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ramips: ramips_esw: introduce rt305x_esw_rmw{,_raw} function 

SVN-Revision: 24336
owl
Gabor Juhos 2010-12-08 10:15:16 +00:00
parent 7b878dde4b
commit 0d2ad7a816
1 changed files with 23 additions and 0 deletions
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23
target/linux/ramips/files/drivers/net/ramips_esw.c
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@ -31,6 +31,7 @@
struct rt305x_esw {
void __iomem *base;
struct rt305x_esw_platform_data *pdata;
spinlock_t reg_rw_lock;
};
static inline void
@ -45,6 +46,27 @@ rt305x_esw_rr(struct rt305x_esw *esw, unsigned reg)
return __raw_readl(esw->base + reg);
}
static inline void
rt305x_esw_rmw_raw(struct rt305x_esw *esw, unsigned reg, unsigned long mask,
unsigned long val)
{
unsigned long t;
t = __raw_readl(esw->base + reg) & ~mask;
__raw_writel(t | val, esw->base + reg);
}
static void
rt305x_esw_rmw(struct rt305x_esw *esw, unsigned reg, unsigned long mask,
unsigned long val)
{
unsigned long flags;
spin_lock_irqsave(&esw->reg_rw_lock, flags);
rt305x_esw_rmw_raw(esw, reg, mask, val);
spin_unlock_irqrestore(&esw->reg_rw_lock, flags);
}
static u32
rt305x_mii_write(struct rt305x_esw *esw, u32 phy_addr, u32 phy_register,
u32 write_data)
@ -170,6 +192,7 @@ rt305x_esw_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, esw);
esw->pdata = pdata;
spin_lock_init(&esw->reg_rw_lock);
rt305x_esw_hw_init(esw);
return 0;