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| author | Olav Kongas <ok@artecdesign.ee> | 2005-08-04 17:02:54 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-09-08 16:22:48 -0700 |
| commit | f8d23d309809ae69c763520dababb7e845938272 (patch) | |
| tree | 0c07570e6de7e6978bd336be9fabfe1ecfee802b /drivers/usb/host/isp116x-hcd.c | |
| parent | 9d233d9faedfd8a4ee22288c1fdc698a6f75db21 (diff) | |
| download | kernel_samsung_smdk4412-f8d23d309809ae69c763520dababb7e845938272.tar.gz kernel_samsung_smdk4412-f8d23d309809ae69c763520dababb7e845938272.tar.bz2 kernel_samsung_smdk4412-f8d23d309809ae69c763520dababb7e845938272.zip | |
[PATCH] USB: isp116x-hcd: remove clock() and reset()
This patch removes support for user-provided platform-specific hardware reset
and clock starting/stopping functions. Hardware reset was needed earlier as
getting the software reset working was tricky due to the lack of documentation.
Recently, a number of people using isp116x have said the software reset is
working for them.
I haven't heard of anybody using the clock starting/stopping.
Signed-off-by: Olav Kongas <ok@artecdesign.ee>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/isp116x-hcd.c')
| -rw-r--r-- | drivers/usb/host/isp116x-hcd.c | 31 |
1 files changed, 3 insertions, 28 deletions
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index aeddef7a12a..1ed2abac8d1 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -1463,10 +1463,6 @@ static int isp116x_sw_reset(struct isp116x *isp116x) return ret; } -/* - Reset. Tries to perform platform-specific hardware - reset first; falls back to software reset. -*/ static int isp116x_reset(struct usb_hcd *hcd) { struct isp116x *isp116x = hcd_to_isp116x(hcd); @@ -1474,17 +1470,7 @@ static int isp116x_reset(struct usb_hcd *hcd) u16 clkrdy = 0; int ret = 0, timeout = 15 /* ms */ ; - if (isp116x->board && isp116x->board->reset) { - /* Hardware reset */ - isp116x->board->reset(hcd->self.controller, 1); - msleep(10); - if (isp116x->board->clock) - isp116x->board->clock(hcd->self.controller, 1); - msleep(1); - isp116x->board->reset(hcd->self.controller, 0); - } else - ret = isp116x_sw_reset(isp116x); - + ret = isp116x_sw_reset(isp116x); if (ret) return ret; @@ -1501,10 +1487,7 @@ static int isp116x_reset(struct usb_hcd *hcd) ERR("Clock not ready after 20ms\n"); /* After sw_reset the clock won't report to be ready, if H_WAKEUP pin is high. */ - if (!isp116x->board || !isp116x->board->reset) - ERR("The driver does not support hardware wakeup.\n"); - ERR("Please make sure that the H_WAKEUP pin " - "is pulled low!\n"); + ERR("Please make sure that the H_WAKEUP pin is pulled low!\n"); ret = -ENODEV; } return ret; @@ -1527,15 +1510,7 @@ static void isp116x_stop(struct usb_hcd *hcd) isp116x_write_reg32(isp116x, HCRHSTATUS, RH_HS_LPS); spin_unlock_irqrestore(&isp116x->lock, flags); - /* Put the chip into reset state */ - if (isp116x->board && isp116x->board->reset) - isp116x->board->reset(hcd->self.controller, 0); - else - isp116x_sw_reset(isp116x); - - /* Stop the clock */ - if (isp116x->board && isp116x->board->clock) - isp116x->board->clock(hcd->self.controller, 0); + isp116x_sw_reset(isp116x); } /* |