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SubjectRe: TI: X15 the connected SSD is not detected on Linux next 20221006 tag
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On 10/14/22 07:07, Anders Roxell wrote:
[...]
>> 8)
>>> If reverting these patches restores the eSATA port on this board, then you need
>>> to fix the defconfig for that board.
>>
>> OTOH,
>> Anders, enabled the new config CONFIG_AHCI_DWC=y and tried but the
>> device failed to boot.
>
> I thought it would work with enabling CONFIG_AHCI_DWC=y, but it didn't...

As mentioned in my previous reply to Naresh, this is a new driver added in
6.1. Your board was working before so this should not be the driver needed
for it.

> However, reverting patch 33629d35090f ("ata: ahci: Add DWC AHCI SATA
> controller support")
> from next-20221013 was a success, kernel booted and the 'mkfs.ext4' cmd was
> successful.

Which is very strange... There is only one hunk in that commit that could
be considered suspicious:

diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index 9b56490ecbc3..8f5572a9f8f1 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -80,9 +80,7 @@ static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend,
static const struct of_device_id ahci_of_match[] = {
{ .compatible = "generic-ahci", },
/* Keep the following compatibles for device tree compatibility */
- { .compatible = "snps,spear-ahci", },
{ .compatible = "ibm,476gtr-ahci", },
- { .compatible = "snps,dwc-ahci", },
{ .compatible = "hisilicon,hisi-ahci", },
{ .compatible = "cavium,octeon-7130-ahci", },
{ /* sentinel */ }
Is your board using one of these compatible string ?

Serge ?
Any idea ?

--
Damien Le Moal
Western Digital Research

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