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738b04c881
Removed upstreamed:
pending-5.15/101-Use-stddefs.h-instead-of-compiler.h.patch[1]
ipq806x/patches-5.15/122-01-clk-qcom-clk-krait-fix-wrong-div2-functions.patch[2]
bcm27xx/patches-5.15/950-0198-drm-fourcc-Add-packed-10bit-YUV-4-2-0-format.patch[3]
Manually rebased:
ramips/patches-5.15/100-PCI-mt7621-Add-MediaTek-MT7621-PCIe-host-controller-.patch[4]
Added patch/backported:
ramips/patches-5.15/107-PCI-mt7621-Add-sentinel-to-quirks-table.patch[5]
All other patches automatically rebased.
1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.86&id=c160505c9b574b346031fdf2c649d19e7939ca11
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.86&id=a051e10bfc6906d29dae7a31f0773f2702edfe1b
3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.86&id=ec1727f89ecd6f2252c0c75e200058819f7ce47a
4. Quilt gave this output when I applied the patch to rebase it:
% quilt push -f
Applying patch platform/100-PCI-mt7621-Add-MediaTek-MT7621-PCIe-host-controller-.patch
patching file arch/mips/ralink/Kconfig
patching file drivers/pci/controller/Kconfig
patching file drivers/pci/controller/Makefile
patching file drivers/staging/Kconfig
patching file drivers/staging/Makefile
patching file drivers/staging/mt7621-pci/Kconfig
patching file drivers/staging/mt7621-pci/Makefile
patching file drivers/staging/mt7621-pci/TODO
patching file drivers/staging/mt7621-pci/mediatek,mt7621-pci.txt
patching file drivers/staging/mt7621-pci/pci-mt7621.c
Hunk #1 FAILED at 1.
Not deleting file drivers/staging/mt7621-pci/pci-mt7621.c as content differs from patch
1 out of 1 hunk FAILED -- saving rejects to file drivers/staging/mt7621-pci/pci-mt7621.c.rej
patching file drivers/pci/controller/pcie-mt7621.c
Applied patch platform/100-PCI-mt7621-Add-MediaTek-MT7621-PCIe-host-controller-.patch (forced; needs refresh)
Upon inspecting drivers/staging/mt7621-pci/pci-mt7621.c.rej, it seems that
the original patch wants to delete drivers/staging/mt7621-pci/pci-mt7621.c
but upstream's version was not an exact match. I opted to delete that
file.
5. Suggestion by hauke: 19098934f9
"This patch is in upstream kernel, but it was backported to the old
staging driver in kernel 5.15."
Build system: x86_64
Build-tested: bcm2711/RPi4B, filogic/xiaomi_redmi-router-ax6000-ubootmod
Run-tested: bcm2711/RPi4B, filogic/xiaomi_redmi-router-ax6000-ubootmod
Signed-off-by: John Audia <therealgraysky@proton.me>
99 lines
2.8 KiB
Diff
99 lines
2.8 KiB
Diff
From 0bccc3722bdd88e8ae995e77ef9f7b77ee4cbdee Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Wed, 7 Apr 2021 22:45:54 +0100
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Subject: [PATCH 2/2] mtd: blktrans: call add disks after mtd device
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To: linux-mtd@lists.infradead.org
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Cc: Vignesh Raghavendra <vigneshr@ti.com>,
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Richard Weinberger <richard@nod.at>,
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Miquel Raynal <miquel.raynal@bootlin.com>,
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David Woodhouse <dwmw2@infradead.org>
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Calling device_add_disk while holding mtd_table_mutex leads
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to deadlock in case part_bits!=0 as block partition parsers
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will try to open the newly created disks, trying to acquire
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mutex once again.
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Move device_add_disk to additional function called after
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add partitions of an MTD device have been added and locks
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have been released.
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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---
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drivers/mtd/mtd_blkdevs.c | 33 ++++++++++++++++++++++++++-------
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drivers/mtd/mtdcore.c | 3 +++
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include/linux/mtd/blktrans.h | 1 +
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3 files changed, 30 insertions(+), 7 deletions(-)
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--- a/drivers/mtd/mtd_blkdevs.c
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+++ b/drivers/mtd/mtd_blkdevs.c
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@@ -384,13 +384,6 @@ int add_mtd_blktrans_dev(struct mtd_blkt
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if (new->readonly)
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set_disk_ro(gd, 1);
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- device_add_disk(&new->mtd->dev, gd, NULL);
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-
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- if (new->disk_attributes) {
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- ret = sysfs_create_group(&disk_to_dev(gd)->kobj,
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- new->disk_attributes);
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- WARN_ON(ret);
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- }
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return 0;
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out_free_tag_set:
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@@ -402,6 +395,27 @@ out_list_del:
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return ret;
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}
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+void register_mtd_blktrans_devs(void)
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+{
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+ struct mtd_blktrans_ops *tr;
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+ struct mtd_blktrans_dev *dev, *next;
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+ int ret;
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+
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+ list_for_each_entry(tr, &blktrans_majors, list) {
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+ list_for_each_entry_safe(dev, next, &tr->devs, list) {
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+ if (disk_live(dev->disk))
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+ continue;
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+
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+ device_add_disk(&dev->mtd->dev, dev->disk, NULL);
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+ if (dev->disk_attributes) {
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+ ret = sysfs_create_group(&disk_to_dev(dev->disk)->kobj,
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+ dev->disk_attributes);
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+ WARN_ON(ret);
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+ }
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+ }
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+ }
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+}
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+
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int del_mtd_blktrans_dev(struct mtd_blktrans_dev *old)
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{
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unsigned long flags;
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--- a/drivers/mtd/mtdcore.c
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+++ b/drivers/mtd/mtdcore.c
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@@ -32,6 +32,7 @@
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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+#include <linux/mtd/blktrans.h>
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#include "mtdcore.h"
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@@ -1081,6 +1082,8 @@ int mtd_device_parse_register(struct mtd
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ret = mtd_otp_nvmem_add(mtd);
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+ register_mtd_blktrans_devs();
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+
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out:
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if (ret && device_is_registered(&mtd->dev))
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del_mtd_device(mtd);
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--- a/include/linux/mtd/blktrans.h
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+++ b/include/linux/mtd/blktrans.h
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@@ -76,6 +76,7 @@ extern int deregister_mtd_blktrans(struc
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extern int add_mtd_blktrans_dev(struct mtd_blktrans_dev *dev);
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extern int del_mtd_blktrans_dev(struct mtd_blktrans_dev *dev);
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extern int mtd_blktrans_cease_background(struct mtd_blktrans_dev *dev);
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+extern void register_mtd_blktrans_devs(void);
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/**
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* module_mtd_blktrans() - Helper macro for registering a mtd blktrans driver
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