From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933152Ab2AITZ3 (ORCPT ); Mon, 9 Jan 2012 14:25:29 -0500 Received: from cantor2.suse.de ([195.135.220.15]:48990 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933053Ab2AITZ1 (ORCPT ); Mon, 9 Jan 2012 14:25:27 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Pavan Savoy , Greg Kroah-Hartman Subject: [PATCH 6/8] drivers:misc: ti-st: DEBUG uart, baud rate mods Date: Mon, 9 Jan 2012 11:25:03 -0800 Message-Id: <1326137105-9960-6-git-send-email-gregkh@suse.de> X-Mailer: git-send-email 1.7.8 In-Reply-To: <1326137105-9960-1-git-send-email-gregkh@suse.de> References: <20120109190736.GA9440@kroah.com> <1326137105-9960-1-git-send-email-gregkh@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Pavan Savoy To debug different UARTs at different baud-rates connected to the WiLink connectivity combo-chipset, this patch enables the debugging code so that upon boot different UARTs at different baud-rates can be tried out to verify the interface with WiLink. Signed-off-by: Pavan Savoy Signed-off-by: Greg Kroah-Hartman --- drivers/misc/ti-st/st_kim.c | 30 ++++++++++++++++++++++++++++++ 1 files changed, 30 insertions(+), 0 deletions(-) diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c index bc8a571..a7a861c 100644 --- a/drivers/misc/ti-st/st_kim.c +++ b/drivers/misc/ti-st/st_kim.c @@ -573,6 +573,28 @@ static ssize_t show_install(struct device *dev, return sprintf(buf, "%d\n", kim_data->ldisc_install); } +#ifdef DEBUG +static ssize_t store_dev_name(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct kim_data_s *kim_data = dev_get_drvdata(dev); + pr_debug("storing dev name >%s<", buf); + strncpy(kim_data->dev_name, buf, count); + pr_debug("stored dev name >%s<", kim_data->dev_name); + return count; +} + +static ssize_t store_baud_rate(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct kim_data_s *kim_data = dev_get_drvdata(dev); + pr_debug("storing baud rate >%s<", buf); + sscanf(buf, "%ld", &kim_data->baud_rate); + pr_debug("stored baud rate >%ld<", kim_data->baud_rate); + return count; +} +#endif /* if DEBUG */ + static ssize_t show_dev_name(struct device *dev, struct device_attribute *attr, char *buf) { @@ -599,10 +621,18 @@ static struct kobj_attribute ldisc_install = __ATTR(install, 0444, (void *)show_install, NULL); static struct kobj_attribute uart_dev_name = +#ifdef DEBUG /* TODO: move this to debug-fs if possible */ +__ATTR(dev_name, 0644, (void *)show_dev_name, (void *)store_dev_name); +#else __ATTR(dev_name, 0444, (void *)show_dev_name, NULL); +#endif static struct kobj_attribute uart_baud_rate = +#ifdef DEBUG /* TODO: move to debugfs */ +__ATTR(baud_rate, 0644, (void *)show_baud_rate, (void *)store_baud_rate); +#else __ATTR(baud_rate, 0444, (void *)show_baud_rate, NULL); +#endif static struct kobj_attribute uart_flow_cntrl = __ATTR(flow_cntrl, 0444, (void *)show_flow_cntrl, NULL); -- 1.7.8