dev_info(dev, "mx3fb: fb registered, using mode %s\n", fb_mode);
+ dev_info(dev, "registered, using mode %s\n", fb_mode);
ret = register_framebuffer(fbi);
if (ret < 0)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 01:45:14 +0100