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authorMark Brown <broonie@kernel.org>2024-10-22 23:18:45 +0100
committerMark Brown <broonie@kernel.org>2024-10-22 23:18:45 +0100
commit5ddc236d094d496bcd1e78aaa88bdde530073b6f (patch)
tree2435f76086b7bbf9739c05411baa2f1520cd9618 /drivers/ata
parent0d214f27c0e3d9694284c95bac1502c2d247355b (diff)
parent602ff58ae4fe4289b0ca71cba9fb82f7de92cd64 (diff)
downloadlwn-5ddc236d094d496bcd1e78aaa88bdde530073b6f.tar.gz
lwn-5ddc236d094d496bcd1e78aaa88bdde530073b6f.zip
regulator: init_data handling update
Merge series from Jerome Brunet <jbrunet@baylibre.com>: This patchset groups the regulator patches around the init_data topic discussed on pmbus write protect patchset [1] [1]: https://lore.kernel.org/r/20240920-pmbus-wp-v1-0-d679ef31c483@baylibre.com
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/libata-eh.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 3f0144e7dc80..fa41ea57a978 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -4099,10 +4099,20 @@ static void ata_eh_handle_port_suspend(struct ata_port *ap)
WARN_ON(ap->pflags & ATA_PFLAG_SUSPENDED);
- /* Set all devices attached to the port in standby mode */
- ata_for_each_link(link, ap, HOST_FIRST) {
- ata_for_each_dev(dev, link, ENABLED)
- ata_dev_power_set_standby(dev);
+ /*
+ * We will reach this point for all of the PM events:
+ * PM_EVENT_SUSPEND (if runtime pm, PM_EVENT_AUTO will also be set)
+ * PM_EVENT_FREEZE, and PM_EVENT_HIBERNATE.
+ *
+ * We do not want to perform disk spin down for PM_EVENT_FREEZE.
+ * (Spin down will be performed by the subsequent PM_EVENT_HIBERNATE.)
+ */
+ if (!(ap->pm_mesg.event & PM_EVENT_FREEZE)) {
+ /* Set all devices attached to the port in standby mode */
+ ata_for_each_link(link, ap, HOST_FIRST) {
+ ata_for_each_dev(dev, link, ENABLED)
+ ata_dev_power_set_standby(dev);
+ }
}
/*