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spi: amd: Set correct bus number in ACPI probe path

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On platforms where the HID2 SPI controller (AMDI0063) is enumerated via
ACPI instead of PCI, amd_spi_probe() unconditionally sets bus_num to 0,
while the PCI probe path assigns bus_num 2 for HID2 controller.

Align the ACPI probe path to use the same bus number so that userspace
and SPI client drivers see a consistent bus assignment regardless of the
enumeration method.

Fixes: b644c27766 ("spi: spi_amd: Add PCI-based driver for AMD HID2 SPI controller")
Cc: stable@vger.kernel.org # v6.16+
Signed-off-by: Krishnamoorthi M <krishnamoorthi.m@amd.com>
Link: https://patch.msgid.link/20260507180051.4158674-1-krishnamoorthi.m@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Krishnamoorthi M 2026-05-07 23:30:51 +05:30 committed by Mark Brown
parent cb196d50a7
commit 422bd00b71
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GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 1 deletions
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2
drivers/spi/spi-amd.c
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@ -868,7 +868,7 @@ static int amd_spi_probe(struct platform_device *pdev)
dev_dbg(dev, "io_remap_address: %p\n", amd_spi->io_remap_addr);
amd_spi->version = (uintptr_t)device_get_match_data(dev);
host->bus_num = 0;
host->bus_num = (amd_spi->version == AMD_HID2_SPI) ? 2 : 0;
return amd_spi_probe_common(dev, host);
}