drivers: usb :fsl: Remove USB Errata checking code

Remove USB errata checking code from driver. Applicability of erratum
is retrieved by reading corresponding property in device tree.
This property is written during device tree fixup.

Besides, replace spaces with tabs to make code aligned.

Signed-off-by: Ramneek Mehresh <ramneek.mehresh@nxp.com>
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 0a867d9..e3d0c1c 100644 (file)
--- 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 677f9d5..4f8b8a0 100644 (file)
--- 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 60cef82..5da56a6 100644 (file)
--- 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;