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Commit 2b16e39e authored by Florian Fainelli's avatar Florian Fainelli Committed by Greg Kroah-Hartman
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USB: ohci: allow platform driver to specify the number of ports 



This patch modifies the ohci platform driver to accept the num_ports
parameter to be set via platform_data. Setting the number of ports must be
done after the call to ohci_hcd_init().

Signed-off-by: default avatarFlorian Fainelli <florian@openwrt.org>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f3a958d3

drivers/usb/host/ohci-platform.c

+4 −0
Original line number Diff line number Diff line
@@ -31,6 +31,10 @@ static int ohci_platform_reset(struct usb_hcd *hcd) 
		ohci->flags |= OHCI_QUIRK_FRAME_NO;



	ohci_hcd_init(ohci);



	if (pdata->num_ports)

		ohci->num_ports = pdata->num_ports;



	err = ohci_init(ohci);



	return err;

include/linux/usb/ohci_pdriver.h

+2 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
 * @big_endian_desc:	BE descriptors

 * @big_endian_mmio:	BE registers

 * @no_big_frame_no:	no big endian frame_no shift

 * @num_ports:		number of ports

 *

 * These are general configuration options for the OHCI controller. All of

 * these options are activating more or less workarounds for some hardware.
@@ -33,6 +34,7 @@ struct usb_ohci_pdata { 
	unsigned	big_endian_desc:1;

	unsigned	big_endian_mmio:1;

	unsigned	no_big_frame_no:1;

	unsigned int	num_ports;



	/* Turn on all power and clocks */

	int (*power_on)(struct platform_device *pdev);