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r8169: add helper tp_to_dev
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In several places struct device is referenced by using &tp->pci_dev->dev.
Add helper tp_to_dev() to improve code readability.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Heiner Kallweit authored and David S. Miller committed Mar 22, 2018
1 parent 73c86ee commit 1e1205b
Showing 1 changed file with 22 additions and 15 deletions.
37 changes: 22 additions & 15 deletions drivers/net/ethernet/realtek/r8169.c
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Original file line number Diff line number Diff line change
Expand Up @@ -887,6 +887,11 @@ MODULE_FIRMWARE(FIRMWARE_8168H_2);
MODULE_FIRMWARE(FIRMWARE_8107E_1);
MODULE_FIRMWARE(FIRMWARE_8107E_2);

static inline struct device *tp_to_dev(struct rtl8169_private *tp)
{
return &tp->pci_dev->dev;
}

static void rtl_lock_work(struct rtl8169_private *tp)
{
mutex_lock(&tp->wk.mutex);
Expand Down Expand Up @@ -1609,17 +1614,19 @@ static void rtl_link_chg_patch(struct rtl8169_private *tp)
static void rtl8169_check_link_status(struct net_device *dev,
struct rtl8169_private *tp)
{
struct device *d = tp_to_dev(tp);

if (tp->link_ok(tp)) {
rtl_link_chg_patch(tp);
/* This is to cancel a scheduled suspend if there's one. */
pm_request_resume(&tp->pci_dev->dev);
pm_request_resume(d);
netif_carrier_on(dev);
if (net_ratelimit())
netif_info(tp, ifup, dev, "link up\n");
} else {
netif_carrier_off(dev);
netif_info(tp, ifdown, dev, "link down\n");
pm_runtime_idle(&tp->pci_dev->dev);
pm_runtime_idle(d);
}
}

Expand Down Expand Up @@ -1678,7 +1685,7 @@ static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct rtl8169_private *tp = netdev_priv(dev);
struct device *d = &tp->pci_dev->dev;
struct device *d = tp_to_dev(tp);

pm_runtime_get_noresume(d);

Expand Down Expand Up @@ -1781,7 +1788,7 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct rtl8169_private *tp = netdev_priv(dev);
struct device *d = &tp->pci_dev->dev;
struct device *d = tp_to_dev(tp);

pm_runtime_get_noresume(d);

Expand All @@ -1794,7 +1801,7 @@ static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)

rtl_unlock_work(tp);

device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
device_set_wakeup_enable(d, wol->wolopts);

pm_runtime_put_noidle(d);

Expand Down Expand Up @@ -2234,7 +2241,7 @@ static void rtl8169_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *data)
{
struct rtl8169_private *tp = netdev_priv(dev);
struct device *d = &tp->pci_dev->dev;
struct device *d = tp_to_dev(tp);
struct rtl8169_counters *counters = tp->counters;

ASSERT_RTNL();
Expand Down Expand Up @@ -4615,7 +4622,7 @@ static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
static int rtl_set_mac_address(struct net_device *dev, void *p)
{
struct rtl8169_private *tp = netdev_priv(dev);
struct device *d = &tp->pci_dev->dev;
struct device *d = tp_to_dev(tp);
int ret;

ret = eth_mac_addr(dev, p);
Expand Down Expand Up @@ -5261,7 +5268,7 @@ static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
if (!rtl_fw)
goto err_warn;

rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
rc = request_firmware(&rtl_fw->fw, name, tp_to_dev(tp));
if (rc < 0)
goto err_free;

Expand Down Expand Up @@ -6692,7 +6699,7 @@ static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
void **data_buff, struct RxDesc *desc)
{
dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
dma_unmap_single(tp_to_dev(tp), le64_to_cpu(desc->addr), rx_buf_sz,
DMA_FROM_DEVICE);

kfree(*data_buff);
Expand Down Expand Up @@ -6727,7 +6734,7 @@ static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
{
void *data;
dma_addr_t mapping;
struct device *d = &tp->pci_dev->dev;
struct device *d = tp_to_dev(tp);
struct net_device *dev = tp->dev;
int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;

Expand Down Expand Up @@ -6839,7 +6846,7 @@ static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
if (len) {
struct sk_buff *skb = tx_skb->skb;

rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb,
tp->TxDescArray + entry);
if (skb) {
dev_consume_skb_any(skb);
Expand Down Expand Up @@ -6891,7 +6898,7 @@ static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
struct skb_shared_info *info = skb_shinfo(skb);
unsigned int cur_frag, entry;
struct TxDesc *uninitialized_var(txd);
struct device *d = &tp->pci_dev->dev;
struct device *d = tp_to_dev(tp);

entry = tp->cur_tx;
for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
Expand Down Expand Up @@ -7123,7 +7130,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
struct rtl8169_private *tp = netdev_priv(dev);
unsigned int entry = tp->cur_tx % NUM_TX_DESC;
struct TxDesc *txd = tp->TxDescArray + entry;
struct device *d = &tp->pci_dev->dev;
struct device *d = tp_to_dev(tp);
dma_addr_t mapping;
u32 status, len;
u32 opts[2];
Expand Down Expand Up @@ -7287,7 +7294,7 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp)
*/
dma_rmb();

rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb,
tp->TxDescArray + entry);
if (status & LastFrag) {
u64_stats_update_begin(&tp->tx_stats.syncp);
Expand Down Expand Up @@ -7348,7 +7355,7 @@ static struct sk_buff *rtl8169_try_rx_copy(void *data,
dma_addr_t addr)
{
struct sk_buff *skb;
struct device *d = &tp->pci_dev->dev;
struct device *d = tp_to_dev(tp);

data = rtl8169_align(data);
dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
Expand Down

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