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-rw-r--r--arch/mips/lantiq/xway/dma.c41
-rw-r--r--arch/mips/lantiq/xway/gptu.c3
-rw-r--r--arch/mips/lantiq/xway/sysctrl.c12
3 files changed, 28 insertions, 28 deletions
diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c
index cef811755123..805b3a6ab2d6 100644
--- a/arch/mips/lantiq/xway/dma.c
+++ b/arch/mips/lantiq/xway/dma.c
@@ -19,7 +19,8 @@
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/dma-mapping.h>
-#include <linux/module.h>
+#include <linux/export.h>
+#include <linux/spinlock.h>
#include <linux/clk.h>
#include <linux/err.h>
@@ -59,16 +60,17 @@
ltq_dma_membase + (z))
static void __iomem *ltq_dma_membase;
+static DEFINE_SPINLOCK(ltq_dma_lock);
void
ltq_dma_enable_irq(struct ltq_dma_channel *ch)
{
unsigned long flags;
- local_irq_save(flags);
+ spin_lock_irqsave(&ltq_dma_lock, flags);
ltq_dma_w32(ch->nr, LTQ_DMA_CS);
ltq_dma_w32_mask(0, 1 << ch->nr, LTQ_DMA_IRNEN);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ltq_dma_lock, flags);
}
EXPORT_SYMBOL_GPL(ltq_dma_enable_irq);
@@ -77,10 +79,10 @@ ltq_dma_disable_irq(struct ltq_dma_channel *ch)
{
unsigned long flags;
- local_irq_save(flags);
+ spin_lock_irqsave(&ltq_dma_lock, flags);
ltq_dma_w32(ch->nr, LTQ_DMA_CS);
ltq_dma_w32_mask(1 << ch->nr, 0, LTQ_DMA_IRNEN);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ltq_dma_lock, flags);
}
EXPORT_SYMBOL_GPL(ltq_dma_disable_irq);
@@ -89,10 +91,10 @@ ltq_dma_ack_irq(struct ltq_dma_channel *ch)
{
unsigned long flags;
- local_irq_save(flags);
+ spin_lock_irqsave(&ltq_dma_lock, flags);
ltq_dma_w32(ch->nr, LTQ_DMA_CS);
ltq_dma_w32(DMA_IRQ_ACK, LTQ_DMA_CIS);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ltq_dma_lock, flags);
}
EXPORT_SYMBOL_GPL(ltq_dma_ack_irq);
@@ -101,11 +103,11 @@ ltq_dma_open(struct ltq_dma_channel *ch)
{
unsigned long flag;
- local_irq_save(flag);
+ spin_lock_irqsave(&ltq_dma_lock, flag);
ltq_dma_w32(ch->nr, LTQ_DMA_CS);
ltq_dma_w32_mask(0, DMA_CHAN_ON, LTQ_DMA_CCTRL);
- ltq_dma_enable_irq(ch);
- local_irq_restore(flag);
+ ltq_dma_w32_mask(0, 1 << ch->nr, LTQ_DMA_IRNEN);
+ spin_unlock_irqrestore(&ltq_dma_lock, flag);
}
EXPORT_SYMBOL_GPL(ltq_dma_open);
@@ -114,11 +116,11 @@ ltq_dma_close(struct ltq_dma_channel *ch)
{
unsigned long flag;
- local_irq_save(flag);
+ spin_lock_irqsave(&ltq_dma_lock, flag);
ltq_dma_w32(ch->nr, LTQ_DMA_CS);
ltq_dma_w32_mask(DMA_CHAN_ON, 0, LTQ_DMA_CCTRL);
- ltq_dma_disable_irq(ch);
- local_irq_restore(flag);
+ ltq_dma_w32_mask(1 << ch->nr, 0, LTQ_DMA_IRNEN);
+ spin_unlock_irqrestore(&ltq_dma_lock, flag);
}
EXPORT_SYMBOL_GPL(ltq_dma_close);
@@ -133,7 +135,7 @@ ltq_dma_alloc(struct ltq_dma_channel *ch)
&ch->phys, GFP_ATOMIC);
memset(ch->desc_base, 0, LTQ_DESC_NUM * LTQ_DESC_SIZE);
- local_irq_save(flags);
+ spin_lock_irqsave(&ltq_dma_lock, flags);
ltq_dma_w32(ch->nr, LTQ_DMA_CS);
ltq_dma_w32(ch->phys, LTQ_DMA_CDBA);
ltq_dma_w32(LTQ_DESC_NUM, LTQ_DMA_CDLEN);
@@ -142,7 +144,7 @@ ltq_dma_alloc(struct ltq_dma_channel *ch)
ltq_dma_w32_mask(0, DMA_CHAN_RST, LTQ_DMA_CCTRL);
while (ltq_dma_r32(LTQ_DMA_CCTRL) & DMA_CHAN_RST)
;
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ltq_dma_lock, flags);
}
void
@@ -152,11 +154,11 @@ ltq_dma_alloc_tx(struct ltq_dma_channel *ch)
ltq_dma_alloc(ch);
- local_irq_save(flags);
+ spin_lock_irqsave(&ltq_dma_lock, flags);
ltq_dma_w32(DMA_DESCPT, LTQ_DMA_CIE);
ltq_dma_w32_mask(0, 1 << ch->nr, LTQ_DMA_IRNEN);
ltq_dma_w32(DMA_WEIGHT | DMA_TX, LTQ_DMA_CCTRL);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ltq_dma_lock, flags);
}
EXPORT_SYMBOL_GPL(ltq_dma_alloc_tx);
@@ -167,11 +169,11 @@ ltq_dma_alloc_rx(struct ltq_dma_channel *ch)
ltq_dma_alloc(ch);
- local_irq_save(flags);
+ spin_lock_irqsave(&ltq_dma_lock, flags);
ltq_dma_w32(DMA_DESCPT, LTQ_DMA_CIE);
ltq_dma_w32_mask(0, 1 << ch->nr, LTQ_DMA_IRNEN);
ltq_dma_w32(DMA_WEIGHT, LTQ_DMA_CCTRL);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ltq_dma_lock, flags);
}
EXPORT_SYMBOL_GPL(ltq_dma_alloc_rx);
@@ -255,7 +257,6 @@ static const struct of_device_id dma_match[] = {
{ .compatible = "lantiq,dma-xway" },
{},
};
-MODULE_DEVICE_TABLE(of, dma_match);
static struct platform_driver dma_driver = {
.probe = ltq_dma_init,
diff --git a/arch/mips/lantiq/xway/gptu.c b/arch/mips/lantiq/xway/gptu.c
index 0f1bbea1a816..e304aabd6678 100644
--- a/arch/mips/lantiq/xway/gptu.c
+++ b/arch/mips/lantiq/xway/gptu.c
@@ -9,7 +9,7 @@
#include <linux/interrupt.h>
#include <linux/ioport.h>
-#include <linux/module.h>
+#include <linux/init.h>
#include <linux/of_platform.h>
#include <linux/of_irq.h>
@@ -187,7 +187,6 @@ static const struct of_device_id gptu_match[] = {
{ .compatible = "lantiq,gptu-xway" },
{},
};
-MODULE_DEVICE_TABLE(of, dma_match);
static struct platform_driver dma_driver = {
.probe = gptu_probe,
diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c
index 236193b5210b..3c3aa05891dd 100644
--- a/arch/mips/lantiq/xway/sysctrl.c
+++ b/arch/mips/lantiq/xway/sysctrl.c
@@ -469,8 +469,8 @@ void __init ltq_soc_init(void)
panic("Failed to load xbar nodes from devicetree");
if (of_address_to_resource(np_pmu, 0, &res_xbar))
panic("Failed to get xbar resources");
- if (request_mem_region(res_xbar.start, resource_size(&res_xbar),
- res_xbar.name) < 0)
+ if (!request_mem_region(res_xbar.start, resource_size(&res_xbar),
+ res_xbar.name))
panic("Failed to get xbar resources");
ltq_xbar_membase = ioremap_nocache(res_xbar.start,
@@ -545,7 +545,7 @@ void __init ltq_soc_init(void)
clkdev_add_pmu("1a800000.pcie", "msi", 1, 1, PMU1_PCIE2_MSI);
clkdev_add_pmu("1a800000.pcie", "pdi", 1, 1, PMU1_PCIE2_PDI);
clkdev_add_pmu("1a800000.pcie", "ctl", 1, 1, PMU1_PCIE2_CTL);
- clkdev_add_pmu("1e108000.eth", NULL, 1, 0, PMU_SWITCH | PMU_PPE_DP);
+ clkdev_add_pmu("1e108000.eth", NULL, 0, 0, PMU_SWITCH | PMU_PPE_DP);
clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
} else if (of_machine_is_compatible("lantiq,ar10")) {
@@ -553,7 +553,7 @@ void __init ltq_soc_init(void)
ltq_ar10_fpi_hz(), ltq_ar10_pp32_hz());
clkdev_add_pmu("1e101000.usb", "ctl", 1, 0, PMU_USB0);
clkdev_add_pmu("1e106000.usb", "ctl", 1, 0, PMU_USB1);
- clkdev_add_pmu("1e108000.eth", NULL, 1, 0, PMU_SWITCH |
+ clkdev_add_pmu("1e108000.eth", NULL, 0, 0, PMU_SWITCH |
PMU_PPE_DP | PMU_PPE_TC);
clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
clkdev_add_pmu("1f203000.rcu", "gphy", 1, 0, PMU_GPHY);
@@ -575,11 +575,11 @@ void __init ltq_soc_init(void)
clkdev_add_pmu(NULL, "ahb", 1, 0, PMU_AHBM | PMU_AHBS);
clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
- clkdev_add_pmu("1e108000.eth", NULL, 1, 0,
+ clkdev_add_pmu("1e108000.eth", NULL, 0, 0,
PMU_SWITCH | PMU_PPE_DPLUS | PMU_PPE_DPLUM |
PMU_PPE_EMA | PMU_PPE_TC | PMU_PPE_SLL01 |
PMU_PPE_QSB | PMU_PPE_TOP);
- clkdev_add_pmu("1f203000.rcu", "gphy", 1, 0, PMU_GPHY);
+ clkdev_add_pmu("1f203000.rcu", "gphy", 0, 0, PMU_GPHY);
clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
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