diff options
| author | Nikhil Badola <nikhil.badola@freescale.com> | 2017-05-09 02:15:07 (GMT) |
|---|---|---|
| committer | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-09-25 07:25:28 (GMT) |
| commit | f6e79d862c0e230125db72dc647c6246c07a1545 (patch) | |
| tree | a8807bace2d428ea4678174ac460ab414da4d865 /drivers/usb | |
| parent | 5ee96ce2a31e4202dfbf7928841b196e65858e66 (diff) | |
| download | linux-f6e79d862c0e230125db72dc647c6246c07a1545.tar.xz | |
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.
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: yinbo.zhu <yinbo.zhu@nxp.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ehci-fsl.c | 7 | ||||
| -rw-r--r-- | drivers/usb/host/fsl-mph-dr-of.c | 6 |
2 files changed, 7 insertions, 6 deletions
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index dd9a965..3abd9a2 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -418,14 +418,9 @@ 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 1dcc0ed..1e59ea9 100644 --- a/drivers/usb/host/fsl-mph-dr-of.c +++ b/drivers/usb/host/fsl-mph-dr-of.c @@ -233,6 +233,12 @@ static int fsl_usb2_mph_dr_of_probe(struct platform_device *ofdev) else pdata->has_fsl_erratum_a006918 = 0; + 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 |