From: Samuel Morris <samorris@lexmark.com>
Date: Tue, 29 May 2018 10:06:11 +0000 (+0000)
Subject: ata: ahci: rpm_put port on port_stop to match rpm_get in port_start
X-Git-Tag: v4.19-rc1~18^2~21
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=332c42a9ff7f75a4d9dd263a6e5da32b45de12ec;p=thirdparty%2Flinux.git

ata: ahci: rpm_put port on port_stop to match rpm_get in port_start

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>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 965842a08743f..5038cee7d9826 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)