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[v3,1/2] ata: ahci: rpm_put port on port_stop to match rpm_get in port_start

Message ID 20180529100612.3512-1-0v3rdr0n3@gmail.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

0v3rdr0n3@gmail.com May 29, 2018, 10:06 a.m. UTC 
From: Samuel Morris <samorris@lexmark.com>

This change balances out the final ahci_port_resume in port_start to
ensure reference counts are correct after port stop.

Signed-off-by: Samuel Morris <samorris@lexmark.com>
---
 drivers/ata/libahci.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index e5d90977caec..ffc797994923 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -2436,6 +2436,8 @@  static void ahci_port_stop(struct ata_port *ap)
 	 * re-enabling INTx.
 	 */
 	writel(1 << ap->port_no, host_mmio + HOST_IRQ_STAT);
+
+	ahci_rpm_put_port(ap);
 }
 
 void ahci_print_info(struct ata_host *host, const char *scc_s)