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From: Damien Le Moal <dlemoal@kernel.org>
To: linux-ide@vger.kernel.org
Subject: [PATCH] ata: libata-core: Fix ata_pci_shutdown_one()
Date: Mon,  6 Nov 2023 13:16:58 +0900	[thread overview]
Message-ID: <20231106041658.85522-1-dlemoal@kernel.org> (raw)

Commit 5b6fba546da2 ("ata: libata-core: Detach a port devices on
shutdown") modified the function ata_pci_shutdown_one() to stop
(suspend) devices attached to the ports of a PCI AHCI adapter to ensure
that drives are spun down before shutting down a system. However, this
is done only for PCI adapters and not for other types of adapters. This
limitation was addressed with commit 24eca2dce0f8 ("scsi: sd: Introduce
manage_shutdown device flag"). With this, all ATA disks are spun down on
system shutdown.

This reverts commit 5b6fba546da2 as the change introduced is now
useless.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
---
 drivers/ata/libata-core.c | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 6fb4e8dc8c3c..09ed67772fae 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -6180,24 +6180,10 @@ EXPORT_SYMBOL_GPL(ata_pci_remove_one);
 void ata_pci_shutdown_one(struct pci_dev *pdev)
 {
 	struct ata_host *host = pci_get_drvdata(pdev);
-	struct ata_port *ap;
-	unsigned long flags;
 	int i;
 
-	/* Tell EH to disable all devices */
-	for (i = 0; i < host->n_ports; i++) {
-		ap = host->ports[i];
-		spin_lock_irqsave(ap->lock, flags);
-		ap->pflags |= ATA_PFLAG_UNLOADING;
-		ata_port_schedule_eh(ap);
-		spin_unlock_irqrestore(ap->lock, flags);
-	}
-
 	for (i = 0; i < host->n_ports; i++) {
-		ap = host->ports[i];
-
-		/* Wait for EH to complete before freezing the port */
-		ata_port_wait_eh(ap);
+		struct ata_port *ap = host->ports[i];
 
 		ap->pflags |= ATA_PFLAG_FROZEN;
 
-- 
2.41.0


             reply	other threads:[~2023-11-06  4:17 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-06  4:16 Damien Le Moal [this message]
2023-11-06  8:47 ` [PATCH] ata: libata-core: Fix ata_pci_shutdown_one() Sergey Shtylyov
2023-11-06  9:02   ` Damien Le Moal
2023-11-07 10:06     ` Niklas Cassel
2023-11-08  1:11       ` Damien Le Moal

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