From: Len Sorensen Date: Tue, 8 May 2007 07:26:33 +0000 (-0700) Subject: Subject: jsm driver fix for linuxpps support X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e97cb3e28ce2fdd3b06a65f67d00462d86929008;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git Subject: jsm driver fix for linuxpps support The jsm driver doesn't currently use the uart_handle_*_change helper functions, which are the obvious place for things like linuxpps to tie into (which it now does of course), and as a result the jsm driver can not be used with linuxpps and anything else that ties into the serial_core helper functions. This patch adds calls to these helper functions whenever the value they manage changes. That actual storage of the state is not modified since the jsm driver caches the current settings (The 8250 driver reads them everytime a user asks for the state), and only updates them whenever they change. Signed-off-by: Len Sorensen Cc: Scott H Kilau Cc: Wendy Xiong Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/serial/jsm/jsm_neo.c b/drivers/serial/jsm/jsm_neo.c index 8be8da37f629..b2d6f5b1a7c2 100644 --- a/drivers/serial/jsm/jsm_neo.c +++ b/drivers/serial/jsm/jsm_neo.c @@ -581,8 +581,13 @@ static void neo_parse_modem(struct jsm_channel *ch, u8 signals) return; /* Scrub off lower bits. They signify delta's, which I don't care about */ - msignals &= 0xf0; + /* Keep DDCD and DDSR though */ + msignals &= 0xf8; + if (msignals & UART_MSR_DDCD) + uart_handle_dcd_change(&ch->uart_port, msignals & UART_MSR_DCD); + if (msignals & UART_MSR_DDSR) + uart_handle_cts_change(&ch->uart_port, msignals & UART_MSR_CTS); if (msignals & UART_MSR_DCD) ch->ch_mistat |= UART_MSR_DCD; else