From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755516Ab1LMR4h (ORCPT ); Tue, 13 Dec 2011 12:56:37 -0500 Received: from devils.ext.ti.com ([198.47.26.153]:37853 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754947Ab1LMR40 (ORCPT ); Tue, 13 Dec 2011 12:56:26 -0500 From: To: , CC: , Pavan Savoy Subject: [PATCH 3/3] drivers:misc: ti-st: DEBUG uart, baud rate mods Date: Tue, 13 Dec 2011 11:56:20 -0600 Message-ID: <1323798980-6597-4-git-send-email-pavan_savoy@ti.com> X-Mailer: git-send-email 1.5.6.3 In-Reply-To: <1323798980-6597-3-git-send-email-pavan_savoy@ti.com> References: <1323798980-6597-1-git-send-email-pavan_savoy@ti.com> <1323798980-6597-2-git-send-email-pavan_savoy@ti.com> <1323798980-6597-3-git-send-email-pavan_savoy@ti.com> MIME-Version: 1.0 Content-Type: text/plain 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 --- 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..55ab031 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) { @@ -598,11 +620,19 @@ static ssize_t show_flow_cntrl(struct device *dev, static struct kobj_attribute ldisc_install = __ATTR(install, 0444, (void *)show_install, NULL); +#ifdef DEBUG /* TODO: move this to debug-fs if possible */ +__ATTR(dev_name, 0644, (void *)show_dev_name, (void *)store_dev_name); +#else static struct kobj_attribute uart_dev_name = __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); -- 1.7.4.1