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-rw-r--r--drivers/usb/host/ehci-fsl.c7
-rw-r--r--drivers/usb/host/fsl-mph-dr-of.c6
-rw-r--r--include/linux/fsl_devices.h7
3 files changed, 11 insertions, 9 deletions
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 0a867d96c126..e3d0c1c25160 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -304,14 +304,9 @@ static int ehci_fsl_usb_setup(struct ehci_hcd *ehci)
return -EINVAL;
if (pdata->operating_mode == FSL_USB2_MPH_HOST) {
- unsigned int chip, rev, svr;
-
- svr = mfspr(SPRN_SVR);
- chip = svr >> 16;
- rev = (svr >> 4) & 0xf;
/* Deal with USB Erratum #14 on MPC834x Rev 1.0 & 1.1 chips */
- if ((rev == 1) && (chip >= 0x8050) && (chip <= 0x8055))
+ if (pdata->has_fsl_erratum_14 == 1)
ehci->has_fsl_port_bug = 1;
if (pdata->port_enables & FSL_USB2_PORT0_ENABLED)
diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
index 677f9d592109..4f8b8a08c914 100644
--- a/drivers/usb/host/fsl-mph-dr-of.c
+++ b/drivers/usb/host/fsl-mph-dr-of.c
@@ -225,6 +225,12 @@ static int fsl_usb2_mph_dr_of_probe(struct platform_device *ofdev)
pdata->has_fsl_erratum_a005697 =
of_property_read_bool(np, "fsl,usb_erratum-a005697");
+ if (of_get_property(np, "fsl,usb_erratum_14", NULL))
+ pdata->has_fsl_erratum_14 = 1;
+ else
+ pdata->has_fsl_erratum_14 = 0;
+
+
/*
* Determine whether phy_clk_valid needs to be checked
* by reading property in device tree
diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h
index 60cef8227534..5da56a674f2f 100644
--- a/include/linux/fsl_devices.h
+++ b/include/linux/fsl_devices.h
@@ -98,10 +98,11 @@ struct fsl_usb2_platform_data {
unsigned suspended:1;
unsigned already_suspended:1;
- unsigned has_fsl_erratum_a007792:1;
- unsigned has_fsl_erratum_a005275:1;
+ unsigned has_fsl_erratum_a007792:1;
+ unsigned has_fsl_erratum_14:1;
+ unsigned has_fsl_erratum_a005275:1;
unsigned has_fsl_erratum_a005697:1;
- unsigned check_phy_clk_valid:1;
+ unsigned check_phy_clk_valid:1;
/* register save area for suspend/resume */
u32 pm_command;