net: zynq: Fix clearing statistic

Previous loop was completely bogus. Iterration should go just over
statistic counters.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index fae61a0..41ac829 100644 (file)
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -129,7 +129,8 @@ struct zynq_gem_regs {
        u32 laddr[4][LADDR_HIGH + 1]; /* 0x8c - Specific1 addr low/high reg */
        u32 match[4]; /* 0xa8 - Type ID1 Match reg */
        u32 reserved6[18];
-       u32 stat[44]; /* 0x100 - Octects transmitted Low reg - stat start */
+#define STAT_SIZE      44
+       u32 stat[STAT_SIZE]; /* 0x100 - Octects transmitted Low reg */
 };
 
 /* BD descriptors */
@@ -301,8 +302,6 @@ static int zynq_gem_init(struct eth_device *dev, bd_t * bis)
        u32 i;
        unsigned long clk_rate = 0;
        struct phy_device *phydev;
-       const u32 stat_size = (sizeof(struct zynq_gem_regs) -
-                               offsetof(struct zynq_gem_regs, stat)) / 4;
        struct zynq_gem_regs *regs = (struct zynq_gem_regs *)dev->iobase;
        struct zynq_gem_priv *priv = dev->priv;
        const u32 supported = SUPPORTED_10baseT_Half |
@@ -330,7 +329,7 @@ static int zynq_gem_init(struct eth_device *dev, bd_t * bis)
                writel(0x0, &regs->hashh);
 
                /* Clear all counters */
-               for (i = 0; i <= stat_size; i++)
+               for (i = 0; i < STAT_SIZE; i++)
                        readl(&regs->stat[i]);
 
                /* Setup RxBD space */