et131x_get_regs() calls et131x_mii_read(), passing the address of a u32 which is cast to a (u16 *). This works fine for little endian systems, but not for big endian. Change so that the types are cast, not pointers to the types.
Reported-by: Dan Carpenter <[email protected]> Signed-off-by: Mark Einon <[email protected]> --- drivers/staging/et131x/et131x.c | 97 ++++++++++++++++++++++++--------------- 1 file changed, 61 insertions(+), 36 deletions(-) diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c index f0bc7ba..2b2f315 100644 --- a/drivers/staging/et131x/et131x.c +++ b/drivers/staging/et131x/et131x.c @@ -3456,6 +3456,7 @@ static void et131x_get_regs(struct net_device *netdev, struct address_map __iomem *aregs = adapter->regs; u32 *regs_buff = regs_data; u32 num = 0; + u16 tmp; memset(regs_data, 0, et131x_get_regs_len(netdev)); @@ -3463,44 +3464,68 @@ static void et131x_get_regs(struct net_device *netdev, adapter->pdev->device; /* PHY regs */ - et131x_mii_read(adapter, MII_BMCR, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, MII_BMSR, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, MII_PHYSID1, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, MII_PHYSID2, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, MII_ADVERTISE, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, MII_LPA, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, MII_EXPANSION, (u16 *)®s_buff[num++]); + et131x_mii_read(adapter, MII_BMCR, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, MII_BMSR, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, MII_PHYSID1, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, MII_PHYSID2, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, MII_ADVERTISE, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, MII_LPA, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, MII_EXPANSION, &tmp); + regs_buff[num++] = tmp; /* Autoneg next page transmit reg */ - et131x_mii_read(adapter, 0x07, (u16 *)®s_buff[num++]); + et131x_mii_read(adapter, 0x07, &tmp); + regs_buff[num++] = tmp; /* Link partner next page reg */ - et131x_mii_read(adapter, 0x08, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, MII_CTRL1000, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, MII_STAT1000, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, 0x0b, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, 0x0c, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, MII_MMD_CTRL, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, MII_MMD_DATA, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, MII_ESTATUS, (u16 *)®s_buff[num++]); - - et131x_mii_read(adapter, PHY_INDEX_REG, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, PHY_DATA_REG, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG, - (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, PHY_LOOPBACK_CONTROL, - (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, PHY_LOOPBACK_CONTROL+1, - (u16 *)®s_buff[num++]); - - et131x_mii_read(adapter, PHY_REGISTER_MGMT_CONTROL, - (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, PHY_CONFIG, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, PHY_PHY_CONTROL, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, PHY_INTERRUPT_MASK, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, PHY_INTERRUPT_STATUS, - (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, PHY_PHY_STATUS, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, PHY_LED_1, (u16 *)®s_buff[num++]); - et131x_mii_read(adapter, PHY_LED_2, (u16 *)®s_buff[num++]); + et131x_mii_read(adapter, 0x08, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, MII_CTRL1000, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, MII_STAT1000, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, 0x0b, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, 0x0c, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, MII_MMD_CTRL, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, MII_MMD_DATA, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, MII_ESTATUS, &tmp); + regs_buff[num++] = tmp; + + et131x_mii_read(adapter, PHY_INDEX_REG, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, PHY_DATA_REG, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, PHY_LOOPBACK_CONTROL, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, PHY_LOOPBACK_CONTROL + 1, &tmp); + regs_buff[num++] = tmp; + + et131x_mii_read(adapter, PHY_REGISTER_MGMT_CONTROL, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, PHY_CONFIG, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, PHY_PHY_CONTROL, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, PHY_INTERRUPT_MASK, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, PHY_INTERRUPT_STATUS, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, PHY_PHY_STATUS, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, PHY_LED_1, &tmp); + regs_buff[num++] = tmp; + et131x_mii_read(adapter, PHY_LED_2, &tmp); + regs_buff[num++] = tmp; /* Global regs */ regs_buff[num++] = readl(&aregs->global.txq_start_addr); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
