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d8e8a2a8db
It still requires fixing PCIe support: [ 6.644699] pcie_iproc_bcma bcma0:7: host bridge /axi@18000000/pcie@12000 ranges: [ 6.652217] pcie_iproc_bcma bcma0:7: No bus range found for /axi@18000000/pcie@12000, using [bus 00-ff] [ 6.661833] OF: /axi@18000000/pcie@12000: Missing device_type [ 6.667622] pcie_iproc_bcma: probe of bcma0:7 failed with error -12 [ 6.673985] pcie_iproc_bcma bcma0:8: host bridge /axi@18000000/pcie@13000 ranges: [ 6.681514] pcie_iproc_bcma bcma0:8: No bus range found for /axi@18000000/pcie@13000, using [bus 00-ff] [ 6.691137] pcie_iproc_bcma: probe of bcma0:8 failed with error -12 [ 6.697522] pcie_iproc_bcma bcma0:9: host bridge /axi@18000000/pcie@14000 ranges: [ 6.705048] pcie_iproc_bcma bcma0:9: No bus range found for /axi@18000000/pcie@14000, using [bus 00-ff] [ 6.714669] pcie_iproc_bcma: probe of bcma0:9 failed with error -12 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
44 lines
1.3 KiB
Diff
44 lines
1.3 KiB
Diff
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Tue, 13 Apr 2021 18:25:20 +0200
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Subject: [PATCH] mtd: parsers: trx: parse "firmware" MTD partitions only
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Parsing every partition with "compatible" set to "brcm,trx" results in
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parsing both: firmware partition and failsafe partition on devices that
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implement failsafe booting. This affects e.g. Linksys EA9500 which has:
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partition@200000 {
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reg = <0x0200000 0x01d00000>;
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compatible = "linksys,ns-firmware", "brcm,trx";
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};
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partition@1f00000 {
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reg = <0x01f00000 0x01d00000>;
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compatible = "linksys,ns-firmware", "brcm,trx";
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};
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Check for MTD partition name "firmware" before parsing. Recently added
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ofpart_linksys_ns.c creates "firmware" and "failsafe" depending on
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bootloader setup.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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drivers/mtd/parsers/parser_trx.c | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/drivers/mtd/parsers/parser_trx.c
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+++ b/drivers/mtd/parsers/parser_trx.c
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@@ -85,6 +85,10 @@ static int parser_trx_parse(struct mtd_i
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uint8_t curr_part = 0, i = 0;
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int err;
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+ /* Don't parse any failsafe / backup partitions */
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+ if (strcmp(mtd->name, "firmware"))
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+ return -EINVAL;
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+
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parts = kcalloc(TRX_PARSER_MAX_PARTS, sizeof(struct mtd_partition),
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GFP_KERNEL);
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if (!parts)
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