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Changelog: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.133
Removed upstreamed:
bcm47xx/patches-5.15/101-v5.18-mtd-rawnand-brcmnand-Allow-SoC-to-provide-I-O-operations.patch[1]
Cherry picked build fix.[2] All other patches automatically rebased.
1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.133&id=56cf9f446b331414a15ef0e8dedf23583ec2c427
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.15/fix-up-backport-of-136191703038-interconnect-teach-l.patch
Build system: x86_64
Build-tested: ramips/tplink_archer-a6-v3
Run-tested: ramips/tplink_archer-a6-v3
Signed-off-by: John Audia <therealgraysky@proton.me>
(cherry picked from commit 89895937dd)
30 lines
989 B
Diff
30 lines
989 B
Diff
From: Florian Fainelli <f.fainelli@gmail.com>
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Subject: [PATCH v3 8/9] mtd: rawnand: brcmnand: BCMA controller uses command shift of 0
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Date: Fri, 07 Jan 2022 10:46:13 -0800
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Content-Type: text/plain; charset="utf-8"
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For some odd and unexplained reason the BCMA NAND controller, albeit
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revision 3.4 uses a command shift of 0 instead of 24 as it should be,
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quirk that.
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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drivers/mtd/nand/raw/brcmnand/brcmnand.c | 6 ++++++
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1 file changed, 6 insertions(+)
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--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
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+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
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@@ -951,6 +951,12 @@ static void brcmnand_wr_corr_thresh(stru
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static inline int brcmnand_cmd_shift(struct brcmnand_controller *ctrl)
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{
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+ /* Kludge for the BCMA-based NAND controller which does not actually
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+ * shift the command
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+ */
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+ if (ctrl->nand_version == 0x0304 && brcmnand_non_mmio_ops(ctrl))
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+ return 0;
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+
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if (ctrl->nand_version < 0x0602)
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return 24;
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return 0;
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