332645a610
- Backport upstream Winbond W25N04KV Flash support.
- Backport upstream GigaDevice series Flash support.
- Backport pending Airoha AN8855 switch TPID value fix.
- Backport Mediatek UART baudrate accuracy compensation support.
- Pull mtk patchset from MTK SDK mtksoc-20250711 branch:
Remove mt7622_rfb changes. The MTK SDK already dropped them.
Replace Airoha ethernet PHY driver with new version.
Split downstream snfi changes into independent patches.
Add new Marvell CUX3410 PHY driver.
Add new MediaTek built-in 2.5Gbps PHY driver.
Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
66 lines
1.6 KiB
Diff
66 lines
1.6 KiB
Diff
From 501b4d1a43ce6bce4e8fa07ba164af1eec05c8be Mon Sep 17 00:00:00 2001
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From: Weijie Gao <weijie.gao@mediatek.com>
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Date: Mon, 25 Jul 2022 17:24:56 +0800
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Subject: [PATCH 26/30] mtd: ubi: add support for UBI end-of-filesystem marker
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used by OpenWrt
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Add support for UBI end-of-filesystem marker used by OpenWrt to allow
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attaching a new UBI mtd partition just upgraded.
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Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
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---
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drivers/mtd/ubi/attach.c | 25 ++++++++++++++++++++++---
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drivers/mtd/ubi/ubi.h | 1 +
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2 files changed, 23 insertions(+), 3 deletions(-)
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--- a/drivers/mtd/ubi/attach.c
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+++ b/drivers/mtd/ubi/attach.c
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@@ -803,6 +803,13 @@ out_unlock:
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return err;
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}
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+static bool ec_hdr_has_eof(struct ubi_ec_hdr *ech)
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+{
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+ return ech->padding1[0] == 'E' &&
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+ ech->padding1[1] == 'O' &&
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+ ech->padding1[2] == 'F';
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+}
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+
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/**
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* scan_peb - scan and process UBI headers of a PEB.
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* @ubi: UBI device description object
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@@ -833,9 +840,21 @@ static int scan_peb(struct ubi_device *u
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return 0;
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}
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- err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0);
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- if (err < 0)
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- return err;
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+ if (!ai->eof_found) {
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+ err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0);
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+ if (err < 0)
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+ return err;
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+
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+ if (ec_hdr_has_eof(ech)) {
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+ pr_notice("UBI: EOF marker found, PEBs from %d will be erased\n",
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+ pnum);
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+ ai->eof_found = true;
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+ }
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+ }
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+
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+ if (ai->eof_found)
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+ err = UBI_IO_FF_BITFLIPS;
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+
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switch (err) {
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case 0:
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break;
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--- a/drivers/mtd/ubi/ubi.h
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+++ b/drivers/mtd/ubi/ubi.h
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@@ -746,6 +746,7 @@ struct ubi_attach_info {
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int mean_ec;
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uint64_t ec_sum;
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int ec_count;
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+ bool eof_found;
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struct kmem_cache *aeb_slab_cache;
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};
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