Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 918be81..ff0e2b1 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* MPC83xx/85xx/86xx PCI/PCIE support routing.
*
@@ -11,11 +12,6 @@
* MPC83xx PCI-Express support:
* Tony Li <tony.li@freescale.com>
* Anton Vorontsov <avorontsov@ru.mvista.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#include <linux/kernel.h>
#include <linux/pci.h>
@@ -40,6 +36,7 @@
#include <asm/mpc85xx.h>
#include <asm/disassemble.h>
#include <asm/ppc-opcode.h>
+#include <asm/swiotlb.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
@@ -114,33 +111,33 @@
static u64 pci64_dma_offset;
#ifdef CONFIG_SWIOTLB
+static void pci_dma_dev_setup_swiotlb(struct pci_dev *pdev)
+{
+ struct pci_controller *hose = pci_bus_to_host(pdev->bus);
+
+ pdev->dev.bus_dma_mask =
+ hose->dma_window_base_cur + hose->dma_window_size;
+}
+
static void setup_swiotlb_ops(struct pci_controller *hose)
{
- if (ppc_swiotlb_enable) {
+ if (ppc_swiotlb_enable)
hose->controller_ops.dma_dev_setup = pci_dma_dev_setup_swiotlb;
- set_pci_dma_ops(&powerpc_swiotlb_dma_ops);
- }
}
#else
static inline void setup_swiotlb_ops(struct pci_controller *hose) {}
#endif
-static int fsl_pci_dma_set_mask(struct device *dev, u64 dma_mask)
+static void fsl_pci_dma_set_mask(struct device *dev, u64 dma_mask)
{
- if (!dev->dma_mask || !dma_supported(dev, dma_mask))
- return -EIO;
-
/*
* Fix up PCI devices that are able to DMA to the large inbound
* mapping that allows addressing any RAM address from across PCI.
*/
if (dev_is_pci(dev) && dma_mask >= pci64_dma_offset * 2 - 1) {
- set_dma_ops(dev, &dma_nommu_ops);
- set_dma_offset(dev, pci64_dma_offset);
+ dev->bus_dma_mask = 0;
+ dev->archdata.dma_offset = pci64_dma_offset;
}
-
- *dev->dma_mask = dma_mask;
- return 0;
}
static int setup_one_atmu(struct ccsr_pci __iomem *pci,