From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from emh01.mail.saunalahti.fi ([62.142.5.107]:43249 "EHLO emh01.mail.saunalahti.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753365Ab3IAIWY (ORCPT ); Sun, 1 Sep 2013 04:22:24 -0400 Subject: [PATCH v2 2/2] ath10k: add chip_id file to debugfs To: ath10k@lists.infradead.org From: Kalle Valo Cc: linux-wireless@vger.kernel.org Date: Sun, 01 Sep 2013 11:22:21 +0300 Message-ID: <20130901082221.1930.55810.stgit@localhost6.localdomain6> (sfid-20130901_102238_834866_4B548790) In-Reply-To: <20130901082007.1930.79088.stgit@localhost6.localdomain6> References: <20130901082007.1930.79088.stgit@localhost6.localdomain6> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Sender: linux-wireless-owner@vger.kernel.org List-ID: So that's it's possible to query chip id from ath10k anytime. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/debug.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index fcb40cc..09f535a 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -498,6 +498,25 @@ static const struct file_operations fops_simulate_fw_crash = { .llseek = default_llseek, }; +static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + unsigned int len; + char buf[50]; + + len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static const struct file_operations fops_chip_id = { + .read = ath10k_read_chip_id, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + int ath10k_debug_create(struct ath10k *ar) { ar->debug.debugfs_phy = debugfs_create_dir("ath10k", @@ -517,6 +536,9 @@ int ath10k_debug_create(struct ath10k *ar) debugfs_create_file("simulate_fw_crash", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_simulate_fw_crash); + debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy, + ar, &fops_chip_id); + return 0; } #endif /* CONFIG_ATH10K_DEBUGFS */