Re: [PATCH 4/4] atl1: Ancillary C files for Attansic L1 driver

[Christoph Hellwig <hch@infradead.org>]

> +#define ATL1_STATS_LEN sizeof(atl1_gstrings_stats) / sizeof(struct atl1_stats)

Just use an opencoded ARRAY_SIZE().

> +void atl1_read_pci_cfg(struct atl1_hw *hw, u32 reg, u16 * value)
> +{
> +        struct atl1_adapter *adapter = hw->back;
> +        pci_read_config_word(adapter->pdev, reg, value);
> +}
> +
> +void atl1_write_pci_cfg(struct atl1_hw *hw, u32 reg, u16 * value)
> +{
> +        struct atl1_adapter *adapter = hw->back;
> +        pci_write_config_word(adapter->pdev, reg, *value);
> +}

Please just kill these types of wrappers and use pci_read_config_word/
pci_write_config_word directly.

> +static inline bool atl1_eth_address_valid(u8 * p_addr)
> +{
> +	/* Invalid PermanentAddress ? */
> +	if (((p_addr[0] == 0) &&
> +	     (p_addr[1] == 0) &&
> +	     (p_addr[2] == 0) &&
> +	     (p_addr[3] == 0) && (p_addr[4] == 0) && (p_addr[5] == 0)
> +	    ) || (p_addr[0] & 1)) 
> +		/* Multicast address or Broadcast Address */
> +		return false;
> +
> +	return true;
> +}

Don't we have a generic helper for this kind of thing?