From 00e4bbc8cd7efac66caa4ce6bcf5f02e944184f6 Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Thu, 23 May 2013 19:47:58 +0900 Subject: [PATCH] net: can: use platform_{get,set}_drvdata() Use the wrapper functions for getting and setting the driver data using platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev, so we can directly pass a struct platform_device. Also, unnecessary dev_set_drvdata() is removed, because the driver core clears the driver data to NULL after device_release or on probe failure. Signed-off-by: Jingoo Han Signed-off-by: Marc Kleine-Budde --- drivers/net/can/bfin_can.c | 10 ++++------ drivers/net/can/cc770/cc770_isa.c | 5 ++--- drivers/net/can/cc770/cc770_platform.c | 4 ++-- drivers/net/can/grcan.c | 5 ++--- drivers/net/can/mscan/mpc5xxx_can.c | 10 ++++------ drivers/net/can/sja1000/sja1000_isa.c | 5 ++--- drivers/net/can/sja1000/sja1000_of_platform.c | 6 ++---- drivers/net/can/sja1000/sja1000_platform.c | 5 ++--- 8 files changed, 20 insertions(+), 30 deletions(-) diff --git a/drivers/net/can/bfin_can.c b/drivers/net/can/bfin_can.c index d4a15e82bfc0..a2700d25ff0e 100644 --- a/drivers/net/can/bfin_can.c +++ b/drivers/net/can/bfin_can.c @@ -580,7 +580,7 @@ static int bfin_can_probe(struct platform_device *pdev) priv->pin_list = pdata; priv->can.clock.freq = get_sclk(); - dev_set_drvdata(&pdev->dev, dev); + platform_set_drvdata(pdev, dev); SET_NETDEV_DEV(dev, &pdev->dev); dev->flags |= IFF_ECHO; /* we support local echo */ @@ -613,7 +613,7 @@ exit: static int bfin_can_remove(struct platform_device *pdev) { - struct net_device *dev = dev_get_drvdata(&pdev->dev); + struct net_device *dev = platform_get_drvdata(pdev); struct bfin_can_priv *priv = netdev_priv(dev); struct resource *res; @@ -621,8 +621,6 @@ static int bfin_can_remove(struct platform_device *pdev) unregister_candev(dev); - dev_set_drvdata(&pdev->dev, NULL); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); release_mem_region(res->start, resource_size(res)); @@ -635,7 +633,7 @@ static int bfin_can_remove(struct platform_device *pdev) #ifdef CONFIG_PM static int bfin_can_suspend(struct platform_device *pdev, pm_message_t mesg) { - struct net_device *dev = dev_get_drvdata(&pdev->dev); + struct net_device *dev = platform_get_drvdata(pdev); struct bfin_can_priv *priv = netdev_priv(dev); struct bfin_can_regs __iomem *reg = priv->membase; int timeout = BFIN_CAN_TIMEOUT; @@ -658,7 +656,7 @@ static int bfin_can_suspend(struct platform_device *pdev, pm_message_t mesg) static int bfin_can_resume(struct platform_device *pdev) { - struct net_device *dev = dev_get_drvdata(&pdev->dev); + struct net_device *dev = platform_get_drvdata(pdev); struct bfin_can_priv *priv = netdev_priv(dev); struct bfin_can_regs __iomem *reg = priv->membase; diff --git a/drivers/net/can/cc770/cc770_isa.c b/drivers/net/can/cc770/cc770_isa.c index 8eaaac81f320..87a47c0cfd49 100644 --- a/drivers/net/can/cc770/cc770_isa.c +++ b/drivers/net/can/cc770/cc770_isa.c @@ -265,7 +265,7 @@ static int cc770_isa_probe(struct platform_device *pdev) else priv->clkout = COR_DEFAULT; - dev_set_drvdata(&pdev->dev, dev); + platform_set_drvdata(pdev, dev); SET_NETDEV_DEV(dev, &pdev->dev); err = register_cc770dev(dev); @@ -293,12 +293,11 @@ static int cc770_isa_probe(struct platform_device *pdev) static int cc770_isa_remove(struct platform_device *pdev) { - struct net_device *dev = dev_get_drvdata(&pdev->dev); + struct net_device *dev = platform_get_drvdata(pdev); struct cc770_priv *priv = netdev_priv(dev); int idx = pdev->id; unregister_cc770dev(dev); - dev_set_drvdata(&pdev->dev, NULL); if (mem[idx]) { iounmap(priv->reg_base); diff --git a/drivers/net/can/cc770/cc770_platform.c b/drivers/net/can/cc770/cc770_platform.c index d0f6bfc45aea..034bdd816a60 100644 --- a/drivers/net/can/cc770/cc770_platform.c +++ b/drivers/net/can/cc770/cc770_platform.c @@ -216,7 +216,7 @@ static int cc770_platform_probe(struct platform_device *pdev) priv->reg_base, dev->irq, priv->can.clock.freq, priv->cpu_interface, priv->bus_config, priv->clkout); - dev_set_drvdata(&pdev->dev, dev); + platform_set_drvdata(pdev, dev); SET_NETDEV_DEV(dev, &pdev->dev); err = register_cc770dev(dev); @@ -240,7 +240,7 @@ exit_release_mem: static int cc770_platform_remove(struct platform_device *pdev) { - struct net_device *dev = dev_get_drvdata(&pdev->dev); + struct net_device *dev = platform_get_drvdata(pdev); struct cc770_priv *priv = netdev_priv(dev); struct resource *mem; diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c index 9e9d0d628e7b..6aa737a24393 100644 --- a/drivers/net/can/grcan.c +++ b/drivers/net/can/grcan.c @@ -1646,7 +1646,7 @@ static int grcan_setup_netdev(struct platform_device *ofdev, if (err) goto exit_free_candev; - dev_set_drvdata(&ofdev->dev, dev); + platform_set_drvdata(ofdev, dev); /* Reset device to allow bit-timing to be set. No need to call * grcan_reset at this stage. That is done in grcan_open. @@ -1715,13 +1715,12 @@ exit_error: static int grcan_remove(struct platform_device *ofdev) { - struct net_device *dev = dev_get_drvdata(&ofdev->dev); + struct net_device *dev = platform_get_drvdata(ofdev); struct grcan_priv *priv = netdev_priv(dev); unregister_candev(dev); /* Will in turn call grcan_close */ irq_dispose_mapping(dev->irq); - dev_set_drvdata(&ofdev->dev, NULL); netif_napi_del(&priv->napi); free_candev(dev); diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c index 668850e441dc..5b0ee8ef5885 100644 --- a/drivers/net/can/mscan/mpc5xxx_can.c +++ b/drivers/net/can/mscan/mpc5xxx_can.c @@ -302,7 +302,7 @@ static int mpc5xxx_can_probe(struct platform_device *ofdev) goto exit_free_mscan; } - dev_set_drvdata(&ofdev->dev, dev); + platform_set_drvdata(ofdev, dev); dev_info(&ofdev->dev, "MSCAN at 0x%p, irq %d, clock %d Hz\n", priv->reg_base, dev->irq, priv->can.clock.freq); @@ -321,11 +321,9 @@ exit_unmap_mem: static int mpc5xxx_can_remove(struct platform_device *ofdev) { - struct net_device *dev = dev_get_drvdata(&ofdev->dev); + struct net_device *dev = platform_get_drvdata(ofdev); struct mscan_priv *priv = netdev_priv(dev); - dev_set_drvdata(&ofdev->dev, NULL); - unregister_mscandev(dev); iounmap(priv->reg_base); irq_dispose_mapping(dev->irq); @@ -338,7 +336,7 @@ static int mpc5xxx_can_remove(struct platform_device *ofdev) static struct mscan_regs saved_regs; static int mpc5xxx_can_suspend(struct platform_device *ofdev, pm_message_t state) { - struct net_device *dev = dev_get_drvdata(&ofdev->dev); + struct net_device *dev = platform_get_drvdata(ofdev); struct mscan_priv *priv = netdev_priv(dev); struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base; @@ -349,7 +347,7 @@ static int mpc5xxx_can_suspend(struct platform_device *ofdev, pm_message_t state static int mpc5xxx_can_resume(struct platform_device *ofdev) { - struct net_device *dev = dev_get_drvdata(&ofdev->dev); + struct net_device *dev = platform_get_drvdata(ofdev); struct mscan_priv *priv = netdev_priv(dev); struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base; diff --git a/drivers/net/can/sja1000/sja1000_isa.c b/drivers/net/can/sja1000/sja1000_isa.c index 5c8da4661489..06a282397fff 100644 --- a/drivers/net/can/sja1000/sja1000_isa.c +++ b/drivers/net/can/sja1000/sja1000_isa.c @@ -197,7 +197,7 @@ static int sja1000_isa_probe(struct platform_device *pdev) else priv->cdr = CDR_DEFAULT; - dev_set_drvdata(&pdev->dev, dev); + platform_set_drvdata(pdev, dev); SET_NETDEV_DEV(dev, &pdev->dev); err = register_sja1000dev(dev); @@ -225,12 +225,11 @@ static int sja1000_isa_probe(struct platform_device *pdev) static int sja1000_isa_remove(struct platform_device *pdev) { - struct net_device *dev = dev_get_drvdata(&pdev->dev); + struct net_device *dev = platform_get_drvdata(pdev); struct sja1000_priv *priv = netdev_priv(dev); int idx = pdev->id; unregister_sja1000dev(dev); - dev_set_drvdata(&pdev->dev, NULL); if (mem[idx]) { iounmap(priv->reg_base); diff --git a/drivers/net/can/sja1000/sja1000_of_platform.c b/drivers/net/can/sja1000/sja1000_of_platform.c index 8e0c4a001939..31ad33911167 100644 --- a/drivers/net/can/sja1000/sja1000_of_platform.c +++ b/drivers/net/can/sja1000/sja1000_of_platform.c @@ -72,13 +72,11 @@ static void sja1000_ofp_write_reg(const struct sja1000_priv *priv, static int sja1000_ofp_remove(struct platform_device *ofdev) { - struct net_device *dev = dev_get_drvdata(&ofdev->dev); + struct net_device *dev = platform_get_drvdata(ofdev); struct sja1000_priv *priv = netdev_priv(dev); struct device_node *np = ofdev->dev.of_node; struct resource res; - dev_set_drvdata(&ofdev->dev, NULL); - unregister_sja1000dev(dev); free_sja1000dev(dev); iounmap(priv->reg_base); @@ -181,7 +179,7 @@ static int sja1000_ofp_probe(struct platform_device *ofdev) priv->reg_base, dev->irq, priv->can.clock.freq, priv->ocr, priv->cdr); - dev_set_drvdata(&ofdev->dev, dev); + platform_set_drvdata(ofdev, dev); SET_NETDEV_DEV(dev, &ofdev->dev); err = register_sja1000dev(dev); diff --git a/drivers/net/can/sja1000/sja1000_platform.c b/drivers/net/can/sja1000/sja1000_platform.c index 21619bb5b869..8e259c541036 100644 --- a/drivers/net/can/sja1000/sja1000_platform.c +++ b/drivers/net/can/sja1000/sja1000_platform.c @@ -135,7 +135,7 @@ static int sp_probe(struct platform_device *pdev) break; } - dev_set_drvdata(&pdev->dev, dev); + platform_set_drvdata(pdev, dev); SET_NETDEV_DEV(dev, &pdev->dev); err = register_sja1000dev(dev); @@ -161,12 +161,11 @@ static int sp_probe(struct platform_device *pdev) static int sp_remove(struct platform_device *pdev) { - struct net_device *dev = dev_get_drvdata(&pdev->dev); + struct net_device *dev = platform_get_drvdata(pdev); struct sja1000_priv *priv = netdev_priv(dev); struct resource *res; unregister_sja1000dev(dev); - dev_set_drvdata(&pdev->dev, NULL); if (priv->reg_base) iounmap(priv->reg_base);