1 files changed, 7 insertions, 125 deletions
diff --git a/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch b/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch
index 951c6d40e9..7c4323e452 100644
--- a/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch
+++ b/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch
@@ -1,136 +1,18 @@
---- a/drivers/bcma/driver_chipcommon.c
-+++ b/drivers/bcma/driver_chipcommon.c
-@@ -70,6 +70,8 @@ void bcma_core_chipcommon_init(struct bc
- 			 (leddc_off << BCMA_CC_GPIOTIMER_OFFTIME_SHIFT)));
- 	}
- 
-+	spin_lock_init(&cc->gpio_lock);
-+
- 	cc->setup_done = true;
- }
- 
-@@ -92,34 +94,81 @@ u32 bcma_chipco_irq_status(struct bcma_d
- 
- u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask)
- {
--	return bcma_cc_read32(cc, BCMA_CC_GPIOIN) & mask;
-+	unsigned long flags;
-+	u32 res;
-+
-+	spin_lock_irqsave(&cc->gpio_lock, flags);
-+	res = bcma_cc_read32(cc, BCMA_CC_GPIOIN) & mask;
-+	spin_unlock_irqrestore(&cc->gpio_lock, flags);
-+
-+	return res;
- }
-+EXPORT_SYMBOL_GPL(bcma_chipco_gpio_in);
- 
- u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value)
- {
--	return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUT, mask, value);
-+	unsigned long flags;
-+	u32 res;
-+
-+	spin_lock_irqsave(&cc->gpio_lock, flags);
-+	res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUT, mask, value);
-+	spin_unlock_irqrestore(&cc->gpio_lock, flags);
-+
-+	return res;
- }
-+EXPORT_SYMBOL_GPL(bcma_chipco_gpio_out);
- 
- u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value)
- {
--	return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUTEN, mask, value);
-+	unsigned long flags;
-+	u32 res;
-+
-+	spin_lock_irqsave(&cc->gpio_lock, flags);
-+	res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUTEN, mask, value);
-+	spin_unlock_irqrestore(&cc->gpio_lock, flags);
-+
-+	return res;
- }
-+EXPORT_SYMBOL_GPL(bcma_chipco_gpio_outen);
- 
- u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value)
- {
--	return bcma_cc_write32_masked(cc, BCMA_CC_GPIOCTL, mask, value);
-+	unsigned long flags;
-+	u32 res;
-+
-+	spin_lock_irqsave(&cc->gpio_lock, flags);
-+	res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOCTL, mask, value);
-+	spin_unlock_irqrestore(&cc->gpio_lock, flags);
-+
-+	return res;
- }
- EXPORT_SYMBOL_GPL(bcma_chipco_gpio_control);
- 
- u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, u32 value)
- {
--	return bcma_cc_write32_masked(cc, BCMA_CC_GPIOIRQ, mask, value);
-+	unsigned long flags;
-+	u32 res;
-+
-+	spin_lock_irqsave(&cc->gpio_lock, flags);
-+	res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOIRQ, mask, value);
-+	spin_unlock_irqrestore(&cc->gpio_lock, flags);
-+
-+	return res;
- }
-+EXPORT_SYMBOL_GPL(bcma_chipco_gpio_intmask);
- 
- u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value)
- {
--	return bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value);
-+	unsigned long flags;
-+	u32 res;
-+
-+	spin_lock_irqsave(&cc->gpio_lock, flags);
-+	res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value);
-+	spin_unlock_irqrestore(&cc->gpio_lock, flags);
-+
-+	return res;
- }
-+EXPORT_SYMBOL_GPL(bcma_chipco_gpio_polarity);
- 
- #ifdef CONFIG_BCMA_DRIVER_MIPS
- void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
 --- a/include/linux/bcma/bcma_driver_chipcommon.h
 +++ b/include/linux/bcma/bcma_driver_chipcommon.h
-@@ -495,6 +495,9 @@ struct bcma_drv_cc {
- 	int nr_serial_ports;
- 	struct bcma_serial_port serial_ports[4];
- #endif /* CONFIG_BCMA_DRIVER_MIPS */
-+
-+	/* Lock for GPIO register access. */
-+	spinlock_t gpio_lock;
- };
- 
- /* Register access */
-@@ -525,13 +528,22 @@ void bcma_chipco_irq_mask(struct bcma_dr
+@@ -678,6 +678,8 @@ void bcma_chipco_irq_mask(struct bcma_dr
  
  u32 bcma_chipco_irq_status(struct bcma_drv_cc *cc, u32 mask);
  
 +#define BCMA_CC_GPIO_LINES	16
 +
  /* Chipcommon GPIO pin access. */
--u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask);
--u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value);
--u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value);
--u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value);
--u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, u32 value);
--u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value);
-+extern u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask);
-+extern u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value);
-+extern u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value);
-+extern u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask,
-+				    u32 value);
-+extern u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask,
-+				    u32 value);
-+extern u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask,
-+				     u32 value);
+ u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask);
+ u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value);
+@@ -687,6 +689,10 @@ u32 bcma_chipco_gpio_intmask(struct bcma
+ u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value);
+ u32 bcma_chipco_gpio_pullup(struct bcma_drv_cc *cc, u32 mask, u32 value);
+ u32 bcma_chipco_gpio_pulldown(struct bcma_drv_cc *cc, u32 mask, u32 value);
 +static inline int bcma_chipco_gpio_count(void)
 +{
 +	return BCMA_CC_GPIO_LINES;