[PATCH v4 12/23] mfd: omap-usb-host: Use devm_kzalloc() and devm_request_and_ioremap()
From: Roger Quadros <hidden>
Date: 2012-12-10 10:21:29
Also in:
linux-omap, lkml
Subsystem:
multifunction devices (mfd), omap2+ support, the rest · Maintainers:
Lee Jones, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
Use devm_ variants of kzalloc and ioremap. Also clean up error path. Signed-off-by: Roger Quadros <redacted> --- drivers/mfd/omap-usb-host.c | 36 +++++++++--------------------------- 1 files changed, 9 insertions(+), 27 deletions(-)
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index 8b8f1da..13a3e8c 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c@@ -468,17 +468,20 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) if (!pdata) { dev_err(dev, "Missing platform data\n"); - ret = -ENOMEM; - goto end_probe; + return -ENODEV; } - omap = kzalloc(sizeof(*omap), GFP_KERNEL); + omap = devm_kzalloc(dev, sizeof(*omap), GFP_KERNEL); if (!omap) { dev_err(dev, "Memory allocation failed\n"); - ret = -ENOMEM; - goto end_probe; + return -ENOMEM; } + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "uhh"); + omap->uhh_base = devm_request_and_ioremap(dev, res); + if (!omap->uhh_base) + return -EADDRNOTAVAIL; + spin_lock_init(&omap->lock); omap->pdata = pdata;
@@ -576,20 +579,6 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) "failed error:%d\n", ret); } - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "uhh"); - if (!res) { - dev_err(dev, "UHH EHCI get resource failed\n"); - ret = -ENODEV; - goto err_init_60m_fclk; - } - - omap->uhh_base = ioremap(res->start, resource_size(res)); - if (!omap->uhh_base) { - dev_err(dev, "UHH ioremap failed\n"); - ret = -ENOMEM; - goto err_init_60m_fclk; - } - platform_set_drvdata(pdev, omap); omap_usbhs_init(dev);
@@ -599,13 +588,10 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) goto err_alloc; } - goto end_probe; + return 0; err_alloc: omap_usbhs_deinit(&pdev->dev); - iounmap(omap->uhh_base); - -err_init_60m_fclk: clk_put(omap->init_60m_fclk); err_usbhost_p2_fck:
@@ -629,9 +615,7 @@ err_utmi_p1_fck: err_end: clk_put(omap->ehci_logic_fck); pm_runtime_disable(dev); - kfree(omap); -end_probe: return ret; }
@@ -646,7 +630,6 @@ static int __devexit usbhs_omap_remove(struct platform_device *pdev) struct usbhs_hcd_omap *omap = platform_get_drvdata(pdev); omap_usbhs_deinit(&pdev->dev); - iounmap(omap->uhh_base); clk_put(omap->init_60m_fclk); clk_put(omap->usbhost_p2_fck); clk_put(omap->usbhost_p1_fck);
@@ -656,7 +639,6 @@ static int __devexit usbhs_omap_remove(struct platform_device *pdev) clk_put(omap->utmi_p1_fck); clk_put(omap->ehci_logic_fck); pm_runtime_disable(&pdev->dev); - kfree(omap); return 0; }
--
1.7.4.1