| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1244635716-23315-4-git-send-email-os@emlix.com> Date: Wed, 10 Jun 2009 14:08:30 +0200 From: "Oskar Schirmer" <os@...ix.com> To: Sascha Hauer <kernel@...gutronix.de> Cc: linux-kernel@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, Alan Cox <alan@...rguk.ukuu.org.uk>, Oskar Schirmer <os@...ix.com>, Fabian Godehardt <fg@...ix.com> Subject: [PATCH 3/9 -v2] imx: serial: notify higher layers in case xmit IRQ was not called From: Fabian Godehardt <fg@...ix.com> upper layers, namely line discipline, need to be notified when transmission of more data is possible. For spurious cases, where IRQ handling does not supply notification for sure, it is given additionally here, when data has just been transmitted and space in the buffer will most probably be available. Signed-off-by: Fabian Godehardt <fg@...ix.com> Signed-off-by: Oskar Schirmer <os@...ix.com> --- drivers/serial/imx.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c index 5ee325f..afcec9e 100644 --- a/drivers/serial/imx.c +++ b/drivers/serial/imx.c @@ -308,6 +308,9 @@ static inline void imx_transmit_buffer(struct imx_port *sport) break; } + if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) + uart_write_wakeup(&sport->port); + if (uart_circ_empty(xmit)) imx_stop_tx(&sport->port); } -- 1.5.3.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists