diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/busses/i2c-omap.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index e6792ab..0254da4 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -42,12 +42,12 @@ #include <linux/pm_runtime.h> /* I2C controller revisions */ -#define OMAP_I2C_REV_2 0x20 +#define OMAP_I2C_OMAP1_REV_2 0x20 /* I2C controller revisions present on specific hardware */ #define OMAP_I2C_REV_ON_2430 0x36 #define OMAP_I2C_REV_ON_3430 0x3C -#define OMAP_I2C_REV_ON_4430 0x40 +#define OMAP_I2C_REV_ON_3530_4430 0x40 /* timeout waiting for the controller to respond */ #define OMAP_I2C_TIMEOUT (msecs_to_jiffies(1000)) @@ -314,7 +314,7 @@ static void omap_i2c_idle(struct omap_i2c_dev *dev) else omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, 0); - if (dev->rev < OMAP_I2C_REV_2) { + if (dev->rev < OMAP_I2C_OMAP1_REV_2) { iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG); /* Read clears */ } else { omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, dev->iestate); @@ -336,7 +336,7 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) unsigned long internal_clk = 0; struct clk *fclk; - if (dev->rev >= OMAP_I2C_REV_2) { + if (dev->rev >= OMAP_I2C_OMAP1_REV_2) { /* Disable I2C controller before soft reset */ omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, omap_i2c_read_reg(dev, OMAP_I2C_CON_REG) & @@ -379,7 +379,9 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) * REVISIT: Some wkup sources might not be needed. */ dev->westate = OMAP_I2C_WE_ALL; - omap_i2c_write_reg(dev, OMAP_I2C_WE_REG, dev->westate); + if (dev->rev < OMAP_I2C_REV_ON_3530_4430) + omap_i2c_write_reg(dev, OMAP_I2C_WE_REG, + dev->westate); } } omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0); @@ -721,7 +723,7 @@ static inline void i2c_omap_errata_i207(struct omap_i2c_dev *dev, u16 stat) #ifdef CONFIG_ARCH_OMAP15XX static irqreturn_t -omap_i2c_rev1_isr(int this_irq, void *dev_id) +omap_i2c_omap1_isr(int this_irq, void *dev_id) { struct omap_i2c_dev *dev = dev_id; u16 iv, w; @@ -775,7 +777,7 @@ omap_i2c_rev1_isr(int this_irq, void *dev_id) return IRQ_HANDLED; } #else -#define omap_i2c_rev1_isr NULL +#define omap_i2c_omap1_isr NULL #endif /* @@ -1060,7 +1062,7 @@ omap_i2c_probe(struct platform_device *pdev) * size. This is to ensure that we can handle the status on int * call back latencies. */ - if (dev->rev >= OMAP_I2C_REV_ON_4430) { + if (dev->rev >= OMAP_I2C_REV_ON_3530_4430) { dev->fifo_size = 0; dev->b_hw = 0; /* Disable hardware fixes */ } else { @@ -1076,7 +1078,8 @@ omap_i2c_probe(struct platform_device *pdev) /* reset ASAP, clearing any IRQs */ omap_i2c_init(dev); - isr = (dev->rev < OMAP_I2C_REV_2) ? omap_i2c_rev1_isr : omap_i2c_isr; + isr = (dev->rev < OMAP_I2C_OMAP1_REV_2) ? omap_i2c_omap1_isr : + omap_i2c_isr; r = request_irq(dev->irq, isr, 0, pdev->name, dev); if (r) { |