diff options
author | Aaro Koskinen <aaro.koskinen@iki.fi> | 2013-07-29 20:07:45 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-29 11:41:28 -0700 |
commit | 67f70fc624e2aa06291c70d1671f43950a03f3c5 (patch) | |
tree | 49f63fa38adc21dabcb5e0176cf1eb5beaacd24a /drivers/staging/octeon-usb | |
parent | a7c679482d9f548e6ec3cfba35472ed6afb13274 (diff) | |
download | linux-67f70fc624e2aa06291c70d1671f43950a03f3c5.tar.bz2 |
staging: octeon-usb: cvmx-usb: delete redundant example code
Delete redundant example code found in comments. It's already there in
the driver proper.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/octeon-usb')
-rw-r--r-- | drivers/staging/octeon-usb/cvmx-usb.h | 209 |
1 files changed, 1 insertions, 208 deletions
diff --git a/drivers/staging/octeon-usb/cvmx-usb.h b/drivers/staging/octeon-usb/cvmx-usb.h index eed6ba43cf59..ffabfbe321f5 100644 --- a/drivers/staging/octeon-usb/cvmx-usb.h +++ b/drivers/staging/octeon-usb/cvmx-usb.h @@ -217,214 +217,7 @@ * messages similar to the usb 2.0 spec for hub control and * status. For these systems it may be necessary to write * function to decode standard usb control messages into - * equivalent cvmx-usb API calls. As an example, the following - * code is used under Linux for some of the basic hub control - * messages. - * - * @code - * static int octeon_usb_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex, char *buf, u16 wLength) - * { - * cvmx_usb_state_t *usb = (cvmx_usb_state_t *)hcd->hcd_priv; - * cvmx_usb_port_status_t usb_port_status; - * int port_status; - * struct usb_hub_descriptor *desc; - * unsigned long flags; - * - * switch (typeReq) - * { - * case ClearHubFeature: - * DEBUG_ROOT_HUB("OcteonUSB: ClearHubFeature\n"); - * switch (wValue) - * { - * case C_HUB_LOCAL_POWER: - * case C_HUB_OVER_CURRENT: - * // Nothing required here - * break; - * default: - * return -EINVAL; - * } - * break; - * case ClearPortFeature: - * DEBUG_ROOT_HUB("OcteonUSB: ClearPortFeature"); - * if (wIndex != 1) - * { - * DEBUG_ROOT_HUB(" INVALID\n"); - * return -EINVAL; - * } - * - * switch (wValue) - * { - * case USB_PORT_FEAT_ENABLE: - * DEBUG_ROOT_HUB(" ENABLE"); - * local_irq_save(flags); - * cvmx_usb_disable(usb); - * local_irq_restore(flags); - * break; - * case USB_PORT_FEAT_SUSPEND: - * DEBUG_ROOT_HUB(" SUSPEND"); - * // Not supported on Octeon - * break; - * case USB_PORT_FEAT_POWER: - * DEBUG_ROOT_HUB(" POWER"); - * // Not supported on Octeon - * break; - * case USB_PORT_FEAT_INDICATOR: - * DEBUG_ROOT_HUB(" INDICATOR"); - * // Port inidicator not supported - * break; - * case USB_PORT_FEAT_C_CONNECTION: - * DEBUG_ROOT_HUB(" C_CONNECTION"); - * // Clears drivers internal connect status change flag - * cvmx_usb_set_status(usb, cvmx_usb_get_status(usb)); - * break; - * case USB_PORT_FEAT_C_RESET: - * DEBUG_ROOT_HUB(" C_RESET"); - * // Clears the driver's internal Port Reset Change flag - * cvmx_usb_set_status(usb, cvmx_usb_get_status(usb)); - * break; - * case USB_PORT_FEAT_C_ENABLE: - * DEBUG_ROOT_HUB(" C_ENABLE"); - * // Clears the driver's internal Port Enable/Disable Change flag - * cvmx_usb_set_status(usb, cvmx_usb_get_status(usb)); - * break; - * case USB_PORT_FEAT_C_SUSPEND: - * DEBUG_ROOT_HUB(" C_SUSPEND"); - * // Clears the driver's internal Port Suspend Change flag, - * which is set when resume signaling on the host port is - * complete - * break; - * case USB_PORT_FEAT_C_OVER_CURRENT: - * DEBUG_ROOT_HUB(" C_OVER_CURRENT"); - * // Clears the driver's overcurrent Change flag - * cvmx_usb_set_status(usb, cvmx_usb_get_status(usb)); - * break; - * default: - * DEBUG_ROOT_HUB(" UNKNOWN\n"); - * return -EINVAL; - * } - * DEBUG_ROOT_HUB("\n"); - * break; - * case GetHubDescriptor: - * DEBUG_ROOT_HUB("OcteonUSB: GetHubDescriptor\n"); - * desc = (struct usb_hub_descriptor *)buf; - * desc->bDescLength = 9; - * desc->bDescriptorType = 0x29; - * desc->bNbrPorts = 1; - * desc->wHubCharacteristics = 0x08; - * desc->bPwrOn2PwrGood = 1; - * desc->bHubContrCurrent = 0; - * desc->bitmap[0] = 0; - * desc->bitmap[1] = 0xff; - * break; - * case GetHubStatus: - * DEBUG_ROOT_HUB("OcteonUSB: GetHubStatus\n"); - * *(__le32 *)buf = 0; - * break; - * case GetPortStatus: - * DEBUG_ROOT_HUB("OcteonUSB: GetPortStatus"); - * if (wIndex != 1) - * { - * DEBUG_ROOT_HUB(" INVALID\n"); - * return -EINVAL; - * } - * - * usb_port_status = cvmx_usb_get_status(usb); - * port_status = 0; - * - * if (usb_port_status.connect_change) - * { - * port_status |= (1 << USB_PORT_FEAT_C_CONNECTION); - * DEBUG_ROOT_HUB(" C_CONNECTION"); - * } - * - * if (usb_port_status.port_enabled) - * { - * port_status |= (1 << USB_PORT_FEAT_C_ENABLE); - * DEBUG_ROOT_HUB(" C_ENABLE"); - * } - * - * if (usb_port_status.connected) - * { - * port_status |= (1 << USB_PORT_FEAT_CONNECTION); - * DEBUG_ROOT_HUB(" CONNECTION"); - * } - * - * if (usb_port_status.port_enabled) - * { - * port_status |= (1 << USB_PORT_FEAT_ENABLE); - * DEBUG_ROOT_HUB(" ENABLE"); - * } - * - * if (usb_port_status.port_over_current) - * { - * port_status |= (1 << USB_PORT_FEAT_OVER_CURRENT); - * DEBUG_ROOT_HUB(" OVER_CURRENT"); - * } - * - * if (usb_port_status.port_powered) - * { - * port_status |= (1 << USB_PORT_FEAT_POWER); - * DEBUG_ROOT_HUB(" POWER"); - * } - * - * if (usb_port_status.port_speed == CVMX_USB_SPEED_HIGH) - * { - * port_status |= (1 << USB_PORT_FEAT_HIGHSPEED); - * DEBUG_ROOT_HUB(" HIGHSPEED"); - * } - * else if (usb_port_status.port_speed == CVMX_USB_SPEED_LOW) - * { - * port_status |= (1 << USB_PORT_FEAT_LOWSPEED); - * DEBUG_ROOT_HUB(" LOWSPEED"); - * } - * - * *((__le32 *)buf) = cpu_to_le32(port_status); - * DEBUG_ROOT_HUB("\n"); - * break; - * case SetHubFeature: - * DEBUG_ROOT_HUB("OcteonUSB: SetHubFeature\n"); - * // No HUB features supported - * break; - * case SetPortFeature: - * DEBUG_ROOT_HUB("OcteonUSB: SetPortFeature"); - * if (wIndex != 1) - * { - * DEBUG_ROOT_HUB(" INVALID\n"); - * return -EINVAL; - * } - * - * switch (wValue) - * { - * case USB_PORT_FEAT_SUSPEND: - * DEBUG_ROOT_HUB(" SUSPEND\n"); - * return -EINVAL; - * case USB_PORT_FEAT_POWER: - * DEBUG_ROOT_HUB(" POWER\n"); - * return -EINVAL; - * case USB_PORT_FEAT_RESET: - * DEBUG_ROOT_HUB(" RESET\n"); - * local_irq_save(flags); - * cvmx_usb_disable(usb); - * if (cvmx_usb_enable(usb)) - * DEBUG_ERROR("Failed to enable the port\n"); - * local_irq_restore(flags); - * return 0; - * case USB_PORT_FEAT_INDICATOR: - * DEBUG_ROOT_HUB(" INDICATOR\n"); - * // Not supported - * break; - * default: - * DEBUG_ROOT_HUB(" UNKNOWN\n"); - * return -EINVAL; - * } - * break; - * default: - * DEBUG_ROOT_HUB("OcteonUSB: Unknown root hub request\n"); - * return -EINVAL; - * } - * return 0; - * } - * @endcode + * equivalent cvmx-usb API calls. * * <h2>Interrupts</h2> * |