X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fnet%2Fcan%2Fmcp251x.c;h=8cda23bf0614a1ebe383660300e3ec0cd34d20e2;hb=6e0895c2ea326cc4bb11e8fa2f654628d5754c31;hp=9aa0c64c33c81c9f296ed5f08b0d3666ee989816;hpb=60d509fa6a9c4653a86ad830e4c4b30360b23f0e;p=firefly-linux-kernel-4.4.55.git diff --git a/drivers/net/can/mcp251x.c b/drivers/net/can/mcp251x.c index 9aa0c64c33c8..8cda23bf0614 100644 --- a/drivers/net/can/mcp251x.c +++ b/drivers/net/can/mcp251x.c @@ -269,7 +269,7 @@ struct mcp251x_priv { #define MCP251X_IS(_model) \ static inline int mcp251x_is_##_model(struct spi_device *spi) \ { \ - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); \ + struct mcp251x_priv *priv = spi_get_drvdata(spi); \ return priv->model == CAN_MCP251X_MCP##_model; \ } @@ -305,7 +305,7 @@ static void mcp251x_clean(struct net_device *net) */ static int mcp251x_spi_trans(struct spi_device *spi, int len) { - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); struct spi_transfer t = { .tx_buf = priv->spi_tx_buf, .rx_buf = priv->spi_rx_buf, @@ -333,7 +333,7 @@ static int mcp251x_spi_trans(struct spi_device *spi, int len) static u8 mcp251x_read_reg(struct spi_device *spi, uint8_t reg) { - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); u8 val = 0; priv->spi_tx_buf[0] = INSTRUCTION_READ; @@ -348,7 +348,7 @@ static u8 mcp251x_read_reg(struct spi_device *spi, uint8_t reg) static void mcp251x_read_2regs(struct spi_device *spi, uint8_t reg, uint8_t *v1, uint8_t *v2) { - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); priv->spi_tx_buf[0] = INSTRUCTION_READ; priv->spi_tx_buf[1] = reg; @@ -361,7 +361,7 @@ static void mcp251x_read_2regs(struct spi_device *spi, uint8_t reg, static void mcp251x_write_reg(struct spi_device *spi, u8 reg, uint8_t val) { - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); priv->spi_tx_buf[0] = INSTRUCTION_WRITE; priv->spi_tx_buf[1] = reg; @@ -373,7 +373,7 @@ static void mcp251x_write_reg(struct spi_device *spi, u8 reg, uint8_t val) static void mcp251x_write_bits(struct spi_device *spi, u8 reg, u8 mask, uint8_t val) { - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); priv->spi_tx_buf[0] = INSTRUCTION_BIT_MODIFY; priv->spi_tx_buf[1] = reg; @@ -386,7 +386,7 @@ static void mcp251x_write_bits(struct spi_device *spi, u8 reg, static void mcp251x_hw_tx_frame(struct spi_device *spi, u8 *buf, int len, int tx_buf_idx) { - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); if (mcp251x_is_2510(spi)) { int i; @@ -403,7 +403,7 @@ static void mcp251x_hw_tx_frame(struct spi_device *spi, u8 *buf, static void mcp251x_hw_tx(struct spi_device *spi, struct can_frame *frame, int tx_buf_idx) { - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); u32 sid, eid, exide, rtr; u8 buf[SPI_TRANSFER_BUF_LEN]; @@ -434,7 +434,7 @@ static void mcp251x_hw_tx(struct spi_device *spi, struct can_frame *frame, static void mcp251x_hw_rx_frame(struct spi_device *spi, u8 *buf, int buf_idx) { - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); if (mcp251x_is_2510(spi)) { int i, len; @@ -454,7 +454,7 @@ static void mcp251x_hw_rx_frame(struct spi_device *spi, u8 *buf, static void mcp251x_hw_rx(struct spi_device *spi, int buf_idx) { - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); struct sk_buff *skb; struct can_frame *frame; u8 buf[SPI_TRANSFER_BUF_LEN]; @@ -550,7 +550,7 @@ static int mcp251x_do_set_mode(struct net_device *net, enum can_mode mode) static int mcp251x_set_normal_mode(struct spi_device *spi) { - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); unsigned long timeout; /* Enable interrupts */ @@ -620,7 +620,7 @@ static int mcp251x_setup(struct net_device *net, struct mcp251x_priv *priv, static int mcp251x_hw_reset(struct spi_device *spi) { - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); int ret; unsigned long timeout; @@ -1026,7 +1026,7 @@ static int mcp251x_can_probe(struct spi_device *spi) CAN_CTRLMODE_LOOPBACK | CAN_CTRLMODE_LISTENONLY; priv->model = spi_get_device_id(spi)->driver_data; priv->net = net; - dev_set_drvdata(&spi->dev, priv); + spi_set_drvdata(spi, priv); priv->spi = spi; mutex_init(&priv->mcp_lock); @@ -1124,7 +1124,7 @@ error_out: static int mcp251x_can_remove(struct spi_device *spi) { struct mcp251x_platform_data *pdata = spi->dev.platform_data; - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); struct net_device *net = priv->net; unregister_candev(net); @@ -1144,11 +1144,13 @@ static int mcp251x_can_remove(struct spi_device *spi) return 0; } -#ifdef CONFIG_PM -static int mcp251x_can_suspend(struct spi_device *spi, pm_message_t state) +#ifdef CONFIG_PM_SLEEP + +static int mcp251x_can_suspend(struct device *dev) { + struct spi_device *spi = to_spi_device(dev); struct mcp251x_platform_data *pdata = spi->dev.platform_data; - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); struct net_device *net = priv->net; priv->force_quit = 1; @@ -1176,10 +1178,11 @@ static int mcp251x_can_suspend(struct spi_device *spi, pm_message_t state) return 0; } -static int mcp251x_can_resume(struct spi_device *spi) +static int mcp251x_can_resume(struct device *dev) { + struct spi_device *spi = to_spi_device(dev); struct mcp251x_platform_data *pdata = spi->dev.platform_data; - struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); + struct mcp251x_priv *priv = spi_get_drvdata(spi); if (priv->after_suspend & AFTER_SUSPEND_POWER) { pdata->power_enable(1); @@ -1197,11 +1200,11 @@ static int mcp251x_can_resume(struct spi_device *spi) enable_irq(spi->irq); return 0; } -#else -#define mcp251x_can_suspend NULL -#define mcp251x_can_resume NULL #endif +static SIMPLE_DEV_PM_OPS(mcp251x_can_pm_ops, mcp251x_can_suspend, + mcp251x_can_resume); + static const struct spi_device_id mcp251x_id_table[] = { { "mcp2510", CAN_MCP251X_MCP2510 }, { "mcp2515", CAN_MCP251X_MCP2515 }, @@ -1213,29 +1216,15 @@ MODULE_DEVICE_TABLE(spi, mcp251x_id_table); static struct spi_driver mcp251x_can_driver = { .driver = { .name = DEVICE_NAME, - .bus = &spi_bus_type, .owner = THIS_MODULE, + .pm = &mcp251x_can_pm_ops, }, .id_table = mcp251x_id_table, .probe = mcp251x_can_probe, .remove = mcp251x_can_remove, - .suspend = mcp251x_can_suspend, - .resume = mcp251x_can_resume, }; - -static int __init mcp251x_can_init(void) -{ - return spi_register_driver(&mcp251x_can_driver); -} - -static void __exit mcp251x_can_exit(void) -{ - spi_unregister_driver(&mcp251x_can_driver); -} - -module_init(mcp251x_can_init); -module_exit(mcp251x_can_exit); +module_spi_driver(mcp251x_can_driver); MODULE_AUTHOR("Chris Elston , " "Christian Pellegrin ");