From 4bc4e965d3e86897e4c7c487a477ccdf13db5b82 Mon Sep 17 00:00:00 2001 From: Sebastian Ott Date: Wed, 5 Jan 2011 12:47:58 +0100 Subject: [PATCH] [S390] css: update subchannel descriptor Update the subchannel descriptor if we receive a "Installed parameters modified" crw. Signed-off-by: Sebastian Ott Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/css.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 825951b6b83f..24d8e97355b9 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -618,6 +618,7 @@ EXPORT_SYMBOL_GPL(css_schedule_reprobe); static void css_process_crw(struct crw *crw0, struct crw *crw1, int overflow) { struct subchannel_id mchk_schid; + struct subchannel *sch; if (overflow) { css_schedule_eval_all(); @@ -637,6 +638,13 @@ static void css_process_crw(struct crw *crw0, struct crw *crw1, int overflow) if (crw1) mchk_schid.ssid = (crw1->rsid >> 4) & 3; + if (crw0->erc == CRW_ERC_PMOD) { + sch = get_subchannel_by_schid(mchk_schid); + if (sch) { + css_update_ssd_info(sch); + put_device(&sch->dev); + } + } /* * Since we are always presented with IPI in the CRW, we have to * use stsch() to find out if the subchannel in question has come -- GitLab