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net: Fix p3_gelic_net sparse warnings
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Rearrange routines to avoid local declarations and remove
unnecessary inline tags.  No functional changes.

Fixes sparse warnings like these:

  ps3_gelic_net.c: error: marked inline, but without a definition

Signed-off-by: Geoff Levand <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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@glevand @davem330
glevand authored and davem330 committed Mar 22, 2013
1 parent 9b5645b commit 6b0c21c
Showing 1 changed file with 117 additions and 123 deletions.
240 changes: 117 additions & 123 deletions drivers/net/ethernet/toshiba/ps3_gelic_net.c
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Original file line number Diff line number Diff line change
Expand Up @@ -58,13 +58,6 @@ MODULE_DESCRIPTION("Gelic Network driver");
MODULE_LICENSE("GPL");


static inline void gelic_card_enable_rxdmac(struct gelic_card *card);
static inline void gelic_card_disable_rxdmac(struct gelic_card *card);
static inline void gelic_card_disable_txdmac(struct gelic_card *card);
static inline void gelic_card_reset_chain(struct gelic_card *card,
struct gelic_descr_chain *chain,
struct gelic_descr *start_descr);

/* set irq_mask */
int gelic_card_set_irq_mask(struct gelic_card *card, u64 mask)
{
Expand All @@ -78,12 +71,12 @@ int gelic_card_set_irq_mask(struct gelic_card *card, u64 mask)
return status;
}

static inline void gelic_card_rx_irq_on(struct gelic_card *card)
static void gelic_card_rx_irq_on(struct gelic_card *card)
{
card->irq_mask |= GELIC_CARD_RXINT;
gelic_card_set_irq_mask(card, card->irq_mask);
}
static inline void gelic_card_rx_irq_off(struct gelic_card *card)
static void gelic_card_rx_irq_off(struct gelic_card *card)
{
card->irq_mask &= ~GELIC_CARD_RXINT;
gelic_card_set_irq_mask(card, card->irq_mask);
Expand Down Expand Up @@ -127,6 +120,120 @@ static int gelic_card_set_link_mode(struct gelic_card *card, int mode)
return 0;
}

/**
* gelic_card_disable_txdmac - disables the transmit DMA controller
* @card: card structure
*
* gelic_card_disable_txdmac terminates processing on the DMA controller by
* turing off DMA and issuing a force end
*/
static void gelic_card_disable_txdmac(struct gelic_card *card)
{
int status;

/* this hvc blocks until the DMA in progress really stopped */
status = lv1_net_stop_tx_dma(bus_id(card), dev_id(card));
if (status)
dev_err(ctodev(card),
"lv1_net_stop_tx_dma failed, status=%d\n", status);
}

/**
* gelic_card_enable_rxdmac - enables the receive DMA controller
* @card: card structure
*
* gelic_card_enable_rxdmac enables the DMA controller by setting RX_DMA_EN
* in the GDADMACCNTR register
*/
static void gelic_card_enable_rxdmac(struct gelic_card *card)
{
int status;

#ifdef DEBUG
if (gelic_descr_get_status(card->rx_chain.head) !=
GELIC_DESCR_DMA_CARDOWNED) {
printk(KERN_ERR "%s: status=%x\n", __func__,
be32_to_cpu(card->rx_chain.head->dmac_cmd_status));
printk(KERN_ERR "%s: nextphy=%x\n", __func__,
be32_to_cpu(card->rx_chain.head->next_descr_addr));
printk(KERN_ERR "%s: head=%p\n", __func__,
card->rx_chain.head);
}
#endif
status = lv1_net_start_rx_dma(bus_id(card), dev_id(card),
card->rx_chain.head->bus_addr, 0);
if (status)
dev_info(ctodev(card),
"lv1_net_start_rx_dma failed, status=%d\n", status);
}

/**
* gelic_card_disable_rxdmac - disables the receive DMA controller
* @card: card structure
*
* gelic_card_disable_rxdmac terminates processing on the DMA controller by
* turing off DMA and issuing a force end
*/
static void gelic_card_disable_rxdmac(struct gelic_card *card)
{
int status;

/* this hvc blocks until the DMA in progress really stopped */
status = lv1_net_stop_rx_dma(bus_id(card), dev_id(card));
if (status)
dev_err(ctodev(card),
"lv1_net_stop_rx_dma failed, %d\n", status);
}

/**
* gelic_descr_set_status -- sets the status of a descriptor
* @descr: descriptor to change
* @status: status to set in the descriptor
*
* changes the status to the specified value. Doesn't change other bits
* in the status
*/
static void gelic_descr_set_status(struct gelic_descr *descr,
enum gelic_descr_dma_status status)
{
descr->dmac_cmd_status = cpu_to_be32(status |
(be32_to_cpu(descr->dmac_cmd_status) &
~GELIC_DESCR_DMA_STAT_MASK));
/*
* dma_cmd_status field is used to indicate whether the descriptor
* is valid or not.
* Usually caller of this function wants to inform that to the
* hardware, so we assure here the hardware sees the change.
*/
wmb();
}

/**
* gelic_card_reset_chain - reset status of a descriptor chain
* @card: card structure
* @chain: address of chain
* @start_descr: address of descriptor array
*
* Reset the status of dma descriptors to ready state
* and re-initialize the hardware chain for later use
*/
static void gelic_card_reset_chain(struct gelic_card *card,
struct gelic_descr_chain *chain,
struct gelic_descr *start_descr)
{
struct gelic_descr *descr;

for (descr = start_descr; start_descr != descr->next; descr++) {
gelic_descr_set_status(descr, GELIC_DESCR_DMA_CARDOWNED);
descr->next_descr_addr = cpu_to_be32(descr->next->bus_addr);
}

chain->head = start_descr;
chain->tail = (descr - 1);

(descr - 1)->next_descr_addr = 0;
}

void gelic_card_up(struct gelic_card *card)
{
pr_debug("%s: called\n", __func__);
Expand Down Expand Up @@ -182,29 +289,6 @@ gelic_descr_get_status(struct gelic_descr *descr)
return be32_to_cpu(descr->dmac_cmd_status) & GELIC_DESCR_DMA_STAT_MASK;
}

/**
* gelic_descr_set_status -- sets the status of a descriptor
* @descr: descriptor to change
* @status: status to set in the descriptor
*
* changes the status to the specified value. Doesn't change other bits
* in the status
*/
static void gelic_descr_set_status(struct gelic_descr *descr,
enum gelic_descr_dma_status status)
{
descr->dmac_cmd_status = cpu_to_be32(status |
(be32_to_cpu(descr->dmac_cmd_status) &
~GELIC_DESCR_DMA_STAT_MASK));
/*
* dma_cmd_status field is used to indicate whether the descriptor
* is valid or not.
* Usually caller of this function wants to inform that to the
* hardware, so we assure here the hardware sees the change.
*/
wmb();
}

/**
* gelic_card_free_chain - free descriptor chain
* @card: card structure
Expand Down Expand Up @@ -285,31 +369,6 @@ static int gelic_card_init_chain(struct gelic_card *card,
return -ENOMEM;
}

/**
* gelic_card_reset_chain - reset status of a descriptor chain
* @card: card structure
* @chain: address of chain
* @start_descr: address of descriptor array
*
* Reset the status of dma descriptors to ready state
* and re-initialize the hardware chain for later use
*/
static void gelic_card_reset_chain(struct gelic_card *card,
struct gelic_descr_chain *chain,
struct gelic_descr *start_descr)
{
struct gelic_descr *descr;

for (descr = start_descr; start_descr != descr->next; descr++) {
gelic_descr_set_status(descr, GELIC_DESCR_DMA_CARDOWNED);
descr->next_descr_addr = cpu_to_be32(descr->next->bus_addr);
}

chain->head = start_descr;
chain->tail = (descr - 1);

(descr - 1)->next_descr_addr = 0;
}
/**
* gelic_descr_prepare_rx - reinitializes a rx descriptor
* @card: card structure
Expand Down Expand Up @@ -598,71 +657,6 @@ void gelic_net_set_multi(struct net_device *netdev)
}
}

/**
* gelic_card_enable_rxdmac - enables the receive DMA controller
* @card: card structure
*
* gelic_card_enable_rxdmac enables the DMA controller by setting RX_DMA_EN
* in the GDADMACCNTR register
*/
static inline void gelic_card_enable_rxdmac(struct gelic_card *card)
{
int status;

#ifdef DEBUG
if (gelic_descr_get_status(card->rx_chain.head) !=
GELIC_DESCR_DMA_CARDOWNED) {
printk(KERN_ERR "%s: status=%x\n", __func__,
be32_to_cpu(card->rx_chain.head->dmac_cmd_status));
printk(KERN_ERR "%s: nextphy=%x\n", __func__,
be32_to_cpu(card->rx_chain.head->next_descr_addr));
printk(KERN_ERR "%s: head=%p\n", __func__,
card->rx_chain.head);
}
#endif
status = lv1_net_start_rx_dma(bus_id(card), dev_id(card),
card->rx_chain.head->bus_addr, 0);
if (status)
dev_info(ctodev(card),
"lv1_net_start_rx_dma failed, status=%d\n", status);
}

/**
* gelic_card_disable_rxdmac - disables the receive DMA controller
* @card: card structure
*
* gelic_card_disable_rxdmac terminates processing on the DMA controller by
* turing off DMA and issuing a force end
*/
static inline void gelic_card_disable_rxdmac(struct gelic_card *card)
{
int status;

/* this hvc blocks until the DMA in progress really stopped */
status = lv1_net_stop_rx_dma(bus_id(card), dev_id(card));
if (status)
dev_err(ctodev(card),
"lv1_net_stop_rx_dma failed, %d\n", status);
}

/**
* gelic_card_disable_txdmac - disables the transmit DMA controller
* @card: card structure
*
* gelic_card_disable_txdmac terminates processing on the DMA controller by
* turing off DMA and issuing a force end
*/
static inline void gelic_card_disable_txdmac(struct gelic_card *card)
{
int status;

/* this hvc blocks until the DMA in progress really stopped */
status = lv1_net_stop_tx_dma(bus_id(card), dev_id(card));
if (status)
dev_err(ctodev(card),
"lv1_net_stop_tx_dma failed, status=%d\n", status);
}

/**
* gelic_net_stop - called upon ifconfig down
* @netdev: interface device structure
Expand Down Expand Up @@ -746,7 +740,7 @@ static void gelic_descr_set_tx_cmdstat(struct gelic_descr *descr,
}
}

static inline struct sk_buff *gelic_put_vlan_tag(struct sk_buff *skb,
static struct sk_buff *gelic_put_vlan_tag(struct sk_buff *skb,
unsigned short tag)
{
struct vlan_ethhdr *veth;
Expand Down

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