From 679875d1d8802669590ef4d69b0e7d13207ebd61 Mon Sep 17 00:00:00 2001 From: Lech Perczak Date: Mon, 21 Feb 2022 11:56:15 +0100 Subject: [PATCH] sc16is7xx: Separate GPIOs from modem control lines MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Export only the GPIOs that are not shared with hardware modem control lines. Introduce new device parameter indicating whether modem control lines are available. Signed-off-by: Lech Perczak Signed-off-by: Tomasz Moń Link: https://lore.kernel.org/r/20220221105618.3503470-4-tomasz.mon@camlingroup.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/sc16is7xx.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index a2873ac..b7a2db9 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -306,6 +306,7 @@ struct sc16is7xx_devtype { char name[10]; int nr_gpio; int nr_uart; + int has_mctrl; }; #define SC16IS7XX_RECONF_MD (1 << 0) @@ -440,30 +441,35 @@ static const struct sc16is7xx_devtype sc16is74x_devtype = { .name = "SC16IS74X", .nr_gpio = 0, .nr_uart = 1, + .has_mctrl = 0, }; static const struct sc16is7xx_devtype sc16is750_devtype = { .name = "SC16IS750", - .nr_gpio = 8, + .nr_gpio = 4, .nr_uart = 1, + .has_mctrl = 1, }; static const struct sc16is7xx_devtype sc16is752_devtype = { .name = "SC16IS752", - .nr_gpio = 8, + .nr_gpio = 0, .nr_uart = 2, + .has_mctrl = 1, }; static const struct sc16is7xx_devtype sc16is760_devtype = { .name = "SC16IS760", - .nr_gpio = 8, + .nr_gpio = 4, .nr_uart = 1, + .has_mctrl = 1, }; static const struct sc16is7xx_devtype sc16is762_devtype = { .name = "SC16IS762", - .nr_gpio = 8, + .nr_gpio = 0, .nr_uart = 2, + .has_mctrl = 1, }; static bool sc16is7xx_regmap_volatile(struct device *dev, unsigned int reg) -- 2.7.4