[PATCH v1 10/11] usbnet: smsc75xx: apply introduced usb command APIs
flat view
STALE5108d
From: Ming Lei <hidden>
Date: 2012-10-11 12:42:16
Subsystem:
networking drivers, the rest, usb networking drivers, usb smsc75xx ethernet driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Steve Glendinning
Signed-off-by: Ming Lei <redacted> --- drivers/net/usb/smsc75xx.c | 39 ++++++++++++++------------------------- 1 file changed, 14 insertions(+), 25 deletions(-)
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index b77ae76..1baa53a 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c@@ -85,26 +85,21 @@ MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction"); static int __must_check smsc75xx_read_reg(struct usbnet *dev, u32 index, u32 *data) { - u32 *buf = kmalloc(4, GFP_KERNEL); + u32 buf; int ret; BUG_ON(!dev); - if (!buf) - return -ENOMEM; - - ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), - USB_VENDOR_REQUEST_READ_REGISTER, - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 00, index, buf, 4, USB_CTRL_GET_TIMEOUT); - + ret = usbnet_read_cmd(dev, USB_VENDOR_REQUEST_READ_REGISTER, + USB_DIR_IN | USB_TYPE_VENDOR | + USB_RECIP_DEVICE, + 0, index, &buf, 4); if (unlikely(ret < 0)) netdev_warn(dev->net, "Failed to read reg index 0x%08x: %d", index, ret); - le32_to_cpus(buf); - *data = *buf; - kfree(buf); + le32_to_cpus(&buf); + *data = buf; return ret; }
@@ -112,28 +107,22 @@ static int __must_check smsc75xx_read_reg(struct usbnet *dev, u32 index, static int __must_check smsc75xx_write_reg(struct usbnet *dev, u32 index, u32 data) { - u32 *buf = kmalloc(4, GFP_KERNEL); + u32 buf; int ret; BUG_ON(!dev); - if (!buf) - return -ENOMEM; - - *buf = data; - cpu_to_le32s(buf); - - ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), - USB_VENDOR_REQUEST_WRITE_REGISTER, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 00, index, buf, 4, USB_CTRL_SET_TIMEOUT); + buf = data; + cpu_to_le32s(&buf); + ret = usbnet_write_cmd(dev, USB_VENDOR_REQUEST_WRITE_REGISTER, + USB_DIR_OUT | USB_TYPE_VENDOR | + USB_RECIP_DEVICE, + 0, index, &buf, 4); if (unlikely(ret < 0)) netdev_warn(dev->net, "Failed to write reg index 0x%08x: %d", index, ret); - kfree(buf); - return ret; }
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1.7.9.5