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r8a66597-hcd: fix cannot use external hub

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Fix the problem that cannot use external hub, because this driver
did not control correctly a DEVADDx register.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Remy Bohmer <linux@bohmer.net>
This commit is contained in:
Yoshihiro Shimoda 2008-10-29 20:05:18 +09:00 committed by Remy Bohmer
parent 09fee8e867
commit 60ece6d804
1 changed files with 31 additions and 5 deletions
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36
drivers/usb/r8a66597-hcd.c
View file

@ -36,12 +36,37 @@ static unsigned short vif = CONFIG_R8A66597_LDRV;
static unsigned short endian = CONFIG_R8A66597_ENDIAN;
static struct r8a66597 gr8a66597;
static void set_devadd_reg(struct r8a66597 *r8a66597, u8 r8a66597_address,
u16 usbspd, u8 upphub, u8 hubport, int port)
static void get_hub_data(struct usb_device *dev, u16 *hub_devnum, u16 *hubport)
{
u16 val;
int i;
*hub_devnum = 0;
*hubport = 0;
/* check a device connected to root_hub */
if ((dev->parent && dev->parent->devnum == 1) ||
(dev->devnum == 1))
return;
for (i = 0; i < USB_MAXCHILDREN; i++) {
if (dev->parent->children[i] == dev) {
*hub_devnum = (u8)dev->parent->devnum;
*hubport = i;
return;
}
}
printf("get_hub_data error.\n");
}
static void set_devadd(struct r8a66597 *r8a66597, u8 r8a66597_address,
struct usb_device *dev, int port)
{
u16 val, usbspd, upphub, hubport;
unsigned long devadd_reg = get_devadd_addr(r8a66597_address);
get_hub_data(dev, &upphub, &hubport);
usbspd = r8a66597->speed;
val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001);
r8a66597_write(r8a66597, val, devadd_reg);
}
@ -818,7 +843,7 @@ int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n",
pipe, buffer, transfer_len, dev->devnum);
set_devadd_reg(r8a66597, dev->devnum, r8a66597->speed, 0, 0, 0);
set_devadd(r8a66597, dev->devnum, dev, 0);
pipe_buffer_setting(r8a66597, dev, pipe);
@ -854,13 +879,14 @@ int submit_control_msg(struct usb_device *dev, unsigned long pipe,
setup);
R8A66597_DPRINT("%s: setup\n", __func__);
set_devadd_reg(r8a66597, r8a66597_address, r8a66597->speed, 0, 0, 0);
set_devadd(r8a66597, r8a66597_address, dev, 0);
if (send_setup_packet(r8a66597, dev, setup) < 0) {
printf("setup packet send error\n");
return -1;
}
dev->act_len = 0;
if (usb_pipein(pipe))
if (receive_control_packet(r8a66597, dev, buffer,
transfer_len) < 0)