summaryrefslogtreecommitdiff
path: root/arch/arm/plat-mxs
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/plat-mxs')
-rw-r--r--arch/arm/plat-mxs/device.c18
-rw-r--r--arch/arm/plat-mxs/dma-apbx.c3
-rw-r--r--arch/arm/plat-mxs/dmaengine.c12
-rw-r--r--arch/arm/plat-mxs/include/mach/device.h6
-rw-r--r--arch/arm/plat-mxs/include/mach/dmaengine.h1
-rw-r--r--arch/arm/plat-mxs/include/mach/timex.h2
-rw-r--r--arch/arm/plat-mxs/timer-nomatch.c9
-rw-r--r--arch/arm/plat-mxs/usb_common.c21
-rw-r--r--arch/arm/plat-mxs/utmixc.c2
9 files changed, 11 insertions, 63 deletions
diff --git a/arch/arm/plat-mxs/device.c b/arch/arm/plat-mxs/device.c
index e3783d3fe87d..027408950382 100644
--- a/arch/arm/plat-mxs/device.c
+++ b/arch/arm/plat-mxs/device.c
@@ -485,16 +485,6 @@ static struct platform_device mxs_persistent = {
};
#endif
-#ifdef CONFIG_FSL_OTP
-static struct platform_device otp_device = {
- .name = "ocotp",
- .id = 0,
- .dev = {
- .release = mxs_nop_release,
- },
-};
-#endif
-
static inline void mxs_init_busfreq(void)
{
(void)platform_device_register(&busfreq_device);
@@ -576,14 +566,6 @@ static struct mxs_dev_lookup dev_lookup[] = {
},
#endif
-#if defined(CONFIG_FSL_OTP)
- {
- .name = "ocotp",
- .size = 1,
- .pdev = &otp_device,
- },
-#endif
-
#if defined(CONFIG_FB_MXS) || defined(CONFIG_FB_MXS_MODULE)
{
.name = "mxs-fb",
diff --git a/arch/arm/plat-mxs/dma-apbx.c b/arch/arm/plat-mxs/dma-apbx.c
index 6d77a6933d98..c27414f8c18d 100644
--- a/arch/arm/plat-mxs/dma-apbx.c
+++ b/arch/arm/plat-mxs/dma-apbx.c
@@ -99,9 +99,6 @@ static void mxs_dma_apbx_info(struct mxs_dma_device *pdev,
reg = __raw_readl(pdev->base + HW_APBX_CTRL2);
info->status = reg >> chan;
info->buf_addr = __raw_readl(pdev->base + HW_APBX_CHn_BAR(chan));
- reg = __raw_readl(pdev->base + HW_APBX_CHn_CMD(chan));
- info->xfer_count = (reg & BM_APBX_CHn_CMD_XFER_COUNT) >> \
- BP_APBX_CHn_CMD_XFER_COUNT;
}
static int
diff --git a/arch/arm/plat-mxs/dmaengine.c b/arch/arm/plat-mxs/dmaengine.c
index 0c2485b18506..52330d3ea9e3 100644
--- a/arch/arm/plat-mxs/dmaengine.c
+++ b/arch/arm/plat-mxs/dmaengine.c
@@ -127,16 +127,14 @@ int mxs_dma_enable(int channel)
if (!(pchan->flags & MXS_DMA_FLAGS_ALLOCATED))
return -EINVAL;
- /*
- * neednot mutex lock, this function will be called in irq context.
- * The mutex may cause process schedule.
- */
pdma = pchan->dma;
+ mutex_lock(&mxs_dma_mutex);
spin_lock_irqsave(&pchan->lock, flags);
if (pchan->pending_num && pdma->enable)
ret = pdma->enable(pchan, channel - pdma->chan_base);
pchan->flags |= MXS_DMA_FLAGS_BUSY;
spin_unlock_irqrestore(&pchan->lock, flags);
+ mutex_unlock(&mxs_dma_mutex);
return ret;
}
EXPORT_SYMBOL(mxs_dma_enable);
@@ -153,11 +151,8 @@ void mxs_dma_disable(int channel)
return;
if (!(pchan->flags & MXS_DMA_FLAGS_BUSY))
return;
- /*
- * neednot mutex lock, this function will be called in irq context.
- * The mutex may cause process schedule.
- */
pdma = pchan->dma;
+ mutex_lock(&mxs_dma_mutex);
spin_lock_irqsave(&pchan->lock, flags);
if (pdma->disable)
pdma->disable(pchan, channel - pdma->chan_base);
@@ -166,6 +161,7 @@ void mxs_dma_disable(int channel)
pchan->pending_num = 0;
list_splice_init(&pchan->active, &pchan->done);
spin_unlock_irqrestore(&pchan->lock, flags);
+ mutex_unlock(&mxs_dma_mutex);
}
EXPORT_SYMBOL(mxs_dma_disable);
diff --git a/arch/arm/plat-mxs/include/mach/device.h b/arch/arm/plat-mxs/include/mach/device.h
index 199ec1e62963..9598ccdaa718 100644
--- a/arch/arm/plat-mxs/include/mach/device.h
+++ b/arch/arm/plat-mxs/include/mach/device.h
@@ -54,12 +54,6 @@ struct mxs_dma_plat_data {
unsigned int chan_num;
};
-struct fsl_otp_data {
- char **fuse_name;
- char *regulator_name;
- unsigned int fuse_num;
-};
-
struct mxs_i2c_plat_data {
unsigned int pioqueue_mode:1;
};
diff --git a/arch/arm/plat-mxs/include/mach/dmaengine.h b/arch/arm/plat-mxs/include/mach/dmaengine.h
index cdf6b1e32a43..eecd260ac5b4 100644
--- a/arch/arm/plat-mxs/include/mach/dmaengine.h
+++ b/arch/arm/plat-mxs/include/mach/dmaengine.h
@@ -106,7 +106,6 @@ struct mxs_dma_info {
#define MXS_DMA_INFO_ERR 0x00000001
#define MXS_DMA_INFO_ERR_STAT 0x00010000
unsigned int buf_addr;
- unsigned int xfer_count;
};
/**
diff --git a/arch/arm/plat-mxs/include/mach/timex.h b/arch/arm/plat-mxs/include/mach/timex.h
index d622dda141f2..9db3d688223a 100644
--- a/arch/arm/plat-mxs/include/mach/timex.h
+++ b/arch/arm/plat-mxs/include/mach/timex.h
@@ -20,4 +20,4 @@
/*
* System time clock is sourced from the 32k clock
*/
-#define CLOCK_TICK_RATE 32000
+#define CLOCK_TICK_RATE 32768
diff --git a/arch/arm/plat-mxs/timer-nomatch.c b/arch/arm/plat-mxs/timer-nomatch.c
index db8906192f16..66c488c99b42 100644
--- a/arch/arm/plat-mxs/timer-nomatch.c
+++ b/arch/arm/plat-mxs/timer-nomatch.c
@@ -21,7 +21,6 @@
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <linux/io.h>
-#include <linux/clk.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
@@ -120,9 +119,9 @@ void mxs_nomatch_timer_init(struct mxs_sys_timer *timer)
online_timer = timer;
- cksrc_mxs_nomatch.mult = clocksource_hz2mult(clk_get_rate(timer->clk),
+ cksrc_mxs_nomatch.mult = clocksource_hz2mult(CLOCK_TICK_RATE,
cksrc_mxs_nomatch.shift);
- ckevt_timrot.mult = div_sc(clk_get_rate(timer->clk), NSEC_PER_SEC,
+ ckevt_timrot.mult = div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC,
ckevt_timrot.shift);
ckevt_timrot.min_delta_ns = clockevent_delta2ns(2, &ckevt_timrot);
ckevt_timrot.max_delta_ns = clockevent_delta2ns(0xFFF, &ckevt_timrot);
@@ -146,7 +145,7 @@ void mxs_nomatch_timer_init(struct mxs_sys_timer *timer)
BM_TIMROT_TIMCTRLn_IRQ_EN,
online_timer->base + HW_TIMROT_TIMCTRLn(1));
- __raw_writel(clk_get_rate(timer->clk) / HZ - 1,
+ __raw_writel(CLOCK_TICK_RATE / HZ - 1,
online_timer->base + HW_TIMROT_TIMCOUNTn(0));
__raw_writel(0xFFFF, online_timer->base + HW_TIMROT_TIMCOUNTn(1));
@@ -182,7 +181,7 @@ void mxs_nomatch_resume_timer(void)
BM_TIMROT_TIMCTRLn_UPDATE |
BM_TIMROT_TIMCTRLn_IRQ_EN,
online_timer->base + HW_TIMROT_TIMCTRLn(1));
- __raw_writel(clk_get_rate(online_timer->clk) / HZ - 1,
+ __raw_writel(CLOCK_TICK_RATE / HZ - 1,
online_timer->base + HW_TIMROT_TIMCOUNTn(0));
__raw_writel(0xFFFF, online_timer->base + HW_TIMROT_TIMCOUNTn(1));
}
diff --git a/arch/arm/plat-mxs/usb_common.c b/arch/arm/plat-mxs/usb_common.c
index 23134489472e..5d8d0b6d9285 100644
--- a/arch/arm/plat-mxs/usb_common.c
+++ b/arch/arm/plat-mxs/usb_common.c
@@ -264,16 +264,13 @@ int usbotg_init(struct platform_device *pdev)
pdata->xcvr_type = xops->xcvr_type;
pdata->pdev = pdev;
+ otg_used = 0;
if (!otg_used) {
pr_debug("%s: grab pins\n", __func__);
if (xops->init)
xops->init(xops);
usb_phy_enable(pdata);
}
- /* Enable internal Phy clock */
- tmp = __raw_readl(pdata->regs + UOG_PORTSC1);
- tmp &= ~PORTSC_PHCD;
- __raw_writel(tmp, pdata->regs + UOG_PORTSC1);
if (pdata->operating_mode == FSL_USB2_DR_HOST) {
/* enable FS/LS device */
@@ -291,22 +288,11 @@ EXPORT_SYMBOL(usbotg_init);
void usbotg_uninit(struct fsl_usb2_platform_data *pdata)
{
- int tmp;
- struct clk *usb_clk;
pr_debug("%s\n", __func__);
if (pdata->xcvr_ops && pdata->xcvr_ops->uninit)
pdata->xcvr_ops->uninit(pdata->xcvr_ops);
- /* Disable internal Phy clock */
- tmp = __raw_readl(pdata->regs + UOG_PORTSC1);
- tmp |= PORTSC_PHCD;
- __raw_writel(tmp, pdata->regs + UOG_PORTSC1);
-
- usb_clk = clk_get(NULL, "usb_clk0");
- clk_disable(usb_clk);
- clk_put(usb_clk);
-
pdata->regs = NULL;
otg_used--;
}
@@ -345,16 +331,11 @@ EXPORT_SYMBOL(fsl_usb_host_init);
void fsl_usb_host_uninit(struct fsl_usb2_platform_data *pdata)
{
- struct clk *usb_clk;
pr_debug("%s\n", __func__);
if (pdata->xcvr_ops && pdata->xcvr_ops->uninit)
pdata->xcvr_ops->uninit(pdata->xcvr_ops);
- usb_clk = clk_get(NULL, "usb_clk1");
- clk_disable(usb_clk);
- clk_put(usb_clk);
-
pdata->regs = NULL;
}
EXPORT_SYMBOL(fsl_usb_host_uninit);
diff --git a/arch/arm/plat-mxs/utmixc.c b/arch/arm/plat-mxs/utmixc.c
index 8e842840e87a..8ad6bd4f3654 100644
--- a/arch/arm/plat-mxs/utmixc.c
+++ b/arch/arm/plat-mxs/utmixc.c
@@ -80,7 +80,7 @@ static void __exit utmixc_exit(void)
#ifdef CONFIG_MXS_VBUS_CURRENT_DRAW
fs_initcall(utmixc_init);
#else
- subsys_initcall(utmixc_init);
+ module_init(utmixc_init);
#endif
module_exit(utmixc_exit);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-14 06:52:09 +0000