Looking at ST SPEAr1340 AHCI code (the only user of the deprecated
pdata->suspend and pdata->resume) it is obvious the we should return
after calling pdata->suspend() only if the function have returned
non-zero return value. The code has been broken since commit 1e70c2
("ata/ahci_platform: Add clock framework support"). Fix it.
Cc: Viresh Kumar <viresh.linux@xxxxxxxxx>
Cc: Shiraz Hashim <shiraz.hashim@xxxxxx>
Acked-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
---
v3:
- no changes
v2:
- updated patch description
drivers/ata/ahci_platform.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index 70fbf66..7bd6adf 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -521,12 +521,19 @@ int ahci_platform_suspend(struct device *dev)
if (rc)
return rc;
- if (pdata && pdata->suspend)
- return pdata->suspend(dev);
+ if (pdata && pdata->suspend) {
+ rc = pdata->suspend(dev);
+ if (rc)
+ goto resume_host;
+ }
ahci_platform_disable_resources(hpriv);
return 0;
+
+resume_host:
+ ahci_platform_resume_host(dev);
+ return rc;
}
EXPORT_SYMBOL_GPL(ahci_platform_suspend);
--
1.8.2.3
--
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