diff options
Diffstat (limited to 'drivers/pci/pcie_layerscape_gen4_fixup.c')
| -rw-r--r-- | drivers/pci/pcie_layerscape_gen4_fixup.c | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/drivers/pci/pcie_layerscape_gen4_fixup.c b/drivers/pci/pcie_layerscape_gen4_fixup.c index da9817159f..bfe197e7d8 100644 --- a/drivers/pci/pcie_layerscape_gen4_fixup.c +++ b/drivers/pci/pcie_layerscape_gen4_fixup.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0+ OR X11 /* - * Copyright 2018-2019 NXP + * Copyright 2018-2020 NXP * * PCIe Gen4 driver for NXP Layerscape SoCs * Author: Hou Zhiqiang <Minder.Hou@gmail.com> @@ -19,6 +19,7 @@ #include <asm/arch/clock.h> #endif #include "pcie_layerscape_gen4.h" +#include "pcie_layerscape_fixup_common.h" #if defined(CONFIG_FSL_LSCH3) || defined(CONFIG_FSL_LSCH2) /* @@ -32,19 +33,6 @@ static int ls_pcie_g4_next_lut_index(struct ls_pcie_g4 *pcie) return -ENOSPC; /* LUT is full */ } -/* returns the next available streamid for pcie, -errno if failed */ -static int ls_pcie_g4_next_streamid(struct ls_pcie_g4 *pcie) -{ - int stream_id = pcie->stream_id_cur; - - if (stream_id > FSL_PEX_STREAM_ID_END) - return -EINVAL; - - pcie->stream_id_cur++; - - return stream_id | ((pcie->idx + 1) << 11); -} - /* * Program a single LUT entry */ @@ -161,10 +149,12 @@ static void fdt_fixup_pcie_ls_gen4(void *blob) bus = bus->parent; pcie = dev_get_priv(bus); - streamid = ls_pcie_g4_next_streamid(pcie); + streamid = pcie_next_streamid(pcie->stream_id_cur, pcie->idx); if (streamid < 0) { debug("ERROR: no stream ids free\n"); continue; + } else { + pcie->stream_id_cur++; } index = ls_pcie_g4_next_lut_index(pcie); @@ -234,7 +224,7 @@ static void ft_pcie_layerscape_gen4_setup(void *blob, struct ls_pcie_g4 *pcie) } /* Fixup Kernel DT for PCIe */ -void ft_pci_setup(void *blob, bd_t *bd) +void ft_pci_setup_ls_gen4(void *blob, bd_t *bd) { struct ls_pcie_g4 *pcie; @@ -247,7 +237,7 @@ void ft_pci_setup(void *blob, bd_t *bd) } #else /* !CONFIG_OF_BOARD_SETUP */ -void ft_pci_setup(void *blob, bd_t *bd) +void ft_pci_setup_ls_gen4(void *blob, bd_t *bd) { } #endif |