linux-kernel - [PATCH 5.2 114/215] PCI: mobiveil: Fix PCI base address in MEM/IO outbound windows

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Date:   Mon, 29 Jul 2019 21:21:50 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hou Zhiqiang <Zhiqiang.Hou@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Minghuan Lian <Minghuan.Lian@....com>,
        Subrahmanya Lingappa <l.subrahmanya@...iveil.co.in>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.2 114/215] PCI: mobiveil: Fix PCI base address in MEM/IO outbound windows

[ Upstream commit f99536e9d2f55996038158a6559d4254a7cc1693 ]

The outbound memory windows PCI base addresses should be taken
from the 'ranges' property of DT node to setup MEM/IO outbound
windows decoding correctly instead of being hardcoded to zero.

Update the code to retrieve the PCI base address for each range
and use it to program the outbound windows address decoders

Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver")
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@....com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Reviewed-by: Minghuan Lian <Minghuan.Lian@....com>
Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@...iveil.co.in>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/pci/controller/pcie-mobiveil.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c
index 77052a0712d0..03d697b63e2a 100644
--- a/drivers/pci/controller/pcie-mobiveil.c
+++ b/drivers/pci/controller/pcie-mobiveil.c
@@ -552,8 +552,9 @@ static int mobiveil_host_init(struct mobiveil_pcie *pcie)
 		if (type) {
 			/* configure outbound translation window */
 			program_ob_windows(pcie, pcie->ob_wins_configured,
-				win->res->start, 0, type,
-				resource_size(win->res));
+					   win->res->start,
+					   win->res->start - win->offset,
+					   type, resource_size(win->res));
 		}
 	}
 
-- 
2.20.1