diff options
| author | Yogesh Gaur <yogeshnarayan.gaur@nxp.com> | 2017-04-27 10:14:16 +0530 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2017-05-23 09:24:59 -0700 |
| commit | 42e8179007bbfc5f4c0c80cd2131db8138f8546f (patch) | |
| tree | 96280676a4c637e7f2befc8b8c77c049572ded6c /drivers/net/fsl-mc/mc.c | |
| parent | c40e6f916982bfaa38aef642461cbcb5917f2744 (diff) | |
driver: net: fsl-mc: Update fsl_mc_ldpaa_exit() path
Earlier when MC is loaded but DPL is not deployed results in FDT
fix-up code execution hangs. For this case now print message on
console and return success instead of return -ENODEV. This update
allows fdt fixup to continue execution.
Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com>
Signed-off-by: Priyanka Jain <Priyanka.jain@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'drivers/net/fsl-mc/mc.c')
| -rw-r--r-- | drivers/net/fsl-mc/mc.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c index 9f69d75a89..0a74e3e42e 100644 --- a/drivers/net/fsl-mc/mc.c +++ b/drivers/net/fsl-mc/mc.c @@ -1,4 +1,5 @@ /* + * Copyright (C) 2017 NXP Semiconductors * Copyright (C) 2014 Freescale Semiconductor * * SPDX-License-Identifier: GPL-2.0+ @@ -1201,6 +1202,7 @@ err: int fsl_mc_ldpaa_exit(bd_t *bd) { int err = 0; + bool is_dpl_apply_status = false; if (bd && mc_lazy_dpl_addr && !fsl_mc_ldpaa_exit(NULL)) { mc_apply_dpl(mc_lazy_dpl_addr); @@ -1211,14 +1213,18 @@ int fsl_mc_ldpaa_exit(bd_t *bd) if (bd && get_mc_boot_status() != 0) return 0; - if (bd && !get_mc_boot_status() && get_dpl_apply_status() == -1) { - printf("ERROR: fsl-mc: DPL is not applied\n"); - err = -ENODEV; - return err; - } + /* If DPL is deployed, set is_dpl_apply_status as TRUE. */ + if (!get_dpl_apply_status()) + is_dpl_apply_status = true; - if (bd && !get_mc_boot_status() && !get_dpl_apply_status()) - return err; + /* + * For case MC is loaded but DPL is not deployed, return success and + * print message on console. Else FDT fix-up code execution hanged. + */ + if (bd && !get_mc_boot_status() && !is_dpl_apply_status) { + printf("fsl-mc: DPL not deployed, DPAA2 ethernet not work\n"); + return 0; + } err = dpbp_exit(); if (err < 0) { |