From: Marek Vasut [mailto:marex@denx.de] On 08/24/2016 12:39 PM, Sriram Dash wrote:
Currently the controller by default enables the Receive Detect feature in P3 mode in USB 3.0 PHY. However, USB 3.0 PHY does not reliably support receive detection in P3 mode. Enabling the USB3 controller to configure USB in P2 mode whenever the Receive Detect feature is required.
Signed-off-by: Sriram Dash sriram.dash@nxp.com Signed-off-by: Rajesh Bhagat rajesh.bhagat@nxp.com
Changes in v2:
- Do Soc ver checking for applying erratum
drivers/usb/common/fsl-errata.c | 26 ++++++++++++++++++++++++++ drivers/usb/host/xhci-dwc3.c | 5 +++++ drivers/usb/host/xhci-fsl.c | 8 ++++++++ include/fsl_usb.h | 1 + include/linux/usb/dwc3.h | 2 ++ 5 files changed, 42 insertions(+)
diff --git a/drivers/usb/common/fsl-errata.c b/drivers/usb/common/fsl-errata.c index 183bf2b..f2bffba 100644 --- a/drivers/usb/common/fsl-errata.c +++ b/drivers/usb/common/fsl-errata.c @@ -190,4 +190,30 @@ bool has_erratum_a008751(void) return false; }
+bool has_erratum_a010151(void) +{
- u32 svr = get_svr();
- u32 soc = SVR_SOC_VER(svr);
- switch (soc) {
+#ifdef CONFIG_ARM64
- case SVR_LS2080A:
- case SVR_LS2085A:
- case SVR_LS1046A:
- case SVR_LS1012A:
return IS_SVR_REV(svr, 1, 0);- case SVR_LS1043A:
return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 1, 1); #endif+#ifdef CONFIG_LS102XA
- case SOC_VER_LS1020:
- case SOC_VER_LS1021:
- case SOC_VER_LS1022:
- case SOC_VER_SLS1020:
return IS_SVR_REV(svr, 2, 0);+#endif
- }
Is the ifdef really needed ?
Yes. The SVR (SVR_LS2080A, SOC_VER_LS1020) are defined in different ARCH specific files. So, we have used the ifdefs.
-- Best regards, Marek Vasut