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path: root/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch
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Diffstat (limited to 'target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch140
1 files changed, 0 insertions, 140 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
deleted file mode 100644
index d00a164..0000000
--- a/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch
+++ /dev/null
@@ -1,140 +0,0 @@
---- a/drivers/bcma/driver_chipcommon.c
-+++ b/drivers/bcma/driver_chipcommon.c
-@@ -158,6 +158,8 @@ void bcma_core_chipcommon_init(struct bc
- }
- cc->ticks_per_ms = bcma_chipco_watchdog_ticks_per_ms(cc);
-
-+ spin_lock_init(&cc->gpio_lock);
-+
- cc->setup_done = true;
- }
-
-@@ -197,34 +199,81 @@ 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
-@@ -555,6 +555,9 @@ struct bcma_drv_cc {
- #endif /* CONFIG_BCMA_DRIVER_MIPS */
- u32 ticks_per_ms;
- struct platform_device *watchdog;
-+
-+ /* Lock for GPIO register access. */
-+ spinlock_t gpio_lock;
- };
-
- /* Register access */
-@@ -584,13 +587,22 @@ 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);
-+static inline int bcma_chipco_gpio_count(void)
-+{
-+ return BCMA_CC_GPIO_LINES;
-+}
-
- /* PMU support */
- extern void bcma_pmu_init(struct bcma_drv_cc *cc);