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synced 2025-08-05 16:54:27 +00:00
412576293c
The mailbox payload pointer is void __iomem *. Casting it to u32 * is
incorrect and causes sparse warning.
cast removes address space '__iomem' of expression
Fixes: b87f920b93 ("accel/amdxdna: Support hardware mailbox")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202501130921.ktqwsMLH-lkp@intel.com/
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250113182617.1256094-1-lizhi.hou@amd.com
61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2024, Advanced Micro Devices, Inc.
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*/
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#include <drm/amdxdna_accel.h>
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#include <drm/drm_device.h>
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#include <drm/drm_print.h>
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#include <drm/drm_gem.h>
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#include <drm/drm_gem_shmem_helper.h>
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#include <drm/gpu_scheduler.h>
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#include <linux/completion.h>
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#include "amdxdna_gem.h"
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#include "amdxdna_mailbox.h"
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#include "amdxdna_mailbox_helper.h"
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#include "amdxdna_pci_drv.h"
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int xdna_msg_cb(void *handle, void __iomem *data, size_t size)
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{
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struct xdna_notify *cb_arg = handle;
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int ret;
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if (unlikely(!data))
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goto out;
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if (unlikely(cb_arg->size != size)) {
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cb_arg->error = -EINVAL;
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goto out;
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}
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memcpy_fromio(cb_arg->data, data, cb_arg->size);
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print_hex_dump_debug("resp data: ", DUMP_PREFIX_OFFSET,
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16, 4, cb_arg->data, cb_arg->size, true);
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out:
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ret = cb_arg->error;
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complete(&cb_arg->comp);
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return ret;
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}
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int xdna_send_msg_wait(struct amdxdna_dev *xdna, struct mailbox_channel *chann,
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struct xdna_mailbox_msg *msg)
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{
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struct xdna_notify *hdl = msg->handle;
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int ret;
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ret = xdna_mailbox_send_msg(chann, msg, TX_TIMEOUT);
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if (ret) {
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XDNA_ERR(xdna, "Send message failed, ret %d", ret);
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return ret;
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}
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ret = wait_for_completion_timeout(&hdl->comp,
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msecs_to_jiffies(RX_TIMEOUT));
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if (!ret) {
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XDNA_ERR(xdna, "Wait for completion timeout");
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return -ETIME;
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}
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return hdl->error;
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}
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