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Re: [PATCH] Recognize DVD drive during boot
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From: |
Samuel Thibault |
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Subject: |
Re: [PATCH] Recognize DVD drive during boot |
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Date: |
Sun, 12 Sep 2021 20:03:54 +0200 |
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User-agent: |
NeoMutt/20170609 (1.8.3) |
Hello,
Thanks for the investigation!
Andrea Monaco, le dim. 12 sept. 2021 19:36:22 +0200, a ecrit:
> - if (ahci_identify(ahci_host, ahci_port, port, WIN_IDENTIFY) >= 2)
> - /* Try ATAPI */
> - ahci_identify(ahci_host, ahci_port, port, WIN_PIDENTIFY);
> + /* if PxCMD.ATAPI is set, try ATAPI identify first */
> + if (readl(&ahci_port->cmd) & PORT_CMD_ATAPI)
> + ahci_identify(ahci_host, ahci_port, port, WIN_PIDENTIFY);
> + else if (ahci_identify(ahci_host, ahci_port, port, WIN_IDENTIFY) >= 2)
> + /* Try ATAPI anyway as last resort */
> + ahci_identify(ahci_host, ahci_port, port, WIN_PIDENTIFY);
Perhaps ather something like
> + if (readl(&ahci_port->cmd) & PORT_CMD_ATAPI ||
> + ahci_identify(ahci_host, ahci_port, port, WIN_IDENTIFY) >= 2)
> + ahci_identify(ahci_host, ahci_port, port, WIN_PIDENTIFY);
?
Samuel