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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-05 16:10:44 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-05 16:10:44 -0800 |
| commit | 98e990afa659769fe7ca1f2408fc7d2e946d5e50 (patch) | |
| tree | c5efc38aff43420b1b087804e1c15e703dd1c0f2 /drivers | |
| parent | 75d7b398b74f86244fbb46ea9005438ae0aa33c8 (diff) | |
| parent | 71919403dc86b40fafd9400738668f96679c551b (diff) | |
| download | linux-rpi-98e990afa659769fe7ca1f2408fc7d2e946d5e50.tar.gz linux-rpi-98e990afa659769fe7ca1f2408fc7d2e946d5e50.tar.bz2 linux-rpi-98e990afa659769fe7ca1f2408fc7d2e946d5e50.zip | |
Merge tag 'usb-3.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
USB: revert a powerpc EHCI patch
There is just one patch in here, a revert of a powerpc EHCI driver
patch that was reported to cause problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* tag 'usb-3.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
Revert "powerpc/usb: fix issue of CPU halt when missing USB PHY clock"
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/ehci-fsl.c | 11 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-fsl.h | 1 |
2 files changed, 2 insertions, 10 deletions
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index c26a82e83f6e..b556a72264d1 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -239,7 +239,7 @@ static void ehci_fsl_setup_phy(struct ehci_hcd *ehci, ehci_writel(ehci, portsc, &ehci->regs->port_status[port_offset]); } -static int ehci_fsl_usb_setup(struct ehci_hcd *ehci) +static void ehci_fsl_usb_setup(struct ehci_hcd *ehci) { struct usb_hcd *hcd = ehci_to_hcd(ehci); struct fsl_usb2_platform_data *pdata; @@ -299,19 +299,12 @@ static int ehci_fsl_usb_setup(struct ehci_hcd *ehci) #endif out_be32(non_ehci + FSL_SOC_USB_SICTRL, 0x00000001); } - - if (!(in_be32(non_ehci + FSL_SOC_USB_CTRL) & CTRL_PHY_CLK_VALID)) { - printk(KERN_WARNING "fsl-ehci: USB PHY clock invalid\n"); - return -ENODEV; - } - return 0; } /* called after powerup, by probe or system-pm "wakeup" */ static int ehci_fsl_reinit(struct ehci_hcd *ehci) { - if (ehci_fsl_usb_setup(ehci)) - return -ENODEV; + ehci_fsl_usb_setup(ehci); ehci_port_power(ehci, 0); return 0; diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h index bdf43e2adc51..491806221165 100644 --- a/drivers/usb/host/ehci-fsl.h +++ b/drivers/usb/host/ehci-fsl.h @@ -45,6 +45,5 @@ #define FSL_SOC_USB_PRICTRL 0x40c /* NOTE: big-endian */ #define FSL_SOC_USB_SICTRL 0x410 /* NOTE: big-endian */ #define FSL_SOC_USB_CTRL 0x500 /* NOTE: big-endian */ -#define CTRL_PHY_CLK_VALID (1 << 17) #define SNOOP_SIZE_2GB 0x1e #endif /* _EHCI_FSL_H */ |