From: Miao Wang via B4 Relay <devnull+shankerwangmiao.gmail.com@kernel.org>
To: Binbin Zhou <zhoubinbin@loongson.cn>,
Chong Qiao <qiaochong@loongson.cn>, Lee Jones <lee@kernel.org>,
Huacai Chen <chenhuacai@kernel.org>,
Corey Minyard <corey@minyard.net>,
Linus Walleij <linusw@kernel.org>,
Bartosz Golaszewski <brgl@kernel.org>
Cc: Xi Ruoyao <xry111@xry111.site>, WANG Xuerui <kernel@xen0n.name>,
Yinbo Zhu <zhuyinbo@loongson.cn>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
mfd@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-gpio@vger.kernel.org,
Miao Wang <shankerwangmiao@gmail.com>
Subject: [PATCH RFC 3/5] mfd: ls2kbmc: redraw using exported functions
Date: Wed, 08 Jul 2026 03:24:04 +0800 [thread overview]
Message-ID: <20260708-ls2kbmc-mod-v1-3-c344bf5defa3@gmail.com> (raw)
In-Reply-To: <20260708-ls2kbmc-mod-v1-0-c344bf5defa3@gmail.com>
From: Miao Wang <shankerwangmiao@gmail.com>
Use update_screen, i.e. redraw_screen() to trigger the redraw of the
current vt.
Fixes: d952bba3fbb5 ("mfd: ls2kbmc: Add Loongson-2K BMC reset function support")
Signed-off-by: Miao Wang <shankerwangmiao@gmail.com>
---
drivers/mfd/ls2k-bmc-core.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/ls2k-bmc-core.c b/drivers/mfd/ls2k-bmc-core.c
index 39ce5e55ffd6d3a578008dd752b3e8dceec9bd81..4ceae6c70fb27ae2d6a2a92f4f45a376f1cdb699 100644
--- a/drivers/mfd/ls2k-bmc-core.c
+++ b/drivers/mfd/ls2k-bmc-core.c
@@ -25,6 +25,7 @@
#include <linux/platform_device.h>
#include <linux/stop_machine.h>
#include <linux/vt_kern.h>
+#include <linux/console.h>
/* LS2K BMC resources */
#define LS2K_DISPLAY_RES_START (SZ_16M + SZ_2M)
@@ -310,7 +311,9 @@ static void ls2k_bmc_events_fn(struct work_struct *work)
if (IS_ENABLED(CONFIG_VT)) {
/* Re-push the display due to previous PCI-E loss. */
- set_console(vt_move_to_console(MAX_NR_CONSOLES - 1, 1));
+ console_lock();
+ update_screen(vc_cons[fg_console].d);
+ console_unlock();
}
}
--
2.49.0
next prev parent reply other threads:[~2026-07-07 19:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-07 19:24 [PATCH RFC 0/5] mfd: ls2kbmc: multiple fixes for this driver Miao Wang via B4 Relay
2026-07-07 19:24 ` [PATCH RFC 1/5] mfd: ls2kbmc: make a copy when parsing mode string Miao Wang via B4 Relay
2026-07-07 19:24 ` [PATCH RFC 2/5] mfd: ls2kbmc: sanity check for the connected pci port Miao Wang via B4 Relay
2026-07-07 19:24 ` Miao Wang via B4 Relay [this message]
2026-07-07 19:24 ` [PATCH RFC 4/5] mfd: ls2kbmc: able to compile as a module Miao Wang via B4 Relay
2026-07-07 19:24 ` [PATCH RFC 5/5] mfd: ls2kbmc: capture the reset event of BMC through GPIO Miao Wang via B4 Relay
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