From 0954ed826921bcf11352e05a58d598c493e6bdfb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Krzysztof=20Ha=C5=82asa?= Date: Wed, 9 Jul 2008 21:24:42 +0200 Subject: [PATCH] WAN: Simplify HD64572 status handling. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Krzysztof Hałasa --- drivers/net/wan/hd64572.c | 37 ++++++++----------------------------- 1 file changed, 8 insertions(+), 29 deletions(-) diff --git a/drivers/net/wan/hd64572.c b/drivers/net/wan/hd64572.c index 0952e228c2c3..46a99a668e41 100644 --- a/drivers/net/wan/hd64572.c +++ b/drivers/net/wan/hd64572.c @@ -51,10 +51,6 @@ #define get_dmac_rx(port) (phy_node(port) ? DMAC1RX_OFFSET : DMAC0RX_OFFSET) #define get_dmac_tx(port) (phy_node(port) ? DMAC1TX_OFFSET : DMAC0TX_OFFSET) -#define SCA_INTR_MSCI(node) (node ? 0x10 : 0x01) -#define SCA_INTR_DMAC_RX(node) (node ? 0x20 : 0x02) -#define SCA_INTR_DMAC_TX(node) (node ? 0x40 : 0x04) - static int sca_poll(struct napi_struct *napi, int budget); static inline struct net_device *port_to_dev(port_t *port) @@ -62,21 +58,6 @@ static inline struct net_device *port_to_dev(port_t *port) return port->dev; } -static inline int sca_intr_status(card_t *card) -{ - u8 result = 0; - u32 isr0 = sca_inl(ISR0, card); - - if (isr0 & 0x00000002) result |= SCA_INTR_DMAC_RX(0); - if (isr0 & 0x00000020) result |= SCA_INTR_DMAC_TX(0); - if (isr0 & 0x00000200) result |= SCA_INTR_DMAC_RX(1); - if (isr0 & 0x00002000) result |= SCA_INTR_DMAC_TX(1); - if (isr0 & 0x00080000) result |= SCA_INTR_MSCI(0); - if (isr0 & 0x08000000) result |= SCA_INTR_MSCI(1); - - return result; -} - static inline port_t* dev_to_port(struct net_device *dev) { return dev_to_hdlc(dev)->priv; @@ -358,16 +339,16 @@ static inline void sca_tx_done(port_t *port) static int sca_poll(struct napi_struct *napi, int budget) { port_t *port = container_of(napi, port_t, napi); - u8 stat = sca_intr_status(port->card); + u32 isr0 = sca_inl(ISR0, port->card); int received = 0; - if (stat & SCA_INTR_MSCI(port->phy_node)) + if (isr0 & (port->phy_node ? 0x08000000 : 0x00080000)) sca_msci_intr(port); - if (stat & SCA_INTR_DMAC_TX(port->phy_node)) + if (isr0 & (port->phy_node ? 0x00002000 : 0x00000020)) sca_tx_done(port); - if (stat & SCA_INTR_DMAC_RX(port->phy_node)) + if (isr0 & (port->phy_node ? 0x00000200 : 0x00000002)) received = sca_rx_done(port, budget); if (received < budget) { @@ -378,17 +359,15 @@ static int sca_poll(struct napi_struct *napi, int budget) return received; } -static irqreturn_t sca_intr(int irq, void* dev_id) +static irqreturn_t sca_intr(int irq, void *dev_id) { card_t *card = dev_id; - int i; - u8 stat = sca_intr_status(card); - int handled = 0; + u32 isr0 = sca_inl(ISR0, card); + int i, handled = 0; for (i = 0; i < 2; i++) { port_t *port = get_port(card, i); - if (port && (stat & (SCA_INTR_MSCI(i) | SCA_INTR_DMAC_RX(i) | - SCA_INTR_DMAC_TX(i)))) { + if (port && (isr0 & (i ? 0x08002200 : 0x00080022))) { handled = 1; disable_intr(port); netif_rx_schedule(port->dev, &port->napi); -- GitLab