Date: Tue, 4 Oct 2016 09:14:48 +0000 (UTC) From: Michal Meloun <mmel@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r306666 - head/sys/arm/nvidia Message-ID: <201610040914.u949EmAv082579@repo.freebsd.org>
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Author: mmel Date: Tue Oct 4 09:14:48 2016 New Revision: 306666 URL: https://svnweb.freebsd.org/changeset/base/306666 Log: TEGRA: Fix PCIe link timeout. MFC after: 2 weeks Modified: head/sys/arm/nvidia/tegra_pcie.c Modified: head/sys/arm/nvidia/tegra_pcie.c ============================================================================== --- head/sys/arm/nvidia/tegra_pcie.c Tue Oct 4 08:09:25 2016 (r306665) +++ head/sys/arm/nvidia/tegra_pcie.c Tue Oct 4 09:14:48 2016 (r306666) @@ -201,7 +201,8 @@ __FBSDID("$FreeBSD$"); #define RP_LINK_CONTROL_STATUS_DL_LINK_ACTIVE 0x20000000 #define RP_LINK_CONTROL_STATUS_LINKSTAT_MASK 0x3fff0000 -#define TEGRA_PCIE_LINKUP_TIMEOUT 200 +/* Wait 50 ms (per port) for link. */ +#define TEGRA_PCIE_LINKUP_TIMEOUT 50000 #define TEGRA_PCIB_MSI_ENABLE @@ -1160,6 +1161,7 @@ tegra_pcib_wait_for_link(struct tegra_pc RP_VEND_XP, 4); if (reg & RP_VEND_XP_DL_UP) break; + DELAY(1); } if (i <= 0) @@ -1171,6 +1173,7 @@ tegra_pcib_wait_for_link(struct tegra_pc if (reg & RP_LINK_CONTROL_STATUS_DL_LINK_ACTIVE) break; + DELAY(1); } if (i <= 0) return (ETIMEDOUT);
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