threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
/*
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* Copyright (C) 2015 MediaTek Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/types.h>
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#include <linux/genhd.h>
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#include <mt-plat/mtk_boot.h>
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struct hd_struct *get_part(const char *name)
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{
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dev_t devt;
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int partno;
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struct disk_part_iter piter;
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struct gendisk *disk;
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struct hd_struct *part = NULL;
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int boot_type;
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if (!name)
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return part;
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boot_type = get_boot_type();
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if (boot_type == BOOTDEV_UFS)
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devt = blk_lookup_devt("sdc", 0);
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else
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devt = blk_lookup_devt("mmcblk0", 0);
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disk = get_gendisk(devt, &partno);
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if (!disk || get_capacity(disk) == 0)
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return 0;
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disk_part_iter_init(&piter, disk, 0);
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while ((part = disk_part_iter_next(&piter))) {
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if (part->info && !strcmp(part->info->volname, name)) {
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get_device(part_to_dev(part));
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break;
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}
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}
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disk_part_iter_exit(&piter);
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return part;
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}
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EXPORT_SYMBOL(get_part);
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void put_part(struct hd_struct *part)
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{
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disk_put_part(part);
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}
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EXPORT_SYMBOL(put_part);
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