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-rw-r--r--arch/arm/plat-omap/Makefile3
-rw-r--r--arch/arm/plat-omap/common.c14
-rw-r--r--arch/arm/plat-omap/devices.c7
-rw-r--r--arch/arm/plat-omap/dma.c5
-rw-r--r--arch/arm/plat-omap/include/mach/common.h2
-rw-r--r--arch/arm/plat-omap/include/mach/cpu.h1
-rw-r--r--arch/arm/plat-omap/include/mach/mcbsp.h6
-rw-r--r--arch/arm/plat-omap/include/mach/mmc.h10
-rw-r--r--arch/arm/plat-omap/include/mach/pm.h2
-rw-r--r--arch/arm/plat-omap/mcbsp.c52
10 files changed, 66 insertions, 36 deletions
diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile
index deaff58878a2..04a100cfb8e5 100644
--- a/arch/arm/plat-omap/Makefile
+++ b/arch/arm/plat-omap/Makefile
@@ -18,7 +18,8 @@ obj-$(CONFIG_CPU_FREQ) += cpu-omap.o
obj-$(CONFIG_OMAP_DM_TIMER) += dmtimer.o
obj-$(CONFIG_OMAP_DEBUG_DEVICES) += debug-devices.o
obj-$(CONFIG_OMAP_DEBUG_LEDS) += debug-leds.o
-obj-$(CONFIG_I2C_OMAP) += i2c.o
+i2c-omap-$(CONFIG_I2C_OMAP) := i2c.o
+obj-y += $(i2c-omap-m) $(i2c-omap-y)
# OMAP mailbox framework
obj-$(CONFIG_OMAP_MBOX_FWK) += mailbox.o
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index 0843b8882f93..6825fbb5a056 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -200,20 +200,16 @@ static struct clocksource clocksource_32k = {
};
/*
- * Rounds down to nearest nsec.
- */
-unsigned long long omap_32k_ticks_to_nsecs(unsigned long ticks_32k)
-{
- return cyc2ns(&clocksource_32k, ticks_32k);
-}
-
-/*
* Returns current time from boot in nsecs. It's OK for this to wrap
* around for now, as it's just a relative time stamp.
*/
unsigned long long sched_clock(void)
{
- return omap_32k_ticks_to_nsecs(omap_32k_read());
+ unsigned long long ret;
+
+ ret = (unsigned long long)omap_32k_read();
+ ret = (ret * clocksource_32k.mult_orig) >> clocksource_32k.shift;
+ return ret;
}
static int __init omap_init_clocksource_32k(void)
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index ac15c23fd5da..208dbb121f47 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -200,14 +200,15 @@ void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
/*
* Register MMC devices. Called from mach-omap1 and mach-omap2 device init.
*/
-int __init omap_mmc_add(int id, unsigned long base, unsigned long size,
- unsigned int irq, struct omap_mmc_platform_data *data)
+int __init omap_mmc_add(const char *name, int id, unsigned long base,
+ unsigned long size, unsigned int irq,
+ struct omap_mmc_platform_data *data)
{
struct platform_device *pdev;
struct resource res[OMAP_MMC_NR_RES];
int ret;
- pdev = platform_device_alloc("mmci-omap", id);
+ pdev = platform_device_alloc(name, id);
if (!pdev)
return -ENOMEM;
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index e77373c39f8c..47ec77af4ccb 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -709,6 +709,7 @@ int omap_request_dma(int dev_id, const char *dev_name,
chan->dev_name = dev_name;
chan->callback = callback;
chan->data = data;
+ chan->flags = 0;
#ifndef CONFIG_ARCH_OMAP1
if (cpu_class_is_omap2()) {
@@ -1888,11 +1889,11 @@ static int omap2_dma_handle_ch(int ch)
status = dma_read(CSR(ch));
}
+ dma_write(status, CSR(ch));
+
if (likely(dma_chan[ch].callback != NULL))
dma_chan[ch].callback(ch, status, dma_chan[ch].data);
- dma_write(status, CSR(ch));
-
return 0;
}
diff --git a/arch/arm/plat-omap/include/mach/common.h b/arch/arm/plat-omap/include/mach/common.h
index ef70e2b0f054..e746ec7e785e 100644
--- a/arch/arm/plat-omap/include/mach/common.h
+++ b/arch/arm/plat-omap/include/mach/common.h
@@ -35,7 +35,7 @@ extern void omap_map_common_io(void);
extern struct sys_timer omap_timer;
extern void omap_serial_init(void);
extern void omap_serial_enable_clocks(int enable);
-#ifdef CONFIG_I2C_OMAP
+#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
extern int omap_register_i2c_bus(int bus_id, u32 clkrate,
struct i2c_board_info const *info,
unsigned len);
diff --git a/arch/arm/plat-omap/include/mach/cpu.h b/arch/arm/plat-omap/include/mach/cpu.h
index b2062f1175de..a8e1178a9468 100644
--- a/arch/arm/plat-omap/include/mach/cpu.h
+++ b/arch/arm/plat-omap/include/mach/cpu.h
@@ -339,6 +339,7 @@ IS_OMAP_TYPE(3430, 0x3430)
#define OMAP3430_REV_ES2_0 0x34301034
#define OMAP3430_REV_ES2_1 0x34302034
#define OMAP3430_REV_ES3_0 0x34303034
+#define OMAP3430_REV_ES3_1 0x34304034
/*
* omap_chip bits
diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h
index eef873db3d48..113c2466c86a 100644
--- a/arch/arm/plat-omap/include/mach/mcbsp.h
+++ b/arch/arm/plat-omap/include/mach/mcbsp.h
@@ -344,7 +344,8 @@ struct omap_mcbsp_platform_data {
u8 dma_rx_sync, dma_tx_sync;
u16 rx_irq, tx_irq;
struct omap_mcbsp_ops *ops;
- char const *clk_name;
+ char const **clk_names;
+ int num_clks;
};
struct omap_mcbsp {
@@ -376,7 +377,8 @@ struct omap_mcbsp {
/* Protect the field .free, while checking if the mcbsp is in use */
spinlock_t lock;
struct omap_mcbsp_platform_data *pdata;
- struct clk *clk;
+ struct clk **clks;
+ int num_clks;
};
extern struct omap_mcbsp **mcbsp_ptr;
extern int omap_mcbsp_count;
diff --git a/arch/arm/plat-omap/include/mach/mmc.h b/arch/arm/plat-omap/include/mach/mmc.h
index 031250f02805..73a9e15031b1 100644
--- a/arch/arm/plat-omap/include/mach/mmc.h
+++ b/arch/arm/plat-omap/include/mach/mmc.h
@@ -115,8 +115,9 @@ void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers);
void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers);
-int omap_mmc_add(int id, unsigned long base, unsigned long size,
- unsigned int irq, struct omap_mmc_platform_data *data);
+int omap_mmc_add(const char *name, int id, unsigned long base,
+ unsigned long size, unsigned int irq,
+ struct omap_mmc_platform_data *data);
#else
static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers)
@@ -126,8 +127,9 @@ static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers)
{
}
-static inline int omap_mmc_add(int id, unsigned long base, unsigned long size,
- unsigned int irq, struct omap_mmc_platform_data *data)
+static inline int omap_mmc_add(const char *name, int id, unsigned long base,
+ unsigned long size, unsigned int irq,
+ struct omap_mmc_platform_data *data)
{
return 0;
}
diff --git a/arch/arm/plat-omap/include/mach/pm.h b/arch/arm/plat-omap/include/mach/pm.h
index 2a9c27ad4c37..37e2f0f38b46 100644
--- a/arch/arm/plat-omap/include/mach/pm.h
+++ b/arch/arm/plat-omap/include/mach/pm.h
@@ -108,7 +108,7 @@
!defined(CONFIG_ARCH_OMAP15XX) && \
!defined(CONFIG_ARCH_OMAP16XX) && \
!defined(CONFIG_ARCH_OMAP24XX)
-#error "Power management for this processor not implemented yet"
+#warning "Power management for this processor not implemented yet"
#endif
#ifndef __ASSEMBLER__
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index f2401a831f99..e5842e30e534 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -214,6 +214,7 @@ EXPORT_SYMBOL(omap_mcbsp_set_io_type);
int omap_mcbsp_request(unsigned int id)
{
struct omap_mcbsp *mcbsp;
+ int i;
int err;
if (!omap_mcbsp_check_valid_id(id)) {
@@ -225,7 +226,8 @@ int omap_mcbsp_request(unsigned int id)
if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->request)
mcbsp->pdata->ops->request(id);
- clk_enable(mcbsp->clk);
+ for (i = 0; i < mcbsp->num_clks; i++)
+ clk_enable(mcbsp->clks[i]);
spin_lock(&mcbsp->lock);
if (!mcbsp->free) {
@@ -276,6 +278,7 @@ EXPORT_SYMBOL(omap_mcbsp_request);
void omap_mcbsp_free(unsigned int id)
{
struct omap_mcbsp *mcbsp;
+ int i;
if (!omap_mcbsp_check_valid_id(id)) {
printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
@@ -286,7 +289,8 @@ void omap_mcbsp_free(unsigned int id)
if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free)
mcbsp->pdata->ops->free(id);
- clk_disable(mcbsp->clk);
+ for (i = mcbsp->num_clks - 1; i >= 0; i--)
+ clk_disable(mcbsp->clks[i]);
spin_lock(&mcbsp->lock);
if (mcbsp->free) {
@@ -872,6 +876,7 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
struct omap_mcbsp_platform_data *pdata = pdev->dev.platform_data;
struct omap_mcbsp *mcbsp;
int id = pdev->id - 1;
+ int i;
int ret = 0;
if (!pdata) {
@@ -916,14 +921,25 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
mcbsp->dma_rx_sync = pdata->dma_rx_sync;
mcbsp->dma_tx_sync = pdata->dma_tx_sync;
- if (pdata->clk_name)
- mcbsp->clk = clk_get(&pdev->dev, pdata->clk_name);
- if (IS_ERR(mcbsp->clk)) {
- dev_err(&pdev->dev,
- "Invalid clock configuration for McBSP%d.\n",
- mcbsp->id);
- ret = PTR_ERR(mcbsp->clk);
- goto err_clk;
+ if (pdata->num_clks) {
+ mcbsp->num_clks = pdata->num_clks;
+ mcbsp->clks = kzalloc(mcbsp->num_clks * sizeof(struct clk *),
+ GFP_KERNEL);
+ if (!mcbsp->clks) {
+ ret = -ENOMEM;
+ goto exit;
+ }
+ for (i = 0; i < mcbsp->num_clks; i++) {
+ mcbsp->clks[i] = clk_get(&pdev->dev, pdata->clk_names[i]);
+ if (IS_ERR(mcbsp->clks[i])) {
+ dev_err(&pdev->dev,
+ "Invalid %s configuration for McBSP%d.\n",
+ pdata->clk_names[i], mcbsp->id);
+ ret = PTR_ERR(mcbsp->clks[i]);
+ goto err_clk;
+ }
+ }
+
}
mcbsp->pdata = pdata;
@@ -932,6 +948,9 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
return 0;
err_clk:
+ while (i--)
+ clk_put(mcbsp->clks[i]);
+ kfree(mcbsp->clks);
iounmap(mcbsp->io_base);
err_ioremap:
mcbsp->free = 0;
@@ -942,6 +961,7 @@ exit:
static int __devexit omap_mcbsp_remove(struct platform_device *pdev)
{
struct omap_mcbsp *mcbsp = platform_get_drvdata(pdev);
+ int i;
platform_set_drvdata(pdev, NULL);
if (mcbsp) {
@@ -950,12 +970,18 @@ static int __devexit omap_mcbsp_remove(struct platform_device *pdev)
mcbsp->pdata->ops->free)
mcbsp->pdata->ops->free(mcbsp->id);
- clk_disable(mcbsp->clk);
- clk_put(mcbsp->clk);
+ for (i = mcbsp->num_clks - 1; i >= 0; i--) {
+ clk_disable(mcbsp->clks[i]);
+ clk_put(mcbsp->clks[i]);
+ }
iounmap(mcbsp->io_base);
- mcbsp->clk = NULL;
+ if (mcbsp->num_clks) {
+ kfree(mcbsp->clks);
+ mcbsp->clks = NULL;
+ mcbsp->num_clks = 0;
+ }
mcbsp->free = 0;
mcbsp->dev = NULL;
}
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