From patchwork Tue Dec 5 01:50:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Xu, Even" X-Patchwork-Id: 13479294 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6AA021C2D for ; Tue, 5 Dec 2023 01:51:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="auDJoZ+B" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701741074; x=1733277074; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=jGLZARlbsv2XRBrw5ou1w2Rt32iIgd2CzYo/8wCzUZs=; b=auDJoZ+B27gIHsaartZM5OXrTKGRNFi1p5KOa0wGRtoHDXYklIGCAv0z IUqZPCUppIW2BskBwnoZx1eLlLul4BDzMknJQjw3rLD4tPVQSDM00u40m XX6c7Dk3YJzbPDarRaDlysSp3qQlfUkJIkQIhg3WxeTPrlLHr3R1YHAGZ KuZcvL9w5QPadgGyks7kJQWBKrHMlHIcplvl8rUrwJmKFgddGiVid214h V0O6ZcZXJEFBA2nOArHJlWFYuqalxkZVLwQ9GkpTf1Z4T6CGG3ZAR6pqa y2hqM5KG6pmPHc5K/QTQawIPSA3EXrrvQOmnSHx+ZyXjPb4qykP6U7wSw Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10914"; a="12538562" X-IronPort-AV: E=Sophos;i="6.04,251,1695711600"; d="scan'208";a="12538562" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Dec 2023 17:51:14 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10914"; a="747041587" X-IronPort-AV: E=Sophos;i="6.04,251,1695711600"; d="scan'208";a="747041587" Received: from shsensorbuild2.sh.intel.com ([10.239.134.197]) by orsmga006.jf.intel.com with ESMTP; 04 Dec 2023 17:51:12 -0800 From: Even Xu To: jikos@kernel.org, srinivas.pandruvada@linux.intel.com, bleung@chromium.org, tzungbi@kernel.org, groeck@chromium.org, linux-input@vger.kernel.org, chrome-platform@lists.linux.dev Cc: Even Xu Subject: [PATCH 3/4] HID: intel-ish-hid: ishtp-fw-loader: use helper functions for connection Date: Tue, 5 Dec 2023 09:50:32 +0800 Message-Id: <1701741033-26222-4-git-send-email-even.xu@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1701741033-26222-1-git-send-email-even.xu@intel.com> References: <1701741033-26222-1-git-send-email-even.xu@intel.com> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Use helper functions ishtp_cl_establish_connection() and ishtp_cl_destroy_connection() to establish and destroy connection respectively. These functions are used during initialization, reset and deinitialization flows. No functional changes are expected. Signed-off-by: Even Xu Acked-by: Srinivas Pandruvada --- drivers/hid/intel-ish-hid/ishtp-fw-loader.c | 60 ++++++----------------------- 1 file changed, 12 insertions(+), 48 deletions(-) diff --git a/drivers/hid/intel-ish-hid/ishtp-fw-loader.c b/drivers/hid/intel-ish-hid/ishtp-fw-loader.c index 16aa030..e157863 100644 --- a/drivers/hid/intel-ish-hid/ishtp-fw-loader.c +++ b/drivers/hid/intel-ish-hid/ishtp-fw-loader.c @@ -840,43 +840,22 @@ static void load_fw_from_host_handler(struct work_struct *work) * * Return: 0 for success, negative error code for failure */ -static int loader_init(struct ishtp_cl *loader_ishtp_cl, int reset) +static int loader_init(struct ishtp_cl *loader_ishtp_cl, bool reset) { int rv; - struct ishtp_fw_client *fw_client; struct ishtp_cl_data *client_data = ishtp_get_client_data(loader_ishtp_cl); dev_dbg(cl_data_to_dev(client_data), "reset flag: %d\n", reset); - rv = ishtp_cl_link(loader_ishtp_cl); - if (rv < 0) { - dev_err(cl_data_to_dev(client_data), "ishtp_cl_link failed\n"); - return rv; - } - - /* Connect to firmware client */ - ishtp_set_tx_ring_size(loader_ishtp_cl, LOADER_CL_TX_RING_SIZE); - ishtp_set_rx_ring_size(loader_ishtp_cl, LOADER_CL_RX_RING_SIZE); - - fw_client = - ishtp_fw_cl_get_client(ishtp_get_ishtp_device(loader_ishtp_cl), - &loader_ishtp_id_table[0].guid); - if (!fw_client) { - dev_err(cl_data_to_dev(client_data), - "ISH client uuid not found\n"); - rv = -ENOENT; - goto err_cl_unlink; - } - - ishtp_cl_set_fw_client_id(loader_ishtp_cl, - ishtp_get_fw_client_id(fw_client)); - ishtp_set_connection_state(loader_ishtp_cl, ISHTP_CL_CONNECTING); - - rv = ishtp_cl_connect(loader_ishtp_cl); + rv = ishtp_cl_establish_connection(loader_ishtp_cl, + &loader_ishtp_id_table[0].guid, + LOADER_CL_TX_RING_SIZE, + LOADER_CL_RX_RING_SIZE, + reset); if (rv < 0) { dev_err(cl_data_to_dev(client_data), "Client connect fail\n"); - goto err_cl_unlink; + goto err_cl_disconnect; } dev_dbg(cl_data_to_dev(client_data), "Client connected\n"); @@ -885,17 +864,14 @@ static int loader_init(struct ishtp_cl *loader_ishtp_cl, int reset) return 0; -err_cl_unlink: - ishtp_cl_unlink(loader_ishtp_cl); +err_cl_disconnect: + ishtp_cl_destroy_connection(loader_ishtp_cl, reset); return rv; } static void loader_deinit(struct ishtp_cl *loader_ishtp_cl) { - ishtp_set_connection_state(loader_ishtp_cl, ISHTP_CL_DISCONNECTING); - ishtp_cl_disconnect(loader_ishtp_cl); - ishtp_cl_unlink(loader_ishtp_cl); - ishtp_cl_flush_queues(loader_ishtp_cl); + ishtp_cl_destroy_connection(loader_ishtp_cl, false); /* Disband and free all Tx and Rx client-level rings */ ishtp_cl_free(loader_ishtp_cl); @@ -914,19 +890,7 @@ static void reset_handler(struct work_struct *work) loader_ishtp_cl = client_data->loader_ishtp_cl; cl_device = client_data->cl_device; - /* Unlink, flush queues & start again */ - ishtp_cl_unlink(loader_ishtp_cl); - ishtp_cl_flush_queues(loader_ishtp_cl); - ishtp_cl_free(loader_ishtp_cl); - - loader_ishtp_cl = ishtp_cl_allocate(cl_device); - if (!loader_ishtp_cl) - return; - - ishtp_set_drvdata(cl_device, loader_ishtp_cl); - ishtp_set_client_data(loader_ishtp_cl, client_data); - client_data->loader_ishtp_cl = loader_ishtp_cl; - client_data->cl_device = cl_device; + ishtp_cl_destroy_connection(loader_ishtp_cl, true); rv = loader_init(loader_ishtp_cl, 1); if (rv < 0) { @@ -974,7 +938,7 @@ static int loader_ishtp_cl_probe(struct ishtp_cl_device *cl_device) INIT_WORK(&client_data->work_fw_load, load_fw_from_host_handler); - rv = loader_init(loader_ishtp_cl, 0); + rv = loader_init(loader_ishtp_cl, false); if (rv < 0) { ishtp_cl_free(loader_ishtp_cl); return rv;