From: Alexander Gordeev <agordeev@linux.ibm.com>
Date: Mon, 21 Feb 2022 15:56:33 +0100
Subject: s390/net: sort out physical vs virtual pointers usage
Git-commit: 1bb7e8dff89690e2da98608da04b0c75085c2576
Patch-mainline: v5.18-rc1
References: jsc#PED-594 LTC#198619

Fix virtual vs physical address confusion (which currently are the same).

Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Reviewed-by: Wenjia Zhang <wenjia@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/s390/net/lcs.c            |    8 ++++----
 drivers/s390/net/qeth_core_main.c |    2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -223,7 +223,7 @@ lcs_setup_read_ccws(struct lcs_card *car
 		 * we do not need to do set_normalized_cda.
 		 */
 		card->read.ccws[cnt].cda =
-			(__u32) __pa(card->read.iob[cnt].data);
+			(__u32)virt_to_phys(card->read.iob[cnt].data);
 		((struct lcs_header *)
 		 card->read.iob[cnt].data)->offset = LCS_ILLEGAL_OFFSET;
 		card->read.iob[cnt].callback = lcs_get_frames_cb;
@@ -236,7 +236,7 @@ lcs_setup_read_ccws(struct lcs_card *car
 	/* Last ccw is a tic (transfer in channel). */
 	card->read.ccws[LCS_NUM_BUFFS].cmd_code = LCS_CCW_TRANSFER;
 	card->read.ccws[LCS_NUM_BUFFS].cda =
-		(__u32) __pa(card->read.ccws);
+		(__u32)virt_to_phys(card->read.ccws);
 	/* Setg initial state of the read channel. */
 	card->read.state = LCS_CH_STATE_INIT;
 
@@ -278,12 +278,12 @@ lcs_setup_write_ccws(struct lcs_card *ca
 		 * we do not need to do set_normalized_cda.
 		 */
 		card->write.ccws[cnt].cda =
-			(__u32) __pa(card->write.iob[cnt].data);
+			(__u32)virt_to_phys(card->write.iob[cnt].data);
 	}
 	/* Last ccw is a tic (transfer in channel). */
 	card->write.ccws[LCS_NUM_BUFFS].cmd_code = LCS_CCW_TRANSFER;
 	card->write.ccws[LCS_NUM_BUFFS].cda =
-		(__u32) __pa(card->write.ccws);
+		(__u32)virt_to_phys(card->write.ccws);
 	/* Set initial state of the write channel. */
 	card->read.state = LCS_CH_STATE_INIT;
 
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -424,7 +424,7 @@ static void qeth_setup_ccw(struct ccw1 *
 	ccw->cmd_code = cmd_code;
 	ccw->flags = flags | CCW_FLAG_SLI;
 	ccw->count = len;
-	ccw->cda = (__u32) __pa(data);
+	ccw->cda = (__u32)virt_to_phys(data);
 }
 
 static int __qeth_issue_next_read(struct qeth_card *card)