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Code Issues Releases Wiki Activity

s390/net: sort out physical vs virtual pointers usage 

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>
This commit is contained in:
Alexander Gordeev 2022-02-21 15:56:33 +01:00 committed by Jakub Kicinski
parent ab847d03a5
commit 1bb7e8dff8
2 changed files with 5 additions and 5 deletions
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8
drivers/s390/net/lcs.c
View File

@ -223,7 +223,7 @@ lcs_setup_read_ccws(struct lcs_card *card)
* 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 *card)
/* 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 *card)
* 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;

2
drivers/s390/net/qeth_core_main.c
View File

@ -426,7 +426,7 @@ static void qeth_setup_ccw(struct ccw1 *ccw, u8 cmd_code, u8 flags, u32 len,
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)