From e0c171d5537f45185c2e8f97b9ab2e2fdea56fa9 Mon Sep 17 00:00:00 2001 From: Diana Craciun Date: Tue, 29 Sep 2020 11:54:32 +0300 Subject: [PATCH] bus/fsl-mc: Set the QMAN/BMAN region flags The QMAN region is memory mapped, so it should be of type IORESOURCE_MEM. The region flags bits were wrongly used to pass additional information. Use the bus specific bits for this purpose. Reviewed-by: Laurentiu Tudor Acked-by: Laurentiu Tudor Signed-off-by: Diana Craciun Link: https://lore.kernel.org/r/20200929085441.17448-5-diana.craciun@oss.nxp.com Signed-off-by: Greg Kroah-Hartman --- drivers/bus/fsl-mc/fsl-mc-bus.c | 7 ++----- drivers/bus/fsl-mc/fsl-mc-private.h | 6 ------ include/linux/fsl/mc.h | 8 ++++++++ 3 files changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c index ef2878b..c4be490 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -615,11 +615,8 @@ static int fsl_mc_device_get_mmio_regions(struct fsl_mc_device *mc_dev, regions[i].end = regions[i].start + region_desc.size - 1; regions[i].name = "fsl-mc object MMIO region"; - regions[i].flags = IORESOURCE_IO; - if (region_desc.flags & DPRC_REGION_CACHEABLE) - regions[i].flags |= IORESOURCE_CACHEABLE; - if (region_desc.flags & DPRC_REGION_SHAREABLE) - regions[i].flags |= IORESOURCE_MEM; + regions[i].flags = region_desc.flags & IORESOURCE_BITS; + regions[i].flags |= IORESOURCE_MEM; } mc_dev->regions = regions; diff --git a/drivers/bus/fsl-mc/fsl-mc-private.h b/drivers/bus/fsl-mc/fsl-mc-private.h index 7a46a12e..9f20073 100644 --- a/drivers/bus/fsl-mc/fsl-mc-private.h +++ b/drivers/bus/fsl-mc/fsl-mc-private.h @@ -358,12 +358,6 @@ int dprc_set_obj_irq(struct fsl_mc_io *mc_io, int obj_id, u8 irq_index, struct dprc_irq_cfg *irq_cfg); - -/* Region flags */ -/* Cacheable - Indicates that region should be mapped as cacheable */ -#define DPRC_REGION_CACHEABLE 0x00000001 -#define DPRC_REGION_SHAREABLE 0x00000002 - /** * enum dprc_region_type - Region type * @DPRC_REGION_TYPE_MC_PORTAL: MC portal region diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h index 3b5f0c9..03a5d16d 100644 --- a/include/linux/fsl/mc.h +++ b/include/linux/fsl/mc.h @@ -3,6 +3,7 @@ * Freescale Management Complex (MC) bus public interface * * Copyright (C) 2014-2016 Freescale Semiconductor, Inc. + * Copyright 2019-2020 NXP * Author: German Rivera * */ @@ -148,6 +149,13 @@ struct fsl_mc_obj_desc { */ #define FSL_MC_IS_DPRC 0x0001 +/* Region flags */ +/* Indicates that region can be mapped as cacheable */ +#define FSL_MC_REGION_CACHEABLE 0x00000001 + +/* Indicates that region can be mapped as shareable */ +#define FSL_MC_REGION_SHAREABLE 0x00000002 + /** * struct fsl_mc_device - MC object device object * @dev: Linux driver model device object -- 2.7.4