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authorRan Wang <ran.wang_1@nxp.com>2019-01-17 10:10:55 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-18 10:02:09 +0100
commit5f620bb6439ea8f354cfe4c7d47887df9d3acaf0 (patch)
tree841eb8733dcfd70f108fae69c3c917b7e2bc6384 /drivers/usb/host/ehci-fsl.c
parentusb: kconfig: remove dependency FSL_SOC for ehci fsl driver (diff)
downloadlinux-5f620bb6439ea8f354cfe4c7d47887df9d3acaf0.tar.xz
linux-5f620bb6439ea8f354cfe4c7d47887df9d3acaf0.zip
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>
Diffstat (limited to 'drivers/usb/host/ehci-fsl.c')
-rw-r--r--drivers/usb/host/ehci-fsl.c7
1 files changed, 1 insertions, 6 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)